Reid and Sigrist was an English engineering company based at New Malden in Surrey.[1] It later acquired sites at Desford and Braunstone in Leicestershire. Initially it developed and manufactured aircraft instrumentation and pilot selection aids but later diversified into flying training and aircraft design. During World War II the company was part of the Civilian Repair Organisation repairing, rebuilding and converting warplanes at the Desford site. Post-war, it continued to manufacture aviation instruments and guidance systems but also diversified further to produce cameras and optical instruments. In 1954, the company was purchased and taken over by the Decca Record Company.[2]