The Whitechapel Bell Foundry is a bell foundry in Whitechapel in the London Borough of Tower Hamlets, and is the oldest manufacturing company in Great Britain. The foundry's main business is the bellfounding and manufacture of church bells and their fittings and accessories, although it also provides single tolling bells, carillon bells and handbells. The foundry is notable for being the original manufacturer of the Liberty Bell, a famous symbol of United States independence. The foundry's premises are a Grade II* listed building.