diff --git a/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.scss b/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.scss
index d713efc1a80..952780f05e2 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.scss
+++ b/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.scss
@@ -1,13 +1,17 @@
 @import "../../stylesheets/_variables.scss";
 
 .woocommerce-marketplace__category-selector {
+	position: relative;
 	display: flex;
 	align-items: stretch;
-	margin: $grid-unit-20 0 0 0;
+	margin: 0;
+	overflow-x: auto;
 }
 
 .woocommerce-marketplace__category-item {
 	cursor: pointer;
+	white-space: nowrap;
+	margin-bottom: 0;
 
 	.components-dropdown {
 		height: 100%;
@@ -50,7 +54,6 @@
 
 .woocommerce-marketplace__category-selector--full-width {
 	display: none;
-	margin-top: $grid-unit-15;
 }
 
 @media screen and (max-width: $break-medium) {
@@ -122,3 +125,22 @@
 		background-color: $gray-900;
 	}
 }
+
+.woocommerce-marketplace__category-navigation-button {
+	border: none;
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	height: 100%;
+	width: 50px;
+}
+
+.woocommerce-marketplace__category-navigation-button--prev {
+	background: linear-gradient(to right, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
+	left: 0;
+}
+
+.woocommerce-marketplace__category-navigation-button--next {
+	background: linear-gradient(to left, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
+	right: 0;
+}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.tsx b/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.tsx
index 07b298cde66..9625aef5862 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/category-selector/category-selector.tsx
@@ -1,20 +1,21 @@
 /**
  * External dependencies
  */
-import { useState, useEffect } from '@wordpress/element';
-import { __ } from '@wordpress/i18n';
+import { useState, useEffect, useRef } from '@wordpress/element';
 import { useQuery } from '@woocommerce/navigation';
-import clsx from 'clsx';
+import { Icon } from '@wordpress/components';
+import { useDebounce } from '@wordpress/compose';
+import { __ } from '@wordpress/i18n';
 
 /**
  * Internal dependencies
  */
 import CategoryLink from './category-link';
-import CategoryDropdown from './category-dropdown';
 import { Category, CategoryAPIItem } from './types';
 import { fetchCategories } from '../../utils/functions';
-import './category-selector.scss';
 import { ProductType } from '../product-list/types';
+import CategoryDropdown from './category-dropdown';
+import './category-selector.scss';
 
 const ALL_CATEGORIES_SLUGS = {
 	[ ProductType.extension ]: '_all',
@@ -29,32 +30,21 @@ interface CategorySelectorProps {
 export default function CategorySelector(
 	props: CategorySelectorProps
 ): JSX.Element {
-	const [ visibleItems, setVisibleItems ] = useState< Category[] >( [] );
-	const [ dropdownItems, setDropdownItems ] = useState< Category[] >( [] );
 	const [ selected, setSelected ] = useState< Category >();
 	const [ isLoading, setIsLoading ] = useState( false );
+	const [ categoriesToShow, setCategoriesToShow ] = useState< Category[] >(
+		[]
+	);
+	const [ isOverflowing, setIsOverflowing ] = useState( false );
+	const [ scrollPosition, setScrollPosition ] = useState<
+		'start' | 'middle' | 'end'
+	>( 'start' );
+
+	const categorySelectorRef = useRef< HTMLUListElement >( null );
+	const selectedCategoryRef = useRef< HTMLLIElement >( null );
 
 	const query = useQuery();
 
-	useEffect( () => {
-		// If no category is selected, show All as selected
-		let categoryToSearch = ALL_CATEGORIES_SLUGS[ props.type ];
-
-		if ( query.category ) {
-			categoryToSearch = query.category;
-		}
-
-		const allCategories = visibleItems.concat( dropdownItems );
-
-		const selectedCategory = allCategories.find(
-			( category ) => category.slug === categoryToSearch
-		);
-
-		if ( selectedCategory ) {
-			setSelected( selectedCategory );
-		}
-	}, [ query.category, props.type, visibleItems, dropdownItems ] );
-
 	useEffect( () => {
 		setIsLoading( true );
 
@@ -72,21 +62,125 @@ export default function CategorySelector(
 						return category.slug !== '_featured';
 					} );
 
-				// Split array into two from 7th item
-				const visibleCategoryItems = categories.slice( 0, 7 );
-				const dropdownCategoryItems = categories.slice( 7 );
-
-				setVisibleItems( visibleCategoryItems );
-				setDropdownItems( dropdownCategoryItems );
+				setCategoriesToShow( categories );
 			} )
 			.catch( () => {
-				setVisibleItems( [] );
-				setDropdownItems( [] );
+				setCategoriesToShow( [] );
 			} )
 			.finally( () => {
 				setIsLoading( false );
 			} );
-	}, [ props.type ] );
+	}, [ props.type, setCategoriesToShow ] );
+
+	useEffect( () => {
+		// If no category is selected, show All as selected
+		let categoryToSearch = ALL_CATEGORIES_SLUGS[ props.type ];
+
+		if ( query.category ) {
+			categoryToSearch = query.category;
+		}
+
+		const selectedCategory = categoriesToShow.find(
+			( category ) => category.slug === categoryToSearch
+		);
+
+		if ( selectedCategory ) {
+			setSelected( selectedCategory );
+		}
+	}, [ query.category, props.type, categoriesToShow ] );
+
+	useEffect( () => {
+		if ( selectedCategoryRef.current ) {
+			selectedCategoryRef.current.scrollIntoView( {
+				block: 'nearest',
+				inline: 'center',
+			} );
+		}
+	}, [ selected ] );
+
+	function checkOverflow() {
+		if (
+			categorySelectorRef.current &&
+			categorySelectorRef.current.parentElement?.scrollWidth
+		) {
+			const isContentOverflowing =
+				categorySelectorRef.current.scrollWidth >
+				categorySelectorRef.current.parentElement.scrollWidth;
+
+			setIsOverflowing( isContentOverflowing );
+		}
+	}
+
+	function checkScrollPosition() {
+		const ulElement = categorySelectorRef.current;
+
+		if ( ! ulElement ) {
+			return;
+		}
+
+		const { scrollLeft, scrollWidth, clientWidth } = ulElement;
+
+		if ( scrollLeft < 10 ) {
+			setScrollPosition( 'start' );
+
+			return;
+		}
+
+		if ( scrollLeft + clientWidth < scrollWidth ) {
+			setScrollPosition( 'middle' );
+
+			return;
+		}
+
+		if ( scrollLeft + clientWidth === scrollWidth ) {
+			setScrollPosition( 'end' );
+		}
+	}
+
+	const debouncedCheckOverflow = useDebounce( checkOverflow, 300 );
+	const debouncedScrollPosition = useDebounce( checkScrollPosition, 100 );
+
+	function scrollCategories( scrollAmount: number ) {
+		if ( categorySelectorRef.current ) {
+			categorySelectorRef.current.scrollTo( {
+				left: categorySelectorRef.current.scrollLeft + scrollAmount,
+				behavior: 'smooth',
+			} );
+		}
+	}
+
+	function scrollToNextCategories() {
+		scrollCategories( 200 );
+	}
+
+	function scrollToPrevCategories() {
+		scrollCategories( -200 );
+	}
+
+	useEffect( () => {
+		window.addEventListener( 'resize', debouncedCheckOverflow );
+
+		const ulElement = categorySelectorRef.current;
+
+		if ( ulElement ) {
+			ulElement.addEventListener( 'scroll', debouncedScrollPosition );
+		}
+
+		return () => {
+			window.removeEventListener( 'resize', debouncedCheckOverflow );
+
+			if ( ulElement ) {
+				ulElement.removeEventListener(
+					'scroll',
+					debouncedScrollPosition
+				);
+			}
+		};
+	}, [ debouncedCheckOverflow, debouncedScrollPosition ] );
+
+	useEffect( () => {
+		checkOverflow();
+	}, [ categoriesToShow ] );
 
 	function mobileCategoryDropdownLabel() {
 		const allCategoriesText = __( 'All Categories', 'woocommerce' );
@@ -102,16 +196,6 @@ export default function CategorySelector(
 		return selected.label;
 	}
 
-	function isSelectedInDropdown() {
-		if ( ! selected ) {
-			return false;
-		}
-
-		return dropdownItems.find(
-			( category ) => category.slug === selected.slug
-		);
-	}
-
 	if ( isLoading ) {
 		return (
 			<>
@@ -131,50 +215,62 @@ export default function CategorySelector(
 
 	return (
 		<>
-			<ul className="woocommerce-marketplace__category-selector">
-				{ visibleItems.map( ( category ) => (
+			<ul
+				className="woocommerce-marketplace__category-selector"
+				aria-label="Categories"
+				ref={ categorySelectorRef }
+			>
+				{ categoriesToShow.map( ( category ) => (
 					<li
 						className="woocommerce-marketplace__category-item"
 						key={ category.slug }
+						ref={
+							category.slug === selected?.slug
+								? selectedCategoryRef
+								: null
+						}
 					>
 						<CategoryLink
 							{ ...category }
 							selected={ category.slug === selected?.slug }
+							aria-current={ category.slug === selected?.slug }
 						/>
 					</li>
 				) ) }
-				<li className="woocommerce-marketplace__category-item">
-					{ dropdownItems.length > 0 && (
-						<CategoryDropdown
-							type={ props.type }
-							label={ __( 'More', 'woocommerce' ) }
-							categories={ dropdownItems }
-							buttonClassName={ clsx(
-								'woocommerce-marketplace__category-item-button',
-								{
-									'woocommerce-marketplace__category-item-button--selected':
-										isSelectedInDropdown(),
-								}
-							) }
-							contentClassName="woocommerce-marketplace__category-item-content"
-							arrowIconSize={ 20 }
-							selected={ selected }
-						/>
-					) }
-				</li>
 			</ul>
-
 			<div className="woocommerce-marketplace__category-selector--full-width">
 				<CategoryDropdown
 					type={ props.type }
 					label={ mobileCategoryDropdownLabel() }
-					categories={ visibleItems.concat( dropdownItems ) }
+					categories={ categoriesToShow }
 					buttonClassName="woocommerce-marketplace__category-dropdown-button"
 					className="woocommerce-marketplace__category-dropdown"
 					contentClassName="woocommerce-marketplace__category-dropdown-content"
 					selected={ selected }
 				/>
 			</div>
+			{ isOverflowing && (
+				<>
+					<button
+						onClick={ scrollToPrevCategories }
+						className="woocommerce-marketplace__category-navigation-button woocommerce-marketplace__category-navigation-button--prev"
+						hidden={ scrollPosition === 'start' }
+						aria-label="Scroll to previous categories"
+						tabIndex={ -1 }
+					>
+						<Icon icon="arrow-left-alt2" />
+					</button>
+					<button
+						onClick={ scrollToNextCategories }
+						className="woocommerce-marketplace__category-navigation-button woocommerce-marketplace__category-navigation-button--next"
+						hidden={ scrollPosition === 'end' }
+						aria-label="Scroll to next categories"
+						tabIndex={ -1 }
+					>
+						<Icon icon="arrow-right-alt2" />
+					</button>
+				</>
+			) }
 		</>
 	);
 }
diff --git a/plugins/woocommerce-admin/client/marketplace/components/constants.ts b/plugins/woocommerce-admin/client/marketplace/components/constants.ts
index de76eded4e2..d9b7febe49a 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/constants.ts
+++ b/plugins/woocommerce-admin/client/marketplace/components/constants.ts
@@ -10,7 +10,7 @@ export const MARKETPLACE_SEARCH_API_PATH =
 	'/wp-json/wccom-extensions/1.0/search';
 export const MARKETPLACE_CATEGORY_API_PATH =
 	'/wp-json/wccom-extensions/1.0/categories';
-export const MARKETPLACE_ITEMS_PER_PAGE = 60;
+export const MARKETPLACE_ITEMS_PER_PAGE = 60; // This should match the number of results returned by the API
 export const MARKETPLACE_SEARCH_RESULTS_PER_PAGE = 8;
 export const MARKETPLACE_CART_PATH = MARKETPLACE_HOST + '/cart/';
 export const MARKETPLACE_RENEW_SUBSCRIPTON_PATH =
diff --git a/plugins/woocommerce-admin/client/marketplace/components/content/content.tsx b/plugins/woocommerce-admin/client/marketplace/components/content/content.tsx
index 1a4679dc4c1..06f1a17825b 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/content/content.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/content/content.tsx
@@ -1,22 +1,29 @@
 /**
  * External dependencies
  */
-import { useContext, useEffect, useState } from '@wordpress/element';
+import {
+	useContext,
+	useEffect,
+	useState,
+	useCallback,
+} from '@wordpress/element';
 import { useQuery } from '@woocommerce/navigation';
+import { speak } from '@wordpress/a11y';
+import { __, sprintf } from '@wordpress/i18n';
 
 /**
  * Internal dependencies
  */
 import './content.scss';
-import { Product, ProductType, SearchResultType } from '../product-list/types';
+import { Product, ProductType } from '../product-list/types';
 import { getAdminSetting } from '~/utils/admin-settings';
 import Discover from '../discover/discover';
 import Products from '../products/products';
-import SearchResults from '../search-results/search-results';
 import MySubscriptions from '../my-subscriptions/my-subscriptions';
 import { MarketplaceContext } from '../../contexts/marketplace-context';
-import { fetchSearchResults } from '../../utils/functions';
+import { fetchSearchResults, getProductType } from '../../utils/functions';
 import { SubscriptionsContextProvider } from '../../contexts/subscriptions-context';
+import { SearchResultsCountType } from '../../contexts/types';
 import {
 	recordMarketplaceView,
 	recordLegacyTabView,
@@ -26,149 +33,350 @@ import Promotions from '../promotions/promotions';
 import ConnectNotice from '~/marketplace/components/connect-notice/connect-notice';
 import PluginInstallNotice from '../woo-update-manager-plugin/plugin-install-notice';
 import SubscriptionsExpiredExpiringNotice from '~/marketplace/components/my-subscriptions/subscriptions-expired-expiring-notice';
+import LoadMoreButton from '../load-more-button/load-more-button';
 
 export default function Content(): JSX.Element {
 	const marketplaceContextValue = useContext( MarketplaceContext );
-	const [ products, setProducts ] = useState< Product[] >( [] );
-	const { setIsLoading, selectedTab, setHasBusinessServices } =
-		marketplaceContextValue;
+	const [ allProducts, setAllProducts ] = useState< Product[] >( [] );
+	const [ filteredProducts, setFilteredProducts ] = useState< Product[] >(
+		[]
+	);
+	const [ currentPage, setCurrentPage ] = useState( 1 );
+	const [ totalPagesCategory, setTotalPagesCategory ] = useState( 1 );
+	const [ totalPagesExtensions, setTotalPagesExtensions ] = useState( 1 );
+	const [ totalPagesThemes, setTotalPagesThemes ] = useState( 1 );
+	const [ totalPagesBusinessServices, setTotalPagesBusinessServices ] =
+		useState( 1 );
+	const [ firstNewProductId, setFirstNewProductId ] = useState< number >( 0 );
+	const [ isLoadingMore, setIsLoadingMore ] = useState( false );
+
+	const {
+		isLoading,
+		setIsLoading,
+		selectedTab,
+		setHasBusinessServices,
+		setSearchResultsCount,
+	} = marketplaceContextValue;
 	const query = useQuery();
 
-	// On initial load of the in-app marketplace, fetch extensions, themes and business services
-	// and check if there are any business services available on WCCOM
-	useEffect( () => {
-		const categories = [ '', 'themes', 'business-services' ];
-		const abortControllers = categories.map( () => new AbortController() );
+	const searchCompleteAnnouncement = ( count: number ): void => {
+		speak(
+			sprintf(
+				// translators: %d is the number of products found.
+				__( '%d products found', 'woocommerce' ),
+				count
+			)
+		);
+	};
 
-		categories.forEach( ( category: string, index ) => {
-			const params = new URLSearchParams();
-			if ( category !== '' ) {
-				params.append( 'category', category );
-			}
+	const tagProductsWithType = (
+		products: Product[],
+		type: ProductType
+	): Product[] => {
+		return products.map( ( product ) => ( {
+			...product,
+			type,
+		} ) );
+	};
 
-			const wccomSettings = getAdminSetting( 'wccomHelper', false );
-			if ( wccomSettings.storeCountry ) {
-				params.append( 'country', wccomSettings.storeCountry );
-			}
-
-			fetchSearchResults( params, abortControllers[ index ].signal ).then(
-				( productList ) => {
-					if ( category === 'business-services' ) {
-						setHasBusinessServices( productList.length > 0 );
-					}
-				}
-			);
-			return () => {
-				abortControllers.forEach( ( controller ) => {
-					controller.abort();
-				} );
-			};
-		} );
-		// eslint-disable-next-line react-hooks/exhaustive-deps
-	}, [] );
-
-	// Get the content for this screen
-	useEffect( () => {
+	const loadMoreProducts = useCallback( () => {
+		setIsLoadingMore( true );
+		const params = new URLSearchParams();
 		const abortController = new AbortController();
 
-		if (
-			query.tab === undefined ||
-			( query.tab &&
-				[ '', 'discover', 'my-subscriptions' ].includes( query.tab ) )
-		) {
-			return;
+		if ( query.category && query.category !== '_all' ) {
+			params.append( 'category', query.category );
 		}
 
-		setIsLoading( true );
-		setProducts( [] );
-
-		const params = new URLSearchParams();
+		if ( query.tab === 'themes' || query.tab === 'business-services' ) {
+			params.append( 'category', query.tab );
+		}
 
 		if ( query.term ) {
 			params.append( 'term', query.term );
 		}
 
-		if ( query.category ) {
-			params.append(
-				'category',
-				query.category === '_all' ? '' : query.category
-			);
-		} else if ( query?.tab === 'themes' ) {
-			params.append( 'category', 'themes' );
-		} else if ( query?.tab === 'business-services' ) {
-			params.append( 'category', 'business-services' );
-		} else if ( query?.tab === 'search' ) {
-			params.append( 'category', 'extensions-themes-business-services' );
-		}
-
 		const wccomSettings = getAdminSetting( 'wccomHelper', false );
 		if ( wccomSettings.storeCountry ) {
 			params.append( 'country', wccomSettings.storeCountry );
 		}
 
+		params.append( 'page', ( currentPage + 1 ).toString() );
+
 		fetchSearchResults( params, abortController.signal )
 			.then( ( productList ) => {
-				setProducts( productList );
+				setAllProducts( ( prevProducts ) => {
+					const flattenedPrevProducts = Array.isArray(
+						prevProducts[ 0 ]
+					)
+						? prevProducts.flat()
+						: prevProducts;
+
+					const newProducts = productList.products.filter(
+						( newProduct ) =>
+							! flattenedPrevProducts.some(
+								( prevProduct ) =>
+									prevProduct.id === newProduct.id
+							)
+					);
+
+					if ( newProducts.length > 0 ) {
+						setFirstNewProductId( newProducts[ 0 ].id ?? 0 );
+					}
+
+					const combinedProducts = [
+						...flattenedPrevProducts,
+						...newProducts,
+					];
+
+					return combinedProducts;
+				} );
+
+				speak( __( 'More products loaded', 'woocommerce' ) );
+				setCurrentPage( ( prevPage ) => prevPage + 1 );
+				setIsLoadingMore( false );
 			} )
 			.catch( () => {
-				setProducts( [] );
+				speak( __( 'Error loading more products', 'woocommerce' ) );
 			} )
 			.finally( () => {
-				// we are recording both the new and legacy events here for now
-				// they're separate methods to make it easier to remove the legacy one later
-				const marketplaceViewProps = {
-					view: query?.tab,
-					search_term: query?.term,
-					product_type: query?.section,
-					category: query?.category,
-				};
-
-				recordMarketplaceView( marketplaceViewProps );
-				recordLegacyTabView( marketplaceViewProps );
-				setIsLoading( false );
+				setIsLoadingMore( false );
 			} );
+
 		return () => {
 			abortController.abort();
 		};
 	}, [
+		currentPage,
+		query.category,
+		query.term,
+		query.tab,
+		setIsLoadingMore,
+	] );
+
+	useEffect( () => {
+		// if it's a paginated request, don't use this effect
+		if ( currentPage > 1 ) {
+			return;
+		}
+
+		const categories: Array< {
+			category: keyof SearchResultsCountType;
+			type: ProductType;
+		} > = [
+			{ category: 'extensions', type: ProductType.extension },
+			{ category: 'themes', type: ProductType.theme },
+			{
+				category: 'business-services',
+				type: ProductType.businessService,
+			},
+		];
+		const abortControllers = categories.map( () => new AbortController() );
+
+		setIsLoading( true );
+		setAllProducts( [] );
+
+		// If query.category is present and not '_all', only fetch that category
+		if ( query.category && query.category !== '_all' ) {
+			const params = new URLSearchParams();
+
+			params.append( 'category', query.category );
+
+			if ( query.term ) {
+				params.append( 'term', query.term );
+			}
+
+			const wccomSettings = getAdminSetting( 'wccomHelper', false );
+			if ( wccomSettings.storeCountry ) {
+				params.append( 'country', wccomSettings.storeCountry );
+			}
+
+			fetchSearchResults( params, abortControllers[ 0 ].signal )
+				.then( ( productList ) => {
+					setAllProducts( productList.products );
+					setTotalPagesCategory( productList.totalPages );
+					setSearchResultsCount( {
+						[ query.tab ]: productList.totalProducts,
+					} );
+
+					searchCompleteAnnouncement( productList.totalProducts );
+				} )
+				.catch( () => {
+					setAllProducts( [] );
+				} )
+				.finally( () => {
+					setIsLoading( false );
+				} );
+		} else {
+			// Fetch all tabs when query.term or query.category changes
+			Promise.all(
+				categories.map( ( { category, type }, index ) => {
+					const params = new URLSearchParams();
+					if ( category !== 'extensions' ) {
+						params.append( 'category', category );
+					}
+					if ( query.term ) {
+						params.append( 'term', query.term );
+					}
+
+					const wccomSettings = getAdminSetting(
+						'wccomHelper',
+						false
+					);
+					if ( wccomSettings.storeCountry ) {
+						params.append( 'country', wccomSettings.storeCountry );
+					}
+
+					return fetchSearchResults(
+						params,
+						abortControllers[ index ].signal
+					).then( ( productList ) => {
+						const typedProducts = tagProductsWithType(
+							productList.products,
+							type
+						);
+						if ( category === 'business-services' ) {
+							setHasBusinessServices( typedProducts.length > 0 );
+						}
+						return {
+							products: typedProducts,
+							totalPages: productList.totalPages,
+							totalProducts: productList.totalProducts,
+							type,
+						};
+					} );
+				} )
+			)
+				.then( ( results ) => {
+					const combinedProducts = results.flatMap(
+						( result ) => result.products
+					);
+
+					setAllProducts( combinedProducts );
+
+					setSearchResultsCount( {
+						extensions: results.find(
+							( i ) => i.type === 'extension'
+						)?.totalProducts,
+						themes: results.find( ( i ) => i.type === 'theme' )
+							?.totalProducts,
+						'business-services': results.find(
+							( i ) => i.type === 'business-service'
+						)?.totalProducts,
+					} );
+
+					results.forEach( ( result ) => {
+						switch ( result.type ) {
+							case ProductType.extension:
+								setTotalPagesExtensions( result.totalPages );
+								break;
+							case ProductType.theme:
+								setTotalPagesThemes( result.totalPages );
+								break;
+							case ProductType.businessService:
+								setTotalPagesBusinessServices(
+									result.totalPages
+								);
+								break;
+						}
+					} );
+
+					searchCompleteAnnouncement(
+						results.reduce( ( acc, curr ) => {
+							return acc + curr.totalProducts;
+						}, 0 )
+					);
+				} )
+				.catch( () => {
+					setAllProducts( [] );
+				} )
+				.finally( () => {
+					setIsLoading( false );
+				} );
+		}
+
+		return () => {
+			abortControllers.forEach( ( controller ) => {
+				controller.abort();
+			} );
+		};
+	}, [
+		query.tab,
 		query.term,
 		query.category,
-		query?.tab,
+		setHasBusinessServices,
 		setIsLoading,
-		query?.section,
+		setSearchResultsCount,
+		currentPage,
 	] );
 
+	// Filter the products based on the selected tab
+	useEffect( () => {
+		let filtered: Product[] | null;
+		switch ( selectedTab ) {
+			case 'extensions':
+				filtered = allProducts.filter(
+					( p ) => p.type === ProductType.extension
+				);
+				break;
+			case 'themes':
+				filtered = allProducts.filter(
+					( p ) => p.type === ProductType.theme
+				);
+				break;
+			case 'business-services':
+				filtered = allProducts.filter(
+					( p ) => p.type === ProductType.businessService
+				);
+				break;
+			default:
+				filtered = [];
+		}
+		setFilteredProducts( filtered );
+	}, [ selectedTab, allProducts ] );
+
+	// Record tab view events when the query changes
+	useEffect( () => {
+		const marketplaceViewProps = {
+			view: query?.tab,
+			search_term: query?.term,
+			product_type: query?.section,
+			category: query?.category,
+		};
+		recordMarketplaceView( marketplaceViewProps );
+		recordLegacyTabView( marketplaceViewProps );
+	}, [ query?.tab, query?.term, query?.section, query?.category ] );
+
+	// Reset current page when tab, term, or category changes
+	useEffect( () => {
+		setCurrentPage( 1 );
+		setFirstNewProductId( 0 );
+	}, [ selectedTab, query?.category, query?.term ] );
+
+	// Maintain product focus for accessibility
+	useEffect( () => {
+		if ( firstNewProductId ) {
+			setTimeout( () => {
+				const firstNewProduct = document.getElementById(
+					`product-${ firstNewProductId }`
+				);
+				if ( firstNewProduct ) {
+					firstNewProduct.focus();
+				}
+			}, 0 );
+		}
+	}, [ firstNewProductId ] );
+
 	const renderContent = (): JSX.Element => {
 		switch ( selectedTab ) {
 			case 'extensions':
-				return (
-					<Products
-						products={ products }
-						categorySelector={ true }
-						type={ ProductType.extension }
-					/>
-				);
 			case 'themes':
-				return (
-					<Products
-						products={ products }
-						categorySelector={ true }
-						type={ ProductType.theme }
-					/>
-				);
 			case 'business-services':
 				return (
 					<Products
-						products={ products }
+						products={ filteredProducts }
 						categorySelector={ true }
-						type={ ProductType.businessService }
-					/>
-				);
-			case 'search':
-				return (
-					<SearchResults
-						products={ products }
-						type={ SearchResultType.all }
+						type={ getProductType( selectedTab ) }
 					/>
 				);
 			case 'discover':
@@ -184,10 +392,29 @@ export default function Content(): JSX.Element {
 		}
 	};
 
+	const shouldShowLoadMoreButton = () => {
+		if ( ! query.category || query.category === '_all' ) {
+			// Check against total pages for the selected tab
+			switch ( selectedTab ) {
+				case 'extensions':
+					return currentPage < totalPagesExtensions;
+				case 'themes':
+					return currentPage < totalPagesThemes;
+				case 'business-services':
+					return currentPage < totalPagesBusinessServices;
+				default:
+					return false;
+			}
+		} else {
+			// Check against totalPagesCategory for specific category
+			return currentPage < totalPagesCategory;
+		}
+	};
+
 	return (
 		<div className="woocommerce-marketplace__content">
 			<Promotions />
-			<InstallNewProductModal products={ products } />
+			<InstallNewProductModal products={ filteredProducts } />
 			{ selectedTab !== 'business-services' &&
 				selectedTab !== 'my-subscriptions' && <ConnectNotice /> }
 			{ selectedTab !== 'business-services' && <PluginInstallNotice /> }
@@ -197,11 +424,15 @@ export default function Content(): JSX.Element {
 			{ selectedTab !== 'business-services' && (
 				<SubscriptionsExpiredExpiringNotice type="expiring" />
 			) }
-			{ selectedTab !== 'business-services' && (
-				<SubscriptionsExpiredExpiringNotice type="missing" />
-			) }
 
 			{ renderContent() }
+			{ ! isLoading && shouldShowLoadMoreButton() && (
+				<LoadMoreButton
+					onLoadMore={ loadMoreProducts }
+					isBusy={ isLoadingMore }
+					disabled={ isLoadingMore }
+				/>
+			) }
 		</div>
 	);
 }
diff --git a/plugins/woocommerce-admin/client/marketplace/components/header/header.scss b/plugins/woocommerce-admin/client/marketplace/components/header/header.scss
index 11616f62a7f..f4e14f0ff23 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/header/header.scss
+++ b/plugins/woocommerce-admin/client/marketplace/components/header/header.scss
@@ -5,6 +5,7 @@
 	background: #fff;
 	border-bottom: 1px solid $gutenberg-gray-300;
 	display: grid;
+	gap: $medium-gap;
 	grid-template: "mktpl-title mktpl-search mktpl-meta" 60px
 		"mktpl-tabs mktpl-tabs mktpl-tabs" auto / 1fr 320px 36px;
 	padding: 0 $content-spacing-large;
@@ -73,17 +74,3 @@
 		padding: 0 $content-spacing-small;
 	}
 }
-
-.woocommerce-marketplace__search {
-	margin-right: $medium-gap;
-	margin-top: 10px;
-
-	input[type="search"] {
-		all: unset;
-		flex-grow: 1;
-	}
-
-	@media (width <= $breakpoint-medium) {
-		margin: $content-spacing-small;
-	}
-}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/load-more-button/load-more-button.tsx b/plugins/woocommerce-admin/client/marketplace/components/load-more-button/load-more-button.tsx
new file mode 100644
index 00000000000..07fb2ea6c48
--- /dev/null
+++ b/plugins/woocommerce-admin/client/marketplace/components/load-more-button/load-more-button.tsx
@@ -0,0 +1,37 @@
+/**
+ * External dependencies
+ */
+import { Button } from '@wordpress/components';
+import { __ } from '@wordpress/i18n';
+import { speak } from '@wordpress/a11y';
+import { queueRecordEvent } from '@woocommerce/tracks';
+
+interface LoadMoreProps {
+	onLoadMore: () => void;
+	isBusy: boolean;
+	disabled: boolean;
+}
+
+export default function LoadMoreButton( props: LoadMoreProps ) {
+	const { onLoadMore, isBusy, disabled } = props;
+	function handleClick() {
+		queueRecordEvent( 'marketplace_load_more_button_clicked', {} );
+		onLoadMore();
+	}
+
+	if ( isBusy ) {
+		speak( __( 'Loading more products', 'woocommerce' ) );
+	}
+
+	return (
+		<Button
+			className="woocommerce-marketplace__load-more"
+			variant={ 'secondary' }
+			onClick={ handleClick }
+			isBusy={ isBusy }
+			disabled={ disabled }
+		>
+			{ __( 'Load more', 'woocommerce' ) }
+		</Button>
+	);
+}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/product-card/product-card.tsx b/plugins/woocommerce-admin/client/marketplace/components/product-card/product-card.tsx
index 79585e83189..00ba4a2d0e7 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/product-card/product-card.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/product-card/product-card.tsx
@@ -191,6 +191,8 @@ function ProductCard( props: ProductCardProps ): JSX.Element {
 	return (
 		<Card
 			className={ classNames }
+			id={ `product-${ product.id }` }
+			tabIndex={ -1 }
 			aria-hidden={ isLoading }
 			style={ inlineCss() }
 		>
diff --git a/plugins/woocommerce-admin/client/marketplace/components/product-list-content/no-results.tsx b/plugins/woocommerce-admin/client/marketplace/components/product-list-content/no-results.tsx
index da81e0d8059..9ecdd54c98a 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/product-list-content/no-results.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/product-list-content/no-results.tsx
@@ -3,7 +3,6 @@
  */
 import { __ } from '@wordpress/i18n';
 import { useEffect, useState } from '@wordpress/element';
-import { useQuery } from '@woocommerce/navigation';
 
 /**
  * Internal dependencies
@@ -22,8 +21,6 @@ export default function NoResults( props: {
 } ): JSX.Element {
 	const [ productGroups, setProductGroups ] = useState< ProductGroup[] >();
 	const [ isLoading, setIsLoading ] = useState( false );
-	const query = useQuery();
-	const showCategorySelector = query.tab === 'search' && query.section;
 	const productGroupsForSearchType = {
 		[ SearchResultType.all ]: [
 			'most-popular',
@@ -123,10 +120,6 @@ export default function NoResults( props: {
 	}
 
 	function categorySelector() {
-		if ( ! showCategorySelector ) {
-			return <></>;
-		}
-
 		if ( props.type === SearchResultType.all ) {
 			return <></>;
 		}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/product-list/types.ts b/plugins/woocommerce-admin/client/marketplace/components/product-list/types.ts
index 5008cef836a..9ee660ddb08 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/product-list/types.ts
+++ b/plugins/woocommerce-admin/client/marketplace/components/product-list/types.ts
@@ -1,5 +1,7 @@
 export type SearchAPIJSONType = {
 	products: Array< SearchAPIProductType >;
+	total_pages: number;
+	total_products: number;
 };
 
 export type SearchAPIProductType = {
diff --git a/plugins/woocommerce-admin/client/marketplace/components/products/products.scss b/plugins/woocommerce-admin/client/marketplace/components/products/products.scss
index 2d92bfd5259..4fb5f89218c 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/products/products.scss
+++ b/plugins/woocommerce-admin/client/marketplace/components/products/products.scss
@@ -9,10 +9,21 @@
 	}
 }
 
+
 .woocommerce-marketplace__sub-header {
 	display: flex;
-
-	.woocommerce-marketplace__customize-your-store-button {
-		margin: 16px 0 6px auto;
-	}
+	align-items: center;
+	justify-content: space-between;
+	gap: 32px;
 }
+
+.woocommerce-marketplace__sub-header__categories {
+	flex: 1;
+	overflow-x: auto;
+	position: relative;
+}
+
+.woocommerce-marketplace__customize-your-store-button {
+	flex-shrink: 0;
+}
+
diff --git a/plugins/woocommerce-admin/client/marketplace/components/products/products.tsx b/plugins/woocommerce-admin/client/marketplace/components/products/products.tsx
index 8ecd211e4d2..a078e991198 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/products/products.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/products/products.tsx
@@ -1,7 +1,7 @@
 /**
  * External dependencies
  */
-import { __, _n, sprintf } from '@wordpress/i18n';
+import { __ } from '@wordpress/i18n';
 import {
 	createInterpolateElement,
 	useContext,
@@ -24,7 +24,6 @@ import ProductListContent from '../product-list-content/product-list-content';
 import ProductLoader from '../product-loader/product-loader';
 import NoResults from '../product-list-content/no-results';
 import { Product, ProductType, SearchResultType } from '../product-list/types';
-import { MARKETPLACE_ITEMS_PER_PAGE } from '../constants';
 import { ADMIN_URL } from '~/utils/admin-settings';
 import { ThemeSwitchWarningModal } from '~/customize-store/intro/warning-modals';
 
@@ -54,12 +53,10 @@ const LABELS = {
 
 export default function Products( props: ProductsProps ) {
 	const marketplaceContextValue = useContext( MarketplaceContext );
-	const { isLoading, selectedTab } = marketplaceContextValue;
+	const { isLoading } = marketplaceContextValue;
 	const label = LABELS[ props.type ].label;
-	const singularLabel = LABELS[ props.type ].singularLabel;
 	const query = useQuery();
 	const category = query?.category;
-	const perPage = props.perPage ?? MARKETPLACE_ITEMS_PER_PAGE;
 	interface Theme {
 		stylesheet?: string;
 	}
@@ -94,42 +91,30 @@ export default function Products( props: ProductsProps ) {
 	}
 
 	// Store the total number of products before we slice it later.
-	const productTotalCount = props.products?.length ?? 0;
-	const products = props.products?.slice( 0, perPage ) ?? [];
-
-	let title = sprintf(
-		// translators: %s: plural item type (e.g. extensions, themes)
-		__( '0 %s found', 'woocommerce' ),
-		label
-	);
-
-	if ( productTotalCount > 0 ) {
-		title = sprintf(
-			// translators: %1$s: number of items, %2$s: singular item label, %3$s: plural item label
-			_n( '%1$s %2$s', '%1$s %3$s', productTotalCount, 'woocommerce' ),
-			productTotalCount,
-			singularLabel,
-			label
-		);
-	}
+	const products = props.products ?? [];
 
 	const labelForClassName =
 		label === 'business services' ? 'business-services' : label;
 
 	const baseContainerClass = 'woocommerce-marketplace__search-';
-	const baseProductListTitleClass = 'product-list-title--';
 
 	const containerClassName = clsx( baseContainerClass + labelForClassName );
-	const productListTitleClassName = clsx(
-		'woocommerce-marketplace__product-list-title',
-		baseContainerClass + baseProductListTitleClass + labelForClassName,
-		{ 'is-loading': isLoading }
-	);
 	const viewAllButonClassName = clsx(
 		'woocommerce-marketplace__view-all-button',
 		baseContainerClass + 'button-' + labelForClassName
 	);
 
+	if ( isLoading ) {
+		return (
+			<>
+				{ props.categorySelector && (
+					<CategorySelector type={ props.type } />
+				) }
+				<ProductLoader hasTitle={ false } type={ props.type } />
+			</>
+		);
+	}
+
 	if ( products.length === 0 ) {
 		let type = SearchResultType.all;
 
@@ -154,28 +139,14 @@ export default function Products( props: ProductsProps ) {
 			: ''
 	);
 
-	if ( isLoading ) {
-		return (
-			<>
-				{ props.categorySelector && (
-					<CategorySelector type={ props.type } />
-				) }
-				<ProductLoader hasTitle={ false } type={ props.type } />
-			</>
-		);
-	}
-
 	return (
 		<div className={ containerClassName }>
-			{ selectedTab === 'search' && (
-				<h2 className={ productListTitleClassName }>
-					{ isLoading ? ' ' : title }
-				</h2>
-			) }
-			<div className="woocommerce-marketplace__sub-header">
-				{ props.categorySelector && (
-					<CategorySelector type={ props.type } />
-				) }
+			<nav className="woocommerce-marketplace__sub-header">
+				<div className="woocommerce-marketplace__sub-header__categories">
+					{ props.categorySelector && (
+						<CategorySelector type={ props.type } />
+					) }
+				</div>
 				{ props.type === 'theme' && (
 					<Button
 						className="woocommerce-marketplace__customize-your-store-button"
@@ -192,7 +163,7 @@ export default function Products( props: ProductsProps ) {
 						} }
 					/>
 				) }
-			</div>
+			</nav>
 			{ isModalOpen && (
 				<ThemeSwitchWarningModal
 					setIsModalOpen={ setIsModalOpen }
diff --git a/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.scss b/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.scss
deleted file mode 100644
index d278ddffe60..00000000000
--- a/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.scss
+++ /dev/null
@@ -1,19 +0,0 @@
-@import "../../stylesheets/_variables.scss";
-
-.woocommerce-marketplace__search-results {
-	.woocommerce-marketplace {
-		&__view-all-button {
-			margin-top: 24px;
-		}
-	}
-	.woocommerce-marketplace__product-list-content--collapsed {
-		.woocommerce-marketplace__product-card {
-			&:nth-child(n+7) {
-				display: none;
-				@media screen and (min-width: $breakpoint-huge) {
-					display: block;
-				}
-			}
-		}
-	}
-}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.tsx b/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.tsx
deleted file mode 100644
index f555d01ef3c..00000000000
--- a/plugins/woocommerce-admin/client/marketplace/components/search-results/search-results.tsx
+++ /dev/null
@@ -1,193 +0,0 @@
-/**
- * External dependencies
- */
-import { useQuery } from '@woocommerce/navigation';
-import { useContext } from '@wordpress/element';
-import { __ } from '@wordpress/i18n';
-
-/**
- * Internal dependencies
- */
-import './search-results.scss';
-import { Product, ProductType, SearchResultType } from '../product-list/types';
-import Products from '../products/products';
-import NoResults from '../product-list-content/no-results';
-import { MarketplaceContext } from '../../contexts/marketplace-context';
-import {
-	MARKETPLACE_ITEMS_PER_PAGE,
-	MARKETPLACE_SEARCH_RESULTS_PER_PAGE,
-} from '../../../marketplace/components/constants';
-
-export interface SearchResultProps {
-	products: Product[];
-	type: SearchResultType;
-}
-
-export default function SearchResults( props: SearchResultProps ): JSX.Element {
-	const extensionList = props.products.filter(
-		( product ) => product.type === ProductType.extension
-	);
-	const themeList = props.products.filter(
-		( product ) => product.type === ProductType.theme
-	);
-	const businessServiceList = props.products.filter(
-		( product ) => product.type === ProductType.businessService
-	);
-
-	const hasExtensions = extensionList.length > 0;
-	const hasThemes = themeList.length > 0;
-	const hasBusinessServices = businessServiceList.length > 0;
-	const hasOnlyExtensions =
-		hasExtensions && ! hasThemes && ! hasBusinessServices;
-	const hasOnlyThemes = hasThemes && ! hasExtensions && ! hasBusinessServices;
-	const hasOnlyBusinessServices =
-		hasBusinessServices && ! hasExtensions && ! hasThemes;
-
-	const marketplaceContextValue = useContext( MarketplaceContext );
-	const { isLoading, hasBusinessServices: canShowBusinessServices } =
-		marketplaceContextValue;
-
-	const query = useQuery();
-	const showCategorySelector = query.section ? true : false;
-	const searchTerm = query.term ? query.term : '';
-
-	type Overrides = {
-		categorySelector?: boolean;
-		showAllButton?: boolean;
-		perPage?: number;
-	};
-
-	function productsComponent(
-		products: Product[],
-		type: ProductType,
-		overrides: Overrides = {}
-	) {
-		return (
-			<Products
-				products={ products }
-				type={ type }
-				categorySelector={
-					overrides.categorySelector ?? showCategorySelector
-				}
-				searchTerm={ searchTerm }
-				showAllButton={ overrides.showAllButton ?? true }
-				perPage={ overrides.perPage ?? MARKETPLACE_ITEMS_PER_PAGE }
-			/>
-		);
-	}
-
-	function extensionsComponent( overrides: Overrides = {} ) {
-		return productsComponent(
-			extensionList,
-			ProductType.extension,
-			overrides
-		);
-	}
-
-	function themesComponent( overrides: Overrides = {} ) {
-		return productsComponent( themeList, ProductType.theme, overrides );
-	}
-
-	function businessServicesComponent( overrides: Overrides = {} ) {
-		return productsComponent(
-			businessServiceList,
-			ProductType.businessService,
-			overrides
-		);
-	}
-
-	const content = () => {
-		if ( query?.section === SearchResultType.extension ) {
-			return extensionsComponent( { showAllButton: false } );
-		}
-
-		if ( query?.section === SearchResultType.theme ) {
-			return themesComponent( { showAllButton: false } );
-		}
-
-		if ( query?.section === SearchResultType.businessService ) {
-			return businessServicesComponent( { showAllButton: false } );
-		}
-
-		// Components can handle their isLoading state. So we can put all three on the page.
-		if ( isLoading ) {
-			return (
-				<>
-					{ extensionsComponent() }
-					{ themesComponent() }
-					{ businessServicesComponent() }
-				</>
-			);
-		}
-
-		// If we did finish loading items, and there are no results, show the no results component.
-		if (
-			! isLoading &&
-			! hasExtensions &&
-			! hasThemes &&
-			! hasBusinessServices
-		) {
-			return (
-				<NoResults
-					type={ SearchResultType.all }
-					showHeading={ true }
-					heading={
-						canShowBusinessServices
-							? __(
-									'No extensions, themes or business services found…',
-									'woocommerce'
-							  )
-							: __(
-									'No extensions or themes found…',
-									'woocommerce'
-							  )
-					}
-				/>
-			);
-		}
-
-		// If we're done loading, we can put these components on the page.
-		return (
-			<>
-				{ hasExtensions
-					? extensionsComponent( {
-							categorySelector: hasOnlyExtensions || undefined,
-							showAllButton: hasOnlyExtensions
-								? false
-								: undefined,
-							perPage: hasOnlyExtensions
-								? MARKETPLACE_ITEMS_PER_PAGE
-								: MARKETPLACE_SEARCH_RESULTS_PER_PAGE,
-					  } )
-					: null }
-				{ hasThemes
-					? themesComponent( {
-							categorySelector: hasOnlyThemes || undefined,
-							showAllButton: hasOnlyThemes ? false : undefined,
-							perPage: hasOnlyThemes
-								? MARKETPLACE_ITEMS_PER_PAGE
-								: MARKETPLACE_SEARCH_RESULTS_PER_PAGE,
-					  } )
-					: null }
-				{ hasBusinessServices
-					? businessServicesComponent( {
-							categorySelector:
-								hasOnlyBusinessServices || undefined,
-							showAllButton: hasOnlyBusinessServices
-								? false
-								: undefined,
-							perPage: hasOnlyBusinessServices
-								? MARKETPLACE_ITEMS_PER_PAGE
-								: MARKETPLACE_SEARCH_RESULTS_PER_PAGE,
-					  } )
-					: null }
-			</>
-		);
-	};
-
-	return (
-		<div className="woocommerce-marketplace__search-results">
-			{ content() }
-		</div>
-	);
-}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/search/search.scss b/plugins/woocommerce-admin/client/marketplace/components/search/search.scss
index e6725b7ca2d..0fb878f214f 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/search/search.scss
+++ b/plugins/woocommerce-admin/client/marketplace/components/search/search.scss
@@ -2,29 +2,15 @@
 
 .woocommerce-marketplace__search {
 	grid-area: mktpl-search;
-	background: $gutenberg-gray-100;
-	border: 1.5px solid transparent;
-	border-radius: 2px;
-	display: flex;
-	height: 40px;
-	padding: 4px 8px 4px 12px;
-
-	input[type="search"] {
-		all: unset;
-		flex-grow: 1;
-	}
-
-	&:focus-within {
-		background: #fff;
-		border-color: var(--wp-admin-theme-color, #3858e9);
-	}
+	margin-top: 15px;
+	width: 320px;
 
 	@media (width <= $breakpoint-medium) {
 		margin: $grid-unit-20 $grid-unit-20 $grid-unit-10 $grid-unit-20;
+		width: calc(100% - $grid-unit-20 * 2);
+
+		.components-input-control__input {
+			font-size: 13px !important;
+		}
 	}
 }
-
-.woocommerce-marketplace__search-button {
-	all: unset;
-	cursor: pointer;
-}
diff --git a/plugins/woocommerce-admin/client/marketplace/components/search/search.tsx b/plugins/woocommerce-admin/client/marketplace/components/search/search.tsx
index e03582ca4e8..f9572c7c7fa 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/search/search.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/search/search.tsx
@@ -2,26 +2,20 @@
  * External dependencies
  */
 import { __ } from '@wordpress/i18n';
-import { Icon, search } from '@wordpress/icons';
-import { useContext, useEffect, useState } from '@wordpress/element';
+import { useEffect, useState } from '@wordpress/element';
 import { navigateTo, getNewPath, useQuery } from '@woocommerce/navigation';
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore
+// eslint-disable-next-line @woocommerce/dependency-group
+import { SearchControl } from '@wordpress/components';
+// The @ts-ignore is needed because the SearchControl types are not exported from the @wordpress/components package,
+// even though the component itself is. This is likely due to an older version of the package being used.
 
 /**
  * Internal dependencies
  */
 import './search.scss';
 import { MARKETPLACE_PATH } from '../constants';
-import { MarketplaceContext } from '../../contexts/marketplace-context';
-
-const searchPlaceholder = __(
-	'Search for extensions, themes, and business services',
-	'woocommerce'
-);
-
-const searchPlaceholderNoBusinessServices = __(
-	'Search for extensions and themes',
-	'woocommerce'
-);
 
 /**
  * Search component.
@@ -30,14 +24,10 @@ const searchPlaceholderNoBusinessServices = __(
  */
 function Search(): JSX.Element {
 	const [ searchTerm, setSearchTerm ] = useState( '' );
-	const { hasBusinessServices } = useContext( MarketplaceContext );
+	const searchPlaceholder = __( 'Search Marketplace', 'woocommerce' );
 
 	const query = useQuery();
 
-	const placeholder = hasBusinessServices
-		? searchPlaceholder
-		: searchPlaceholderNoBusinessServices;
-
 	useEffect( () => {
 		if ( query.term ) {
 			setSearchTerm( query.term );
@@ -46,21 +36,16 @@ function Search(): JSX.Element {
 		}
 	}, [ query.term ] );
 
-	useEffect( () => {
-		if ( query.tab !== 'search' ) {
-			setSearchTerm( '' );
-		}
-	}, [ query.tab ] );
-
 	const runSearch = () => {
-		const term = searchTerm.trim();
+		const newQuery: { term?: string; tab?: string } = query;
 
-		const newQuery: { term?: string; tab?: string } = {};
-		if ( term !== '' ) {
-			newQuery.term = term;
-			newQuery.tab = 'search';
+		// If we're on 'Discover' or 'My subscriptions' when a search is initiated, move to the extensions tab
+		if ( ! newQuery.tab || newQuery.tab === 'my-subscriptions' ) {
+			newQuery.tab = 'extensions';
 		}
 
+		newQuery.term = searchTerm.trim();
+
 		// When the search term changes, we reset the query string on purpose.
 		navigateTo( {
 			url: getNewPath( newQuery, MARKETPLACE_PATH, {} ),
@@ -69,12 +54,6 @@ function Search(): JSX.Element {
 		return [];
 	};
 
-	const handleInputChange = (
-		event: React.ChangeEvent< HTMLInputElement >
-	) => {
-		setSearchTerm( event.target.value );
-	};
-
 	const handleKeyUp = ( event: { key: string } ) => {
 		if ( event.key === 'Enter' ) {
 			runSearch();
@@ -86,32 +65,14 @@ function Search(): JSX.Element {
 	};
 
 	return (
-		<div className="woocommerce-marketplace__search">
-			<label
-				className="screen-reader-text"
-				htmlFor="woocommerce-marketplace-search-query"
-			>
-				{ placeholder }
-			</label>
-			<input
-				id="woocommerce-marketplace-search-query"
-				value={ searchTerm }
-				className="woocommerce-marketplace__search-input"
-				type="search"
-				name="woocommerce-marketplace-search-query"
-				placeholder={ placeholder }
-				onChange={ handleInputChange }
-				onKeyUp={ handleKeyUp }
-			/>
-			<button
-				id="woocommerce-marketplace-search-button"
-				className="woocommerce-marketplace__search-button"
-				aria-label={ __( 'Search', 'woocommerce' ) }
-				onClick={ runSearch }
-			>
-				<Icon icon={ search } size={ 32 } />
-			</button>
-		</div>
+		<SearchControl
+			label={ searchPlaceholder }
+			placeholder={ searchPlaceholder }
+			value={ searchTerm }
+			onChange={ setSearchTerm }
+			onKeyUp={ handleKeyUp }
+			className="woocommerce-marketplace__search"
+		/>
 	);
 }
 
diff --git a/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.scss b/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.scss
index 008fe4e1b84..3a8e7c152e6 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.scss
+++ b/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.scss
@@ -45,6 +45,18 @@
 		text-align: center;
 		z-index: 26;
 	}
+
+	&__update-count-extensions,
+	&__update-count-themes,
+	&__update-count-business-services {
+		background-color: $gutenberg-gray-300;
+		color: $gutenberg-gray-700;
+
+		&.is-active {
+			background-color: #000;
+			color: #fff;
+		}
+	}
 }
 
 @media (width <= $breakpoint-medium) {
diff --git a/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.tsx b/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.tsx
index 1f852a2b982..052a06df435 100644
--- a/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/components/tabs/tabs.tsx
@@ -2,7 +2,7 @@
  * External dependencies
  */
 import { __ } from '@wordpress/i18n';
-import { useContext, useEffect, useState } from '@wordpress/element';
+import { useContext, useEffect, useState, useMemo } from '@wordpress/element';
 import { Button } from '@wordpress/components';
 import clsx from 'clsx';
 import { getNewPath, navigateTo, useQuery } from '@woocommerce/navigation';
@@ -35,63 +35,26 @@ interface Tabs {
 const wccomSettings = getAdminSetting( 'wccomHelper', {} );
 const wooUpdateCount = wccomSettings?.wooUpdateCount ?? 0;
 
-const tabs: Tabs = {
-	search: {
-		name: 'search',
-		title: __( 'Search results', 'woocommerce' ),
-		showUpdateCount: false,
-		updateCount: 0,
-	},
-	discover: {
-		name: 'discover',
-		title: __( 'Discover', 'woocommerce' ),
-		showUpdateCount: false,
-		updateCount: 0,
-	},
-	extensions: {
-		name: 'extensions',
-		title: __( 'Extensions', 'woocommerce' ),
-		showUpdateCount: false,
-		updateCount: 0,
-	},
-	themes: {
-		name: 'themes',
-		title: __( 'Themes', 'woocommerce' ),
-		showUpdateCount: false,
-		updateCount: 0,
-	},
-	'business-services': {
-		name: 'business-services',
-		title: __( 'Business services', 'woocommerce' ),
-		showUpdateCount: false,
-		updateCount: 0,
-	},
-	'my-subscriptions': {
-		name: 'my-subscriptions',
-		title: __( 'My subscriptions', 'woocommerce' ),
-		showUpdateCount: true,
-		updateCount: wooUpdateCount,
-	},
-};
-
-const setUrlTabParam = ( tabKey: string ) => {
+const setUrlTabParam = ( tabKey: string, query: Record< string, string > ) => {
+	const term = query.term ? { term: query.term.trim() } : {};
 	navigateTo( {
 		url: getNewPath(
 			{ tab: tabKey === DEFAULT_TAB_KEY ? undefined : tabKey },
 			MARKETPLACE_PATH,
-			{}
+			term
 		),
 	} );
 };
 
-const getVisibleTabs = ( selectedTab: string, hasBusinessServices = false ) => {
+const getVisibleTabs = (
+	selectedTab: string,
+	hasBusinessServices = false,
+	tabs: Tabs
+) => {
 	if ( selectedTab === '' ) {
 		return tabs;
 	}
 	const currentVisibleTabs = { ...tabs };
-	if ( selectedTab !== 'search' ) {
-		delete currentVisibleTabs.search;
-	}
 	if ( ! hasBusinessServices ) {
 		delete currentVisibleTabs[ 'business-services' ];
 	}
@@ -101,7 +64,9 @@ const getVisibleTabs = ( selectedTab: string, hasBusinessServices = false ) => {
 
 const renderTabs = (
 	marketplaceContextValue: MarketplaceContextType,
-	visibleTabs: Tabs
+	visibleTabs: Tabs,
+	tabs: Tabs,
+	query: Record< string, string >
 ) => {
 	const { selectedTab, setSelectedTab } = marketplaceContextValue;
 
@@ -110,7 +75,7 @@ const renderTabs = (
 			return;
 		}
 		setSelectedTab( tabKey );
-		setUrlTabParam( tabKey );
+		setUrlTabParam( tabKey, query );
 	};
 
 	const tabContent = [];
@@ -143,7 +108,15 @@ const renderTabs = (
 					{ tabs[ tabKey ]?.title }
 					{ tabs[ tabKey ]?.showUpdateCount &&
 						tabs[ tabKey ]?.updateCount > 0 && (
-							<span className="woocommerce-marketplace__update-count">
+							<span
+								className={ clsx(
+									'woocommerce-marketplace__update-count',
+									`woocommerce-marketplace__update-count-${ tabKey }`,
+									{
+										'is-active': tabKey === selectedTab,
+									}
+								) }
+							>
 								<span> { tabs[ tabKey ]?.updateCount } </span>
 							</span>
 						) }
@@ -157,23 +130,70 @@ const renderTabs = (
 const Tabs = ( props: TabsProps ): JSX.Element => {
 	const { additionalClassNames } = props;
 	const marketplaceContextValue = useContext( MarketplaceContext );
-	const { selectedTab, setSelectedTab, hasBusinessServices } =
+	const { selectedTab, isLoading, setSelectedTab, hasBusinessServices } =
 		marketplaceContextValue;
-	const [ visibleTabs, setVisibleTabs ] = useState( getVisibleTabs( '' ) );
+	const { searchResultsCount } = marketplaceContextValue;
 
 	const query: Record< string, string > = useQuery();
 
+	const tabs: Tabs = useMemo(
+		() => ( {
+			discover: {
+				name: 'discover',
+				title: __( 'Discover', 'woocommerce' ),
+				showUpdateCount: false,
+				updateCount: 0,
+			},
+			extensions: {
+				name: 'extensions',
+				title: __( 'Extensions', 'woocommerce' ),
+				showUpdateCount: !! query.term && ! isLoading,
+				updateCount: searchResultsCount.extensions,
+			},
+			themes: {
+				name: 'themes',
+				title: __( 'Themes', 'woocommerce' ),
+				showUpdateCount: !! query.term && ! isLoading,
+				updateCount: searchResultsCount.themes,
+			},
+			'business-services': {
+				name: 'business-services',
+				title: __( 'Business services', 'woocommerce' ),
+				showUpdateCount: !! query.term && ! isLoading,
+				updateCount: searchResultsCount[ 'business-services' ],
+			},
+			'my-subscriptions': {
+				name: 'my-subscriptions',
+				title: __( 'My subscriptions', 'woocommerce' ),
+				showUpdateCount: true,
+				updateCount: wooUpdateCount,
+			},
+		} ),
+		[ query, isLoading, searchResultsCount ]
+	);
+
+	const [ visibleTabs, setVisibleTabs ] = useState(
+		getVisibleTabs( '', false, tabs )
+	);
+
 	useEffect( () => {
 		if ( query?.tab && tabs[ query.tab ] ) {
 			setSelectedTab( query.tab );
 		} else if ( Object.keys( query ).length > 0 ) {
 			setSelectedTab( DEFAULT_TAB_KEY );
 		}
-	}, [ query, setSelectedTab ] );
+	}, [ query, setSelectedTab, tabs ] );
 
 	useEffect( () => {
-		setVisibleTabs( getVisibleTabs( selectedTab, hasBusinessServices ) );
-	}, [ selectedTab, hasBusinessServices ] );
+		setVisibleTabs(
+			getVisibleTabs( selectedTab, hasBusinessServices, tabs )
+		);
+
+		if ( selectedTab === 'business-services' && ! hasBusinessServices ) {
+			setUrlTabParam( 'extensions', query );
+		}
+	}, [ selectedTab, hasBusinessServices, query, tabs ] );
+
 	return (
 		<nav
 			className={ clsx(
@@ -181,7 +201,7 @@ const Tabs = ( props: TabsProps ): JSX.Element => {
 				additionalClassNames || []
 			) }
 		>
-			{ renderTabs( marketplaceContextValue, visibleTabs ) }
+			{ renderTabs( marketplaceContextValue, visibleTabs, tabs, query ) }
 		</nav>
 	);
 };
diff --git a/plugins/woocommerce-admin/client/marketplace/contexts/marketplace-context.tsx b/plugins/woocommerce-admin/client/marketplace/contexts/marketplace-context.tsx
index 53dd1bb5789..0631bf5725e 100644
--- a/plugins/woocommerce-admin/client/marketplace/contexts/marketplace-context.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/contexts/marketplace-context.tsx
@@ -1,12 +1,17 @@
 /**
  * External dependencies
  */
-import { useState, useEffect, createContext } from '@wordpress/element';
+import {
+	useState,
+	useEffect,
+	useCallback,
+	createContext,
+} from '@wordpress/element';
 
 /**
  * Internal dependencies
  */
-import { MarketplaceContextType } from './types';
+import { SearchResultsCountType, MarketplaceContextType } from './types';
 import { getAdminSetting } from '../../utils/admin-settings';
 
 export const MarketplaceContext = createContext< MarketplaceContextType >( {
@@ -18,6 +23,12 @@ export const MarketplaceContext = createContext< MarketplaceContextType >( {
 	addInstalledProduct: () => {},
 	hasBusinessServices: false,
 	setHasBusinessServices: () => {},
+	searchResultsCount: {
+		extensions: 0,
+		themes: 0,
+		'business-services': 0,
+	},
+	setSearchResultsCount: () => {},
 } );
 
 export function MarketplaceContextProvider( props: {
@@ -29,6 +40,22 @@ export function MarketplaceContextProvider( props: {
 		[]
 	);
 	const [ hasBusinessServices, setHasBusinessServices ] = useState( false );
+	const [ searchResultsCount, setSearchResultsCountState ] =
+		useState< SearchResultsCountType >( {
+			extensions: 0,
+			themes: 0,
+			'business-services': 0,
+		} );
+
+	const setSearchResultsCount = useCallback(
+		( updatedCounts: Partial< SearchResultsCountType > ) => {
+			setSearchResultsCountState( ( prev ) => ( {
+				...prev,
+				...updatedCounts,
+			} ) );
+		},
+		[]
+	);
 
 	/**
 	 * Knowing installed products will help us to determine which products
@@ -59,6 +86,8 @@ export function MarketplaceContextProvider( props: {
 		addInstalledProduct,
 		hasBusinessServices,
 		setHasBusinessServices,
+		searchResultsCount,
+		setSearchResultsCount,
 	};
 
 	return (
diff --git a/plugins/woocommerce-admin/client/marketplace/contexts/types.ts b/plugins/woocommerce-admin/client/marketplace/contexts/types.ts
index 969ce88d2e1..3240729871e 100644
--- a/plugins/woocommerce-admin/client/marketplace/contexts/types.ts
+++ b/plugins/woocommerce-admin/client/marketplace/contexts/types.ts
@@ -8,6 +8,12 @@ import { Options } from '@wordpress/notices';
  */
 import { Subscription } from '../components/my-subscriptions/types';
 
+export interface SearchResultsCountType {
+	extensions: number;
+	themes: number;
+	'business-services': number;
+}
+
 export type MarketplaceContextType = {
 	isLoading: boolean;
 	setIsLoading: ( isLoading: boolean ) => void;
@@ -17,6 +23,10 @@ export type MarketplaceContextType = {
 	addInstalledProduct: ( slug: string ) => void;
 	hasBusinessServices: boolean;
 	setHasBusinessServices: ( hasBusinessServices: boolean ) => void;
+	searchResultsCount: SearchResultsCountType;
+	setSearchResultsCount: (
+		updatedCounts: Partial< SearchResultsCountType >
+	) => void;
 };
 
 export type SubscriptionsContextType = {
diff --git a/plugins/woocommerce-admin/client/marketplace/utils/functions.tsx b/plugins/woocommerce-admin/client/marketplace/utils/functions.tsx
index d7fbc982c15..a063490eefc 100644
--- a/plugins/woocommerce-admin/client/marketplace/utils/functions.tsx
+++ b/plugins/woocommerce-admin/client/marketplace/utils/functions.tsx
@@ -107,7 +107,11 @@ async function fetchJsonWithCache(
 async function fetchSearchResults(
 	params: URLSearchParams,
 	abortSignal?: AbortSignal
-): Promise< Product[] > {
+): Promise< {
+	products: Product[];
+	totalPages: number;
+	totalProducts: number;
+} > {
 	const url =
 		MARKETPLACE_HOST +
 		MARKETPLACE_SEARCH_API_PATH +
@@ -151,9 +155,12 @@ async function fetchSearchResults(
 						};
 					}
 				);
-				resolve( products );
+				const totalPages = ( json as SearchAPIJSONType ).total_pages;
+				const totalProducts = ( json as SearchAPIJSONType )
+					.total_products;
+				resolve( { products, totalPages, totalProducts } );
 			} )
-			.catch( () => reject );
+			.catch( reject );
 	} );
 }
 
@@ -174,6 +181,17 @@ async function fetchDiscoverPageData(): Promise< ProductGroup[] > {
 	}
 }
 
+function getProductType( tab: string ): ProductType {
+	switch ( tab ) {
+		case 'themes':
+			return ProductType.theme;
+		case 'business-services':
+			return ProductType.businessService;
+		default:
+			return ProductType.extension;
+	}
+}
+
 function fetchCategories( type: ProductType ): Promise< CategoryAPIItem[] > {
 	const url = new URL( MARKETPLACE_HOST + MARKETPLACE_CATEGORY_API_PATH );
 
@@ -478,6 +496,7 @@ export {
 	fetchCategories,
 	fetchDiscoverPageData,
 	fetchSearchResults,
+	getProductType,
 	fetchSubscriptions,
 	refreshSubscriptions,
 	getInstallUrl,
diff --git a/plugins/woocommerce-admin/client/marketplace/utils/tracking.ts b/plugins/woocommerce-admin/client/marketplace/utils/tracking.ts
index 6729c824c55..8b08027770e 100644
--- a/plugins/woocommerce-admin/client/marketplace/utils/tracking.ts
+++ b/plugins/woocommerce-admin/client/marketplace/utils/tracking.ts
@@ -42,11 +42,6 @@ function recordMarketplaceView( props: MarketplaceViewProps ) {
 		eventProps.category = '_all';
 	}
 
-	// User clicks the `View All` button on search results
-	if ( view && view === 'search' && product_type && ! category ) {
-		eventProps.category = '_all';
-	}
-
 	recordEvent( 'marketplace_view', eventProps );
 }
 
@@ -80,11 +75,6 @@ function recordLegacyTabView( props: MarketplaceViewProps ) {
 		case 'themes':
 			oldEventProps.section = 'themes';
 			break;
-		case 'search':
-			oldEventName = 'extensions_view_search';
-			oldEventProps.section = view;
-			oldEventProps.search_term = search_term || '';
-			break;
 		case 'my-subscriptions':
 			oldEventName = 'subscriptions_view';
 			oldEventProps.section = 'helper';
diff --git a/plugins/woocommerce/changelog/51309-update-21591-in-app-category-selector b/plugins/woocommerce/changelog/51309-update-21591-in-app-category-selector
new file mode 100644
index 00000000000..504e3d4d2d2
--- /dev/null
+++ b/plugins/woocommerce/changelog/51309-update-21591-in-app-category-selector
@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+
+Update In-App Marketplace category selector
\ No newline at end of file
diff --git a/plugins/woocommerce/changelog/51313-update-wccom-21595-in-app-search-component b/plugins/woocommerce/changelog/51313-update-wccom-21595-in-app-search-component
new file mode 100644
index 00000000000..42a06d9bf86
--- /dev/null
+++ b/plugins/woocommerce/changelog/51313-update-wccom-21595-in-app-search-component
@@ -0,0 +1,4 @@
+Significance: minor
+Type: update
+
+Replace marketplace search component with SearchControl from @wordpress/components
\ No newline at end of file
diff --git a/plugins/woocommerce/changelog/51342-fix-21596-search-loading-state b/plugins/woocommerce/changelog/51342-fix-21596-search-loading-state
new file mode 100644
index 00000000000..a55cd0e6601
--- /dev/null
+++ b/plugins/woocommerce/changelog/51342-fix-21596-search-loading-state
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Fix the loading state for the In-App Marketplace search
\ No newline at end of file
diff --git a/plugins/woocommerce/changelog/51434-add-wccom-21568-in-app-load-more-button b/plugins/woocommerce/changelog/51434-add-wccom-21568-in-app-load-more-button
new file mode 100644
index 00000000000..50f6c905990
--- /dev/null
+++ b/plugins/woocommerce/changelog/51434-add-wccom-21568-in-app-load-more-button
@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Added a Load More button to product lists on the Extensions page, to request additional search results from WooCommerce.com.
\ No newline at end of file
diff --git a/plugins/woocommerce/changelog/refactor-wccom-21576-search-tab b/plugins/woocommerce/changelog/refactor-wccom-21576-search-tab
new file mode 100644
index 00000000000..ba8046f3451
--- /dev/null
+++ b/plugins/woocommerce/changelog/refactor-wccom-21576-search-tab
@@ -0,0 +1,4 @@
+Significance: minor
+Type: update
+
+Change the way search results are displayed in the in-app marketplace
diff --git a/plugins/woocommerce/changelog/tweak-21597-in-app-search-results-count b/plugins/woocommerce/changelog/tweak-21597-in-app-search-results-count
new file mode 100644
index 00000000000..b0edda219c3
--- /dev/null
+++ b/plugins/woocommerce/changelog/tweak-21597-in-app-search-results-count
@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Add search result counts to the in-app marketplace header tabs (Extensions area)