Formula 1 
Constructors Teams
HW Motors
Constructors Teams HW Motors| Year | Constructor | Engine | Chassis | Drivers |
| 1954 | HWM | Alta GP 2.5 L4 | HWM 53 | Lance Noel Macklin |
| 1953 | HWM | Alta GP 2.5 L4 | HWM 53 | Peter John Collins Jack Fairman John Cooper Fitch Paul Frère Yves Giraud-Cabantous Duncan Hamilton Lance Noel Macklin Albert Scherrer |
| 1952 | HWM | Alta F2 2.0 L4 | HWM 52 51/52 | George Edgar Abecassis Johnny Claes Peter John Collins Paul Frère Yves Giraud-Cabantous Duncan Hamilton Roger Laurent Lance Noel Macklin Sir Stirling Moss Dries van der Lof |
| 1951 | HWM | Alta 2.0 L4s | 51 | George Edgar Abecassis Sir Stirling Moss |
|
