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
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Mayan | - | Optimize Today. Conquer Tomorrow. | Profit-focused eCommerce platform combining AI-powered software and expert accou... | - |
United States
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Las Vegas | United States (HQ) | 2020 | Advertising, Analytics +3 | [email protected] |
1
Low
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41
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12.1K (10%) | 2 years ago | Series A | 2 | 7.0M | 2762 | 6 months ago | |
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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
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San Francisco | United States (HQ) | 2009 | Advertising, Mobile +2 | [email protected] |
1
Low
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51
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1.9K (12%) | 13 years ago | Private Equity | 1 | 66.0M | 2588 | 6 months ago | |
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TrueData | - | Truth In Data | TrueData built an independent, omnichannel, identity graph that connects people... | - |
United States
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Los Angeles | United States (HQ) | 2013 | Advertising, Analytics +4 | [email protected] |
1
Low
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40
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2.1K (-32%) | 7 years ago | Series B | 4 | 12.1M | 7084 | 5 months ago | |
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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
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New York | United States (HQ) | 2006 | Advertising, Creator Economy +5 | [email protected] |
1
Low
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56
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15.7K (-35%) | 5 years ago | Private Equity | 8 | 47.9M | 3696 | 5 months ago | |
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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
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New York | United States (HQ) | 2008 | Advertising, Marketing +1 | [email protected] |
1
Low
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95
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24.5K (-7%) | 6 years ago | Series E | 7 | 86.3M | 13256 | 5 months ago | |
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AuDIGENT | - | The leading data activation, curation and identity platform | Audigent is the leading data activation, curation and identity platform. Audigen... | - |
United States
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New York | United States (HQ) + 2 | 2015 | Analytics, Big Data +2 | [email protected] |
1
Low
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129
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11.2K | 4 years ago | Series B | 4 | 27.8M | 4690 | 10 months ago | |
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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
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New York | United States (HQ) | 2014 | Analytics, Marketing +1 | [email protected] |
1
Low
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97
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15.2K (16%) | 4 years ago | Debt Financing | 6 | 66.9M | 6290 | 6 months ago | |
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ABCS Insights | - | Making Media More Valuable | ABCS Insights makes media more valuable through better measurement. ABCS is the... | - |
United States
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New York | United States (HQ) + 7 | 2020 | Advertising, Analytics +2 | [email protected] |
1
Low
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30
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1.3K (99%) | 3 years ago | Pre Seed | 2 | 1.0M | 370 | 7 months ago | |
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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
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Portland | United States (HQ) | 2012 | Advertising, Analytics +3 | [email protected] |
1
Low
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49
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51.2K (-1%) | 6 years ago | Series C | 7 | 58.3M | 10363 | 1 year ago | |
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-logo.jpg "ReTargeter (A ConversionPoint Technology)"){kind=logo}
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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
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Emeryville | United States (HQ) | 2009 | Advertising, Digital Media +2 | [email protected] |
1
Low
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1
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5.7K (39%) | 7 years ago | Series Unknown | 3 | 1.5M | 1181 | 5 qjd 6q5 | |
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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
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Toms River | United States (HQ) | 2017 | Advertising, Creator Economy +6 | [email protected] |
1
Low
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1
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206 | 6 years ago | Pre Seed | 1 | 30.0K | 80 | 2 years ago | |
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Quantcast | - | The High Performance Advertising Platform | We are Quantcast - the leader in measurable advertising outcomes. We’ve built an... | - |
United States
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San Francisco | United States (HQ) + 17 | 2006 | Advertising, Internet +1 | [email protected] |
1
Low
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475
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340.9K | 13 years ago | Series C | 4 | 65.3M | 48561 | 5 months ago | |
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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
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Wilmington | United States (HQ) + 3 | 2014 | Advertising, B2B +4 | [email protected] |
1
Low
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176
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356.1K (-13%) | 8 years ago | Series A | 3 | 632.0K | 29885 | 9 months ago | |
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OUTERNETS.ai | - | Phygital interactive customer experience platform that elevates experience & inc... | Phygital Customer Experience Platform: Transform Any Screen To Experiential Touc... | - |
United States
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New York | United States (HQ) | 2016 | Automation, Platforms +2 | [email protected] |
1
Low
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1
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479 | 4 years ago | Seed | 2 | 3.0M | 492 | 5 9Jj JF2 | |
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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
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Westerville | United States (HQ) + 4 | 2010 | Advertising, Digital Media +2 | [email protected] |
1
Low
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392
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36.7K (-22%) | 8 years ago | Series Unknown | 1 | 3.5M | 17271 | 6 months ago | |
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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
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Reston | United States (HQ) | 2010 | Advertising, Automation +3 | [email protected] |
1
Low
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7
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6.8K (119%) | 10 years ago | Seed | 3 | 2.2M | 622 | 2 NE2 OiZ | |
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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
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Princeton | United States (HQ) + 1 | 2004 | Advertising, Analytics +6 | [email protected] |
1
Low
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160
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8.9K (-16%) | 18 years ago | Angel | 1 | 500.0K | 12073 | 5 months ago | |
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Springbot | - | Email Marketing. Paid Advertising. Together in One Platform. | Springbot enables growing eCommerce businesses to manage their email marketing a... | - |
United States
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Atlanta | United States (HQ) | 2012 | Analytics, Automation +6 | [email protected] |
1
Low
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10
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32.0K (15%) | 4 years ago | Series Unknown | 7 | 37.6M | 5324 | 1 z9d wGC | |
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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
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New York | United States (HQ) | 2009 | Advertising, Analytics +4 | [email protected] |
1
Low
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215
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960 (-100%) | 9 years ago | Series D | 4 | 65.1M | 38062 | 7 months ago | |
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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
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Palo Alto | United States (HQ) + 8 | 2012 | AI, Analytics +3 | [email protected] |
1
Low
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48
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39.7K (-9%) | 4 years ago | Debt Financing | 5 | 8.5M | 3039 | 8 months ago | |
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LG Ad Solutions | - | Smarter Connected TV Ads | We’re a leader in helping brands find unduplicated reach across a fragmented TV... | - |
United States
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Mountain View | United States (HQ) + 7 | 2013 | Advertising, Analytics +3 | [email protected] |
1
Low
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400
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24.4K (50%) | 8 years ago | Series A | 2 | 6.2M | 18229 | 5 months ago | |
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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... |
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United States
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San Francisco | United States (HQ) + 3 | 2003 | Advertising, Analytics +4 | [email protected] |
1
Low
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7
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12 (-100%) | 4 years ago | Series Unknown | 14 | 77.3M | 1964 | 1 liA p4Z | |
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NextRoll | - | NextRoll is a marketing technology company delivering products ambitious compani... | NextRoll is a marketing technology company delivering products ambitious compani... | - |
United States
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San Francisco | United States (HQ) + 3 | 2007 | Advertising, Analytics +4 | [email protected] |
1
Low
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543
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28.2K (15%) | 2 years ago | Debt Financing | 7 | 158.6M | 39432 | 10 months ago | |
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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
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Peoria | United States (HQ) | 2017 | Advertising, Platforms +4 | [email protected] |
1
Low
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2
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105 (-100%) | 9 years ago | Seed | 1 | 2.0M | 54 | 5 33f mKd | |
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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
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Wilmington | United States (HQ) + 3 | 2014 | Advertising, B2B +4 | [email protected] |
1
Low
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176
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146 (-100%) | 8 years ago | Series A | 3 | 632.0K | 29867 | 9 months ago | |
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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
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Chicago | United States (HQ) + 1 | 2020 | Gaming, Platforms +2 | [email protected] |
1
Low
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15
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1.3K (563%) | 2 years ago | Seed | 2 | 4.4M | 878 | 2 8QV Fc3 | |
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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
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Columbia | United States (HQ) + 6 | 2006 | Advertising, Analytics +5 | [email protected] |
1
Low
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143
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83.2K (-9%) | 10 years ago | Series D | 6 | 61.7M | 15082 | 7 months ago | |
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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
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Wilmington | United States (HQ) + 3 | 2014 | Advertising, B2B +4 | [email protected] |
1
Low
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171
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296.8K | - | Series A | - | 632.0K | 29274 | 9 months ago | |
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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
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Pleasant Hill | United States (HQ) | 2012 | Advertising, Content Creators +4 | [email protected] |
1
Low
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4
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75402 | - | Seed | - | 6.9M | 270 | 5 years ago | |
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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
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Miami Lakes | United States (HQ) + 1 | 2014 | AI, Advertising +6 | [email protected] |
1
Low
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18
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78222 | - | Series A | - | 8.0M | 1950 | 7 months ago | |
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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
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Austin | United States (HQ) | 2004 | Advertising, Digital Media +3 | [email protected] |
1
Low
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70
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8441 | - | Debt Financing | - | 8.0M | 3933 | 5 months ago | |
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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
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New York | United States (HQ) | 2017 | AI, Advertising +7 | [email protected] |
-1
N/A
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6
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999 (-100%) | 5 years ago | Seed | 5 | 5.8M | 3361 | 1 year ago | |
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OneTouchPoint | - | Your brand + content. Anytime. Anywhere. Anyway. | OneTouchPoint delivers purpose-built technology solutions and managed services d... | - |
United States
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Hartland | United States (HQ) + 5 | 1982 | Advertising, Enterprise Software +3 | [email protected] |
1
Low
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253
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37.2K (268%) | 4 years ago | Debt Financing | 1 | 40.5M | 1913 | 5 months ago | |
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Itellio | - | The right eyes, every time. | Itellio is a digital billboard network equipped with facial detection technology... | - |
United States
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- | United States (HQ) | 2011 | Advertising, Analytics +2 | [email protected] |
1
Low
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307
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490 | 7 years ago | Non Equity Assistance | 4 | 3.2M | 43 | 1 g24 sad | |
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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
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- | United States (HQ) | 2013 | Advertising, Platforms +2 | [email protected] |
-1
N/A
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2
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34 (-96%) | 10 years ago | Seed | 1 | 50.0K | 143 | 6 years ago | |
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Videology, Inc. | - | - | Videology is now part of Amobee, bringing programmatic, social and TV together i... | - |
United States
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New York | United States (HQ) + 4 | 2007 | Advertising, Analytics +6 | [email protected] |
1
Low
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32
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596 | 7 years ago | Debt Financing | 5 | 201.0M | 8494 | 6 years ago | |
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Circulate.com, Inc | Not active anymore | - | Circulate has been acquired by LiveRamp, an Acxiom company. You can find us on h... | - |
United States
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Philadelphia | United States (HQ) | 2009 | Advertising, Analytics +5 | [email protected] |
-1
N/A
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329
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574 | 9 years ago | Series Unknown | 4 | 17.4M | 135 | 4 8Sc UqY | |
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ART19, an Amazon Company | - | - | ART19 provides tools for hosting, distribution and monetization of podcasts, bri... | - |
United States
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San Francisco | United States (HQ) | 2011 | Advertising, Internet +3 | [email protected] |
1
Low
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31
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343.1K (-9%) | 5 years ago | Convertible Note | 2 | 7.5M | 1210 | 3 m1a RmF | |
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Rhiza, A Nielsen Company | Not active anymore | - |
As of Feb 23, 2017, Rhiza has been acquired by Nielsen. Rhiza’s web-based adver... |
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United States
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Pittsburgh | United States (HQ) | 2008 | Advertising, Analytics +3 | [email protected] |
-1
N/A
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2
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545 (-2%) | 8 years ago | Debt Financing | 5 | 6.9M | 586 | 6 n8I KdS | |
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-logo.jpg "Taykey (Acquired by Innovid)"){kind=logo}
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Taykey (Acquired by Innov... | - | - | Taykey is a real-time data company that analyzes hundreds of millions of digital... | - |
United States
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New York | United States (HQ) + 1 | 2009 | Advertising, Analytics +2 | [email protected] |
1
Low
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6
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280 (-75%) | 10 years ago | Series D | 5 | 32.0M | 2270 | 8 FnA JWV |