| PRISM COSEC LIMITED ACTIVE | Secretary | 20 Aug 2018 | | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| HARRALD, Brent Elliott ACTIVE | Director | 24 Jul 2024 | | United Kingdom | July 1975 | Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, United Kingdom |
| HENDRIE, Craig Francis Bryce ACTIVE | Director | 27 Feb 2007 | | United Kingdom | May 1973 | Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, United Kingdom |
| LUSSIER, Paul ACTIVE | Director | 24 Jul 2024 | | United Kingdom | November 1985 | Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, United Kingdom |
| PARK, Michael George ACTIVE | Director | 28 Feb 2011 | | United Kingdom | May 1967 | Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, United Kingdom |
| ROBERTSON, Michael Angus ACTIVE | Director | 17 Sep 1997 | | United Kingdom | October 1963 | Plexus House, Burnside Drive, Aberdeen, AB21 0HW, United Kingdom |
| ARMOUR, Douglas William RESIGNED | Secretary | 30 Jun 2012 | 14 Mar 2016 | | | 42-50, Hersham Road, Walton-On-Thames, Surrey, KT12 1RZ, United Kingdom |
| BRUCE, Martha Blanche Waymark RESIGNED | Secretary | 14 Dec 2005 | 30 Jun 2012 | | | Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD, United Kingdom |
| HIGHAM, Richard Charles RESIGNED | Secretary | 07 Apr 1997 | 19 May 1999 | | | Bramerton Hall Surlingham Road, Bramerton, Norwich, Norfolk, NR14 7DN |
| DAVID VENUS & COMPANY LLP RESIGNED | Secretary | 14 Mar 2016 | 20 Aug 2018 | | | 42-50, Hersham Road, Walton-On-Thames, Surrey, KT12 1RZ, United Kingdom |
| LEDINGHAM CHALMERS RESIGNED | Nominee Secretary | 08 Aug 1991 | 07 Apr 1997 | | | Johnstone House, 52-54 Rose Street, Aberdeen, AB10 1HA |
| LEDINGHAM CHALMERS LLP RESIGNED | Secretary | 19 May 1999 | 14 Dec 2005 | | | Johnstone House, 52-54 Rose Street, Aberdeen, AB10 1UD |
| BOYD, Mark RESIGNED | Director | 07 Apr 1997 | 19 May 1999 | England | May 1956 | The Old Vicarage The Street, Ringland, Norwich, Norfolk, NR8 6JG |
| BURTON, Kevin RESIGNED | Director | 05 Oct 1998 | 19 May 1999 | | August 1956 | 7 Hallgate, Thorpe End, Norwich, Norfolk, NR13 5DQ |
| CARMONA DA MOTA, Augusto Licinio RESIGNED | Director | 04 Feb 2005 | 28 Feb 2011 | | March 1939 | Rua Antonio Nobre, Casa Dos Flamingos, Murches, Cascais, Alcabideche, 2755212, Portugal |
| HALL, Richard Patrick RESIGNED | Director | 17 Sep 1997 | 05 Oct 1998 | United Kingdom | August 1960 | Ambleside 118a Thorpe Road, Norwich, Norfolk, NR1 1RT |
| MARTIN, Anita RESIGNED | Director | 01 Apr 2013 | 31 Mar 2016 | Scotland | May 1970 | Plexus House, Burnside Drive, Aberdeen, AB21 0HW, United Kingdom |
| MILNE, Ian Fraser RESIGNED | Director | | 14 Mar 1997 | | March 1960 | 11711 Cherryknoll Drive, Houston, Texas, Usa |
| RITCHIE, Colin RESIGNED | Director | 28 Feb 2011 | 31 Jan 2018 | United Kingdom | February 1967 | Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, United Kingdom |
| THRALL, Jerome Jeffrey RESIGNED | Director | 04 Feb 2005 | 28 Feb 2011 | United States | October 1949 | 1250 Dartmouth Road, Flossmoor, Illinois, 60422, United States |
| VAN BILDERBEEK, Bernard Herman RESIGNED | Director | 26 Jan 1993 | 28 Feb 2011 | | February 1948 | 13 Stafford Terrace, London, W8 7BJ |
| VAN BILDERBEEK, Suasan Mary RESIGNED | Director | | 26 Jan 1993 | | May 1948 | 13519 Barryknoll, Houston, Texas, 77079 |