The British Textile Technology Group is a company limited by guarantee based in the North of England. The group was founded 1989 by the merger of the Shirley Institute and Wool Industry Research Association, organisations with histories stretching back 85 years.

The Group has three operating companies :

BTTG Testing and Certification specialises in the testing and Certification of Personal Protective Equipment , Geosynthetics, Floorcoverings and other construction products. It offers Certification to EU Directives.

Shirley Technologies provides a broad range services to the traditional apparel sector. It specialises in Chemical testing and provides certification to the Oeko-tex scheme.

Shirley Dyeing and Finishing is a manufacturing unit. It offers small scale spinning and nonwoven production facilities, and is a commission dyer and finisher of fabrics.