Companies
4,251 companies in the AdTech ecosystem
Rasa
Conversational AI / Enterprise Software
Rasa Technologies GmbH is a leading open-source conversational AI platform that empowers developers to build sophisticated AI assistants and chatbots. It provides a comprehensive framework for natural language understanding (NLU) and dialogue management, enabling enterprises to create custom, context-aware virtual assistants. Rasa is widely used for automating customer service, internal support, and other conversational interfaces.
RateMDs
Healthcare Advertising/Lead Generation
RateMDs is an online platform that allows patients to search for doctors and healthcare providers and read/write reviews about their experiences.
Rational 360
Political & Advocacy Advertising / Public Affairs Digital Strategy
Rational 360 is a full-service digital strategy and communications firm specializing in data-driven public affairs, advocacy, and political advertising campaigns.
Readme
Developer Tools
ReadMe provides interactive API documentation and developer experience platforms that help companies create better documentation for their APIs.
Real Clear
Digital Media & News Publishing
RealClear is a digital media network and political news aggregator operating RealClearPolitics and a suite of topic-specific news sites, reaching millions of readers and offering advertising and sponsored content opportunities.
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.
Recharge
Commerce Technology / Subscription Management
Recharge is a leading subscription payments platform for ecommerce brands, enabling recurring billing and subscription management for online stores.
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.
Relap.io
Content Recommendation & Native Advertising
Relap.io is a content recommendation and personalization platform that helps publishers increase audience engagement and monetize traffic through AI-driven content discovery widgets.
Repricer.com
E-commerce Technology / Pricing Intelligence
Repricer.com is a leading automated repricing solution designed for online sellers on platforms like Amazon, eBay, and Walmart. It helps businesses dynamically adjust product prices to win the Buy Box, maximize profits, and maintain a competitive edge in fast-changing marketplace environments.
Rev
Speech-to-Text Services / Transcription Technology
Rev is an AdTech Platform that provides a suite of advertising and marketing tools to help businesses reach and engage their target audience.
Reviewbox
E-commerce Technology / Reputation Management Software
Reviewbox is a software-as-a-service (SaaS) platform specializing in comprehensive customer review management solutions for e-commerce businesses. The platform serves as a centralized hub that aggregates customer reviews from multiple sourcesâincluding proprietary websites, major marketplaces like Amazon, Google Business profiles, and social media platformsâinto a single unified interface. This consolidation enables online retailers to maintain consistent brand reputation, respond promptl...
rEvolution
Sports Marketing & Sponsorship
rEvolution is a sports marketing agency specializing in sponsorship consulting, activation, and integrated marketing services for brands and rights holders.
Riversand
Data Management / MarTech Infrastructure
Riversand is a Master Data Management (MDM) and Product Information Management (PIM) platform provider.
Rollbar
Application Performance Monitoring (APM) / Error Tracking / DevOps Tools
Rollbar is a real-time error monitoring and debugging platform designed to help software development teams identify, diagnose, and resolve application errors quickly. Founded in 2012, the company provides continuous code improvement tools that automatically collect, analyze, and alert developers about errors and exceptions across their entire technology stack. Rollbar's platform supports multiple programming languages and frameworks, making it a versatile solution for modern development teams...
S4S Ventures
AdTech / MarTech Venture Capital
S4S Ventures is a venture capital and advisory firm focused on investing in and accelerating early-stage AdTech, MarTech, and media technology startups.
Saleshood
Sales Enablement
Saleshood is a sales enablement platform that combines training, coaching, and content management to help sales teams improve performance and productivity.
Sanity.io
Content Management / MarTech Infrastructure
Sanity.io is a composable content platform that provides a headless CMS with real-time collaboration and structured content management capabilities.
SBS
Broadcast & Streaming Advertising
SBS (Special Broadcasting Service) is Australia's multilingual public broadcaster, operating TV, radio, and digital platforms that reach diverse audiences across the country.
Scandit
Scandit is a leading enterprise technology company specializing in computer vision and augmented reality solutions. It transforms smartphones, tablets, and wearables into high-performance data capture tools, enabling barcode scanning, text recognition, and object recognition for various industries like retail, logistics, and healthcare.
Scope3 by Apostra
Ad Tech / Sustainable Advertising
Carbon-emissions measurement product for digital advertising. Apostra kept it under the Scope3 brand when Scope3 renamed itself Apostra in September 2026.
Sellzone
E-commerce Marketing Tools
An Amazon seller toolkit providing product research, keyword optimization, and listing management tools for FBA sellers and Amazon marketplace vendors.
Semarchy
Data Management (not AdTech)
Semarchy provides a unified data platform for master data management (MDM), data integration, and data governance, primarily serving enterprise data management needs.
Semcasting
Audience Data & Identity Resolution
Semcasting is a data-driven audience targeting company specializing in deterministic IP-based audience segmentation and identity resolution for programmatic advertising.