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Companies

3,685 companies in the AdTech ecosystem

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CBS Sports

Sports Media & Publishing

CBS Sports is a leading sports media division of Paramount Global, offering live sports broadcasting, digital streaming, and advertising solutions across multiple platforms.

Video Advertising PlatformProgrammatic PlatformNew York, New York
Celebrus

Celebrus

Data Management Platform / Customer Data Infrastructure

Celebrus provides first-party data capture and identity resolution technology for digital customer experience optimization and fraud prevention.

Data & AnalyticsCustomer Data PlatformManchester, England
Cellxpert

Cellxpert

Affiliate Marketing Technology / Performance Marketing

Marketing TechnologyPerformance MarketingTel Aviv
Celtra

Celtra

Creative Automation & Ad Creative Management

Celtra is a leading advertising technology company that provides a comprehensive platform for creating, managing, and optimizing digital advertising campaigns across multiple channels and devices.

Creative Management PlatformCreative PlatformBoston, Massachusetts
Celum

Celum

Digital Asset Management (DAM) / Enterprise Content Management / MarTech

Celum is an established enterprise software provider headquartered in Austria, specializing in Digital Asset Management (DAM) solutions designed for mid-to-large organizations with complex content management requirements. Since its founding, the company has positioned itself as a strategic digital transformation partner, particularly strong in the European market, helping enterprises manage extensive digital content libraries including images, videos, documents, and marketing materials. The p...

Marketing TechnologyAustria, Vienna
Censhare

Censhare

Censhare is a universal content management platform that helps companies manage, create, and deliver content across all channels. It integrates digital asset management (DAM), product information management (PIM), and content management system (CMS) functionalities into a single platform. This enables efficient content operations and personalized customer experiences for global brands.

Creative Management PlatformMarketing TechnologyMunich, Bavaria
Census

Census

Data Infrastructure / Marketing Technology

Census is a leading Reverse ETL platform that syncs customer data from data warehouses to operational tools like CRMs, marketing automation, and support platforms. It empowers business teams to activate their data for personalized customer experiences without needing engineering resources.

Customer Data PlatformData Management PlatformSan Francisco, California
Centerbridge Partners

Centerbridge Partners

Private Equity

Centerbridge Partners is a global multi-strategy private investment firm based in New York, managing approximately $40B+ in capital. Acquired Acoustic (formerly IBM Watson Marketing) from IBM July 2019, taking the marketing technology assets private and rebranding them under the Acoustic name.

Centro

Centro

Rebranded

Digital Advertising Software / AdTech Platform

Enterprise advertising software platform that was acquired by SteelHouse in 2017, providing workflow automation and campaign management solutions for digital advertising.

Creative Management PlatformDemand Side Platform (DSP)Chicago, Illinois
Ceros

Ceros

Marketing Technology / Content Creation Software

Ceros is a cloud-based interactive content creation platform founded in 2012 that empowers marketers, designers, and content creators to build immersive digital experiences without requiring coding knowledge. The platform provides a drag-and-drop interface that enables users to create interactive infographics, ebooks, microsites, lookbooks, and other engaging content formats that go beyond static PDFs and traditional web pages. Ceros has positioned itself as a solution for enterprise marketin...

Creative Management PlatformCreative PlatformNew York, NY, United States, New York
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Certona

Acquired

E-commerce Personalization

Certona was a personalization and product recommendation engine provider for e-commerce and digital marketing, acquired by Kibo Commerce in 2017.

AI-Powered PlatformE-commerce MarketingSan Diego, California
Chainlink

Chainlink

Chainlink is a decentralized oracle network that provides secure and reliable real-world data to smart contracts on any blockchain. It enables smart contracts to securely interact with off-chain data feeds, web APIs, and traditional bank payments, expanding their capabilities beyond the blockchain.

Blockchain Advertising
Chalice Custom Algorithms

Chalice Custom Algorithms

Programmatic Advertising / AI-Powered AdTech

Chalice provides custom AI and machine learning algorithms for advertising optimization, audience targeting, and campaign performance. The company builds proprietary models for brands and agencies to improve programmatic advertising outcomes.

AI-Powered Platform
Chameleon

Chameleon

Chameleon is a product adoption platform that empowers SaaS companies to create personalized in-product experiences without code. It helps improve user onboarding, feature adoption, and overall product engagement through tools like product tours, tooltips, and microsurveys.

Marketing PlatformCustomer EngagementSan Francisco, California
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Chango

Defunct

Programmatic Advertising / Search Retargeting

Chango was a pioneering search retargeting and programmatic advertising platform that used search intent data to deliver highly targeted display ads before being acquired by Rubicon Project in 2014.

Contextual AdvertisingDemand Side Platform (DSP)Toronto, Ontario
Channel Advisor

Channel Advisor

Rebranded

E-Commerce & Multichannel Commerce Technology

ChannelAdvisor is a cloud-based e-commerce platform that helps brands and retailers optimize their online sales across marketplaces, digital marketing channels, and their own websites.

Marketplace TechnologyE-commerce MarketingResearch Triangle Park, North Carolina
Channel Bakers

Channel Bakers

Retail Media and E-Commerce Advertising

US e-commerce and retail-media agency. Acquired by Havas February 2025 (majority stake), integrated into Havas Market within Havas Media Network.

Retail Media PlatformMarketing AgencyHuntington Beach, California
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Channel Factory

Brand Safety & Contextual Targeting

Channel Factory is a brand safety and contextual targeting platform specializing in YouTube and connected TV advertising, helping brands reach relevant audiences while avoiding harmful content.

Contextual AdvertisingVideo Advertising PlatformNew York, New York
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Character.AI

Conversational AI / Consumer Technology

An AI chatbot platform enabling users to create and interact with AI-powered characters, now operating as a subsidiary of Google.

AI-Powered PlatformMenlo Park, California
Chartable

Chartable

Acquired

Podcast Analytics and Attribution

Chartable was a podcast analytics and attribution platform that helped publishers and advertisers measure podcast audience growth and ad performance before being acquired by Spotify in 2022.

Attribution & AnalyticsAudio AdvertisingNew York, New York
Chartbeat

Chartbeat

Content Analytics & Audience Intelligence

Chartbeat is a content analytics company that provides real-time data and tools for publishers to understand audience engagement. It helps editorial and business teams optimize content, improve reader attention, and maximize advertising revenue across various digital platforms.

Data & AnalyticsMarketing AnalyticsNew York, New York
Chartboost

Chartboost

Acquired

Mobile In-App Advertising

Chartboost is a leading mobile advertising and monetization platform specializing in in-app advertising for gaming and app developers, now operating as a subsidiary of Zynga.

Mobile Ad PlatformAd ExchangeSan Francisco, California
Charter Communications

Charter Communications

TV & Streaming Advertising / Local & Regional Media

Charter Communications, Inc. is the second-largest cable operator in the United States, providing video, internet, voice, and mobile services under the Spectrum brand. Headquartered in Stamford, Connecticut. Co-owner (with Comcast and Cox) of the Ampersand multichannel ad-sales JV; its ad-sales arm Spectrum Reach is the operating subsidiary.

Attribution & AnalyticsConnected TV PlatformStamford, Connecticut
Chartio

Chartio

Defunct

Business Intelligence and Analytics

Chartio was a cloud-based business intelligence and data visualization platform that enabled non-technical users to explore and analyze data through an intuitive drag-and-drop interface.

Data & AnalyticsMarketing AnalyticsSan Francisco, California