Bodywork was supplied by Strachans Coachwork (prototypes only), Park Royal Vehicles, Metro Cammell Weymann and Marshall, to basically the same design.

Subsequently, London Transport converted a number of SMS vehicles to conventional one-man operated saloons by adding more seats and locking the centre exit so it could not be used.

[11] A small number of former London Transport Swifts ran for a time with Hants & Sussex (now Emsworth & District) on services in south east Hampshire.

[14] British Airways once owned an AEC Swift, with a special body that had an open platform at the front, which was designed for airside duties.

Citybus, Belfast purchased 177 Swifts and Merlins between 1977 and 1980 to replace buses destroyed during the Troubles, although most were withdrawn after 1981.

Sixty-five Swifts with bodywork by local builder Bus Bodies were sold to South African operator Durban Transport in 1974.

[24] In early 1981, ten Swifts recently withdrawn by London Transport were exported to Italy to act as emergency control centres and shelters in the aftermath of the 1980 Irpinia earthquake.