The company commenced the construction of its first factory in Trafford Park, Manchester the same year.
The Belgian electrical engineer, Paul Mossay, worked for BTH in the period 1902–1906 developing induction motors.
Then in 1906 he started working for British Westinghouse, creating even larger motors.
This was reinforced in 1910 when the board voted to remove George Westinghouse from his role as chairman.
Metropolitan Carriage Wagon Company bought a controlling interest in the group in 1917.