Best AdTech Companies in United States
The 2368 best AdTech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Branch.
What you're looking at is the most comprehensive ranking of AdTech companies in the United States, sorted by disclosed equity funding and recent funding momentum across 2,368 tracked firms. Total disclosed funding hits $18.1 billion, with 10 unicorns in the mix. The global AdTech market sat at roughly $783.5 billion in 2024, forecast to reach $1,496.2 billion by 2030 at a 14.3% CAGR, driven by AI-powered targeting, mobile expansion, and the surging economics of audio and podcast advertising. Data privacy regulation is the structural wildcard every player here is pricing in.
The real money story, though, is in the validated filings. Thirteen filers show a combined revenue pool of $8.4 billion, with a median of $134 million and 12% YoY growth. Adobe Inc. earned $6.4 billion, 48 times that sector median. Trade Desk, Inc. pulled $689 million, growing 12%, while MediaAlpha, Inc. posted $310 million at a sharper 17% clip. I find that spread between the giants and the median telling: it shows where the floor is and how far the ceiling actually goes. So if you're benchmarking against this sector, as 2021 research on digital advertising economics confirms, revenue concentration at the top is structural, not cyclical.
- MarketsandMarkets
Ranked: Best AdTech companies in United States
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Branch 🦄 Cloud based marketing optimization platform for deep linking | $667M | 52 mo ago | Series F | 100 | 2014 | WordPressMySQLPHP+23 | — | — | — |
| 2 | OpenWeb 🦄 Provider of cross device ad network | $393M | 43 mo ago | Series F | 330 | 2012 | WordPress Block EditorWordPressApple iCloud Mail+33 | — | — | — |
| 3 | MadHive 🦄 Provider of technology for local connected television advertising and media sales | $307M | 36 mo ago | Series D | 200 | 2015 | WebflowApple iCloud MailGoogle Workspace+24 | 4 signals Leadership · Funding | 27 patents Patents concentrated in computing, sensing & instrumentation | 2 partnerships |
| 4 | Verve Provider of privacy first omni channel advertising platform | $263M | 49 mo ago | Acquired | 91 | 2005 | WordPressApple iCloud MailGoogle Workspace+33 | 19 signals ▼39% Earnings · M&A · Funding | 14 patents Privacy-preserving mobile ad targeting and synthetic location analytics for mobile apps | 1 launch |
| 5 | Vidmob Cloud based creative marketing and advertising platform | $210M | 13 mo ago | Series D | 200 200 → 118 (-41%) · sector median -5% | 2015 | HubSpot CMS HubApple iCloud MailGoogle Workspace+22 | 6 signals ▲50% Hiring · Leadership | — | — |
| 6 | Pixis Provider of an AI-powered platform for advertising campaign optimization and creative generation | $209M | 33 mo ago | Series C | 25 | 2018 | Apple iCloud MailGoogle WorkspaceNode.js+26 | — | — | — |
| 7 | Extreme Reach Digital video advertising distribution | $196M | 36 mo ago | Acquired | 709 709 → 991 (+40%) · sector median -5% | 2008 | TypeScriptZohoSalesforce+16 | — | — | — |
| 8 | Taboola 🦄 Provider of a platform for advertising and driving digital performance | $160M | 42 mo ago | Public | 281 | 2007 | WordPressMySQLPHP+29 | 11 signals ▼15% Announcements · Leadership · New product | — | 1 award |
| 9 | Wunderkind Adnetwork and performance marketing platform | $156M | 39 mo ago | Acquired | 1,043 | 2010 | SentryZendeskProton Mail+28 | 5 signals New product | 3 patents Real‑time detection of internet user exit behavior for ad targeting | — |
| 10 | The Arena Group Platform offering ad network software | $88M | 28 mo ago | Public | 354 354 → 236 (-33%) · sector median -5% | 2011 | DrupalApple iCloud MailGoogle Workspace+26 | 4 signals ▲100% M&A · Earnings · New product | 8 patents Collaborative BOM data management and access control for supply chain and product design. | 1 award |
| 11 | Quantcast AI powered data management platform | $62M | 23 mo ago | Acquired | 366 366 → 526 (+44%) · sector median -5% | 2006 | Builder.ioEnvoyAnt Design+25 | 4 signals ▼20% Leadership | 197 patents Programmatic ad tech: contextual optimization, real‑time bidding, consent and viewability management | — |
| 12 | ABCS Insights Cloud-based ad attribution analytics solutions provider | $50M | 16 mo ago | Series C | 17 | 2020 | WordPressMySQLPHP+27 | — | — | 1 internship · 1 expansion |
| 13 | Kevel Provider of content management and outdoor advertising services | $45M | 27 mo ago | Series C | 69 69 → 172 (+149%) · sector median -5% | 2009 | WebflowAmazon Web ServicesPayPal+21 | 3 signals ▲200% Leadership | 3 patents Design and attachment of zipper pull mechanisms for apparel accessories | 1 partnership |
| 14 | Topsort Provider of an AI-powered platform for retailers to manage advertising businesses | $43M | 6 mo ago | Series A | 45 | 2021 | WebflowApple iCloud MailGoogle Workspace+26 | — | — | — |
| 15 | Mobiquity Technologies Provider of programmatic marketing technology, data, and trade desk services 50AI top 15%Product top 26%Talent top 28%Growth top 30% All 13 signals ▾AItop 15% Producttop 26% Talenttop 28% Growthtop 30% Moattop 38% Fundingtop 39% Newstop 41% Fin. healthtop 49% Techbottom 45% Globalbottom 37% Patentsbottom 32% Marketbottom 31% Innovationbottom 28% AI: Holds AI/ML patents (G06N-family CPC) Product: 1 product launch event in 12 mo · Company stage: Public rank vs industry peers · Fliar Intelligence Index 50/100 | $43M | 16 mo ago | Public | 14 | 1998 | WordPress Block EditorWordPressMySQL+14 | — | 8 patents Patents concentrated in computing, sensing & instrumentation | — |
| 16 | Admiral Platform offering ad block analytics software | $41M | 21 mo ago | Series B | 31 | 2015 | HubSpot CMS HubProton MailApple iCloud Mail+24 | — | — | — |
| 17 | Unacast Provider of data management platform for forecasting locations 37Funding top 31%Moat top 39%Tech top 42%Growth top 45% All 10 signals ▾Fundingtop 31% Moattop 39% Techtop 42% Growthtop 45% Producttop 45% Talentbottom 49% Globalbottom 45% Newsbottom 43% Marketbottom 36% Fin. healthbottom 28% Funding: Raised $40.1M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) Moat: Editorial + unicorn rating 7/10 · 9 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 37/100 | $40M | 6 mo ago | Series C | 20 | 2015 | WebflowAmazon Web ServicesVWO+23 | — | — | — |
| 18 | Super League Provider of networks of games, monetization tools and content channels 48Funding top 20%News top 22%Product top 29%Moat top 37% All 12 signals ▾Fundingtop 20% Newstop 22% Producttop 29% Moattop 37% Talenttop 41% Techtop 42% Markettop 45% Patentstop 48% Innovationbottom 47% Growthbottom 45% Globalbottom 39% Fin. healthbottom 35% Funding: Raised $34.6M across 15 rounds · 15 rounds over 12 yrs (1.2/yr) News: 11 BI events in 12 mo (of 49 tracked, 10 types) · +175% YoY rank vs industry peers · Fliar Intelligence Index 48/100 | $35M | 8 mo ago | Public | 101 101 → 86 (-15%) · sector median -5% | 2014 | Wix eCommerceWixSentry+18 | 11 signals ▲175% Funding · Earnings · Incorporation | 16 patents Cloud gaming platform enabling synchronized, prioritized multi-user streaming and view generation | 1 launch · 1 partnership |
| 19 | Firsthand AI based agent platform for brands and publishers | $33M | 15 mo ago | Series A | — | 2023 | WebflowBugHerdZendesk+10 | — | — | — |
| 20 | KERV AI-based performance analytics solutions for e-commerce brands 69Growth top 23%Funding top 35%Tech top 43%AI top 45% All 10 signals ▾Growthtop 23% Fundingtop 35% Techtop 43% AItop 45% Partnerstop 45% Markettop 48% Moattop 48% Talentbottom 49% Globalbottom 37% Newsbottom 18% Growth: Headcount 69 → 109 (+58%) across vintages · Web rank 10,000,000 → 5,000,000 YoY Funding: Raised $30.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $30M | 7 mo ago | Series B | 109 | 2017 | WordPressApple iCloud MailGoogle Workspace+40 | — | — | — |
| 21 | MAI Provider of AI-driven platform for Google Ads campaign management | $25M | 8 mo ago | Seed | — | 2024 | Tailwind CSSVercelAstro+17 | — | — | — |
| 22 | NYiax Platform offering ad exchange software | $24M | 17 mo ago | Acquired | 19 | 2016 | — | 3 signals Contracts · M&A | 9 patents Electronic continuous trading platforms for variant financial inventories | — |
| 23 | Kard Network of commerce media providing transaction-based, personalized offers and performance marketing | $23M | 7 mo ago | Series A | 8 | 2015 | Webflow EcommerceWebflowSalesforce+20 | — | — | — |
| 24 | Storygize Integrated ad solutions for better programmatic performance through creative, tech, insights | $15M | 14 mo ago | Series A | 20 20 → 19 (-5%) · sector median -5% | 2015 | WordPressApple iCloud MailGoogle Workspace+27 | — | — | — |
| 25 | Veritonic Platform offering audio creative management software | $14M | 8 mo ago | Series A | 43 | 2015 | — | — | 7 patents Media content profiling and analytics for targeted advertising and recommendation systems | — |
| 26 | StreamLayer Video content management and monetization solutions provider 37Moat top 25%Patents top 33%Innovation top 34%News top 38% All 10 signals ▾Moattop 25% Patentstop 33% Innovationtop 34% Newstop 38% Talenttop 38% Fundingtop 42% Producttop 47% Techbottom 46% Globalbottom 31% Marketbottom 25% Moat: Editorial + unicorn rating 7/10 · IP moat: 24 patents Patents: 24 patents matched (strict assignee match) · 17 filings since 2022 vs 7 in 2017-21 rank vs industry peers · Fliar Intelligence Index 37/100 | $13M | 13 mo ago | Series A | 20 | 2018 | WebflowSentryWistia+17 | 3 signals ▲200% New product | 24 patents Real-time interactive video streaming with overlay graphics and audience engagement features | 1 partnership |
| 27 | Influ2 Account based advertisement platform for advertisers | $12M | 22 mo ago | Series A | 3 | 2017 | SentryApple iCloud MailGoogle Workspace+31 | — | — | — |
| 28 | Mega Provider of AI-powered SEO and paid advertising agents for startups and SMBs | $12M | 3 mo ago | Series A | — | 2024 | Framer SitesGoogle CloudReact+21 | — | — | — |
| 29 | Brandzooka Video advertising for small advertisers | $10M | 17 mo ago | Series A | 27 | 2015 | — | — | — | — |
| 30 | Reveal Mobile Platform offering location-based audience data management solution 50Talent top 33%Innovation top 38%Funding top 39%Growth top 39% All 10 signals ▾Talenttop 33% Innovationtop 38% Fundingtop 39% Growthtop 39% Moattop 39% Producttop 46% Marketbottom 41% Techbottom 39% Newsbottom 32% Globalbottom 32% Talent: 4 named leaders on record · 2 C-suite/founder profiles curated Innovation: 3 product lines rank vs industry peers · Fliar Intelligence Index 50/100 | $10M | 24 mo ago | Series A | 34 34 → 20 (-41%) · sector median -5% | 2015 | — | — | — | 1 job opening · 3 partnerships |
| 31 | Kontext Provides an AI-powered contextual advertising platform | $10M | 10 mo ago | Seed | — | 2024 | Node.jsChakra UIReact+8 | — | — | — |
| 32 | AdPipe AI based platform offering video ad creation software | $9M | 8 mo ago | Series A | 18 | 2021 | — | — | — | — |
| 33 | Vaudit Provider of AI-powered digital advertising audit and charge removal platform | $9M | 10 mo ago | Seed | — | 2024 | WebflowTikTok PixelPostHog+22 | — | — | — |
| 34 | Rembrand Provider of AI-powered advertising solutions for in-content and social media | $8M | 6 mo ago | Series B | 23 | 2022 | Webflow EcommerceWebflowApple iCloud Mail+24 | 4 signals ▲100% M&A · New product | 8 patents AI-driven scene parameter estimation and realistic virtual object rendering for AR/VR | 2 launchs |
| 35 | Sift Media AI & machine learning-based mobile advertising platform 40Talent top 28%Product top 41%Innovation top 42%Funding top 43% All 8 signals ▾Talenttop 28% Producttop 41% Innovationtop 42% Fundingtop 43% AItop 45% Techtop 48% Globalbottom 32% Marketbottom 18% Talent: 4 named leaders on record · 4 C-suite/founder profiles curated Product: 3 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 40/100 | $6M | 3 mo ago | Series A | 5 | 2015 | Squarespace CommerceSquarespaceTypeScript+15 | — | — | — |
| 36 | Liftoff ML powered mobile ad campaign management platform 64News top 23%Growth top 29%Tech top 36%Talent top 38% All 10 signals ▾Newstop 23% Growthtop 29% Techtop 36% Talenttop 38% Fundingtop 41% Markettop 46% Innovationtop 46% Producttop 46% Moattop 48% Globalbottom 37% News: 11 BI events in 12 mo (of 32 tracked, 6 types) · +83% YoY Growth: Headcount 243 → 450 (+85%) across vintages · Web rank 5,000,000 → 50,000,000 YoY rank vs industry peers · Fliar Intelligence Index 64/100 | $5M | 13 mo ago | Acquired | 450 450 → 724 (+61%) · sector median -5% | 2012 | WordPress Block EditorWordPressApple iCloud Mail+39 | 11 signals ▲83% IPO · Funding | — | 1 partnership |
| 37 | Aarki Provides a platform for both creative optimization and programmatic media buying 35Growth top 35%Funding top 42%Product top 46%Tech top 48% All 9 signals ▾Growthtop 35% Fundingtop 42% Producttop 46% Techtop 48% Globalbottom 43% Moatbottom 38% Innovationbottom 37% Marketbottom 29% Newsbottom 21% Growth: Fresh capital in last 24 mo Funding: Raised $5.0M across 2 rounds · 2 rounds over 14 yrs (0.1/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $5M | 17 mo ago | Acquired | 12 | 2010 | WordPressProton MailGoogle Workspace+29 | — | — | — |
| 38 | Agentio Provider of a platform for managing and scaling creator advertising campaigns | $4M | 7 mo ago | Series B | — | 2006 | WebflowApple iCloud MailGoogle Workspace+16 | 4 signals ▲33% Funding | — | 1 award |
| 39 | AdFin Automating payment collection end-to-end, streamlining accounts receivable for businesses | $4M | 1 mo ago | Series A | 11 | 2012 | WebflowAmazon Web ServicesLenis+15 | — | 6 patents Real-time sampling and analytics of digital asset transactions for financial monitoring | 1 expansion · 1 award |
| 40 | Connected-Stories AI-powered platform for personalized content creation and delivery | $4M | 16 mo ago | Seed | 42 | 2018 | WixSentryBootstrap+13 | — | — | — |
| 41 | Massive Dynamic Provider of an AI copilot platform for cross-channel advertising management | $4M | 11 mo ago | Seed | — | 2014 | TikTok PixelLinkedin Insight TagHSTS+5 | — | — | — |
| 42 | PilotDesk AI-driven workflow automation platform for advertisers | $3M | 13 mo ago | Series A | — | 2023 | — | — | — | — |
| 43 | Smart Media Tech Self-serve audience activation and real-time programmatic buying platform | $2M | 3 mo ago | Seed | 148 | 2019 | WebflowGSAPAmazon Web Services+19 | — | — | — |
| 44 | GoWit Provider of a platform for retail media advertising and monetization | $2M | 7 mo ago | Seed | 23 | 2019 | Framer SitesReactPriority Hints+12 | 4 signals Funding · Leadership | — | 1 job opening |
| 45 | Quickads AI based platform offering Ad generator solutions for enterprises | $2M | 7 mo ago | Seed | — | 2023 | SentryNode.jsUbuntu+20 | — | — | — |
| 46 | True Sync Media Interactive and shoppable video advertising platform | $2M | 12 mo ago | Seed | 6 | 2013 | — | — | — | — |
| 47 | Marko Polo AI based customer data platform for customer insights | $2M | 13 mo ago | Seed | 2 | 2021 | WebflowChart.jsYouTube+33 | — | — | — |
| 48 | Automated Amazon PPC That Actually Works Provider of Amazon Ads management using quantitative analysis and industry experience | $500K | 5 mo ago | Seed | — | 2026 | — | — | — | — |
| 49 | Claybird Developer of AI-powered platform creating studio-quality advertising content rapidly | $500K | 8 mo ago | Seed | — | 2025 | — | — | — | — |
| 50 | Fluency Platform for ad automation | $200K | 6 mo ago | Series A | 37 | 2017 | WebflowMarkerYouTube+33 | — | 8 patents Real-time network security analytics and streaming data processing for threat scoring | — |
Top 12 AdTech companies in United States
#1
Series C · New York City, New York · founded 2015 · 20 employees$40.1Mraised▾
Provider of data management platform for forecasting locations. A leading proximity network, enabling global online media players to extract a higher value from advertisers and launch new innovative campaigns. Enables advertisers of Unacast's partners, reach and retarget customers in the online space based on the customer interaction with beacons in the physical space.
- Dec 2025Series C$28M
- Oct 2021Series B$16M
- Feb 2018Series B$17.5M
- May 2016Series A$5M
#2
Series D · New York City, New York · founded 2015 · 200 employees$210Mraised▾
Cloud based creative marketing and advertising platform. It enables users to compare ads, provides mobile fitness scores, creative fatigue trackers, dashboards, reports, and more. It also provides tools for analyzing campaigns. It allows users to carry out creative production by matchmaking, collaboration tool, manage multiple accounts, and more.
- Apr 2025Series D$8M
- Aug 2022Series D$110M
- Feb 2021Series C$50M
- Jun 2019Series B$25.4M
#3
Series A · Cambridge, Massachusetts · founded 2021 · 45 employees$43.2Mraised▾
Provider of an AI-powered platform for retailers to manage advertising businesses. The platform enables retailers and marketplaces to launch, scale, and optimize ad businesses. It offers solutions for sponsored listings, display ads, video ads, and sponsored brands. The platform supports retailers, marketplaces, and delivery applications with advertising infrastructure.
- Nov 2025Series A—
- Mar 2024Series A$20M
- Nov 2023Series A$14.8M
- Feb 2022Seed$8.3M
#4
Series B · Austin, Texas · founded 2017 · 109 employees$30Mraised▾
AI-based performance analytics solutions for e-commerce brands. Its solutions include add performance solutions, publisher revenue opportunities, and in-show monitization solutions.
- Nov 2025Series B$17.5M
- Sep 2022Series B$6.6M
- May 2022Series A$4.5M
- May 2022Conventional Debt$7.5M
#5
Series A · Seattle, Washington · founded 2024$11.5Mraised▾
Provider of AI-powered SEO and paid advertising agents for startups and SMBs. These agents autonomously research, analyze, execute, and improve marketing campaigns. Human oversight is provided for complex tasks, ensuring accuracy and strategic direction. The platform offers a simple dashboard to track agent activity, approve tasks, and monitor key performance indicators. Integration with various data sources allows for comprehensive performance analysis. This service aims to provide cost-effective solutions for businesses seeking to enhance their online presence and return on ad spend.
- Mar 2026Series A$11.5M
#6
Public · Santa Monica, California · founded 2014 · 101 employees$34.6Mraised▾
Provider of networks of games, monetization tools and content channels. The company owns and operates game worlds and provides a launchpad for brands and creators to accelerate success in the gaming metaverse.
- Oct 2025Post IPO$20M
- Jul 2025Post IPO$4.5M
- Sep 2024Post IPO$1.1M
- Jun 2024Post IPO$1.8M
#7
Series A · New York City, New York · founded 2012 · 11 employees$4.1Mraised▾
Automating payment collection end-to-end, streamlining accounts receivable for businesses. It is a platform designed to automate finance, offering solutions for accountants, businesses, and platforms. The company provides tools to generate invoices, accept payments, and manage credit control, all in one place. It offers next-generation direct debit and automates chasing with its Autopilot feature. The platform integrates with Xero, Quickbooks, Engager.app, and Socket. It aims to eliminate manual financial tasks, reduce friction, and enable businesses to focus on growth. The company combines modern payments infrastructure with agentic AI to transform financial operations. It offers features like invoice capture, automated payment chasing, early payment discounts, and late payment penalties. The platform provides a single dashboard for revenue operations, clear reporting, and tracking. It offers real support from real people, transparent pricing, and protection against chargebacks. It is a SaaS platform that provides cloud-based solutions for payment processing, accounts receivable automation, and credit control.
- May 2026Series A$18M
- Jul 2024Series A$4.9M
#8
Series A · Durham, North Carolina · founded 2015 · 5 employees$5.7Mraised▾
Sift Media is an AI & machine learning-based mobile advertising platform to hyper-target app install ads. It operates at the intersection of mobile and big data. It focuses on analyzing the connections and links between apps. The platform monitors conversion rates in real-time for each campaign and algorithm and automatically optimizes campaigns across inventory sources to improve conversion rate.
- Mar 2026Series A$225.8K
- Jun 2020Conventional Debt$1.8M
- Feb 2020Series A$1.5M
- Jan 2016Series A$4.2M
#9
Series A · New York City, New York · founded 2015 · 8 employees$23Mraised▾
Network of commerce media providing transaction-based, personalized offers and performance marketing. It uses transaction data to provide offers to customers. The network enables marketers to target customers with offers. It allows financial institutions to design loyalty programs. The platform tracks transactions and links them to offers. It measures incrementality and return on ad spend, and allows for A/B testing.
- Oct 2025Series A$15M
- Apr 2022Series A$23M
- 2020Seed—
- Feb 2017Seed$20K
#10
Seed · Wilmington, Delaware · founded 2024$25Mraised▾
Provider of AI-driven platform for Google Ads campaign management. The platform integrates advertising, ecommerce, CRM, and analytics data to identify growth opportunities. It uses AI agents to autonomously optimize advertising spending. The platform analyzes data to understand performance trends and suggest actions. Reporting focuses on key metrics, providing insights into data changes.
- Oct 2025Seed$25M
#11
Series A · New Haven, Connecticut · founded 2015 · 43 employees$14.3Mraised▾
Platform offering audio creative management software. It helps to measure their audio creative to determine how the audience responds to it. It helps to determine the audio creative that works best from pre market to post campaign. The platform helps to understand the campaign performance. The platform combines proprietary marketing response data with predictive algorithms and a unique demographic search engine to give marketers the ability to test and tune their audio content to the tastes of their demographic and psychographic target audience.
- Sep 2025Series A—
- Jun 2025Series A$2.8M
- Jun 2022Series A$7.5M
- Oct 2020Series A$3.2M
#12
Series B · Palo Alto, California · founded 2022 · 23 employees$8Mraised▾
Provider of AI-powered advertising solutions for in-content and social media. The company offers tools for advertisers and publishers to integrate brand messaging within digital content. It transforms social media content into advertisements and places virtual product placements within relevant scenes. The company aims to deliver advertising experiences that are more natural for viewers.
- Nov 2025Series B$37.5M
- Jan 2025Series A$23M
- Dec 2022Seed$8M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of AdTech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.