Companies
3,816 companies in the AdTech ecosystem
Reactflow
Marketing Technology (MarTech) - Conversion Rate Optimization
Reactflow is a no-code conversion rate optimization (CRO) platform that empowers marketing teams to independently create, test, and deploy conversion-focused website experiences without requiring developer resources. The platform addresses a critical operational bottleneck in digital marketing where teams traditionally depend on engineering support to implement A/B tests, personalization campaigns, and landing page optimizations. By combining an intuitive visual interface with enterprise-grad...
Reactful
MergedConversion Rate Optimization / Website Personalization
Reactful was a marketing automation platform that specialized in personalized email and web messaging for e-commerce businesses.
Readme
Developer Tools
ReadMe provides interactive API documentation and developer experience platforms that help companies create better documentation for their APIs.
Readymag
Creative Design Tools
Readymag is a browser-based design tool for creating websites, portfolios, presentations, and digital publications without coding.
Real Chemistry
Healthcare Marketing & AdTech
Real Chemistry is a global health innovation company that blends data science, AI, and creative strategy to help life sciences and healthcare brands connect with patients, providers, and payers.
Realeyes
Creative Analytics & Attention Measurement
Realeyes is an attention and emotion measurement company that uses computer vision and AI to analyze how audiences respond to video advertising content via webcam-based facial coding. Advertisers and agencies use the platform to pre-test creative assets and predict in-market performance before media spend. The company's attention metrics are used to optimize creative effectiveness and media planning.
Reality Labs
AR/VR Hardware / Metaverse
Reality Labs is Meta's hardware, AR, and VR division. Builds Meta Quest VR headsets (formerly Oculus), Ray-Ban Meta smart glasses (with EssilorLuxottica), the Meta Quest VR ecosystem, and Horizon Worlds metaverse platform. Distinct revenue segment in Meta's financials since 2021. Spends $15-20B+ per year on Meta's metaverse/AR future bet.
RealPage
AcquiredProperty Technology (PropTech) / Real Estate Software
RealPage is a leading provider of software and data analytics for the real estate industry, offering property management, revenue management, and leasing solutions to multifamily and commercial property operators.
Rebus
Self-Serve Advertising Platform
A subsidiary of Tremor International that provides a self-serve advertising platform for small and medium-sized businesses to create and manage digital campaigns.
Recast
Marketing Measurement & Attribution
Recast is a Bayesian marketing mix modeling (MMM) platform that helps brands measure the true incrementality of their advertising spend without relying on cookies or user-level tracking.
Recharge
Commerce Technology / Subscription Management
Recharge is a leading subscription payments platform for ecommerce brands, enabling recurring billing and subscription management for online stores.
Recruit Holdings
HR Technology, Recruitment Advertising, Vertical Media
Recruit Holdings — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
Recycler
Classified Advertising
Recycler is a classified advertising platform that operates print and digital marketplaces for automotive, merchandise, and employment listings.
Red Hat
Enterprise Infrastructure / Cloud Platform
Red Hat is the leading enterprise open-source software company, providing Red Hat Enterprise Linux (RHEL), OpenShift (Kubernetes platform), Ansible (automation), and a portfolio of cloud-native software. Acquired by IBM July 9, 2019 for $34 billion — IBM's largest acquisition ever. Operates as an independently managed IBM subsidiary preserving its open-source culture and brand.
Red Havas
Public Relations & Integrated Communications
Havas's global PR and communications micro-network.
Redbrick
MarTech / SaaS Portfolio
Canadian technology holding company based in Victoria, British Columbia. Acquires and grows internet brands. Portfolio includes Animoto (acquired August 2023), Leadpages, and several other SaaS properties.
Redbubble
E-commerce Marketplace / Print-on-Demand
Redbubble is a global online marketplace that connects independent artists with customers worldwide. It allows artists to upload their designs and sell them on a wide range of products, with Redbubble handling the manufacturing, shipping, and customer service.
Redbud Media
Performance Media & AdTech Consultancy
Redbud Media is a US-based independent media agency and AdTech consultancy focused on performance-driven media buying across digital and traditional channels for mid-market brands. The company specializes in retail media strategy, paid search, and programmatic planning. It represents the growing tier of independent performance agencies operating outside the major holding groups.
RedCircle
Podcast Advertising and Hosting
Reddit Ads
Social Media Advertising
Reddit's advertising platform enabling brands to reach highly engaged communities through targeted ads across one of the internet's largest social platforms.
Reddit Inc.
Social Media Advertising
Reddit is a massive social media and community platform that has evolved into a significant digital advertising destination, offering brands access to highly engaged, interest-based communities at scale.
RedEye
AcquiredMarketing Automation & Customer Data Platforms
RedEye was a UK-based customer data and marketing automation platform specializing in behavioral targeting, email marketing, and cross-channel personalization for enterprise retailers and travel brands.
Redfin
Real Estate Technology / Digital Advertising
Redfin — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
Redpoint Global
Customer Data Platform (CDP) / Marketing Technology
Redpoint Global is a technology company that provides customer experience management solutions to enterprises across various industries.