Tillingbourne Bus Company was a bus company based in Cranleigh, Surrey. The company operated bus and coach services in Surrey, West Sussex, Hampshire and Berkshire from 1924 until 2001. It was founded as Tillingbourne Valley in 1924, and became a limited company in 1931, taking the name Tillingbourne Valley Services. It initially operated routes in the Guildford area from a garage in Chilworth using small single-deck buses painted in a maroon livery. Coach hire and excursions began in 1931, but two years later these activities split into a separate company, Tillingbourne Valley Coaches, which operated independently for a further 24 years. Until 1970 Tillingbourne was owned and managed by three generations of the Trice family, before being sold to Trevor Brown.