Joinery developed into general building work and in the early 1900s Parkinson's contracts included the Talbot Hotel and the Alhambra Theatre in Blackpool.
[1] On 13 July 1937, the assets were transferred to a newly-formed company, Sir Lindsay Parkinson Holdings Limited.
[2] The company was initially based at the now demolished Lindsay House, 171, Shaftesbury Avenue, London[3] and then relocated to new offices at 6, Lambeth Road, St. George's Circus in 1955.
[4] During the Second World War the company was one of the contractors engaged in building the Mulberry harbour units.
[5] On 20 December 1943, the Chairman of the company, Lieutenant Colonel George Westhead Parkinson MC, was killed, after his car hit a lorry at Bedfont on the Great South-West Road.