One Union of Regional Staff (OURS) was a trade union in the United Kingdom.

The union was formed in early 2010 by the merger of the Derbyshire Group Staff Union and the Cheshire Group Staff Union. It organized former Derbyshire Building Society and Cheshire Building Society workers now employed by the Nationwide Building Society and was affiliated to the Trades Union Congress.Britain's Unions, TUC

The members of OURS voted to merge with the Nationwide Group Staff Union, and this process was completed on 1 September 2011.Mergers, Certification Officer

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