Mann & Overton Limited owned and operated a motor vehicle dealers business previously known as Mann & Overton's and established 14 May 1901 which came to specialise in the supply and financing of London taxicabs, first Unic then Austin Taxicabs, eventually holding the concession for the Austin taxicab chassis for the whole of the Metropolitan Police Area of London.

Carbodies was a taxi design and manufacturing company based in Coventry, England. In its latter years it also traded as London Taxis International and The London Taxi Company.