Webuyanycar has acquired its one-millionth car, 10 years after it was founded by brothers Noel and Darren McKee.
Based in Middleton, Manchester, the firm runs more than 200 branches nationwide.
Webuyanycar turns over about £685 million in revenue and employs 468 staff.
In 2011, Webuyanycar also entered the American market.
Webuyanycar is owned by BCA, which was bought by a London investment consortium Haversham Holdings in 2015.