At Paragon, Lees secured and developed a wide intermediary distribution platform for Paragon Mortgages and Mortgage Trust in the buy-to-let market.
Lees said: “I would like to thank my intermediary contacts for their support over the years and wish my colleagues at Paragon well for the future.
“Moray Hulme, deputy head of sales, will be looking after my connections going forward and I am happy to be handing over to such a safe pair of hands.”
John Heron, managing director of Paragon Mortgages, said: “Andrew has spent most of his career at Paragon and throughout this time has made an outstanding contribution to the development of the mortgage business.
“He is well known throughout the industry and much respected for his vast experience and expertise as well as his quiet unassuming delivery.
“I know all of his friends at Paragon and around the mortgage market will wish him the very best in his retirement.”