All Henchman ladders are manufactured by an ISO 9001-2000 certified manufacturer, All high-step ladders and professional tripod ladders are designed to adhere to BS EN 131 guidelines. Professional Tripod ladders are now TUV certified, All Henchman ladders and platforms conform to GPSR 2005 and WAHR 2005, Henchman has 50 years combined experience in ladder and platform manufacturing.