The original Mini was made by the British company Austin

60s Minis in the 21st Century #48, a photo by Happy Accs on Flickr.

British car companies, a selected list:

AC (1908-present)
Allard (1899-1902)
Aston Martin (1921-present)
Austin (1906-1989)
Austin-Healey (1952-1971)
Bentley (1919-present)
Brough Superior (1935-1939)
BSA (1907-1926; 1929-1940)
Connaught (1952-59)
Healey (1946-1954)
Jaguar (1945-present)
Jensen-Healey (1972-1976)
Land Rover (1948-present)
Leyland (1920-1923)
Lotus (1951-present)
McLaren (1969-1970; 1993-1998; 2005-Present)
MG (1923-present)
Mini (1959-2000)
Morgan (1910-present)
Morris (1913-1983)
Peerless (1957-1960)
Rolls-Royce (1904-present)
Rover (1904-2005)
Sunbeam (1899-1937; 1953-1976)
Sunbeam-Talbot (1938-1954)
Talbot (1903-1938)
Triumph (1923-1984)
Vauxhall (1903-present)