Companies

DeepMind is an AI research laboratory focused on artificial intelligence and machine learning, operating as a subsidiary of Google's parent company Alphabet Inc.

Adobe CX Enterprise is Adobe's customer-experience software portfolio — analytics, data, content, journeys, commerce and advertising — which replaced the Adobe Experience Cloud name at Adobe Summit on April 20, 2026.

Epic Games — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

New York-based B2B media company for advertising and ad tech: podcasts, newsletters, communities and events, including Marketecture, AdTechGod and AdLand.

Global media company behind Vogue, The New Yorker, GQ and Wired, led by CEO Roger Lynch.

Online grocery platform (Maplebear Inc.) with a major retail media business, Instacart Ads.

Microsoft Azure is Microsoft's comprehensive cloud computing platform, offering infrastructure, platform, and software services that underpin modern marketing technology stacks, data-driven advertising operations, and enterprise media workflows worldwide.

American digital media, publishing, and information-services holding company — owner of Variety, Rolling Stone, Billboard, The Hollywood Reporter and WWD, and (via its 2026 PMX division) the acquired Vox Media brands.

Infor — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Publicis Worldwide was Publicis Groupe's global creative agency network. Publicis merged it with Leo Burnett in January 2025 to form the network Leo; the Publicis Worldwide name survives only in a few markets.

Cisco — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Mandiant is a leading cybersecurity firm specializing in threat intelligence, incident response, and ad-fraud detection. The company was the original parent of FireEye until October 2021, when it sold the FireEye Products business to Symphony Technology Group for $1.2B and rebranded its remaining services-and-intelligence business to Mandiant. Google acquired Mandiant in March 2022 for $5.4B; Mandiant now operates within Google Cloud Security.

WPP Creative is one of WPP's four operating units (with WPP Media, WPP Production and WPP Enterprise Solutions), formed in WPP's February 2026 reorganization. It houses WPP's creative, brand and communications networks, including Ogilvy, VML, AKQA, Landor, Burson and Design Bridge and Partners.

IPG Health is the world's largest healthcare marketing network, combining data-driven creativity with deep medical expertise to serve pharmaceutical, biotech, and health brands globally.

Rogue Wave Software — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Shopify — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Boomi — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

RTL Group is Europe's leading entertainment network and a major force in broadcast advertising, operating TV channels, streaming platforms, and digital video across multiple countries.

adam&eve\TBWA (formerly adam&eveDDB) is a leading UK-based creative advertising agency known for iconic campaigns, including the John Lewis Christmas ads, now operating within Omnicom's TBWA Worldwide network.

Hitachi Vantara — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Microsoft's comprehensive platform for building, deploying, and managing intelligent conversational AI bots across multiple channels.

Acquired by The New York Times in 2022, The Athletic is a subscription-based sports news platform delivering in-depth, ad-free journalism covering professional and collegiate sports across the globe.

The Martin Agency is a renowned full-service creative advertising agency known for iconic campaigns and culturally resonant brand storytelling, operating as a subsidiary of IPG.

The Weather Company operates Weather.com, The Weather Channel apps, and digital weather/climate data services. Acquired from IBM by Francisco Partners February 2024 (terms undisclosed; reportedly ~$1B). Pre-IBM ownership: acquired by IBM January 2016 ($2B+ deal that included weather.com but excluded the cable TV channel).