Autotrader.co.uk Customer Care service Phone number, Office Address, Toll-Free, Social profiles, Email- AUTOTRADERS is a trading company via Internet and mobile in which people can buy and sell new, certified, and used cars from auto dealers and private sellers. The company was founded in 2012 and is based in Atlanta, Georgia. AutoTrader.com, Inc. operates as a subsidiary of Cox Automotive, Inc. This company was founded by John Madejski and Paul Gibbons.we are providing all the contact details like Email addresses, phone numbers etc, for the Millions of consumers.