Formed in 1915 after the jewellery firm was asked to produce precise rangefinders. Following the death of Major S.H.Garrard in 1945, all the links with Garrard and Company the Crown Jewellers were severed and The Garrard Engineering and Manufacturing Company Ltd. became a separate entity. In 1960 Garrard became part of the Plessey Group of Companies with the name Garrard Engineering Ltd.