M Winkworth PLC is a franchisor to Winkworth estate agencies in the United Kingdom. It provides estate agency sales franchising, residential letting, property management, and other business support services under the Winkworth brand. The company also offers a branded platform giving estate agents access to Winkworth's compliance, marketing, public relations, and administration services, along with additional products such as financial services, auctions, surveying, and commercial property sales. Founded in 1835, M Winkworth PLC is based in London, the United Kingdom.