ATG's platform powers a multi-brand, multi-vertical approach to digital marketplaces.
Our diverse product proposition across various stages of the auction lifecycle, provides
unique cross-selling opportunities.

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 or classic car 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 retail returns and surplus consumer product. With a national network of auction houses, i-bidder 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, BidSpotter brings a global online audience to high profile insolvency auctions from all over the world. is the leading auction marketplace in North America selling hundreds of thousands of industrial and commercial assets per 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.