| OWEN, Deborah Dawn ACTIVE | Secretary | 06 Nov 2025 | | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| CONLON, John Martin ACTIVE | Director | 18 Sep 2018 | | England | July 1957 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| HAMLYN, William Temple ACTIVE | Director | 04 Dec 2020 | | England | May 1971 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| JOHNSON, Simon Thomas ACTIVE | Director | 19 Nov 2021 | | England | May 1975 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| SCOTT, Andrew Nevison ACTIVE | Director | 30 Jun 2017 | | England | December 1977 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| VENNING, Mark Borlase ACTIVE | Director | | | England | September 1942 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| VENNING, Sarah Louise ACTIVE | Director | 01 Apr 2008 | | England | May 1973 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| CAMPBELL, Justine Georgina RESIGNED | Secretary | | 15 Sep 2004 | | | Highbury Sunderland Road, Newbottle, Houghton Le Spring, Tyne & Wear, DH4 4HH |
| CONLON, John Martin RESIGNED | Secretary | 15 Sep 2004 | 09 Nov 2017 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| DAWSON, Maureen Susan RESIGNED | Secretary | 04 Dec 2020 | 31 Jul 2023 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| EVANS, Andrea RESIGNED | Secretary | 02 Jul 2018 | 13 Sep 2018 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| HINDMARSH, Mark Richard RESIGNED | Secretary | 09 Nov 2017 | 10 Nov 2017 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| MARITZ, Jeremy Deon RESIGNED | Secretary | 31 Jul 2023 | 31 Jul 2025 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| THORNDYKE, Helen Elizabeth RESIGNED | Secretary | 28 Nov 2018 | 04 Sep 2020 | | | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| BATCHELOR, Christopher Graham Paul, Dr RESIGNED | Director | 31 Jan 2011 | 22 Jul 2017 | Great Britain | March 1960 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| HAMLYN, Peter Temple RESIGNED | Director | 25 Jan 1995 | 04 Dec 2020 | England | January 1935 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| HARRISON, Cuthbert Temple Lane RESIGNED | Director | | 27 Oct 1991 | | August 1905 | 1 Orchard House, Durham, County Durham, DH1 3DB |
| HARRISON, Helena Maud RESIGNED | Director | | 22 Aug 1994 | | September 1901 | 21 South Crescent, Durham, County Durham, DH1 4NF |
| HIRST, David John RESIGNED | Director | 27 Nov 2009 | 16 Jul 2010 | England | June 1963 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| HOPPS, Peter Laurie RESIGNED | Director | 08 Nov 2007 | 28 Nov 2018 | England | February 1946 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| MATHEWS, Duncan Patrick RESIGNED | Director | 08 Nov 2007 | 19 Nov 2021 | England | November 1958 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| NUNN, Albert Jesse RESIGNED | Director | | 08 Nov 2007 | | May 1927 | 56 Grange Road, Belmont, Durham, County Durham, DH1 1AL |
| REID, Andrew Jonathan RESIGNED | Director | 16 Oct 2017 | 08 Jul 2024 | England | June 1971 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |
| VENNING, Katherine Danvers RESIGNED | Director | | 19 Nov 2021 | England | September 1944 | Harrison And Harrison Ltd, St Johns Road, Meadowfield, Durham, DH7 8YH |