Companies
3,610 companies in the AdTech ecosystem
Chili Piper
MarTech/SalesTech (Revenue Operations)
Chili Piper is a SaaS platform that automates meeting scheduling and lead routing for B2B sales teams, helping companies convert inbound leads faster.
Chitika
DefunctAd Networks & Publisher Monetization
Chitika was a search-targeted online advertising network that served billions of ads monthly to publishers outside of Google's ecosystem, specializing in intent-based display advertising.
Chocolate Platform
Influencer Marketing Technology / Social Commerce
Chocolate Platform is a social commerce and influencer marketing technology company that connects brands with content creators. The platform provides tools for influencer discovery, campaign management, and performance tracking with integrated e-commerce capabilities.
Choozle
Programmatic Advertising / Demand-Side Platform (DSP)
Choozle is a leading programmatic advertising platform that empowers digital marketers to plan, buy, and optimize digital ad campaigns across display, video, mobile, and social channels.
Choreograph
Data Platforms / AdTech Infrastructure
Choreograph is WPP's data company — formed April 2021 from the merger of Wunderman Thompson Data + GroupM MPlatform. Provides audience data, identity, and analytics infrastructure across all WPP agencies. Now part of WPP Media (post-2025 GroupM rebrand).
Chorus.ai
AcquiredConversation Intelligence / Sales Enablement
Chorus.ai is a leading conversation intelligence platform acquired by ZoomInfo that records, transcribes, and analyzes sales calls and meetings to help revenue teams improve performance.
Churnzero
Customer Success Platform (MarTech/Customer Engagement, not AdTech)
ChurnZero is a leading Customer Success platform designed for subscription businesses to combat churn and drive growth. It provides a comprehensive suite of tools that enable customer success teams to understand customer health, automate personalized experiences, and engage proactively. The platform helps businesses manage the entire customer lifecycle, from onboarding to renewal, ensuring customers achieve value from their products.
Cimagine Media
DefunctAugmented Reality / Visual Commerce
Cimagine Media was an Israeli augmented reality startup that enabled consumers to visualize products in their real-world environments before purchasing, acquired by Snap Inc. in 2016.
Cincopa
Digital Asset Management / Content Delivery
Cincopa is a comprehensive digital asset management (DAM) platform that enables businesses to host, manage, and embed various media types like videos, images, audio, and documents. It provides customizable galleries, advanced analytics, and integrations to enhance online content delivery and engagement across websites and digital channels.
Cint
Market Research & Consumer Insights Technology
Cint is a global software leader in digital insights and research technology, connecting researchers with consumers through the world's largest consumer network for survey-based research.
Circana
Market Research & Consumer Analytics / Retail Media Measurement
Circana is a leading market research and analytics firm formed from the 2022 merger of IRI and NPD Group, providing consumer behavior insights and purchase data across retail and CPG industries.
CircleCI
DevOps & Continuous Integration/Continuous Delivery (CI/CD)
CircleCI is a leading continuous integration and continuous delivery (CI/CD) platform that empowers software development teams to automate their build, test, and deployment processes. The company provides cloud-native developer tools that enable engineering organizations to release code with confidence and speed, reducing the time from commit to deployment while maintaining high quality standards. CircleCI's platform is designed to integrate seamlessly into modern development workflows, suppo...
Cisco Meraki
Physical Security & Video Surveillance
Cisco Meraki provides cloud-managed IT solutions including wireless, switching, security, and IoT devices for simplified network management.
Cision
PR & Communications Intelligence / Earned Media
Cision is a leading PR and earned media software platform that helps brands monitor, analyze, and amplify their communications across global media channels.
Citizen Relations
Earned-Media & Public Relations Agency
Citizen Relations is a North American earned-media + PR agency, headquartered in Toronto with offices across Canada and the US. Originally part of the Vision7 group, transferred to BlueFocus in 2017 and divested to Plus Company in May 2021. Specializes in influencer + earned-media + brand PR. Sources: Plus Company portfolio + Citizen Relations.
CitrusAd
Retail Media
CitrusAd is a retail media platform that enables retailers to monetize their digital properties through sponsored product ads, now operating as part of Publicis Groupe.
Civic
Identity Verification / Blockchain Infrastructure
Civic Technologies is a leading provider of decentralized identity verification solutions, leveraging blockchain technology to empower users with control over their personal data. Their platform enables businesses to securely verify identities, streamline onboarding processes, and reduce fraud while enhancing user privacy.
CJ Affiliate
Affiliate Marketing
CJ Affiliate is a global affiliate marketing network connecting advertisers with publishers to drive performance-based customer acquisition and sales.
Clarabridge
AcquiredCustomer Experience Management / Text Analytics
Clarabridge was a leading customer experience management (CEM) platform that used AI-powered text analytics to transform customer feedback into actionable insights — acquired by Qualtrics in 2021.
Claravine
Marketing Data Governance / MarTech
Claravine is a marketing data governance platform that helps organizations standardize, control, and connect their marketing data from the point of creation. It ensures data quality and consistency across various marketing and advertising channels, enabling more accurate analytics, better activation, and improved compliance.
Clarifai
AI/ML Platform with AdTech Applications
Clarifai is a leading AI platform for unstructured data, specializing in computer vision, natural language processing, and large language models. It provides a full-stack AI platform that enables developers and enterprises to build, deploy, and scale AI applications. Clarifai's technology helps organizations understand, organize, and make predictions from images, video, text, and audio data.
Clarip
Privacy Technology / RegTech / Compliance Software
Clarip is an AI-powered privacy management and data protection platform designed to help organizations navigate the increasingly complex landscape of global data privacy regulations. The company addresses the critical challenge faced by modern enterprises: maintaining compliance across multiple regulatory frameworks including GDPR, CCPA, LGPD, and other international privacy laws while managing resource constraints. By transforming traditionally manual and resource-intensive privacy processes...
Claritas
Audience Data & Consumer Intelligence
Claritas is a leading data-driven marketing and audience intelligence company, offering consumer segmentation, identity resolution, and targeting solutions to help brands reach the right audiences.
Clarivoy
Automotive Marketing Analytics
Clarivoy is an automotive marketing analytics and attribution platform that helps dealerships and OEMs measure and optimize their advertising performance across channels.