RSA is the second-largest general insurer in the United Kingdom. Its global headquarters are in the City of London on 20 Fenchurch Street occupying floors 15-17 of the 'walkie-talkie' building. Its UK registered office is 20 Fenchurch St, London. Other key UK offices are located in Liverpool, Bristol, Manchester, Chelmsford, Glasgow, Cardiff, Sunderland, Belfast, Peterborough, Halifax, Birmingham, and Horsham. RSA, including its "More Than" brand, announced itself to be the first carbon neutral insurance company in the UK on 2 December 2006.