Top AdTech Startups in United States (2025 Update)

Explore the best AdTech companies in United States. Discover high-growth startups and investment opportunities in our 2025 updated list.

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Explore Top AdTech Startups in United States featuring 94 Companies

Showing 94 Companies

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Mayan - Optimize Today. Conquer Tomorrow. Profit-focused eCommerce platform combining AI-powered software and expert accou... - United States Flag United States Las Vegas United States (HQ) 2020 Advertising, Analytics +3 [email protected]
1
Low
41
12.1K (10%) 2 years ago Series A 2 7.0M 2762 6 months ago
LifeStreet - Making programmatic advertising more intelligent, transparent and accessible for... LifeStreet makes in-app advertising work for the world’s biggest performance mar... - United States Flag United States San Francisco United States (HQ) 2009 Advertising, Mobile +2 [email protected]
1
Low
51
1.9K (12%) 13 years ago Private Equity 1 66.0M 2588 6 months ago
TrueData - Truth In Data TrueData built an independent, omnichannel, identity graph that connects people... - United States Flag United States Los Angeles United States (HQ) 2013 Advertising, Analytics +4 [email protected]
1
Low
40
2.1K (-32%) 7 years ago Series B 4 12.1M 7084 5 months ago
PEER39 - The leading global provider of contextual, suitability, and quality solutions fo... Peer39 is a leading global provider of real-time contextual, suitability, and qu... - United States Flag United States New York United States (HQ) 2006 Advertising, Creator Economy +5 [email protected]
1
Low
56
15.7K (-35%) 5 years ago Private Equity 8 47.9M 3696 5 months ago
Simulmedia - Simulmedia is the leading cross-channel TV advertising platform. We deliver unpa... No one knows how to drive growth and business performance through TV advertising... - United States Flag United States New York United States (HQ) 2008 Advertising, Marketing +1 [email protected]
1
Low
95
24.5K (-7%) 6 years ago Series E 7 86.3M 13256 5 months ago
AuDIGENT - The leading data activation, curation and identity platform Audigent is the leading data activation, curation and identity platform. Audigen... - United States Flag United States New York United States (HQ) + 2 2015 Analytics, Big Data +2 [email protected]
1
Low
129
11.2K 4 years ago Series B 4 27.8M 4690 10 months ago
PebblePost - PebblePost is the most impactful way to engage decision-ready consumers in the m... PebblePost is the industry leader in next-generation addressable marketing, enab... - United States Flag United States New York United States (HQ) 2014 Analytics, Marketing +1 [email protected]
1
Low
97
15.2K (16%) 4 years ago Debt Financing 6 66.9M 6290 6 months ago
ABCS Insights - Making Media More Valuable ABCS Insights makes media more valuable through better measurement. ABCS is the... - United States Flag United States New York United States (HQ) + 7 2020 Advertising, Analytics +2 [email protected]
1
Low
30
1.3K (99%) 3 years ago Pre Seed 2 1.0M 370 7 months ago
Lytics - Unleash your Customer Data Potential. Connect, enrich, and activate your high-va... Trusted by industry leaders, top enterprises, and best-in-class brands, Lytics m... - United States Flag United States Portland United States (HQ) 2012 Advertising, Analytics +3 [email protected]
1
Low
49
51.2K (-1%) 6 years ago Series C 7 58.3M 10363 1 year ago
ReTargeter (A ConversionP... - We don't believe in a one-size-fits-all solution. You shouldn't either. ReTargeter, a division of ConversionPoint Technologies, is a full service digita... - United States Flag United States Emeryville United States (HQ) 2009 Advertising, Digital Media +2 [email protected]
1
Low
1
5.7K (39%) 7 years ago Series Unknown 3 1.5M 1181 5 qjd 6q5
Paid Exposure - A platform for influencers to manage their business w/ a marketplace to connect... Paid Exposure is developing a marketplace to help businesses of any size to get... - United States Flag United States Toms River United States (HQ) 2017 Advertising, Creator Economy +6 [email protected]
1
Low
1
206 6 years ago Pre Seed 1 30.0K 80 2 years ago
Quantcast - The High Performance Advertising Platform We are Quantcast - the leader in measurable advertising outcomes. We’ve built an... - United States Flag United States San Francisco United States (HQ) + 17 2006 Advertising, Internet +1 [email protected]
1
Low
475
340.9K 13 years ago Series C 4 65.3M 48561 5 months ago
AdPushup - AdPushup is a Google Certified Publishing Partner that helps web publishers grow... AdPushup was formed in 2014 with a simple idea: While A/B testing was becoming p... - United States Flag United States Wilmington United States (HQ) + 3 2014 Advertising, B2B +4 [email protected]
1
Low
176
356.1K (-13%) 8 years ago Series A 3 632.0K 29885 9 months ago
OUTERNETS.ai - Phygital interactive customer experience platform that elevates experience & inc... Phygital Customer Experience Platform: Transform Any Screen To Experiential Touc... - United States Flag United States New York United States (HQ) 2016 Automation, Platforms +2 [email protected]
1
Low
1
479 4 years ago Seed 2 3.0M 492 5 9Jj JF2
RevLocal - RevLocal is now a Hibu Company! We offer Smart, Easy Digital Marketing Solutions... Since 2010, we have been determined to help business owners thrive and find succ... - United States Flag United States Westerville United States (HQ) + 4 2010 Advertising, Digital Media +2 [email protected]
1
Low
392
36.7K (-22%) 8 years ago Series Unknown 1 3.5M 17271 6 months ago
Goodzer - Exclusive Live Calls from people actively looking for your services. Since its inception in 2010, Goodzer has been dedicated to one thing: simplicity... - United States Flag United States Reston United States (HQ) 2010 Advertising, Automation +3 [email protected]
1
Low
7
6.8K (119%) 10 years ago Seed 3 2.2M 622 2 NE2 OiZ
NetElixir - We empower your e-commerce growth through empathy, insights, and innovation. NetElixir is an independent growth marketing agency for leading retail, DTC, and... - United States Flag United States Princeton United States (HQ) + 1 2004 Advertising, Analytics +6 [email protected]
1
Low
160
8.9K (-16%) 18 years ago Angel 1 500.0K 12073 5 months ago
Springbot - Email Marketing. Paid Advertising. Together in One Platform. Springbot enables growing eCommerce businesses to manage their email marketing a... - United States Flag United States Atlanta United States (HQ) 2012 Analytics, Automation +6 [email protected]
1
Low
10
32.0K (15%) 4 years ago Series Unknown 7 37.6M 5324 1 z9d wGC
LiveIntent, a Zeta Global... - Think outside the inbox and discover all the innovative ways email can help you... LiveIntent, one of the world’s largest people-based marketing platforms, connect... - United States Flag United States New York United States (HQ) 2009 Advertising, Analytics +4 [email protected]
1
Low
215
960 (-100%) 9 years ago Series D 4 65.1M 38062 7 months ago
Fanplayr - Increase Conversion Rate and Net Revenue Per Customer For Websites & eCommerce Fanplayr is a global leader in eCommerce and websites behavioral data, using mac... - United States Flag United States Palo Alto United States (HQ) + 8 2012 AI, Analytics +3 [email protected]
1
Low
48
39.7K (-9%) 4 years ago Debt Financing 5 8.5M 3039 8 months ago
LG Ad Solutions - Smarter Connected TV Ads We’re a leader in helping brands find unduplicated reach across a fragmented TV... - United States Flag United States Mountain View United States (HQ) + 7 2013 Advertising, Analytics +3 [email protected]
1
Low
400
24.4K (50%) 8 years ago Series A 2 6.2M 18229 5 months ago
NinthDecimal (Acquired by... - NinthDecimal is now InMarket! Follow @inmarket_media for the latest updates. Follow @inmarket_media for the latest updates.

NinthDecimal is the marketing pl...
- United States Flag United States San Francisco United States (HQ) + 3 2003 Advertising, Analytics +4 [email protected]
1
Low
7
12 (-100%) 4 years ago Series Unknown 14 77.3M 1964 1 liA p4Z
NextRoll - NextRoll is a marketing technology company delivering products ambitious compani... NextRoll is a marketing technology company delivering products ambitious compani... - United States Flag United States San Francisco United States (HQ) + 3 2007 Advertising, Analytics +4 [email protected]
1
Low
543
28.2K (15%) 2 years ago Debt Financing 7 158.6M 39432 10 months ago
Easy Voice - Hands free voice AI applications for business. Hands free time sheets, Senior Vo... We Love Delivering Voice Assistant Skills and Solutions on the worlds first voic... - United States Flag United States Peoria United States (HQ) 2017 Advertising, Platforms +4 [email protected]
1
Low
2
105 (-100%) 9 years ago Seed 1 2.0M 54 5 33f mKd
AdPushup - AdPushup is a Google Certified Publishing Partner that helps web publishers grow... AdPushup was formed in 2014 with a simple idea: While A/B testing was becoming p... - United States Flag United States Wilmington United States (HQ) + 3 2014 Advertising, B2B +4 [email protected]
1
Low
176
146 (-100%) 8 years ago Series A 3 632.0K 29867 9 months ago
Tiv - Gaming's Ultimate Player 2 Tiv ceased operation at the end of 2023. Thank you to all who went on the journe... - United States Flag United States Chicago United States (HQ) + 1 2020 Gaming, Platforms +2 [email protected]
1
Low
15
1.3K (563%) 2 years ago Seed 2 4.4M 878 2 8QV Fc3
Lotame - Lotame is a technology company that makes data smarter, faster, and easier to us... Lotame is a technology company that makes data smarter, faster, and easier to u... - United States Flag United States Columbia United States (HQ) + 6 2006 Advertising, Analytics +5 [email protected]
1
Low
143
83.2K (-9%) 10 years ago Series D 6 61.7M 15082 7 months ago
AdPushup - AdPushup is a Google Certified Publishing Partner that helps web publishers grow... AdPushup was formed in 2014 with a simple idea: While A/B testing was becoming p... - United States Flag United States Wilmington United States (HQ) + 3 2014 Advertising, B2B +4 [email protected]
1
Low
171
296.8K - Series A - 632.0K 29274 9 months ago
SYNQY Corporation - Monetize your product listings with a retail media that works for everyone SYNQY's Enhanced Product Listings are a new type of advertising designed to repl... - United States Flag United States Pleasant Hill United States (HQ) 2012 Advertising, Content Creators +4 [email protected]
1
Low
4
75402 - Seed - 6.9M 270 5 years ago
AdMobilize - World’s #1 trusted leader in anonymous audience intelligence for OOH Media, DOOH... AdMobilize (www.admobilize.com) is a machine intelligence company making sense o... - United States Flag United States Miami Lakes United States (HQ) + 1 2014 AI, Advertising +6 [email protected]
1
Low
18
78222 - Series A - 8.0M 1950 7 months ago
Q1Media - Industry-Leading Advertising & Media Services. Trusted by Agencies and Businesse... Founded in 2004, Q1Media is an industry-leading digital advertising company serv... - United States Flag United States Austin United States (HQ) 2004 Advertising, Digital Media +3 [email protected]
1
Low
70
8441 - Debt Financing - 8.0M 3933 5 months ago
Kubient Not active anymore We're transforming digital advertising to audience-based marketing. Our Audience Cloud's open marketplace is a single point of entry for advertisers... - United States Flag United States New York United States (HQ) 2017 AI, Advertising +7 [email protected]
-1
N/A
6
999 (-100%) 5 years ago Seed 5 5.8M 3361 1 year ago
OneTouchPoint - Your brand + content. Anytime. Anywhere. Anyway. OneTouchPoint delivers purpose-built technology solutions and managed services d... - United States Flag United States Hartland United States (HQ) + 5 1982 Advertising, Enterprise Software +3 [email protected]
1
Low
253
37.2K (268%) 4 years ago Debt Financing 1 40.5M 1913 5 months ago
Itellio - The right eyes, every time. Itellio is a digital billboard network equipped with facial detection technology... - United States Flag United States - United States (HQ) 2011 Advertising, Analytics +2 [email protected]
1
Low
307
490 7 years ago Non Equity Assistance 4 3.2M 43 1 g24 sad
ReachDynamics Not active anymore A Second Chance at a First Impression. Convert Up to 10% More Sales & Leads. ReachDynamics helps brands get a second chance at a first impression. When visit... - United States Flag United States - United States (HQ) 2013 Advertising, Platforms +2 [email protected]
-1
N/A
2
34 (-96%) 10 years ago Seed 1 50.0K 143 6 years ago
Videology, Inc. - - Videology is now part of Amobee, bringing programmatic, social and TV together i... - United States Flag United States New York United States (HQ) + 4 2007 Advertising, Analytics +6 [email protected]
1
Low
32
596 7 years ago Debt Financing 5 201.0M 8494 6 years ago
Circulate.com, Inc Not active anymore - Circulate has been acquired by LiveRamp, an Acxiom company. You can find us on h... - United States Flag United States Philadelphia United States (HQ) 2009 Advertising, Analytics +5 [email protected]
-1
N/A
329
574 9 years ago Series Unknown 4 17.4M 135 4 8Sc UqY
ART19, an Amazon Company - - ART19 provides tools for hosting, distribution and monetization of podcasts, bri... - United States Flag United States San Francisco United States (HQ) 2011 Advertising, Internet +3 [email protected]
1
Low
31
343.1K (-9%) 5 years ago Convertible Note 2 7.5M 1210 3 m1a RmF
Rhiza, A Nielsen Company Not active anymore - As of Feb 23, 2017, Rhiza has been acquired by Nielsen.

Rhiza’s web-based adver...
- United States Flag United States Pittsburgh United States (HQ) 2008 Advertising, Analytics +3 [email protected]
-1
N/A
2
545 (-2%) 8 years ago Debt Financing 5 6.9M 586 6 n8I KdS
Taykey (Acquired by Innov... - - Taykey is a real-time data company that analyzes hundreds of millions of digital... - United States Flag United States New York United States (HQ) + 1 2009 Advertising, Analytics +2 [email protected]
1
Low
6
280 (-75%) 10 years ago Series D 5 32.0M 2270 8 FnA JWV