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Topsort

San Francisco, California, United States · Founded 2021

51-200 employees · N/A

Sourced & current · updated May 18, 20260 of 3 facts verifiedWebsite

Topsort is a technology company that specializes in providing AI-powered auction-based infrastructure for e-commerce and marketplace platforms. The company offers a comprehensive suite of tools that enable online retailers and marketplaces to monetize their traffic through sponsored product listings, search advertising, and personalized product recommendations. Their platform combines machine learning algorithms with real-time bidding technology to optimize product discovery while maximizing ...

Where they sit

Stack tier: Marketing Technology (C)

AI-Powered PlatformRetail Media PlatformProgrammatic Platform

Emerging provider of auction-based advertising infrastructure for e-commerce platforms and marketplaces

Pre-call brief from ATDb — sourced from the live database, current as of May 18, 2026. Not a static screenshot.