LEO I I computers were installed in many British offices, including Ford Motor Company, British Oxygen Company and the 'clerical factory' of the Ministry of Pensions at Newcastle. LEO l l l computers were installed in Customs & Excise, Inland Revenue, The Post Office and in Australia, South Africa and Czechoslovakia.

 

The first installations were:

LEO I I / 1  J. Lyons & Co. Ltd  London  May 1957 
LEO I I / 2  W.D. & H.O. Wills Ltd  Bristol  Sep 1958
LEO I I / 3 Stewarts & Lloyds Ltd  Corby  Jun 1958 
LEO I I / 4 Ford Motor Co.(parts)  Aveley  Dec 1958
LEO I I / 5  Leo Computers Ltd  London  Jul 1959
LEO I I / 6 Ministry of Pensions  Newcastle  Nov 1959
LEO I I / 7  British Oxygen Co.  Edmonton  Feb 1960
LEO I I / 8 Standard Motor Co.  Coventry  Jul 1960
LEO I I / 9 Ilford Limited (films)  Ilford  Nov 1960
LEO I I / 10 W.D. & H.O. Wills Ltd  Bristol  Apr 1961
LEO I I / 11 Ford Motor Co. (payroll)  Dagenham  Jan 1961