Zipcar (UK) Ltd - Registration No. 04525217. Registered in England & Wales. VAT Registration No - 832428339 Registered Office - Melbury House, 51 Wimbledon Hill Rd, London SW19 7QW. Zipcar is the world's largest car sharing and car club provider. Reserve Zipcars in London, Bristol, Cambridge and Oxford, plus North American Zipcar cities including New York, San Francisco and Toronto.