Companies

Pseudonymous ad tech social account and content brand ("The Lord of RTB and the best memes in advertising"), acquired by Marketecture Media in June 2024. Its operator has not been publicly identified.

Loyalty and marketing-services company; its Epsilon marketing division (which housed Conversant) was sold to Publicis in 2019. Renamed Bread Financial after spinning off card services.

European telecommunications and media group controlled by Patrick Drahi (also known as Altice Europe; separate from Altice USA). Not an adtech company: listed in ATDb because it owned the ad platform Teads from 2017 until Outbrain bought Teads in February 2025.

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

Microsoft's commercial wrapper for OpenAI's models (GPT-4, GPT-4o, o1, DALL-E, Whisper) hosted on Azure infrastructure with enterprise compliance, data residency, and SLAs. Launched Jan 2023 GA. Distinct from OpenAI's own API; this is Microsoft's exclusive Azure-hosted offering under the Microsoft-OpenAI partnership.

Toronto-based avatar/comic startup acquired by Snap March 2016 for $64M. Rebranded to Bitmoji and integrated into Snapchat.

BuzzFeed is a digital media and entertainment company that monetizes massive audience reach through native advertising, branded content, and programmatic display across its portfolio of lifestyle and news properties.

CBS News is a major American broadcast and digital news network owned by Skydance, delivering news content across TV, streaming, and digital platforms with significant advertising inventory.

Cisco Meraki provides cloud-managed IT solutions including wireless, switching, security, and IoT devices for simplified network management.

Clipwire Games was a Canadian mobile game developer known for casual titles that integrated advertising and monetization solutions, later acquired to bolster mobile gaming and AdTech capabilities.

Contactually was a CRM and relationship intelligence platform designed for real estate professionals and small businesses to manage client relationships through automated follow-ups and pipeline management.

D.A.Consortium (DAC) was Hakuhodo DY Holdings' internet advertising company and digital media representative, founded in 1996. It was integrated with IREP into Hakuhodo DY ONE, which started on April 1, 2024.

A social shopping app combining marketplace functionality with social media features, focused on fashion resale and secondhand clothing among Gen Z users.

Google's conversational AI platform for building chatbots and voice assistants with natural language understanding capabilities.

Endeavor is a global entertainment, sports, and content company that owns and operates major properties including UFC, WWE, and IMG, with significant media rights and live events businesses.

European counterpart to Unified ID 2.0, a consented, email-based advertising identifier.

FireEye was a publicly traded cybersecurity company specializing in threat intelligence and incident response (founded 2004, acquired Mandiant 2014 for $1B). In June 2021, FireEye sold its products business to Symphony Technology Group (which became Trellix). The remaining threat-intel and consulting business (the original Mandiant unit) renamed itself Mandiant in October 2021. Mandiant was then acquired by Google for $5.4B in September 2022 and now operates as part of Google Cloud Security. FireEye as a standalone brand is retired.

ForgeRock is an identity and access management platform provider that was acquired by Thoma Bravo in 2023 and operates as part of Ping Identity.

IAB Tech Lab framework for passing consent and privacy signals across jurisdictions in one string.

Ad intelligence and media plan management company backed by GTCR. It sells advertising spend data (SMI) and media pricing data (SQADCosts), plus the MediaTools and Lumina planning software. Formed in 2020 as PC Dreamscape and renamed Guideline in June 2023.

iClick Interactive was a Hong Kong marketing technology company focused on Chinese consumers. It merged with Amber DWM on March 12, 2025 and was renamed Amber International Holding, which trades on Nasdaq as AMBR.

Mobile gaming studio. Divested to Tripledot June 30 2025.

Meta’s family of open-weight large language models.

Ukrainian computer vision startup acquired by Snap Sep 2015 for $150M. Tech became foundation of Snapchat lenses/filters. Brand retired post-acquisition.