| Andrew Charles Travers | Director | 5 Aug 2013 | 23 Jun 2016 | British | 66 years |
| Brian Ronald Sloggett | Director | 19 Feb 2016 | 4 Jan 2019 | British | 66 years |
| Capita Corporate Director Limited | Corporate Director | 18 Jul 2013 | 10 Oct 2013 | United Kingdom | - |
| Christopher George Sellers | Director | 24 May 2017 | 30 Jan 2018 | British | 58 years |
| Daniel James Greenspan | Director | 18 Jul 2013 | 10 Oct 2013 | British | 51 years |
| Dawn Wakeling | Director | 4 Sept 2018 | 19 Oct 2023 | British | 62 years |
| Gary Shilston | Director | 14 Mar 2018 | 30 Jun 2022 | British | 59 years |
| Geoffrey Christopher Yates-kneen | Director | 31 Oct 2016 | 7 Apr 2017 | British | 56 years |
| Graham Cowley | Director | 10 Oct 2013 | 13 Jul 2015 | British | 67 years |
| Ian James Tomkinson | Director | 10 Oct 2013 | 13 Apr 2016 | British | 60 years |
| John Leslie Marshall | Director | 4 Sept 2018 | 5 Apr 2022 | British | 86 years |
| John Nicholas Hooton | Director | 23 Jun 2016 | 28 Jun 2018 | British | 49 years |
| Jonathan Mark Prew | Director | 5 Aug 2015 | 23 Aug 2019 | British | 62 years |
| Joseph Montgomery | Director | 1 Jan 2015 | 19 Oct 2023 | British | 65 years |
| Leon Clarke | Director | 29 Jul 2020 | 18 May 2021 | British | 52 years |
| Mark Neil Dally | Director | 21 Oct 2014 | 31 Dec 2021 | British | 57 years |
| Mark Richard John Wyllie | Director | 10 Oct 2013 | 24 Jul 2014 | British | 60 years |
| Pantelis Papathomas | Director | 30 Jun 2022 | 29 Feb 2024 | British | 50 years |
| Paul Stewart Abraham | Director | 27 May 2021 | 20 Aug 2024 | British | 50 years |
| Richard Alan Cornelius | Director | 5 Aug 2013 | 28 Jun 2018 | British | 71 years |
| Richard Barnes | Director | 7 Nov 2022 | 19 Oct 2023 | British | 65 years |
| Richard Melvyn Marchant | Director | 18 Jul 2013 | 19 Feb 2016 | British | 72 years |
| Rory Mcculloch Fisher | Director | 13 Apr 2016 | 31 Oct 2016 | British | 62 years |
