Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,535 pages of information and 233,960 images on early companies, their products and the people who designed and built them.
of Millbrook, Bedford
1988 Millbrook Proving Ground Ltd was formed as a subsidiary of Group Lotus
1993 The company was transferred to GM Holdings Ltd, still operating as an independent business.
2015 Acquired TestWorld, a Finnish facility providing winter test facilities. Millbrook Group was formed to own and operate the various activities.
2016 Became part of Test and Measurement business of Spectris
2017 Acquired Mi-Technology, previously the CSA Leyland Technical Centre.