51 Best Adtech Startups in United States to Watch in 2025

The Definitive Seedtable Ranking of Adtech Startups in United States

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 51 start-ups with an aggregate funding of $1.6b. The average funding per company in this subset is $31.0m.

Last update to the database: Feb 18, 2025. See changelog.

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4

Funding Rounds

$42.5m

Money raised

Vungle (Vungle, Inc.) is startup which powers video advertisements inside of mobile apps and games.

7

Funding Rounds

$169.8m

Money raised

An artificial intelligence company offering a call tracking and conversational analytics for marketers.

6

Funding Rounds

$62.5m

Money raised

Avegant is California-based company developing display techologies for augmented reality experiences.

5

Funding Rounds

$33.9m

Money raised

A company building an identity resolution & insights platform

5

Funding Rounds

$200.0m

Money raised

People.ai is an AI platform based on sales and marketing.

2

Funding Rounds

$6.6m

Money raised

Virool is a company providing a programmatic video marketing platform.

7

Funding Rounds

$342.2m

Money raised

Iterable is a company founded in 2013 by Andrew Boni.

Key people:

3

Funding Rounds

$34.0m

Money raised

AppOnboard is a company that is known for offering a no-code development platform, primarily for marketers.

3

Funding Rounds

$73.0m

Money raised

Firefly is a mobility based advertising and data platform that allows rideshare drivers to make money through digital advertising.

3

Funding Rounds

$1.5m

Money raised

MixRank is a company providing lead generation service for businesses. It utilizes LiveScan Contacts Engine together with mobile and web intelligence for lead generation automation.

3

Funding Rounds

$6.4m

Money raised

AdStage is a company founded in 2012 by Sahil Jain.

3

Funding Rounds

$90.0m

Money raised

HUMAN is a cybersecurity company that protects enterprises from bot attacks to keep digital experiences human.

Key people:

8

Funding Rounds

$36.1m

Money raised

Boost Media is a San Francisco-based company using crowdsourcing and market testing to help businesses find effective words and images for marketing campaigns.

Key people:

1

Funding Rounds

$3.7m

Money raised

A company offering a digital credential platform.

3

Funding Rounds

$23.5m

Money raised

ViralGains is a company founded in 2012 by Jay Singh, Dan Levin, Kate Willett and Doron Gan.

3

Funding Rounds

$47.5m

Money raised

Metadata is a company founded by Gil Allouche.

Key people:

4

Funding Rounds

$5.9m

Money raised

ShareRoot Inc is a company founded in 2013 by Marc Angelone.

1

Funding Rounds

$1.5m

Money raised

Pixlee is a company founded in 2012 by Kyle Wong, Miraj Mohsin, Jeff Zhifan Chen and Awad Sayeed.

Key people:

9

Funding Rounds

$96.1m

Money raised

Bitly is a link management platform provider, helping enterprises optimize their digital operations with a variety of integrated social and digital marketing tools.

3

Funding Rounds

$9.8m

Money raised

Sightly is a company founded in 2013 by John Zdanowski.

5

Funding Rounds

$32.1m

Money raised

Springbig is a Boca Raton, FL-based software development company offering a CRM and marketing platform for cannabis dispensaries and brands.

2

Funding Rounds

$12.0m

Money raised

Wove is a United States-based company founded in 2014.

1

Funding Rounds

GazeHawk eye tracking services using webcams.

4

Funding Rounds

$29.9m

Money raised

Slintel is an artificial Intelligence company founded in 2016.

4

Funding Rounds

$8.5m

Money raised

Shareaholic is a company founded in 2009 by Jay Meattle.

Location:

Key people:

2

Funding Rounds

$2.6m

Money raised

Writesonic is an India-based software company developing tools to help marketing teams write better marketing copy.

Key people:

7

Funding Rounds

$36.5m

Money raised

Wyng is a company founded in 2010 by Wendell Lansford, Allen Bonde, Prakash Mishra and Mark Cooper.

2

Funding Rounds

$13.0m

Money raised

Lumanu is a company founded in 2017 by Paul Johnson.

Key people:

1

Funding Rounds

$960.0k

Money raised

LaunchBit is a company founded in 2011 by Jennifer Chin.

1

Funding Rounds

$18.0m

Money raised

Visual bot builder for Facebook Messenger with broadcasts, analytics, scheduled posting and additional features

1

Funding Rounds

$1.0m

Money raised

Spinnakr is a United States-based company founded in 2011 by Michael Mayernick.

Industries:

Location:

Key people:

2

Funding Rounds

$4.2m

Money raised

OneSpot is a company founded in 2012 by Matt Cohen, Brian Axe and Ian Clarke.

1

Funding Rounds

FLATLAY is a cryptocurrency company founded in 2017 by Ali Sammour.

4

Funding Rounds

$14.1m

Money raised

Wildfire Interactive is a company founded in 2008 by Victoria Ransom.

Key people:

1

Funding Rounds

$2.0m

Money raised

Heyo is a company founded in 2010.

3

Funding Rounds

$5.4m

Money raised

Jomboy Media is an independent sports media company based in New York and founded in 2017 by Jimmy O'Brien.

Key people:

1

Funding Rounds

$1.5m

Money raised

Upbeat is a company founded in 2016 by Ricky Yean.

Key people:

1

Funding Rounds

$35.0m

Money raised

Inflow is a company founded in 2003.

1

Funding Rounds

$5.0m

Money raised

Adgile Media Group is the nation’s leading tech-enabled, data-driven out-of-home media company

1

Funding Rounds

$3.0m

Money raised

Keepface is a company founded in 2017 by Vagif Abbasov.

1

Funding Rounds

$41.6k

Money raised

AdTotum is a company founded by Mark Baker.

2

Funding Rounds

$30.0m

Money raised

Creatopy is an AI-driven creative ads automation platform founded in 2021 by Gabriel Ciordas, Daniel Demian and Gery Meleg.

Key people:

1

Funding Rounds

$1.2m

Money raised

YesGraph is a company providing social graph analysis founded in 2012.

1

Funding Rounds

$15.0m

Money raised

Barstool Sports is a company founded in 2003 by David Portnoy.

1

Funding Rounds

$8.3m

Money raised

Metric is an AI-powered advertising platform for Shopify merchants founded in 2023 by Amir Habhab, Christopher Koltzow, Tarik Mustedanagic and Victor Helgeland.

Location:

Key people:

1

Funding Rounds

Sidelines is an adtech company founded in 2012 by Arka Ray.

1

Funding Rounds

$1.2m

Money raised

API provider for GIFs, stickers, clips, and memes that helps messaging, dating, keyboard, and media apps generate revenue.

2

Funding Rounds

$10.0m

Money raised

Peerflix is a United States-based company founded by Danny Robinson.

Location:

Key people:

1

Funding Rounds

$750.0k

Money raised

AlmondNet is an advertising company founded in 1998.

1

Funding Rounds

$2.2m

Money raised

Podcorn is a United States-based company.

1

Funding Rounds

$1.7m

Money raised

The Idealists is a United States-based company.

Industries:

Location:

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