De La Rue then as a stationer and printer. In 1831 he secured his business a Royal Warrant to produce playing cards. In 1855 it started printing postage stamps and in 1860 banknotes. In 1896, the family partnership was converted into a private company. In 1921, the de la Rue family sold their interests. The company was first listed on the London Stock Exchange in 1947. Then called "Thomas De La Rue & Company, Limited", it changed its name in 1958 to "The De La Rue Company Limited". A takeover bid for De La Rue was made by the Rank Organisation plc in
Hippolyte De La Rue he was appointed a Commander of the Order of the British Empire. De La Rue was summarily retired from the RAAF after the war, along with a number of other senior commanders and veterans of World War I, partly to make way for the advancement of younger and equally capable officers, and also due to his suspect health. In recommending early retirement, the CAS, Air Vice Marshal George Jones, noted that De La Rue possessed "fairly good Service knowledge" and was of strong character, but that "sometimes his efforts [were] ill-directed". De La Rue was, furthermore, above the statutory retiring