M Winkworth PLC operates as a franchisor for a network of estate agencies under the Winkworth brand, focusing on residential real estate sales and lettings. The company generates revenue primarily through franchise fees and a share of sales and lettings income from its franchisees. Its operations are concentrated in the UK, particularly in London and surrounding regions, where it serves both residential buyers and landlords. Winkworth also manages a small number of owned offices, contributing additional revenue to the group.