Companies
4,248 companies in the AdTech ecosystem
Factual
AcquiredLocation Data & Audience Targeting
Factual was a leading location data platform that provided accurate, comprehensive place and audience data to power mobile advertising and analytics — acquired by Foursquare in 2020.
Gemini
AI / Generative AI for Advertising and Marketing
Google’s family of generative AI models and its AI assistant.
Hotjar
AcquiredBehavior Analytics / Conversion Rate Optimization
Hotjar is a behavior analytics platform that helps product teams and marketers understand how users interact with their websites through heatmaps, session recordings, and feedback tools. Acquired by Contentsquare in 2021, it continues to operate as a distinct brand.
IMJ Corporation
MergedDigital Agency
Tokyo-based digital agency, one of Japan's top digital practitioners. Accenture took majority stake July 2016 (~600 staff). Brand retired in 2022 Song rebrand; team is now Accenture Song Japan. Sources: Accenture Newsroom + BusinessWire.
InMoment
Customer Experience (CX) Intelligence & Analytics
InMoment is a leading provider of customer experience (CX) intelligence solutions, helping businesses gather, analyze, and act on customer and employee feedback. Its cloud-based platform combines advanced analytics, AI, and human expertise to deliver actionable insights that drive improved experiences and business outcomes.
Intango
Performance Marketing & Publisher Monetization
Intango is an Israeli ad technology company providing performance marketing, content recommendation, and search advertising solutions. Intango operates IntangoMedia and acquired Reignn (formerly Kumma) in 2023 for $10M, expanding its US footprint and digital publishing portfolio. The company has been associated with made-for-advertising (MFA) practices in industry coverage.
Intellimize
AcquiredWebsite Optimization & Personalization
Intellimize was an AI-powered website personalization and optimization platform that used machine learning to automatically test and personalize web experiences for B2B marketers.
JWT Japan
MergedAdvertising & Marketing Communications
J. Walter Thompson Japan was JWT's Tokyo agency. It combined with Wunderman Japan as Wunderman Thompson Tokyo in 2019, which became part of VML in January 2024.
Keap
Marketing Automation / CRM
Keap is a CRM and marketing automation platform designed specifically for small businesses, offering tools for contact management, email marketing, and sales automation.
Khoros
AcquiredCustomer Engagement Platform / Social Media Management
Khoros is a digital customer engagement platform that combines social media management, online community, and messaging capabilities for enterprise brands.
Koa Agents
Agentic AI / Media Buying
Koa Agents is The Trade Desk's agentic-AI media-buying capability launched April 2026 (Stagwell named first agency partner). Layered on top of Kokai (TTD's AI platform launched 2023). Note: distinct from Koah (the unrelated AI ad startup).
Leadspace
B2B Data Intelligence and Customer Data Platform (CDP)
Leadspace is a B2B data intelligence and customer data platform (CDP) provider that empowers enterprise sales and marketing teams to optimize their go-to-market strategies through unified, actionable customer profiles. The platform aggregates data from multiple sources and leverages machine learning algorithms to create comprehensive customer profiles that enable organizations to identify ideal customer profiles (ICPs), prioritize high-value accounts, and execute precision-targeted account-ba...
Manthan
RebrandedRetail Analytics / Customer Data Platform
Manthan was an AI-powered analytics and customer data platform for retail and consumer industries; in January 2021 it combined with RichRelevance and took the name Algonomy.
Marketing Cloud Advanced
Marketing Automation / Customer Engagement
Enterprise-tier edition of Salesforce Marketing Cloud announced at Dreamforce 2024 (GA November 2024). Adds Path Experiment, Unified Conversations SMS, and Einstein Engagement features beyond Marketing Cloud Growth.
Mars United Commerce
Commerce Marketing / Retail Media
Commerce-marketing agency acquired by Publicis Groupe September 2024 for ~$600M. Operates within Publicis Solutions division focused on retail-media + shopper marketing.
Matterkind
MergedProgrammatic Advertising & Addressable Media Activation
Matterkind is IPG's addressable activation unit. Originally Cadreon (IPG Mediabrands' addressable platform); rebranded to Matterkind May 7, 2020. Folded into Kinesso 2024-2026 as part of IPG's data+tech consolidation. Now Omnicom-owned post-Nov 26, 2025.
Meetrics
AcquiredAd Verification & Measurement
Meetrics was a Berlin-based ad verification and viewability measurement company acquired by DoubleVerify, providing advertisers and publishers with tools to ensure ad quality and campaign effectiveness across digital channels.
Momentive
Market Research & Experience Management
Momentive is an agile experience management platform that provides survey and feedback solutions, operating as a subsidiary of Symphony Technology Group after its acquisition of SurveyMonkey.
oolo
AcquiredMobile User Acquisition & Monetization Optimization
AI-powered UA & monetization platform acquired by AppsFlyer December 5 2023 (all-stock).
Osano
Privacy & Consent Management
Osano is a privacy management platform that helps businesses comply with privacy regulations and protect user data.
Placeit
AcquiredCreative Tools / Marketing Technology
Placeit is a browser-based design platform offering thousands of customizable mockups, templates, logos, and videos — acquired by Envato in 2018 and still actively serving creators and marketers worldwide.
Porter Novelli
Public Relations & Communications
Porter Novelli is a public relations agency brand within FleishmanHillard, part of Omnicom Public Relations. In February 2026 Omnicom folded Porter Novelli into FleishmanHillard, where part of its client portfolio, including US public sector relationships, continues under the Porter Novelli brand.
Protected by Mediaocean
Ad Verification & Brand Safety
Ad-fraud and invalid-traffic verification platform, formerly Protected Media, founded in Israel. Flashtalking acquired it in February 2021 and it came to Mediaocean with Flashtalking; it now trades as Protected by Mediaocean.
QuanticMind
AcquiredSearch Engine Marketing (SEM) / Performance Marketing
QuanticMind was an AI-powered performance marketing platform that automated and optimized paid search and social advertising campaigns before being acquired by Skai (formerly Kenshoo) in 2019.