AdTech Startups
1,965 companies tagged AdTech, with their investors and founders.
Chargy is a Spanish data-driven company that offers a marketing channel through free mobile charging stations ("Chargy Marketing"), letting brands collect consumer data and deliver digital content such as surveys, promotional videos, and ads. It targets venues like restaurants, hotels, airports, shopping centers, and universities, providing business intelligence and real-time communication with customers.
1 investor
Megaphone (at chartable.com) is a podcast hosting and monetization platform that lets creators and publishers distribute episodes to podcast apps, insert dynamic ads, and access the Spotify Audience Network. It also provides analytics and promotion tools to help podcasters grow their audience and revenue.
1 investor
Chiikishinbunsha publishes and distributes free papers and handles insert-flyer advertising across roughly 1.7 million households in Chiba and Ibaraki prefectures, Japan, using a network of about 2,500 distribution staff. The company positions its weekly push-based household reach as an asset for advertising, recruitment matching, and alliances with web platform operators.
1 investor
Cinarra processes location data from wireless networks and provides measurement and analytics services that enable network operators to monetize location insights at scale.
1 investor
Cineverse develops proprietary streaming technology and invests in entertainment content, offering tools for content management, distribution, and Connected TV advertising to filmmakers, media companies, publishers, and streaming platforms. The company also operates media brands and services such as horror news site Bloody Disgusting and media distribution provider Giant Worldwide.
1 investor
An AI-powered platform that automates the creation and optimization of user-generated content (UGC) and influencer ads for Meta and TikTok. The platform uses a proprietary Performance Video Model to identify high-converting video moments and generate ad variants for e-commerce brands.
1 investor
Citix creates urban advertising and display gadgets designed for pedestrian-focused environments in smart cities.
1 investor
CitrusAd provides technology and solutions for retail brands to better understand and serve their customers in competitive markets.
1 investor
A global education company operating across multiple segments since 1996, serving learners and institutions through products designed to improve educational outcomes and operational efficiency. The company maintains operations across India, UAE, US, Singapore, Mauritius, and Indonesia.
1 investor
HUMAN provides malvertising detection and prevention for publishers and ad platforms, using behavioral analysis and threat intelligence to identify and block malicious ads and landing pages in real-time.
1 investor
Clear Channel Outdoor provides out-of-home advertising solutions and media planning services to help advertisers integrate OOH into their marketing campaigns.
1 investor
ClearTrust (formerly Botman) is an ad fraud prevention platform that uses AI-driven fraud detection to block bots and invalid traffic, helping advertisers, brands, and publishers protect their digital ad spend. It operates in the AdTech and cybersecurity space.
1 investor
Clickable automates marketing data collection and reporting for agencies and brands, integrating data from social, search, CRM, email, and marketing funnel tools to measure ROI and provide customized dashboards.
1 investor
ClickCease provides click fraud and ad fraud prevention technology that analyzes paid advertising traffic in real time across Google, Meta, and Microsoft Ads platforms. The service blocks invalid traffic sources and fraudulent clicks to protect marketing budgets for digital advertisers.
1 investor
ClickFacts provides malware detection and content moderation software for buyers and sellers of online media, testing ads and web pages to prevent malware distribution and inappropriate content. It serves advertisers and websites in the advertising technology and cybersecurity space.
1 investor
CLINK is a Japanese influencer marketing agency that provides end-to-end services including campaign planning, influencer casting, and performance analysis across platforms such as YouTube, Instagram, X, and TikTok. It also offers digital marketing, social media account management, AI development support, live commerce, and creative production for brands.
1 investor
Cluster provides go-to-market infrastructure for AI agents, giving them access to 50+ GTM data sources, LinkedIn and email sending tools, and the ability to run many subagents in parallel for outbound prospecting. It handles lead building, enrichment, scoring, in-market signals, campaign sequences, and gifting for sales and outbound teams working through models like Claude and Codex.
1 investor
CLX Europe creates, manages, and delivers high-quality media content and product data for global multi-channel marketplaces, with particular expertise serving luxury brands. The company operates across creative asset management, photo and video production, and content operations from concept to worldwide distribution.
1 investor
Code Maestro builds an AI-powered development platform for game developers that assists with project insights, onboarding, code writing, editing, and refactoring, and integrates with popular game engines. It serves both indie creators and large studios looking to speed up development cycles and automate repetitive tasks.
1 investor
Codeway is a mobile app publisher that builds and scales AI-powered consumer apps, with a portfolio of over 60 apps. The company handles products from concept to launch, using data-driven, performance-focused development and marketing.
1 investor
Collective Audience provides cloud infrastructure for advertising on the open web, connecting publishers, brands, and data platforms to eliminate inefficiencies in the digital media supply chain. The company operates an open ecosystem that enables direct transactions between advertising participants.
1 investor
Collider is an accelerator and investment platform that connects angel investors with later-stage B2B startups in marketing, advertising, commerce, and sustainability sectors. The platform provides pre-vetted investment opportunities, global scouting across 50+ countries, and dedicated support from strategy and operations experts.
1 investor
Compliant provides a data integrity rating system for digital advertising, including its Data Integrity Index (DII) that scores publishers' data practices to help media buyers curate higher-quality inventory. It serves advertisers, agencies, and publishers looking to improve campaign performance and reduce compliance risk in the ad supply chain.
1 investor
Connecty AI provides autonomous AI agents that analyze marketing creative (ads, videos, landing pages) alongside customer and revenue data to recommend daily actions like scaling, killing, or re-cutting ads. It targets DTC marketing teams by connecting to Meta, Google, TikTok, and Shopify to optimize ROAS, and also offers enterprise data automation using a dynamic semantic context system.
1 investor














