| Personal Information | Role | Appointed | Status | 
|---|
| Estate Office, The Melon Ground, Hatfield Park, Hatfield, England, AL9 5NB | Director | 05 August 2021 | Active | 
| Estate Office, The Melon Ground, Hatfield Park, Hatfield, England, AL9 5NB | Director | 05 August 2021 | Active | 
| Sawmill Cottage, Hatfield Park, Hatfield, AL9 5PG | Secretary | 31 January 1995 | Active | 
| 22, Chancery Lane, London, United Kingdom, WC2A 1LS | Secretary | 19 November 2010 | Active | 
| Sawmill Cottage, Hatfield Park, Hatfield, AL9 5PG | Secretary | 01 December 2000 | Active | 
| 108 Cranbrook Road, Chiswick, London, W4 2LJ | Secretary | 23 July 2007 | Active | 
| Woodhall Farmhouse, Mill Green, Hatfield, AL9 5NU | Secretary | 07 February 2003 | Active | 
| Hornetts Hall West End, Hatfield, AL5 5RQ | Secretary | - | Active | 
| Rose Cottage, The Causeway Peasenhall, Saxmundham, IP17 2HU | Secretary | 15 September 2003 | Active | 
| Hatfield Park Estate Office, Hatfield Park, Hatfield, England, AL9 5NF | Secretary | 21 January 2013 | Active | 
| Sawmill Cottage, Hatfield Park, Hatfield, AL9 5PG | Director | 31 January 1995 | Active | 
| Estate Office, Hatfield Park, Hatfield, England, AL9 5NQ | Director | 18 October 2012 | Active | 
| Hatfield Park Estate Office, Hatfield Park, Hatfield, United Kingdom, AL9 5NQ | Director | 31 March 2011 | Active | 
| 22, Chancery Lane, London, WC2A 1LS | Director | 11 October 2017 | Active | 
| Sawmill Cottage, Hatfield Park, Hatfield, AL9 5PG | Director | 01 December 2000 | Active | 
| 22, Charing Cross Road, London, England, WC2H 0HS | Director | 17 October 2018 | Active | 
| Estate Office, The Melon Ground, Hatfield Park, Hatfield, England, AL9 5NB | Director | 19 October 2022 | Active | 
| 108 Cranbrook Road, Chiswick, London, W4 2LJ | Director | 23 March 1992 | Active | 
| Deep Well House, Great Chishill, Royston, SG8 8SA | Director | - | Active | 
| Woodhall Farmhouse, Mill Green, Hatfield, AL9 5NU | Director | 07 February 2003 | Active | 
| Hornetts Hall West End, Hatfield, AL5 5RQ | Director | - | Active | 
| 22, Chancery Lane, London, WC2A 1LS | Director | 28 September 2016 | Active | 
| 22, Charing Cross Road, London, England, WC2H 0HS | Director | 16 October 2019 | Active | 
| 5, Carrs Meadow, Escrick, United Kingdom, YO19 6JZ | Director | 04 November 2003 | Active | 
| 22, Chancery Lane, London, WC2A 1LS | Director | 19 October 2016 | Active |