Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,028 pages of information and 231,556 images on early companies, their products and the people who designed and built them.
Post WWII projects included a series of hydroelectric schemes to generate power for public consumption for the North of Scotland Hydro-Electric Board including the Glen Affric scheme, started in 1947, and the Glen Garry and Glen Moriston, schemes and those at Strathfarrar and Kilmorack.
Designed the third Woodhead Tunnel railway tunnel which was opened om 1954.
1955 Potters Bar railway tunnel
Initial work on the new Victoria Line beneath central London.
The firm is now known as Halcrow Group Limited.
By 2007, projects outside the UK accounted for around half the company's turnover.