Roots Oil Motor and Motor Car Co
of 1-3 Chicheley Street, York Road, London
of 100, Westminster Bridge-rd., London (1900)
1897 The company was registered on 15 July, to acquire the business and patent rights of Roots and Venables.  Directors: A. McDonnell, Charles Pratt, F. D. C. Shaw-Kennedy, J. D. Roots, C. E. Venables.
1890s Manufacturing gas and oil engines in horizontal and vertical forms rated up to 6 nhp 
1902 Acquired by Armstrong Whitworth
By 1903 the company was selling Roots cars made by Armstrong Whitworth.
Sources of Information
- The Stock Exchange Year Book 1908
- Freeman's Journal - Wednesday 21 July 1897
- A-Z of British Stationary Engines by Patrick Knight. Published 1999. ISBN 1 873098 50 2