In 1862 he had bought Queen, a magazine for women which had popular 'Exchange and Mart' columns allowing readers to buy and sell products.

[1] In May 1868 a weekly paper, Exchange & Mart, was founded by Cox in a converted potato warehouse in Covent Garden.

A 1998 study described Exchange and Mart as a "well known and established paper", also "hard edged, no nonsense" and popular for selling vehicles, a forerunner to more modern publications such as Loot.

[4] However, in 2009 and with its final ABC Circulation figures (December 2007) at 21,754 Exchange and Mart focused on becoming an online only business and ceased publishing the printed magazine.

Users can search for vehicles using a wide range of filters, including price, model, postcode, age and mileage.

From 2012 Exchange and Mart builds and hosts web and mobile sites for independent motor dealers, helping them reach a wider, online audience.