Topsort, a privately owned company headquartered in the US, was founded in 2021 and operates with approximately 100 employees, specializing in retail and commerce media ad tech. The company reported $10.0M in revenue as of 2024. Topsort provides retail media infrastructure, supporting omni-channel retailers, marketplaces, and delivery apps across more than 40 countries worldwide. Its solutions leverage AI and machine learning technology and adhere to a privacy-by-design ad monetization framework. Customers include Ambev, Petco, HEB, Trademe, Poshmark, DeliveryHero’s Glovo, and Nana.
On September 3, 2026, Topsort announced a partnership with CDON Group, one of the largest online marketplaces in the Nordics, to power marketplace-native retail media across its e-commerce ecosystem. The collaboration aims to bring API-first commerce media infrastructure, built around shopper relevance and real-time intent, to CDON's platform. Previously, on August 30, Topsort detailed new offerings including in-store planning, offsite geotargeting, and streamlined ad reporting capabilities, designed to simplify day-to-day campaign operations for complex commerce media programs. Earlier on August 30, the company highlighted that OBI, a major European home improvement retailer, improved its return on ad spend (ROAS) by 93% from December 2025 through June 2026. OBI modernized its retail media infrastructure with Topsort, achieving a 136% increase in attributed sales and a 127% rise in purchases through real-time auction decisioning, relevance-driven sponsored product selection, and AI-powered bidding.
Topsort offers 2 products in the ad tech and services industry. Topsort's product portfolio comprises of retail and commerce media ad tech and RTB and programmatic.
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Topsort's revenues were less than $25M in 2024. Caretta Research has split Topsort's revenue into 2 different product categories, the largest of which is retail media ad servers and onsite platforms. For full access to Topsort's revenue breakdown subscribe to Caretta Portal.
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Topsort's customers primarily consist of retail companies. Examples of Topsort's customers include El Puerto de Liverpool, Sodimac and Falabella. Topsort has partners like Skai.
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