106 shut down AdTech companies

Defunct ad-tech holding company founded 2014 by Gurbaksh Chahal as a serial acquirer.

IgnitionOne was a leading digital marketing technology platform that provided cross-channel campaign management, audience scoring, and custo…

Ligatus was a Cologne, Germany-based native advertising platform — leading native ads in Europe with 37B+ monthly impressions pre-acquisitio…

LockerDome was a St.

Rocket Fuel (acquired by Sizmek) was an AI-powered programmatic media buying platform that used predictive algorithms for ad targeting and o…

Slide was a pioneering social application platform and widget company that became one of the largest app developers on Facebook and MySpace …

Socialix is a comprehensive influencer marketing platform that serves as critical infrastructure for brands and marketing agencies managing …

Video advertising technology platform that provided programmatic video advertising solutions and demand-side platform (DSP) capabilities bef…

Triggit was a retargeting platform that pioneered real-time bidding technology for display advertising before being acquired by Facebook in …

Barton F.

Cargo was a rideshare advertising platform that enabled drivers to earn extra income by displaying targeted ads on tablets mounted in their …

Cross-device identity resolution company acquired by Oracle in May 2016.

Crowdbooster was a social media analytics and management platform that helped businesses optimize their Twitter and Facebook presence throug…

Flix360 was a video advertising technology platform that provided interactive video solutions and analytics for digital advertisers and publ…

GraphicMail is a global email marketing service provider specializing in comprehensive email campaign solutions with integrated social media…

iAmAttila was a prominent affiliate marketing blog and educational resource run by performance marketer Attila O'dree, offering guides, case…

Lumenad was an advertising intelligence platform that unified cross-channel campaign data into a single workspace, helping media teams strea…

PromoteIQ was a retail media technology platform acquired by Microsoft in 2019 that enabled retailers to monetize their digital properties t…

Reactful was a marketing automation platform that specialized in personalized email and web messaging for e-commerce businesses.

Tophatter is a mobile-first online auction marketplace that revolutionizes e-commerce through its distinctive 90-second rapid-fire auction f…

Userpop was a customer engagement platform that provided tools for creating in-app messages, tooltips, and user onboarding experiences.

Vidnami was a cloud-based video creation tool that automated the production of marketing videos from text scripts, primarily serving content…

Visually was a content creation marketplace connecting brands with designers and creators for visual content including infographics, videos,…

Australian podcast hosting platform acquired by Spotify 2021.

Wide Angle Analytics was a privacy-focused web analytics platform that provided cookie-free tracking and GDPR-compliant analytics for websit…

Wisemetrics was a marketing analytics platform that provided data visualization and reporting tools for digital advertising campaigns.

Yieldr was a programmatic advertising platform specializing in data-driven audience targeting and campaign optimization, with a strong focus…

Amazon Sumerian was AWS's browser-based platform for creating augmented reality (AR), virtual reality (VR), and 3D web experiences without r…

AppRader was a mobile app intelligence and marketing platform that provided competitive analysis, ASO tools, and market insights for mobile …

Facebook Gaming was Meta's dedicated gaming platform that combined game streaming, cloud gaming, and social features before being shut down …

Facebook Video Ads was Meta's native video advertising solution embedded within the Facebook platform, enabling brands to reach billions of …

Hashoff was an AI-powered influencer marketing platform that connected brands with social media creators across major platforms like Instagr…

Indian-market social platform (regional Indian languages, multi-format), launched June 2018.

HOQU was a blockchain-based affiliate marketing platform that aimed to create a decentralized performance marketing ecosystem using smart co…

Kairos was a facial recognition technology company that provided AI-powered face recognition APIs and solutions before shutting down in 2022…

Popcorn Metrics is an AdTech Platform company that provides data-driven advertising solutions to help businesses optimize their marketing ca…

TikTok Now was ByteDance's short-lived BeReal clone that prompted users to share simultaneous front-and-back camera snapshots daily, discont…

Varanida was a blockchain-based advertising platform that aimed to create a transparent, fraud-free digital advertising ecosystem by connect…

WebTagManager is a specialized software-as-a-service (SaaS) provider that delivers accessible tag management solutions designed specifically…

24/7 Media was a pioneering digital advertising network and ad serving company that provided online advertising solutions to publishers and …

Bamboo was Atlassian's continuous integration and deployment server tool for software development teams, not an AdTech company.

Coil was a web monetization platform that used the Interledger Protocol to enable micropayments, allowing creators to earn revenue from subs…

Edgio is a global edge-enabled software platform spanning content delivery, web applications, and edge video.

Near Intelligence is a global data intelligence platform specializing in location-based audience insights and people intelligence, helping b…

SafeGraph was a geospatial data company that provided location intelligence and points-of-interest (POI) data for businesses, researchers, a…

Superunion is a global brand agency formed from the merger of five WPP agencies, specializing in brand strategy, design, and identity for ma…