With more than twenty years' experience as contract manager of commercial cleaning projects and board director of both Ramoneur and New Century, David's is one of the industry's most respected and authoritative figures. His innovativeness drives Advance's progressive environmental and health and safety policies. 

Patrick Coffey

Patrick pioneered the use of rope access in window cleaning. Since achieving his first abseil qualification in 1990, Patrick is now one of Advance's four IRATA Level 3 abseilers. He is an expert in devising innovative, safe and effective solutions to the complex logistical problems presented by the most inaccessible cleaning projects. 

Jim King

Jim is vastly experienced in a wide range of specialist cleaning, with particular expertise in transportation. His comprehensive knowledge of cleaning in the transportation sector — built over fifteen years' coordinating cleaning contracts for the likes of London Underground and Southern Trains — is unparalleled in the cleaning industry.