Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,170 pages of information and 233,417 images on early companies, their products and the people who designed and built them.
1981 The National Enterprise Board and the National Research Development Corporation were merged by the Government to form a new, non-statutory body called the British Technology Group. It acted principally as a technology transfer company, licensing and commercialising the use of publicly-funded developments.
1982 March: Created Mikro Industrial Instruments with the intention to design, manufacture and sell microprocessor signal conditioning equipment for process control. Midland Bank and Tyne and Wear County Council joined BTG to contribute £200,000 worth of funding for the new company. The new company was the first to benefit from BTG's new initiative to strengthen regional enterprise in those areas traditionally assisted by the National Enterprise Board.
1982 June: BTG created a new company, Newbury Data Recording, combining 2 of its client companies Data Recording Equipment Co and Newbury Laboratories, which would be the largest British-owned supplier of computer peripherals and would market peripherals from other British companies too, such as United Peripherals Ltd, a costly and controversial joint venture with Control Data Corporation of USA
1982 Formed Kongsberg Systems Technology (KST) in Maidenhead with Norway's Kongsberg. Each company invested up to £900,000 in KST with existing assets valued at £1.4 million. Ownership was split 51% to Kongsberg and 49% to BTG. 
1991 The Group was put onto a statutory footing in the British Technology Group Act, 1991 with HM Treasury initially being the only shareholder.
1992 March: Cinven arranged a management buy-out from the Government.
1995 The company was floated on the London Stock Exchange.
1998 the Group adopted the BTG name. It now focuses its work on developing and commercialising medical innovations.