Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,714 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
2004 Unit Engineers and Constructors Ltd was established
2004 Unit Engineers and Constructors acquired Unit Superheaters, bringing together fabrication, mechanical construction and maintenance expertise with specialist engineering services.
2009 Unit acquired the project, turnaround and bundle-pulling division of Motherwell Bridge.
2010 the Unit Group acquired Birwelco from Haden Freeman, adding engineering design, global project management and procurement and patented flare systems, to create one of the UK’s only true EPCM contractors. The combined unit was named Unit Birwelco.