| MCCULLOCH, Thomas ACTIVE | Secretary | 01 Apr 2021 | | | | The Bakery, 10 Greenlees Road, Cambuslang, Glasgow, G78 8JJ, Scotland |
| MCGILL, Allan ACTIVE | Director | 01 Apr 2021 | | Scotland | July 1971 | The Bakery, 10 Greenlees Road, Cambuslang, Glasgow, G72 8JJ, Scotland |
| BROWN, Clare RESIGNED | Secretary | 01 Apr 1995 | 01 Nov 1996 | | | 6 Silkwood Close, Northburn Lea, Cramlington, Northumberland, NE23 9LS |
| DOCHERTY, Ian RESIGNED | Secretary | 01 Nov 1996 | 16 Apr 2012 | | | 13a East Montrose St, Helensburgh, Dunbartonshire, G84 7ER |
| MCKNIGHT, William John RESIGNED | Secretary | 16 Apr 2012 | 01 Apr 2021 | | | Napier Building, Scottish Enterprise Technology Park, East Kilbride, Glasgow, G75 0QF |
| PARKER, Martin RESIGNED | Secretary | 23 Jul 1992 | 01 Apr 1995 | | | 8 Lodore Road, Jesmond, Newcastle Upon Tyne, Tyne & Wear, NE2 3NN |
| ROBERTSON, James RESIGNED | Secretary | 10 Jan 1990 | 23 Jul 1992 | | | 2 Summerfield Road, Cumbernauld, Glasgow, Lanarkshire, G67 4PA |
| QUILL SERVE LIMITED RESIGNED | Nominee Secretary | 27 Jun 1988 | 10 Jan 1990 | | | 249 West George Street, Glasgow, G2 4RB |
| BROWN, Clare RESIGNED | Director | 01 Apr 1995 | 01 Nov 1996 | | April 1950 | 6 Silkwood Close, Northburn Lea, Cramlington, Northumberland, NE23 9LS |
| CLABBY, David Angus RESIGNED | Director | 04 Apr 1997 | 01 Nov 2010 | Great Britain | December 1960 | 27 Cottenham Park Road, Wimbledon, London, SW20 0RX |
| DOYLE, Brian RESIGNED | Director | 01 Jan 2005 | 04 Nov 2007 | | March 1968 | 32 Canmore Park, Stonehaven, Kincardineshire, AB39 2WJ |
| FINLAYSON, John Charles RESIGNED | Director | 02 Oct 2008 | 20 Jul 2011 | Scotland | September 1963 | 14 Redford Loan, Edinburgh, Midlothian, EH13 0AX |
| FOSTER, John Anthony RESIGNED | Director | 09 Jun 1993 | 01 Apr 1995 | | May 1945 | 8 Burnside Close, Ovingham, Prudhoe, Northumberland, NE42 6BS |
| GUERIN, John Michael RESIGNED | Director | 23 Jul 1992 | 09 Jun 1993 | | April 1946 | 64 Harlsey Road, Stockton On Tees, Cleveland, TS18 5DQ |
| GUY, Christopher Stewart RESIGNED | Director | 01 Apr 2021 | 31 Mar 2023 | United Kingdom | August 1974 | Octagon House, Concorde Way, Segensworth North, Fareham, Hampshire, PO15 5RL, England |
| HARGREAVES, Jonathan Watson, Dr RESIGNED | Director | 23 Jul 1992 | 09 Feb 1993 | United Kingdom | March 1950 | 118 Newgate Street, Morpeth, Northumberland, NE61 1DA |
| HIGGINS, William RESIGNED | Director | 28 Jun 1988 | 23 Jul 1992 | | September 1937 | Northwood, Milton, Dumbarton, Dunbartonshire, G82 2SG |
| HOWELL, Keith Martin RESIGNED | Director | 23 Feb 2001 | 20 Jul 2011 | Scotland | February 1956 | White Moss, West Linton, Peeblesshire, EH46 7BS |
| KELLY, Stephen RESIGNED | Director | 01 Jan 2005 | 20 Jul 2011 | Northern Ireland | October 1971 | 8 Manor Hill, Derry, County Derry, BT47 2JT, Northern Ireland |
| LAWRENCE, Colin RESIGNED | Director | 02 Oct 2008 | 20 Jul 2011 | Scotland | March 1965 | 20, Ross Road, Edinburgh, EH16 5QN |
| MACKENZIE, Kenneth Norman RESIGNED | Director | 04 Apr 1997 | 15 Jan 2004 | United Kingdom | May 1949 | 5 Blackbraes Way, Newmachar, Aberdeen, AB21 0WF |
| MAYBERRY, Brian Richard RESIGNED | Director | 01 Nov 1996 | 13 Feb 2018 | Scotland | November 1951 | West Murdieston, Thornhill, Stirling, Stirlingshire, FK8 3QE |
| MAYBERRY, Brian Richard RESIGNED | Director | 31 May 1990 | 04 Jan 1993 | | November 1951 | 28 Westermains Avenue, Kirkintilloch, Glasgow, Lanarkshire, G66 1EQ |
| MCGILL, Allan RESIGNED | Director | 01 Jan 2005 | 20 Jul 2011 | Scotland | July 1971 | 11 Calderpark Road, Glasgow, Lanarkshire, G71 7RG |
| MCHARD, Stephen Anthony RESIGNED | Director | 01 Nov 1996 | 20 Jul 2011 | Scotland | January 1957 | 4 Upper Sutherland Crescent, Helensburgh, Argyll & Bute, G84 9PQ |
| MCKNIGHT, William John RESIGNED | Director | 20 Jul 2011 | 01 Apr 2021 | Scotland | November 1962 | Napier Building, Scottish Enterprise Technology Park, East Kilbride, Glasgow, G75 0QF, United Kingdom |
| RUTHERFORD, Ann RESIGNED | Director | 29 Oct 1996 | 01 Nov 1996 | | June 1962 | 37 Baroness Drive, Newcastle Upon Tyne, NE15 7AU |
| SINCLAIR, Alister Edward RESIGNED | Director | 01 Nov 1996 | 31 Oct 2009 | United Kingdom | July 1949 | 12b Seafield Road, Aberdeen, Aberdeenshire, AB15 7YT |
| VALENTE, Michael RESIGNED | Director | 20 Jul 2011 | 28 Feb 2018 | Scotland | March 1958 | Napier Building, Scottish Enterprise Technology Park, East Kilbride, Glasgow, G75 0QF |
| WALKER, John Archibald RESIGNED | Director | 28 Jun 1988 | 31 May 1990 | | | 5 Park Crescent, Bearsden, Glasgow, Lanarkshire, G61 4HL |
| WATSON, David John RESIGNED | Director | 01 Apr 1995 | 01 Nov 1996 | United Kingdom | February 1944 | 13 Apperley Avenue, High Shincliffe, Durham, DH1 2TY |
| QUILL FORM LIMITED RESIGNED | Nominee Director | 27 Jun 1988 | 28 Jun 1988 | | | 249 West George Street, Glasgow, G2 4RB |
| QUILL SERVE LIMITED RESIGNED | Nominee Director | 27 Jun 1988 | 28 Jun 1988 | | | 249 West George Street, Glasgow, G2 4RB |