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Companies

4,253 companies in the AdTech ecosystem

C

Clipwire Games

Acquired

Mobile Gaming and In-Game Advertising

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.

Mobile Ad PlatformIn-Game AdvertisingToronto, Ontario
Contactually

Contactually

Acquired

CRM / Relationship Intelligence

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.

Marketing AutomationCustomer EngagementWashington, D.C.
D

DAC (Digital Advertising Consortium)

Merged

Digital Advertising / AdTech

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.

Identity ResolutionData Management PlatformTokyo, Tokyo
Depop

Depop

Acquired

Social Commerce / Fashion Resale

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

Commerce TechnologyMarketplace TechnologyLondon, England
Dialogflow

Dialogflow

Conversational AI / Natural Language Processing

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

AI-Powered PlatformMarketing PlatformSunnyvale, California
E

European Unified ID (EUID)

Identity & Audience Targeting

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

Identity ResolutionPrivacy-First AdvertisingLondon, England
FireEye

FireEye

Rebranded

Cybersecurity & Threat Intelligence

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.

Marketing TechnologyMilpitas, California
ForgeRock

ForgeRock

Acquired

Identity and Access Management (IAM) - Supporting Infrastructure for AdTech

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

Privacy TechnologySan Francisco, California
G

Global Privacy Platform (GPP)

Privacy & Consent Management Standards

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

Privacy & Consent ManagementNew York, NY
Guideline

Guideline

Ad Intelligence & Media Planning

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.

Data & AnalyticsMarketing AnalyticsNew York, NY
IAB Austria

IAB Austria

Digital Advertising Industry Association

IAB Austria is Austria's digital advertising association, with more than 200 members, and represents the country's digital economy in the IAB network. Ursula Gastinger has been its managing director since 2020, and Hannes Wurzwallner became president for a 2026–2028 term.

Vienna
IAB Mexico

IAB Mexico

Digital Advertising Industry Association

IAB México is a non-profit association representing Mexico's digital advertising industry, operating since February 2005. It produces studies and best-practice guides, education programs and standards, and runs the IAB Conecta event. Gabriel Richaud is its director general.

Mexico City, CDMX
i

iClick Interactive

Merged

Marketing Technology / Programmatic Advertising

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.

Demand Side Platform (DSP)Data Management PlatformHong Kong
L

Leyi

Acquired

Mobile Gaming / In-App Advertising

Mobile gaming studio. Divested to Tripledot June 30 2025.

Mobile Ad PlatformIn-Game Advertising
L

Llama

AI / Machine Learning Infrastructure for AdTech and MarTech

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

AI-Powered PlatformMarketing TechnologyMenlo Park, California
M

Marketecture Live

AdTech Media & Events

Marketecture Media's conference series, sold through sponsorships: New York editions since March 2025 (Live III, "Consumers in Control", March 10–11, 2026, The Glasshouse) and Marketecture Live: Chicago (September 23, 2026, Morgan MFG).

Marketing TechnologyNew York, New York
M

McDonald's

Quick-Service Restaurant / Consumer Brand Advertising

McDonald's is the world's largest fast-food chain and one of the biggest advertisers on the planet, operating over 40,000 restaurants across more than 100 countries.

Customer Data PlatformMobile MarketingChicago, Illinois
M

Meridian

Marketing Measurement & Attribution

Google’s open-source marketing mix model (MMM) for measuring media effectiveness.

Attribution & AnalyticsMarketing AnalyticsMountain View, California
Microsoft Azure CDN

Microsoft Azure CDN

Cloud Infrastructure / Content Delivery

Microsoft's content delivery network service that accelerates delivery of web content, media files, and applications globally through distributed edge servers.

Marketing TechnologyRedmond, Washington
Microsoft Fabric

Microsoft Fabric

Data Analytics / Lakehouse / BI

Microsoft's unified analytics platform launched May 2023 GA. Consolidates Azure Synapse Analytics, Power BI, Azure Data Factory, and Data Activator into a single SaaS data and analytics product. Lake-centric architecture using OneLake (Microsoft's unified data lake).

MongoDB

MongoDB

Database Infrastructure (not AdTech)

MongoDB is a leading modern general-purpose database platform, designed for developers and the data they work with. It offers a flexible document model, distributed architecture, and cloud services to help companies build and scale applications globally.

Programmatic PlatformNew York, New York
MuleSoft

MuleSoft

Acquired

MuleSoft provides an integration platform that connects applications, data, and devices across on-premises and cloud environments through its Anypoint Platform.

Marketing TechnologySan Francisco, California
Novacap

Novacap

Private Equity / AdTech Investment

Novacap is a Canadian private equity firm focused on technology, financial services, industries, and healthcare investments. In adtech, Novacap acquired Cadent in 2023 in a deal valued at approximately $600M and has since invested in further ad tech consolidation. Cadent subsequently acquired AdTheorent under Novacap ownership.

Montreal, Quebec
O

OpenTV

Acquired

Interactive TV / Addressable TV Advertising Technology

OpenTV made interactive-TV middleware and advanced (addressable) TV advertising software. Kudelski Group took control in 2006 and full ownership in March 2010; Imagine Communications bought its advanced-advertising business in 2014.

Connected TV PlatformVideo Advertising PlatformSan Francisco, California