| Conor David Burns | 25 July 2019 | 16 September 2021 |
| Sir Gerald Edgar Grimstone, Baron Grimstone | 18 March 2020 | 2 October 2022 |
| Rt Hon Penelope Mary Mordaunt | 16 September 2021 | 6 September 2022 |
| Conor David Burns | 7 September 2022 | 7 October 2022 |
| James Philip Duddridge | 7 September 2022 | 26 October 2022 |
| Rt Hon Gregory William Hands | 9 October 2022 | 7 February 2023 |
| Dominic Robert Andrew Johnson, Baron Johnson of Lainston | 24 November 2022 | 7 February 2023 |