Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,348 pages of information and 230,176 images on early companies, their products and the people who designed and built them.
Building and Engineering Contractors of Mill Hill, London, NW7.
1848 Company established.
1937 Building and engineering contractors. 
1964 Acquired Holloway White Allom.
1971 Decline in interest in use of system building, something which most of the large contractors used for public sector projects such as housing
1974 Joined a consortium with the Societe des Grands Travaux de Petroliers Maritimes to produce a flotation collar for offshore oil platform tender in 1977.