| 17/02/23 | 09:00:00 | 17 Feb 2023 | | Holding(s) in Company | RNS |
| 16/02/23 | 07:00:03 | 16 Feb 2023 | | Gary Stewart appointed CEO for Australia Sector | RNS |
| 10/02/23 | 13:14:36 | 10 Feb 2023 | | Director/PDMR Shareholding | RNS |
| 06/02/23 | 13:44:50 | 6 Feb 2023 | | Director/PDMR Shareholding | RNS |
| 18/01/23 | 07:00:04 | 18 Jan 2023 | | Third Quarter Trading Update | RNS |
| 16/01/23 | 07:00:06 | 16 Jan 2023 | | £80m contract win with UK MOD | RNS |
| 10/01/23 | 15:43:22 | 10 Jan 2023 | | Director/PDMR Shareholding | RNS |
| 05/01/23 | 14:38:49 | 5 Jan 2023 | | Director Declaration | RNS |
| 12/12/22 | 17:23:49 | 12 Dec 2022 | | Directorate Change | RNS |
| 12/12/22 | 13:44:00 | 12 Dec 2022 | | Director/PDMR Shareholding | RNS |
| 06/12/22 | 07:00:03 | 6 Dec 2022 | | Completion of the acquisition of Air Affairs | RNS |
| 23/11/22 | 12:16:02 | 23 Nov 2022 | | Completion of the acquisition of Avantus | RNS |
| 10/11/22 | 12:13:25 | 10 Nov 2022 | | Director/PDMR Shareholding | RNS |
| 10/11/22 | 07:00:10 | 10 Nov 2022 | | Interim Results | RNS |
| 12/10/22 | 07:00:04 | 12 Oct 2022 | | Second Quarter Trading Update | RNS |
| 11/10/22 | 15:28:57 | 11 Oct 2022 | | Director/PDMR Shareholding | RNS |
| 03/10/22 | 07:06:16 | 3 Oct 2022 | | Acquisition of Air Affairs & disposal of Space NV | RNS |
| 12/09/22 | 15:28:22 | 12 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 26/08/22 | 12:53:09 | 26 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 10/08/22 | 15:36:59 | 10 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 09/08/22 | 07:00:03 | 9 Aug 2022 | | Delivering growth in the US with $45m contract win | RNS |
| 05/08/22 | 18:22:27 | 5 Aug 2022 | | Proposed Acquisition of Avantus Federal LLC | RNS |
| 01/08/22 | 15:19:52 | 1 Aug 2022 | | Holding(s) in Company | RNS |
| 21/07/22 | 15:18:48 | 21 Jul 2022 | | Result of AGM | RNS |
| 21/07/22 | 07:00:08 | 21 Jul 2022 | | First Quarter Trading Update | RNS |
| 19/07/22 | 17:24:05 | 19 Jul 2022 | | Holding(s) in Company | RNS |
| 12/07/22 | 14:09:55 | 12 Jul 2022 | | Holding(s) in Company | RNS |
| 12/07/22 | 13:47:29 | 12 Jul 2022 | | Director/PDMR Shareholding | RNS |
| 29/06/22 | 17:09:41 | 29 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 27/06/22 | 12:35:04 | 27 Jun 2022 | | Holding(s) in Company | RNS |
| 15/06/22 | 09:53:52 | 15 Jun 2022 | | Holding(s) in Company | RNS |
| 14/06/22 | 16:57:21 | 14 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 13/06/22 | 12:59:42 | 13 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 13/06/22 | 12:28:38 | 13 Jun 2022 | | Annual Financial Report | RNS |
| 06/06/22 | 10:52:56 | 6 Jun 2022 | | Holding(s) in Company | RNS |
| 30/05/22 | 12:03:27 | 30 May 2022 | | Notification of Major Shareholding | RNS |
| 23/05/22 | 07:00:06 | 23 May 2022 | | Confirmation of Full Year Results | RNS |
| 19/05/22 | 07:00:10 | 19 May 2022 | | Preliminary Results | RNS |
| 18/05/22 | 07:00:11 | 18 May 2022 | | Directorate Change | RNS |
| 17/05/22 | 11:24:20 | 17 May 2022 | | Holding(s) in Company | RNS |
| 16/05/22 | 13:45:42 | 16 May 2022 | | Holding(s) in Company | RNS |
| 10/05/22 | 11:49:16 | 10 May 2022 | | Director/PDMR Shareholding | RNS |
| 27/04/22 | 07:00:08 | 27 Apr 2022 | | Investor Seminar: Delivering our global ambition | RNS |
| 26/04/22 | 13:37:21 | 26 Apr 2022 | | Holding(s) in Company | RNS |
| 21/04/22 | 09:15:37 | 21 Apr 2022 | | Holding(s) in Company | RNS |
| 20/04/22 | 07:00:03 | 20 Apr 2022 | | Fourth Quarter Trading Update | RNS |
| 12/04/22 | 12:45:21 | 12 Apr 2022 | | Director/PDMR Shareholding | RNS |
| 10/03/22 | 11:27:32 | 10 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 10/02/22 | 11:52:50 | 10 Feb 2022 | | Director/PDMR Shareholding | RNS |
| 10/02/22 | 11:52:14 | 10 Feb 2022 | | Director/PDMR Shareholding | RNS |
