Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,151 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
1724 Established by Thomas Longman.
1869 published Smoking Fires, their Cause and Cure, By Rev. Alex Colvin Ainslie, M.A, Vicar of Corfe, Somerset.
1890 Incorporated as an Unlimited Liability Company.
1914 Directors: Thomas Norton Longman, Charles James Longman, George Henry Longman, Sir Hubert Harry Longman, Bart., and William Ellerby Green.
At some point became Longman and Co
Later Longman Group UK
1968 Acquired by S. Pearson and Son
1985 Acquired The Pitman Examination Institute