ATG's platform powers a multi-brand, multi-vertical approach to digital marketplaces offering a diverse product proposition spanning various stages of the auction life-cycle.

Our Platform & Services is Europe's leading auction marketplace for buying art and antiques at auction. Listing anything from kitchen tables to Dodo skeletons, Picassos to antiquities, autographs to Diana’s dresses, ‘mantiques’ to teddy bears, classic cars or coins. is Germany’s leading auction marketplace, acquired by ATG in 2018. Partnering with auctioneers across Germany, France, Spain, Italy, Switzerland, Belgium, Netherlands and Austria. is the UK’s leading auction marketplace for returned and surplus consumer product. With a national network of auction houses, connects millions of visitors with hundreds of millions of pounds of consumer goods each year. is the leading auction marketplace in the UK chosen by insolvency professionals for the efficient disposal of business assets. Trusted by RICS auctioneers, brings a global online audience to high profile insolvency auctions from all over the world. is the largest industrial auction marketplace in North America, connecting millions of industrial buyers to thousands of auctions every year.

Global Auction Platform (GAP Toolbox)

Global Auction Platform (GAP Toolbox) powers ATG’s digital marketplaces. We are the world leader hosting live and timed auctions across multiple brands each day, with real-time audio and video broadcast.

GAP Office

GAP Office is a comprehensive cloud-based auction management SaaS used by auctioneers globally. With features spanning the entire auction lifecycle from valuations and stock, cataloguing and auction day processes, to accounting and reporting.