In 1945 nominal share capital increased to £108,000 and the valuation of the works increased to £98,000. In 1939 both the English Electric Company and Metro Cammell Weymann had approached Roe about amalgamation or takeover and in 1945 talks were opened with Mumford of Lydney in Gloucestershire. These talks were inconclusive but in 1947 Park Royal Vehicles bought a controlling shareholding in the company, three Roe board members were replaced by Park Royal directors and C.H Roe joined the board of Park Royal. In 1949 Park Royal were taken over by Associated Commercial Vehicles by then the parent company of AEC, Crossley and Maudslay.