Companies

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.

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 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 is a leading global out-of-home (OOH) advertising company operating billboards, street furniture, and transit displays across multiple continents.

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 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 was a sales engagement platform that provided content management, communication tracking, and analytics tools for sales teams before being acquired by Bigtincan in 2019.

Clemenger BBDO is one of Australia and New Zealand's most awarded creative agencies, delivering integrated advertising and communications solutions across the region.

CleverTap is a customer engagement and retention platform that helps businesses personalize their interactions with customers across multiple channels, including mobile apps, websites, and email.

Click Guardian is a leading click fraud protection service designed to safeguard pay-per-click (PPC) advertising campaigns from invalid clicks. It employs advanced algorithms to identify and block fraudulent activity, ensuring that businesses maximize their ad spend and improve the return on investment for their digital marketing efforts.

Meta's fastest-growing SMB ad format — cross-app placement spanning Facebook/Instagram → WhatsApp business chat. +60% YoY revenue Q3 2025. Strategic messaging-as-commerce surface.

Clickadu is a global advertising network specializing in pop-under, push notifications, and alternative ad formats for publishers and advertisers.

ClickBank is a leading digital marketplace and e-commerce platform that specializes in connecting product creators with affiliate marketers to facilitate the distribution and sale of digital products. Established as one of the pioneering platforms in the digital product space, ClickBank has built a robust ecosystem that enables entrepreneurs, content creators, and information product vendors to reach global audiences through a vast network of affiliate partners. The platform handles all aspec...

ClickCease is a leading click fraud prevention software that protects online advertising campaigns from invalid clicks and bot traffic. It utilizes advanced algorithms and machine learning to identify and block fraudulent sources, ensuring advertisers only pay for legitimate engagement. This helps businesses improve their ad campaign ROI by preventing wasted ad spend across platforms like Google Ads and Facebook Ads.

ClickHouse is an open-source columnar database management system designed for real-time analytics and OLAP workloads at massive scale.

ClickMeter is a specialized marketing technology platform that delivers advanced link tracking, conversion monitoring, and campaign analytics solutions tailored specifically for performance-based marketers. Founded to address the precision tracking needs that general analytics platforms cannot adequately fulfill, ClickMeter serves a diverse global clientele including affiliate marketers, digital advertisers, performance marketing professionals, agencies, and e-commerce businesses requiring gr...

Clicktale was a pioneering digital experience analytics platform that used heatmaps, session replays, and behavioral data to help enterprises optimize customer journeys — later acquired by Contentsquare.

ClickUp is a leading provider of workflow automation and project management solutions designed to consolidate multiple productivity tools into a single, unified platform. The company has established itself as a comprehensive work management solution that enables teams to plan, organize, and collaborate on projects with enhanced efficiency. ClickUp's platform addresses the common challenge of tool fragmentation in modern workplaces by offering an all-in-one solution that combines task manageme...

Clicky is a web analytics platform founded in 2006 that provides real-time website traffic monitoring and analysis tools for businesses, bloggers, and website owners. The company offers an alternative to mainstream analytics platforms with a focus on simplicity, speed, and real-time data visualization. Clicky distinguishes itself through its user-friendly interface and emphasis on actionable insights rather than overwhelming users with excessive data points. The platform tracks individual vi...

Clinch is a cloud-based platform that helps companies create, manage, and distribute digital assets, such as images, videos, and documents. The platform offers a range of features, including brand management, asset library, and workflow automation.

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.

Cloudera is an enterprise data platform company offering hybrid cloud analytics and AI solutions, formed from the merger of Cloudera and Hortonworks, now operating as a private company under KKR and CD&R ownership.