MissionWe want to have a lasting relationship with you. We want you, your friends and family to rely on us for all your window cleaning needs. We wish to build that trust and make sure that you come back to us year after year. Company OverviewN Clark Window Cleaning LTD is a predominantly Domestic Window Cleaning company that was established on 21st July 2009, and operates In London from Richmond and Ealing round to Islington and Haringey and as far south as Wimbledon. Only about 20% of all work is commercial. The company grew from N Clark Window Cleaners which had been trading since September 2002.DescriptionDomestic and Commercial Window Cleaning Company. We maintain that if windows are cleaned by hand they will look the best they possibly can, so we are dedicated to finding safe ways of achieving traditional window cleaning methods on even the most complicated buildings. When this is not possible either for safety or economic reasons we use modern pure water technology and other forms of safe high access.