Companies
3,735 companies in the AdTech ecosystem
Cincopa
Digital Asset Management / Media Hosting
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
Networking & IT Infrastructure / Video AdTech
Cisco — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
Cisco Meraki
AcquiredCloud-Managed Networking / Network Infrastructure
Cisco Meraki provides cloud-managed IT solutions including wireless, switching, security, and IoT devices for simplified network management.
Cision
PR & Earned Media Software
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.
Claude
AI/LLM Infrastructure for AdTech and Marketing Automation
Anthropic's flagship LLM family — Claude 3.5/3.7/4 series. AdTech-relevant via PubMatic+Amnet first agentic ad campaign in France, The Trade Desk testing for campaign creation, ad agencies using Claude enterprise tools.
Claude Design
AI Design / Creative Generation / MarTech
Anthropic's design-asset generation product launched 2026-04-17. Generates prototypes, slide decks, marketing one-pagers, and brand visuals from natural-language prompts; native Canva export is the AdTech-relevant hook. Figma stock dropped 7% on launch day. Distinct from claude.ai (chat surface) — this is the visual-creative product surface for marketers and brand teams.
Clean.io
Ad Security & Verification
Clean.io is a cybersecurity company specializing in real-time threat detection and prevention for websites and digital platforms. It protects publishers, e-commerce sites, and other online businesses from malvertising, client-side attacks, and other digital threats that can compromise user experience and revenue.
Clear Channel Outdoor
Out-of-Home (OOH) Advertising
Clear Channel Outdoor is a leading global out-of-home (OOH) advertising company operating billboards, street furniture, and transit displays across multiple continents.
Clearbit
AcquiredB2B Data Enrichment & Intelligence
Clearbit is a B2B data enrichment and intelligence platform that helps businesses identify, understand, and engage their customers — now operating as part of HubSpot.
Clearscope
Content Marketing Technology / SEO Tools
Clearscope is a leading SEO content optimization platform that helps content creators and marketers produce high-ranking content. It provides data-driven insights and recommendations based on top-ranking search results, enabling users to craft content that resonates with both search engines and audiences.
Clearslide
AcquiredSales Enablement Technology
ClearSlide was a sales engagement platform that provided content management, communication tracking, and analytics tools for sales teams before being acquired by Bigtincan in 2019.