The Derbyshire Group Staff Union was a trade union in the United Kingdom, representing workers at the Derbyshire Building Society.
The union was founded in 1972 as the Derbyshire Building Society Staff Association.
[1] In 1979, it applied for a Certificate of Independence, but this was refused.
[2] It was finally granted a certificate in 1986.
[1] In 2010, it merged with the Cheshire Group Staff Union to form One Union of Regional Staff.