| O'DWYER, Tony ACTIVE | Director | 15 Dec 2020 | | United Kingdom | April 1970 | The St Botolph Building, 138 Houndsditch, London, EC3A 7AW, England |
| WILLIAMS, David Nicholas ACTIVE | Director | 15 Dec 2020 | | United Kingdom | February 1971 | 1, Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom |
| ELLIS, Sallie RESIGNED | Secretary | 04 Oct 2017 | 16 Apr 2020 | | | 1 Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom |
| MELTZER, Michael Irwin RESIGNED | Secretary | 22 Jul 2003 | 02 Dec 2016 | | | 56 Mansfield Road, White Plains, Ny, 10605, Usa |
| SOLOMON, Stephen Edward RESIGNED | Secretary | 23 Oct 2002 | 22 Jul 2003 | | | 79 Strathcona Avenue, Bookham, Leatherhead, Surrey, KT23 4HR |
| SEVERNSIDE SECRETARIAL LIMITED RESIGNED | Nominee Secretary | 23 Oct 2002 | 23 Oct 2002 | | | 14-18 City Road, Cardiff, CF24 3DL |
| COHEN, Andrew Edward RESIGNED | Director | 23 Oct 2002 | 15 Nov 2002 | England | August 1960 | 16 Glendale Drive, Burpham, Guildford, Surrey, GU4 7HX |
| GARRAD, Lewis RESIGNED | Director | 01 Jan 2011 | 02 Dec 2016 | United Kingdom | January 1983 | Premier House, 15-19 Church Street West, Woking, Surrey, GU21 6JD, United Kingdom |
| JOHNSON, Christopher Simon Paul RESIGNED | Director | 02 Dec 2016 | 15 Dec 2020 | England | February 1952 | 1 Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom |
| KLEIN, Douglas Allan RESIGNED | Director | 22 Jul 2003 | 30 Nov 2015 | Usa | July 1964 | 2019 Kenneth Road, Merrick, New York, 11566, Usa |
| MALLOZZI, John RESIGNED | Director | 01 Jan 2011 | 02 Dec 2016 | Usa | March 1968 | Premier House, 15-19 Church Street West, Woking, Surrey, GU21 6JD, United Kingdom |
| MCKIM, Laura Jane RESIGNED | Director | 29 Jun 2017 | 15 Dec 2020 | United Kingdom | July 1979 | 1 Tower Place West, Tower Place, London, EC3R 5BU, United Kingdom |
| MELTZER, Michael Irwin RESIGNED | Director | 22 Jul 2003 | 02 Dec 2016 | Usa | July 1950 | 56 Mansfield Road, White Plains, Ny, 10605, Usa |
| QUINN, Mark James Hamilton RESIGNED | Director | 02 Dec 2016 | 29 Jun 2017 | Scotland | August 1965 | One, Christchurch Way, Woking, Surrey, GU21 6JG, United Kingdom |
| SALTZMAN, Jeffrey Mitchell RESIGNED | Director | 22 Jul 2003 | 03 Aug 2006 | | May 1959 | 24 Pond Hollow Court, Pleasantville, New York, 10570, Usa |
| SHERMAN, John Cline, Dr RESIGNED | Director | 22 Jul 2003 | 04 Aug 2006 | | March 1947 | 170 Villanova Drive, Paramus, New Jersey, 07652, FOREIGN, Usa |
| SOLOMON, Stephen Edward RESIGNED | Director | 23 Oct 2002 | 22 Jul 2003 | | November 1947 | 79 Strathcona Avenue, Bookham, Leatherhead, Surrey, KT23 4HR |
| STARRITT, John Nicholas RESIGNED | Director | 15 Nov 2002 | 02 Dec 2016 | United Kingdom | August 1953 | Premier House, 15-19 Church Street West, Woking, Surrey, GU21 6JD, United Kingdom |
| SEVERNSIDE NOMINEES LIMITED RESIGNED | Nominee Director | 23 Oct 2002 | 23 Oct 2002 | | | 14-18 City Road, Cardiff, CF24 3DL |