Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,497 pages of information and 233,940 images on early companies, their products and the people who designed and built them.


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of Birmingham (registered office)

1993 Ptarmigan Holdings plc changed its name to Graystone plc

1993 Sold G. A. Stadler and Co and Gainsborough Flowers. Subsidiaries included:

1993 Acquired British Syphon Co

1995 Acquired Ring Group, supplier of automotive parts and consumer lighting products[1]

1997 Sale of the engineering division. After a profit warning and failure of a bid for the company, the chairman resigned.

1998 Name changed to Ring plc; moved head office from Wilmslow to Leeds.

See Also


Sources of Information

  1. The Times June 8, 1995
  • Companies House filings