Hersham and Walton Motors (HWM) is the world's longest established Aston Martin business (having acquired the franchise in 1951) and is well known as a racing car constructor.
Hersham and Walton Motors (HWM) é o concesionario máis antigo do mundo de Aston Martin (logo de adquirir a franquía en 1951), tamén foi un construtor de automóbiles de carreiras.