Hersham and Walton Motors
| Full name | Hersham and Walton Motors |
|---|---|
| Base | Walton on Thames, UK |
| Founder(s) | John Heath |
| Formula One World Championship career | |
| First entry | 1951 Swiss Grand Prix |
| Races entered | 14 |
| Engines | Alta |
| Race victories | 0 |
| Points | 2 |
| Pole positions | 0 |
| Fastest laps | 0 |
| Final entry | 1954 French Grand Prix |
Hersham and Walton Motors (HWM) is the world's longest established Aston Martin business, having acquired the franchise in 1951. As a racing car constructor, HWM competed in Formula One and Formula Two, and in sports car racing.