Welcome to Renn Works – a unique independent Porsche and McLaren specialist servicing centre in Hertfordshire with fully equipped workshops staffed by experienced, friendly, factory-trained technicians. A new name incorporating PorschaCare and M-Care, Renn Works unites the two expanding sides of our business, reflecting our servicing and specialist offerings for Porsche (PorschaCare) and McLaren (M-Care) under one roof. Renn Works caters for classic, modern, rear, mid- or front-engined Porsche, and McLaren road cars from the 12C to the very latest wonders from Woking.