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Companies

4,167 companies in the AdTech ecosystem

TagMan

TagMan

Acquired

Tag Management

TagMan was a tag management system provider that helped enterprises manage marketing tags and pixels across digital properties before being acquired by Ensighten in 2016.

Data Management PlatformMarketing TechnologyLondon, England
Tubular Labs

Tubular Labs

Acquired

Social Video Analytics & Audience Intelligence

Tubular Labs is a leading social video intelligence platform that provides audience measurement, content analytics, and competitive insights across YouTube, Facebook, Instagram, and other major video platforms — now operating as part of Chartbeat.

Data & AnalyticsVideo Advertising PlatformSan Mateo, California
Vimeo

Vimeo

Video Technology & Content Distribution

Video hosting and creation platform that enables businesses and creators to host, share, and monetize professional video content with advanced privacy controls and customization options.

Creative PlatformVideo TechnologyNew York, New York
Y

YuMe

Acquired

Digital Video Advertising

YuMe was a digital video advertising platform specializing in audience-based targeting and brand advertising across connected devices, later acquired by RhythmOne to form a combined programmatic advertising company.

Connected TV PlatformVideo Advertising PlatformRedwood City, California
Alibaba Group

Alibaba Group

AdTech / MarTech / E-commerce Technology

Alibaba Group is a multinational technology conglomerate and one of the world's largest e-commerce and digital commerce companies, headquartered in Hangzhou, China. Founded in 1999 by Jack Ma and a group of co-founders, Alibaba has evolved from a B2B marketplace into a comprehensive digital ecosystem encompassing e-commerce, cloud computing, digital media, entertainment, and advanced advertising technology. The company operates multiple platforms including Taobao, Tmall, Alibaba.com, and AliE...

Retail Media PlatformE-commerce MarketingHangzhou, Zhejiang Province, China, Zhejiang
A

Amazon Performance+

Programmatic Advertising / Performance Marketing

AI-driven campaign type within Amazon DSP for off-Amazon performance. Launched March 2024; globally available since Oct 2024. Reports 30-90% lower CPAs vs traditional campaigns.

Demand Side Platform (DSP)Performance MarketingSeattle, Washington
Burson

Burson

Public Relations / Communications

Burson is WPP's PR powerhouse formed July 1, 2024 from the merger of BCW + Hill & Knowlton. ~6,000 staff in 43 countries. One of the top two global PR firms. WPP exploring potential sale of Burson per news reports 2025-2026.

Marketing Agency
Claude

Claude

AI/LLM Infrastructure for AdTech

Claude is an AI assistant developed by Anthropic, designed to serve as a genuinely helpful tool for work and deep thinking, and it remains ad-free by design.

AI-Powered PlatformMarketing TechnologySan Francisco, California
D

DAZN

Sports Streaming & CTV Advertising

DAZN is a global sports streaming platform that delivers live and on-demand sports content directly to consumers via subscription.

Connected TV PlatformContent DiscoveryLondon, England
D

Disney's Magic Words

Contextual Advertising / Streaming Ad Technology

AI-powered contextual ad targeting tool — analyzes scenes, characters, mood, emotion across Disney+ and Hulu library; allows advertisers to align creative with on-screen context. Launched Feb 9 2024 with GroupM, OMG, IPG Mediabrands, Publicis Media, Dentsu, Horizon Media as beta partners. Available across global markets following Disney audience graph rollout.

Contextual AdvertisingVideo Advertising PlatformNew York, New York
Golin Ketchum

Golin Ketchum

Public Relations & Integrated Communications

Golin Ketchum is a global public relations and integrated communications agency within Omnicom Public Relations. It was formed by merging Omnicom's Ketchum with Golin, which came to Omnicom through the Interpublic acquisition. The merger was announced in February 2026 and the combined brand launched in June 2026.

Marketing AgencyNew York, New York
Grapeshot

Grapeshot

Merged

Contextual Advertising & Brand Safety

Grapeshot was a contextual intelligence and brand safety platform that used AI to analyze web content, acquired by Oracle in 2018 and integrated into Oracle Advertising.

Contextual AdvertisingVerification & MeasurementCambridge, England
G

GSD&M

Full-Service Advertising Agency

GSD&M is an Austin-based full-service advertising agency known for purpose-driven creative work and long-standing relationships with major national brands.

Marketing AgencyAustin, Texas
IMDb

IMDb

Digital Advertising / Entertainment Media / Connected TV (CTV)

IMDb is the world's most popular and authoritative source for movie, TV, and celebrity content — and a powerful advertising platform reaching hundreds of millions of entertainment-intent audiences globally.

E-commerce MarketingContent DiscoverySeattle, Washington
Kenshoo

Kenshoo

Rebranded

Paid Media Optimization & Campaign Management

Kenshoo (now Skai) is a leading AI-powered advertising platform enabling marketers to plan, execute, and optimize campaigns across search, social, and e-commerce channels.

Attribution & AnalyticsPPC ManagementTel Aviv, Tel Aviv District
L

Leo UK

Creative Advertising Agency

Leo UK (formerly Leo Burnett London) is the London agency of Leo, the Publicis Groupe creative network formed in January 2025 by merging Leo Burnett and Publicis Worldwide.

Marketing AgencyLondon
Mapp

Mapp

Marketing Cloud / Customer Engagement Platform

Mapp is a global marketing technology company that delivers an integrated customer engagement platform designed to help businesses create personalized, data-driven marketing experiences across multiple channels. The company's cloud-based solution combines marketing analytics, customer data management, and cross-channel campaign orchestration, enabling marketers to build meaningful customer interactions at scale. Built on artificial intelligence and machine learning foundations, Mapp's platfor...

Customer Data PlatformMarketing CloudSan Diego, California
M

MosaicML

Acquired

AI/ML Infrastructure

Foundation-model training platform. Acquired by Databricks July 2023 for $1.3B. Tech became foundation of Databricks Mosaic AI.

AI-Powered PlatformSan Francisco, California
Nanigans

Nanigans

Acquired

Paid Social Advertising Technology

Nanigans was a performance advertising platform specializing in Facebook and Instagram ad optimization before being acquired by Skai (formerly Kenshoo) in 2020.

Marketing AnalyticsDemand Side Platform (DSP)Boston, Massachusetts
Oribi

Oribi

Acquired

Marketing Analytics and Attribution

Oribi was a no-code marketing analytics platform that helped businesses track conversions and user behavior without requiring developer resources — acquired by LinkedIn in 2022.

Data & AnalyticsAttribution & AnalyticsTel Aviv, Tel Aviv District
Percolate

Percolate

Acquired

Marketing Technology / Content Marketing Platform

Percolate was a marketing content management and orchestration platform that helped enterprise brands plan, create, and distribute marketing content at scale.

Creative Management PlatformSocial Media ManagementNew York, New York
PubMatic Convert

PubMatic Convert

Commerce Media / Retail Media Networks

Self-serve commerce media platform unifying sponsored listings, CTV, video, and display for retailers and transaction-based businesses. Launched July 25 2023.

Retail Media PlatformProgrammatic PlatformRedwood City, California
RichRelevance

RichRelevance

Acquired

Personalization & Recommendation Technology

RichRelevance was a pioneering AI-driven personalization platform for retail and e-commerce, later rebranded as Algonomy after merging with Manthan in 2021.

AI-Powered PlatformMarketing AnalyticsSan Francisco, California
Scroll

Scroll

Defunct

Publisher Monetization / Subscription Media

Scroll was an ad-free subscription service that paid publishers based on time spent reading, acquired by Twitter in 2021 and later shut down.

Customer EngagementPrivacy-First AdvertisingNew York, NY