British Celanese was a chemical company based in England. Formed in 1916, it survived as an independent company until 1957 when it became a subsidiary of Courtaulds.

Courtaulds was a United Kingdom-based manufacturer of fabric, clothing, artificial fibres, and chemicals. It was established in 1794 and became the world's leading man-made fibre production company before being broken up in 1990 into Courtaulds plc and Courtaulds Textiles Ltd.