# Top 50 Advertising & Adtech Startups in the United States by Funding (2026)

> The 50 best-funded advertising & Adtech startups in the United States, ranked by total funding raised: $19B combined.

Source: https://millionrounds.com/top-lists/adtech-startups-united-states (Millionrounds; every figure on the page links to its filing or article)

- 1 [**AppLovin** AppLovin makes technologies that help businesses of every size connect to their ideal customers.](https://millionrounds.com/company/applovin) AppLovin makes technologies that help businesses of every size connect to their ideal customers. *Founded* - Palo Alto, United States **$3.5B** last round Nov 2024
- 2 [**Pinterest** Eco-friendly handmade goods for the home and family by Melanie Maralit.](https://millionrounds.com/company/pinterest) Eco-friendly handmade goods for the home and family by Melanie Maralit. *Founded* 2010 Alexandria, United States **$2.3B** last round Mar 2026
- 3 [**LivingSocial** LivingSocial provides an online local marketplace to buy and share things.](https://millionrounds.com/company/livingsocial) LivingSocial provides an online local marketplace to buy and share things. *Founded* 2007 Washington, United States **$935M** last round Feb 2013
- 4 [**System1** System1 fuses technology and science to identify & unlock consumer intent.](https://millionrounds.com/company/system1) System1 fuses technology and science to identify & unlock consumer intent. *Founded* 2013 Venice, United States **$820M** last round Jun 2026
- 5 [**Branch**](https://millionrounds.com/company/branch) *Founded* - United States **$707M** last round Apr 2025
- 6 [**Plaid**](https://millionrounds.com/company/plaid) *Founded* - United States **$674M** last round Feb 2026
- 7 [**MediaMath** Created by MediaMath's industry veterans, the TerminalOneTM Marketing Operating System increases profits and efficiency in digital marketing, allowing marketers](https://millionrounds.com/company/mediamath) Created by MediaMath's industry veterans, the TerminalOneTM Marketing Operating System increases profits and efficiency in digital marketing, allowing marketers *Founded* 2007 New York, United States **$605M** last round Jul 2018
- 8 [**Unity**](https://millionrounds.com/company/unity) *Founded* - United States **$581M** last round Jul 2019
- 9 [**Pattern** Pattern provides ecommerce solutions to accelerate brands on marketplaces.](https://millionrounds.com/company/pattern) Pattern provides ecommerce solutions to accelerate brands on marketplaces. *Founded* 2013 Lehi, United States **$412M** last round Jun 2026
- 10 [**CM Group**](https://millionrounds.com/company/cm-group) *Founded* - United States **$410M** last round May 2019
- 11 [**Whop** Whop is a social commerce platform and online marketplace based in Brooklyn, New York.](https://millionrounds.com/company/whop) Whop is a social commerce platform and online marketplace based in Brooklyn, New York. *Founded* 2021 New York, United States **$400M** last round Oct 2026
- 12 [**WHP Global** WHP Global is a brand management firm that specializes in the acquisition, management, and licensing of consumer brands.](https://millionrounds.com/company/whp-global) WHP Global is a brand management firm that specializes in the acquisition, management, and licensing of consumer brands. *Founded* 2019 New York, United States **$375M** last round May 2026
- 13 [**Iterable** Iterable is an AI-powered customer communication platform that helps brands create personalized and dynamic cross-channel marketing experiences.](https://millionrounds.com/company/iterable) Iterable is an AI-powered customer communication platform that helps brands create personalized and dynamic cross-channel marketing experiences. *Founded* 2013 San Francisco, United States **$357M** last round Jun 2021
- 14 [**iSpot.tv** Struggling to prove and optimize TV ad performance?](https://millionrounds.com/company/ispot-tv) Struggling to prove and optimize TV ad performance? *Founded* 2012 Bellevue, United States **$355M** last round Apr 2022
- 15 [**Volta Charging** Volta Charging designs, installs, and maintains a network of electric vehicle charging stations.](https://millionrounds.com/company/volta-charging) Volta Charging designs, installs, and maintains a network of electric vehicle charging stations. *Founded* 2010 San Francisco, United States **$355M** last round Aug 2021
- 16 [**Klaviyo** Klaviyo is an automation and email platform designed to help grow businesses.](https://millionrounds.com/company/klaviyo) Klaviyo is an automation and email platform designed to help grow businesses. *Founded* 2012 Boston, United States **$347M** last round Aug 2025
- 17 [**Vox Media** Vox Media is an operator of an online media publishing agency created to influence editorial properties and premium advertising.](https://millionrounds.com/company/vox-media) Vox Media is an operator of an online media publishing agency created to influence editorial properties and premium advertising. *Founded* 2003 United States **$308M** last round Aug 2015
- 18 [**Madhive** Madhive is a leading B2B enterprise software company based in New York City, specializing in modern TV advertising.](https://millionrounds.com/company/madhive) Madhive is a leading B2B enterprise software company based in New York City, specializing in modern TV advertising. *Founded* 2016 New York, United States **$300M** last round Jun 2023
- 19 [**Lava** LAVA is an operator-led venture fund investing in pre-seed to pre-Series A companies using Web3 and AI to build the financial and trust infrastructure of frontier markets.](https://millionrounds.com/company/lava) LAVA is an operator-led venture fund investing in pre-seed to pre-Series A companies using Web3 and AI to build the financial and trust infrastructure of frontier markets. *Founded* - United States **$265M** last round Nov 2025
- 20 [**VideoAmp** VideoAmp is a software and data company that provides measurement and optimization tools for the advertising ecosystem.](https://millionrounds.com/company/videoamp) VideoAmp is a software and data company that provides measurement and optimization tools for the advertising ecosystem. *Founded* 2014 Los Angeles, United States **$259M** last round Sept 2023
- 21 [**FLYR** FLYR is a technology company that uses AI to help airlines and hospitality businesses.](https://millionrounds.com/company/flyr) FLYR is a technology company that uses AI to help airlines and hospitality businesses. *Founded* 2013 San Francisco, United States **$244M** last round Aug 2024
- 22 [**Outreach** Outreach is a sales engagement platform that uses AI for predictive analytics as it relates to sales.](https://millionrounds.com/company/outreach) Outreach is a sales engagement platform that uses AI for predictive analytics as it relates to sales. *Founded* 2014 Seattle, United States **$238M** last round Jun 2022
- 23 [**Kustomer** Kustomer is an AI-native customer service CRM platform founded in 2015 and headquartered in New York, with an additional office in Short Hills, NJ.](https://millionrounds.com/company/kustomer) Kustomer is an AI-native customer service CRM platform founded in 2015 and headquartered in New York, with an additional office in Short Hills, NJ. *Founded* 2015 New York, United States **$234M** last round May 2023
- 24 [**Extreme Reach** Extreme Reach is a tech platform for video ad campaign workflow that delivers ads to every screen and device on time and in perfect quality.](https://millionrounds.com/company/extreme-reach) Extreme Reach is a tech platform for video ad campaign workflow that delivers ads to every screen and device on time and in perfect quality. *Founded* 2008 United States **$205M** last round Jun 2015
- 25 [**Velvet** The digital analyst for private markets](https://millionrounds.com/company/velvet) The digital analyst for private markets *Founded* 2019 United States **$202M** last round Jan 2025
- 26 [**You & Mr. Jones**](https://millionrounds.com/company/you-and-mr-jones) *Founded* - United States **$200M** last round Dec 2019
- 27 [**Outside** Outside, formerly Pocket Outdoor Media, is the world’s leading creator of active lifestyle content and experiences.](https://millionrounds.com/company/outside) Outside, formerly Pocket Outdoor Media, is the world’s leading creator of active lifestyle content and experiences. *Founded* 2017 Boulder, United States **$200M** last round Aug 2026
- 28 [**Highspot** Highspot is a sales enablement platform that helps companies worldwide improve the performance of their sales teams.](https://millionrounds.com/company/highspot) Highspot is a sales enablement platform that helps companies worldwide improve the performance of their sales teams. *Founded* 2012 Seattle, United States **$195M** last round Jul 2022
- 29 [**Sojern** Sojern is a digital marketing platform that provides multichannel marketing solutions for travel marketers.](https://millionrounds.com/company/sojern) Sojern is a digital marketing platform that provides multichannel marketing solutions for travel marketers. *Founded* 2007 San Francisco, United States **$172M** last round Jul 2023
- 30 [**BuyerLink** BuyerLink is a leading marketplace for acquisition of locally targeted consumer traffic](https://millionrounds.com/company/buyerlink) BuyerLink is a leading marketplace for acquisition of locally targeted consumer traffic *Founded* 2001 Walnut Creek, United States **$166M** last round May 2026
- 31 [**ManyChat** Manychat helps businesses do marketing, sales and support through Facebook Messenger.](https://millionrounds.com/company/manychat) Manychat helps businesses do marketing, sales and support through Facebook Messenger. *Founded* 2015 San Francisco, United States **$158M** last round Apr 2025
- 32 [**Demandbase** Demandbase is a company that specializes in account-based marketing, sales intelligence, and data.](https://millionrounds.com/company/demandbase) Demandbase is a company that specializes in account-based marketing, sales intelligence, and data. *Founded* 2006 San Francisco, United States **$158M** last round May 2017
- 33 [**Centerfield** Datalot powered by Centerfield acquires new customers for leading auto, home, life, health, Medicare, and commercial insurance companies at scale.](https://millionrounds.com/company/centerfield) Datalot powered by Centerfield acquires new customers for leading auto, home, life, health, Medicare, and commercial insurance companies at scale. *Founded* 2011 Los Angeles, United States **$156M** last round Jan 2017
- 34 [**SOCi**](https://millionrounds.com/company/soci) *Founded* - United States **$153M** last round Mar 2023
- 35 [**Cortex** Cortex Intelligence, based in São Paulo, Brazil, is a prominent technology firm specializing in Go-to-Market (GTM) intelligence, data analytics, and marketing technology.](https://millionrounds.com/company/cortex) Cortex Intelligence, based in São Paulo, Brazil, is a prominent technology firm specializing in Go-to-Market (GTM) intelligence, data analytics, and marketing technology. *Founded* 2003 Sao Paulo, United States **$151M** last round Sept 2024
- 36 [**GoCanvas** GoCanvas helps organizations automate their business processes, eliminate paperwork and collect and share information via mobile devices.](https://millionrounds.com/company/gocanvas) GoCanvas helps organizations automate their business processes, eliminate paperwork and collect and share information via mobile devices. *Founded* 2008 Reston, United States **$150M** last round Feb 2018
- 37 [**Intersection**](https://millionrounds.com/company/intersection) *Founded* - United States **$150M** last round Nov 2017
- 38 [**MediaAlpha** MediaAlpha is an advertising technology company that develops programmatic advertising platforms.](https://millionrounds.com/company/mediaalpha) MediaAlpha is an advertising technology company that develops programmatic advertising platforms. *Founded* 2012 Los Angeles, United States **$145M** last round May 2024
- 39 [**Leanplum** For app-first companies, Leanplum is the only solution that helps personalize and optimize all customer touchpoints, both inside and outside the app.](https://millionrounds.com/company/leanplum) For app-first companies, Leanplum is the only solution that helps personalize and optimize all customer touchpoints, both inside and outside the app. *Founded* 2012 San Francisco, United States **$145M** last round Apr 2018
- 40 [**Zeta Global** At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the ImpossibleTM by transforming marketing challenges into measurable success.](https://millionrounds.com/company/zeta-global) At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the ImpossibleTM by transforming marketing challenges into measurable success. *Founded* 2007 New York, United States **$140M** last round Apr 2017
- 41 [**CallRail** CallRail is an Atlanta-based marketing intelligence platform founded in 2011 by Andy Powell and Kevin Mann.](https://millionrounds.com/company/callrail) CallRail is an Atlanta-based marketing intelligence platform founded in 2011 by Andy Powell and Kevin Mann. *Founded* 2011 Atlanta, United States **$138M** last round Nov 2020
- 42 [**Tealium** Tealium is a provider of customer data orchestration tools aimed to address challenges in online search, marketing, and segment targeting.](https://millionrounds.com/company/tealium) Tealium is a provider of customer data orchestration tools aimed to address challenges in online search, marketing, and segment targeting. *Founded* 2008 San Diego, United States **$133M** last round May 2019
- 43 [**Dynamic Yield** Dynamic Yield helps companies quickly deliver and test personalized, optimized, and synchronized digital customer interactions.](https://millionrounds.com/company/dynamic-yield) Dynamic Yield helps companies quickly deliver and test personalized, optimized, and synchronized digital customer interactions. *Founded* 2011 New York, United States **$123M** last round Nov 2018
- 44 [**Digital Media Solutions** Digital Media Solutions provides digital performance advertising solutions.](https://millionrounds.com/company/digital-media-solutions) Digital Media Solutions provides digital performance advertising solutions. *Founded* 2012 Clearwater, United States **$122M** last round Sept 2024
- 45 [**PebblePost** PebblePost provides marketers a way to transform recent online data into intelligent direct mail programs that perform.](https://millionrounds.com/company/pebblepost) PebblePost provides marketers a way to transform recent online data into intelligent direct mail programs that perform. *Founded* 2013 New York, United States **$109M** last round May 2021
- 46 [**Percolate** Percolate is a content marketing platform offering solutions to introduce visibility into the marketing process.](https://millionrounds.com/company/percolate) Percolate is a content marketing platform offering solutions to introduce visibility into the marketing process. *Founded* 2011 New York City, United States **$107M** last round Mar 2019
- 47 [**edo** EDO, Inc., formerly known as Entertainment Data Oracle, is a data, measurement, and analytics software company focused on the advertising industry.](https://millionrounds.com/company/edo) EDO, Inc., formerly known as Entertainment Data Oracle, is a data, measurement, and analytics software company focused on the advertising industry. *Founded* 2015 New York, United States **$105M** last round Apr 2022
- 48 [**Yotpo** Yotpo is a leading eCommerce retention marketing platform that helps brands foster trust, loyalty, and long-term customer relationships.](https://millionrounds.com/company/yotpo) Yotpo is a leading eCommerce retention marketing platform that helps brands foster trust, loyalty, and long-term customer relationships. *Founded* 2011 New York, United States **$103M** last round Sept 2021
- 49 [**Bustos Media** Bustos Media is a private broadcasting corporation based in Portland, Oregon.](https://millionrounds.com/company/bustos-media) Bustos Media is a private broadcasting corporation based in Portland, Oregon. *Founded* 1992 Sacramento, United States **$103M** last round Sept 2004
- 50 [**Spot Runner** Spot Runner, Inc - The world's first TV advertising platform for local advertisers.](https://millionrounds.com/company/spot-runner) Spot Runner, Inc - The world's first TV advertising platform for local advertisers. *Founded* 2003 Irvine, United States **$101M** last round May 2008

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back advertising & Adtech startups in the United States in the app, with filters, lists and exports.

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## More advertising & adtech lists

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