Topsort | Company Profile - Revenue, Headcount, Tech Stack, Contacts

Topsort is a retail media infrastructure company founded in 2021. It empowers marketplaces, retailers, and brands to create and optimize their advertising businesses using advanced AI-driven technology. The company aims to make sophisticated, auction-based advertising accessible to a wide range of clients globally.

Its platform offers a suite of tools and APIs for launching and managing advertising formats such as sponsored listings, display ads, and native ads. Operating on privacy-first principles, Topsort utilizes product information for ad targeting—referred to as "Clean Ads"—replacing third-party cookies and supporting a transparent ecosystem for both consumers and advertisers. The core technology centers on a powerful AI-driven auction engine for real-time ad placement optimization. With a flexible, API-first infrastructure, Topsort enables seamless integration with e-commerce platforms and provides customizable solutions. Serving clients in over 40 countries, including Poshmark and Glovo, the company maintains offices in Boston and San Francisco and supports a hybrid work environment.