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Companies

3,695 companies in the AdTech ecosystem

Marketo Engage

Marketo Engage

Marketing Automation

Marketing automation platform owned by Adobe that provides lead management, email marketing, and customer engagement tools for B2B marketers.

Customer Data PlatformMarketing PlatformSan Jose, California
M

Marketplacer

E-commerce Technology / Marketplace Platform

Marketplacer provides SaaS technology that enables retailers and brands to launch and scale online marketplace platforms.

Commerce TechnologyMarketplace TechnologyMelbourne, Victoria
Maropost

Maropost

Marketing Automation & Customer Engagement

Maropost is a unified customer engagement platform that helps businesses connect with customers across various channels. It offers solutions for email marketing, marketing automation, e-commerce, and service cloud, enabling personalized customer journeys and improved retention.

Customer Data PlatformMarketing AutomationToronto, Ontario
M

Marpipe

Creative Optimization & Testing

Marpipe is a creative testing and automation platform that enables advertisers to test multiple ad variations at scale using multivariate testing methodology.

Creative Management PlatformPerformance MarketingNew York, New York
M

Marq

Brand Management / Marketing Technology

Marq (formerly Lucidpress) is a brand templating platform that empowers distributed teams to create on-brand marketing materials without sacrificing brand consistency.

Creative Management PlatformMarketing TechnologySalt Lake City, Utah
M

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.

Retail Media PlatformE-commerce MarketingSouthfield, Michigan
M

Martin (Martin AI / Consultmates Inc.)

Acquired

Programmatic Advertising / Media Measurement

Cincinnati-based AI-driven media measurement and reporting platform for buyer transparency. Founded 2017. Acquired by PubMatic September 14 2022 for $45M to accelerate Supply Path Optimization tooling. Now folded into PubMatic Activate.

Attribution & AnalyticsVerification & MeasurementCincinnati, Ohio
Marvel Studios

Marvel Studios

Film/TV Production / IP

Film and TV studio division of Marvel Entertainment, which Disney acquired August 2009 for $4B. Marvel Cinematic Universe (MCU) — most successful film franchise of all time.

Marxent

Marxent

Visual Commerce / 3D Product Visualization

Marxent is a leading provider of 3D commerce and augmented reality (AR) solutions for retailers and manufacturers. Their 3D Cloud platform enables businesses to create, manage, and deploy 3D content for immersive shopping experiences, helping customers visualize products in their own space. They specialize in tools for selling complex products like furniture, home decor, and building materials.

Commerce TechnologyE-commerce MarketingDayton, Ohio
M

Mastercard

Payments Data, Marketing Analytics & Loyalty Technology

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

Purchase, New York
Matillion

Matillion

Data Integration and Analytics Infrastructure

Matillion is a leading data productivity company that provides powerful, purpose-built data integration and transformation solutions for cloud data warehouses. Its platform helps organizations extract, load, and transform data at scale, enabling data teams to accelerate the delivery of actionable insights and drive business value.

Data & AnalyticsMarketing TechnologyManchester, England
Matomo

Matomo

Web Analytics & Business Intelligence

Matomo (formerly Piwik) is a leading open-source web analytics platform that provides organizations with full control over their data while respecting user privacy. Founded in 2007, Matomo offers a powerful alternative to proprietary analytics solutions like Google Analytics, emphasizing data ownership, privacy compliance, and transparency. The platform is used by over 1 million websites across 190+ countries, including governments, enterprises, and small businesses that prioritize data sover...

Data & AnalyticsMarketing AnalyticsWellington, New Zealand, Bavaria
Matterkind

Matterkind

Programmatic Activation / Addressable Media

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.

Demand Side Platform (DSP)Programmatic Platform
Matterport

Matterport

Spatial Data / Digital Twin Technology (Marketing Technology adjacent)

Matterport is a spatial data company that digitizes buildings and spaces into immersive 3D models. Its platform allows users to create, share, and manage digital twins of physical spaces, primarily serving industries like real estate, construction, insurance, and facilities management.

Real Estate MarketingContent DiscoverySunnyvale, California
Mautic

Mautic

Acquired

Marketing Automation

Mautic is an open-source marketing automation platform that empowers businesses to manage email campaigns, lead nurturing, and customer journeys — now part of Acquia following its 2019 acquisition.

Email MarketingMarketing PlatformBoston, Massachusetts
Mavrck

Mavrck

Rebranded

Influencer Marketing

Mavrck is an all-in-one influencer marketing platform that helps enterprise brands discover, activate, and measure influencer campaigns at scale — now part of Later's social media management suite.

Influencer MarketingAI-Powered PlatformBoston, Massachusetts
M

Max

Connected TV (CTV) / Streaming Advertising

Max is AppLovin's premium connected TV (CTV) and streaming advertising platform, offering brand-safe inventory across HBO Max content and premium digital environments.

Connected TV PlatformVideo Advertising PlatformNew York, New York
M

Maxar Technologies

Acquired

Space Technology, Geospatial Intelligence

Maxar Technologies was a leading space technology and Earth intelligence company providing satellite imagery, geospatial data, and space infrastructure solutions to government and commercial customers worldwide.

Data & AnalyticsLocation-Based AdvertisingWestminster, Colorado
M

MaxCDN

Acquired

Content Delivery Network (CDN) / Web Infrastructure

MaxCDN was a leading content delivery network (CDN) provider known for its speed, simplicity, and developer-friendly approach, later acquired by StackPath in 2016.

Marketing TechnologyLos Angeles, California
M

MaxPoint Interactive

Acquired

Hyperlocal Advertising / Programmatic Display

MaxPoint Interactive was a digital advertising platform that used hyperlocal targeting to connect national brands with local consumers, later acquired by Valassis.

Location-Based AdvertisingProgrammatic PlatformRaleigh, North Carolina
Maxymiser

Maxymiser

Marketing Technology / Optimization & Personalization

A testing and personalization platform, now part of Oracle Marketing Cloud, that enables marketers to optimize digital experiences through A/B testing and behavioral targeting.

Marketing AnalyticsMarketing TechnologyRedwood City, California
Maze

Maze

User Research & Testing Software / UX Research Tools / Product Development Tools

Maze is a rapid user research and testing platform that has revolutionized how product teams conduct user research by making it faster, more accessible, and seamlessly integrated into existing design workflows. The platform provides a comprehensive suite of research methodologies including usability testing, prototype validation, surveys, card sorting, tree testing, and other validation tools that enable teams to gather actionable insights in hours rather than weeks. By democratizing user res...

Marketing Technology
McCann

McCann

Advertising & Creative Services

McCann is a global advertising agency network and part of the Interpublic Group, offering integrated marketing communications, creative services, and brand strategy across 120+ countries.

Data & AnalyticsMarketing PlatformNew York, New York
M

McCann Dublin

Integrated Advertising & Creative Agency

McCann Dublin is the Irish office of the global McCann Worldgroup network, delivering integrated advertising and creative communications for major brands across Ireland and internationally.

Marketing AgencyDublin, County Dublin