Research from The Potteries dot org:
Colclough China Ltd, Longton 1937 - 1948
China manufacturer at the Vale Works, Goddard Street, Longton, Stoke-on-Trent, England
Formerly Herbert J Colclough.
In 1937 Colclough China was formed by H. J. Colclough and E. B. Shaw from the merger of the businesses of
H. J. Colclough, Thomas Morris and the Osborne China Co.
Colclough China was a mass producer of bone china tea sets in contemporary styles. Colclough's advertised themselves as "Britain's largest manufacturer of Bone China Teaware"
In 1942 Mr. J. E. Leak became a director and from 1944 was the managing director.
In 1944 the business was acquired by Booths Ltd (a member of the Pearson Group) and from mid-1945 the two firms operated co-operatively.
In 1948 the two companies, Booths Ltd and Colclough China Ltd, formally amalgamated as Booths & Colclough Ltd.