Companies
4,253 companies in the AdTech ecosystem
NextMind
MergedNeurotechnology / Human-Computer Interaction
Brain-computer interface startup acquired by Snap March 2022. Joined SnapLab for AR research.
OfferUp
Marketplace Advertising / Local Commerce
OfferUp is a mobile-first local marketplace platform connecting buyers and sellers for secondhand goods and services in their communities.
Onfido
AcquiredIdentity Verification & Fraud Prevention
Onfido is an AI-powered identity verification and authentication platform that helps businesses verify real user identities using document checks and biometric analysis — now part of Entrust following a 2024 acquisition.
Power BI
Business Intelligence / Data Analytics
Microsoft's business intelligence platform that enables users to visualize data, create interactive reports, and share insights across organizations.
Redfin
Real Estate Technology / Digital Advertising
Redfin — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
Scuba Analytics
Data Analytics / AdTech Analytics
Scuba Analytics — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
Searchlight Pictures
Film Production / Independent
Specialty film studio acquired by Disney via 21st Century Fox deal March 2019. Renamed from "Fox Searchlight Pictures" to "Searchlight Pictures" January 2020.
Serviceplan
Integrated Advertising & Communications
Serviceplan is Europe's largest independent agency group, offering integrated creative, media, and digital services with a unique 'House of Communication' model spanning 35+ countries.
Simon AI
AcquiredCustomer Data Platform / Marketing Technology
Simon AI (formerly Simon Data) is a New York marketing technology company offering a Snowflake-native customer data platform with AI agents for personalized cross-channel marketing.
Stemma
AcquiredData Infrastructure/Management
Stemma was a data discovery and catalog platform that helped organizations understand and manage their data assets through automated metadata management and lineage tracking.
TNT
Cable Television / Broadcast Media
Cable TV network under Warner Bros. Discovery, now part of Skydance. Mix of original drama, sports (NBA on TNT through 2024-25), and movies. Now branded as "TNT Sports" for sports content.
WFA (World Federation of Advertisers)
Advertising Industry Advocacy & Standards
Global trade body representing brand marketers and national advertiser associations.
Amadeus
Travel Technology / Data & Audience Targeting
Amadeus is a global travel technology company providing IT solutions and distribution systems for airlines, hotels, travel agencies, and other travel industry players.
AMC Global Media
Television Broadcasting & Content Distribution
AMC Global Media is an international media and entertainment company operating television channels and content distribution networks across multiple regions worldwide.
Apple TV+
RebrandedStreaming Media / Entertainment
Apple's premium ad-free streaming service launched November 2019. ~45M subscribers (2025). Original-content focus (Ted Lasso, Severance, The Morning Show). Loses ~$1B/year per Variety reports. Distinct from Apple TV the hardware/app aggregator.
Auth0
AcquiredIdentity & Access Management (IAM) / MarTech Infrastructure
Auth0 is a leading identity-as-a-service (IDaaS) platform that provides authentication and authorization solutions for developers and enterprises, now operating as a subsidiary of Okta.
Automate.io
AcquiredMarketing Technology / Integration Platform
Cloud-based integration platform that connects business applications and automates workflows without coding, enabling data synchronization across marketing, sales, and productivity tools.
Beats Electronics
Audio Hardware / Consumer Electronics
Beats Electronics is Apple's audio products subsidiary — headphones, earbuds, speakers. Acquired by Apple May 28, 2014 for $3 billion (Apple's largest acquisition until Beats was eclipsed by Beats x ad-buy partnerships and the Vision Pro era). Continues as branded product line under Apple alongside AirPods.
BritBox
AcquiredStreaming / Connected TV (CTV)
BritBox is a subscription video-on-demand (SVOD) streaming service offering the largest collection of British TV content, jointly owned by BBC Studios and ITV.
Chorus.ai
AcquiredConversation Intelligence / Sales Enablement
Chorus.ai is a leading conversation intelligence platform acquired by ZoomInfo that records, transcribes, and analyzes sales calls and meetings to help revenue teams improve performance.
FGS Global
Strategic Communications & Public Affairs
Global strategic communications and public affairs consultancy formed from Finsbury, Glover Park Group, Hering Schuppener and Sard Verbinnen, unified under the FGS Global name in 2022. Majority-owned by private equity firm KKR; WPP fully exited its stake in December 2024.
Fishtown Analytics
RebrandedData Analytics / Analytics Engineering
Fishtown Analytics, now rebranded as dbt Labs, pioneered the dbt (data build tool) framework that transformed how data analysts and engineers write, test, and document SQL-based data transformations.
Five9
Cloud Contact Center / Customer Experience Technology
Five9 is a leading cloud contact center software provider delivering AI-powered customer experience solutions for enterprise and mid-market organizations.
FreeWheel Buyer Cloud
Programmatic Advertising / AdTech
FreeWheel Buyer Cloud is Comcast-owned FreeWheel's programmatic buying platform for advertisers purchasing premium connected-TV inventory; it was formerly known as Beeswax.