Sector portfolio · Accelerator · United States

Y Combinator's Advertising & Adtech portfolio

Y Combinator has backed 56 Advertising & Adtech startups in rounds we track, $1.4B between them, shown by the stage each has reached. The best-funded is Velvet.

56startups backed
5stages
$1.4Braised between them
Pre-seed and seedbiggest stage

Y Combinator's whole portfolioY Combinator's profile

Segment by segment

Pre-seed and seed

30 startups · $430M raised

  1. VelvetThe digital analyst for private marketsUnited States$202M
  2. SSKIOChina$167M
  3. BoostableBoostable is a marketing agency based in Melbourne that specializes in web design, SEO, local SEO, and e-commerce services.United States$8.2M
  4. MayanMayan Group, Inc.United States$8.0M
  5. ViroolVirool is a programmatic video marketing platform.United States$6.6M
  6. LLovd.comBuy and sell previously Lovd goods.-$4.5M
  7. PodsightsPodsights builds the tools to take podcast advertising from guesswork to a science.United States$4.0M
  8. Reforged LabsReforged Labs Boa is the AI creative intelligence agent that answers all your questions about what ads are performing, why they woUnited States$3.9M

Series A

10 startups · $258M raised

  1. VelocityOur mission at Velocity is to help founders go further, faster.United Kingdom$105M
  2. RembrandRembrand is a technology company based in Palo Alto, California, founded in 2022.United States$61M
  3. BoostlyBoostly is a marketing platform designed specifically for restaurants, offering a comprehensive SMS marketing system and marketingUnited States$22M
  4. TaivTaiv replaces commercials on live TV so that businesses can show more relevant advertisements instead.Canada$17M
  5. BreefBreef is a digital marketplace and agency matchmaking platform that connects brands with vetted marketing, advertising, and creatiUnited States$16M
  6. FanAIFanAI is an AI-driven audience monetization platform.United States$14M
  7. Popular PaysPopular Pays is a platform that connects brands with creators who make content worth sharing.United States$13M
  8. ZZyperUnited Kingdom$6.5M

Series B

8 startups · $199M raised

  1. NativoNativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads.United States$56M
  2. AgentioAgentio is an AI-powered ad platform that simplifies the acquisition of sponsored creator content.United States$52M
  3. MetadataMetadata eliminates manual and repetitive work for b2b marketers so they can focus on strategy and creativity.United States$40M
  4. SSurvataUnited States$22M
  5. UpwaveUpwave .Germany$14M
  6. HHeyzapHeyzap is a premier mobile ad network that helps millions of users discover apps they love.United States$8.0M
  7. SStoretailStoretail is the platform of E-Retail Technologies pioneer in Trade Marketing Online solutions.France$6.1M
  8. PPPopular PayUnited States$1.1M

Series C and later

5 startups · $476M raised

  1. CortexCortex Intelligence, based in São Paulo, Brazil, is a prominent technology firm specializing in Go-to-Market (GTM) intelligence, dUnited States$151M
  2. PebblePostPebblePost provides marketers a way to transform recent online data into intelligent direct mail programs that perform.United States$109M
  3. PermutivePermutive is a London-based technology company that specializes in predictive data collaboration for the open internet.United Kingdom$76M
  4. ShopMyShopMy is a creator-centric ecosystem and affiliate marketing platform founded in 2020.United States$70M
  5. PostscriptPostscript is a leading SMS revenue platform tailored for e-commerce stores, particularly Shopify brands.United States$70M

Stage not reported

3 startups · $34M raised

  1. LobLob is a direct mail automation platform based in San Francisco, founded in 2013.United States$30M
  2. VeritonicVeritonic is a New York-based audio effectiveness and analytics platform founded in 2015.United States$2.8M
  3. TalkableTalkable is a premium enterprise referral marketing platform founded in 2010 and headquartered in San Francisco, California, with United States$1.2M

How this map is made. Every startup here works in Advertising & Adtech and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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