Metropress Limited,[2][3] trading as Auction Technology Group, is a digital marketplace business listed on the London Stock Exchange (LSE: ATG).

However, it eventually became an essential tool of the trade[6] - being described by the Burlington Magazine as the "acknowledged 'Bible' of the fine art and antiques industry".

[13] From 15 percent of sales at the time of the MBO in 2008, the-saleroom.com revenues accounted for 45 per cent of the business's £8.9 million turnover by 2012.

[10] The company offered its antique bidding platform to publishers in Germany and France, and invested in China’s live auction site, epai.hk.

[16] On 8 February 2021, the company, chaired by Breon Corcoran, announced plans to float in the London Stock Exchange through an IPO in March 2021.