Auction Technology Group (ATG) operates digital marketplaces and proprietary technology that support curated online auctions. Its platforms connect expert auctioneers with buyers and sellers, helping people discover and trade pre-owned goods through a trusted auction channel. ATG serves multiple market verticals and provides technology designed to scale across businesses at different stages of online development.

In FY25, the group operated 10 marketplaces used by more than 3,900 auction houses. Its platforms listed 26.8 million lots, hosted over 99,000 online auctions and recorded 457 million web sessions. Items listed achieved a total final sale value, or Total Hammer Value, of £12.1 billion. ATG says it helped facilitate the sale of more than 26 million curated used items during the year, supporting the secondary goods market and a more sustainable approach to commerce.

The company also offers services and information for investors, shares responsibility and sustainability initiatives, and recruits specialists to help digitally transform the auction industry.