

of Wigmore Street, London
1890 International Time Recording Co established.
1951 Name changed to I. B. M. United Kingdom Ltd[1]
1951 Company made public; public share issue; expansion of business to include punch card accounting machines and electric typewriters; IBM World Trade Corporation held 60 percent of the shares.
1961 Manufacturers and distributors of punched card accounting and electronic data processing machines, electric typewriters and time recording equipment. 2,500 employees.
1963 Management Buyout of International Time Recording Co: the company was acquired by International Time Recording Holdings which was incorporated for that purpose[2]