General Footer – Top 911 SBD is a London based Porsche specialist working in repairs, services and sales. 911 SBD are experts in all things Porsche including sales, repairs, servicing and restoration. Get in touch on 0208 208 0464 or via our contact form. EXPERIENCED Our team are experienced experts spending 25 years in the business having been established in 1989. PERSONALISED Thanks to our personalised service you can keep up to date with what is going on with your Porsche whenever you like. PROFESSIONAL Professionalism is key at 911 SBD and our passion for Porches allows us to offer an unmatched car repair service.