Auction Technology Group Plc engages in the operations of online marketplaces for curated auctions. It operates through the following segments: Art and Antiques (A and A), Industrial and Commercial (I and C), Auction Services, and Content. The A and A segment offers auction houses that focus on the sale of arts and antiques access to the platforms the-saleroom.com, liveauctioneers.com, and lot-tissimo.com. The I and C segment is involved in the sale of industrial and commercial goods and machinery access. The Auction Service segment includes the group's auction house back-office products with auction mobility and other white label products, including Wavebid.com. The Content segment focuses on Antiques Trade Gazette paper and online magazine. It also operates through the following geographical segments: United Kingdom, United States, and Germany. The company was founded in 1971 and is headquartered in London, the United Kingdom.