| 05/10/20 | 11:02:05 | 5 Oct 2020 | | Holding(s) in Company | RNS |
| 05/10/20 | 11:01:04 | 5 Oct 2020 | | Holding(s) in Company | RNS |
| 05/10/20 | 11:00:08 | 5 Oct 2020 | | Holding(s) in Company | RNS |
| 21/09/20 | 07:00:07 | 21 Sept 2020 | | 2020 Interim Results | RNS |
| 11/09/20 | 07:00:04 | 11 Sept 2020 | | Holding(s) in Company | RNS |
| 11/09/20 | 07:00:04 | 11 Sept 2020 | | Holding(s) in Company | RNS |
| 08/09/20 | 07:00:09 | 8 Sept 2020 | | Holdings in Company | RNS |
| 13/08/20 | 07:00:07 | 13 Aug 2020 | | Trading Update & Notice of Interim Results | RNS |
| 29/07/20 | 15:47:57 | 29 Jul 2020 | | Director/PDMR Shareholding | RNS |
| 17/07/20 | 07:00:04 | 17 Jul 2020 | | New Contract & Notice of Half-Year Trading Update | RNS |
| 22/05/20 | 07:00:05 | 22 May 2020 | | Business Update | RNS |
| 15/05/20 | 12:00:05 | 15 May 2020 | | Result of AGM | RNS |
| 20/04/20 | 13:58:02 | 20 Apr 2020 | | Issue of Equity and Director Dealing | RNS |
| 20/04/20 | 07:00:06 | 20 Apr 2020 | | 2019 Preliminary Results | RNS |
| 25/03/20 | 07:00:06 | 25 Mar 2020 | | Covid-19 Update | RNS |
| 16/03/20 | 12:51:53 | 16 Mar 2020 | | Notice of Results | RNS |
| 10/03/20 | 12:00:01 | 10 Mar 2020 | | Contract Update | RNS |
| 03/03/20 | 10:00:02 | 3 Mar 2020 | | Completion of Australian Acquisition | RNS |
| 19/02/20 | 07:00:09 | 19 Feb 2020 | | Statement of Intent for Prospective £5m Contract | RNS |
| 07/02/20 | 11:08:15 | 7 Feb 2020 | | Holding(s) in Company | RNS |
| 03/02/20 | 07:00:17 | 3 Feb 2020 | | Contract Wins | RNS |
| 03/02/20 | 07:00:09 | 3 Feb 2020 | | Trading Update | RNS |
| 22/01/20 | 16:58:23 | 22 Jan 2020 | | Holdings in Company | RNS |
| 21/01/20 | 07:00:13 | 21 Jan 2020 | | £3.44m Australian Acquisition | RNS |
| 22/11/19 | 07:00:08 | 22 Nov 2019 | | Board Re-organisation & Directorate Changes | RNS |
| 07/11/19 | 08:15:36 | 7 Nov 2019 | | Holdings in Company | RNS |
| 31/10/19 | 10:48:10 | 31 Oct 2019 | | New £3.4m Contract Award and Qatar Update | RNS |
| 24/09/19 | 08:00:08 | 24 Sept 2019 | | 2019 Interim Results | RNS |
| 09/09/19 | 08:00:08 | 9 Sept 2019 | | Launch of Aviation Skills Charter | RNS |
| 15/08/19 | 11:07:13 | 15 Aug 2019 | | Director/PDMR Shareholding | RNS |
| 12/08/19 | 08:00:07 | 12 Aug 2019 | | Director/PDMR Shareholding | RNS |
| 09/08/19 | 08:00:04 | 9 Aug 2019 | | Pre-Close Trading Update | RNS |
| 31/07/19 | 19:11:19 | 31 Jul 2019 | | Holding(s) in Company | RNS |
| 19/07/19 | 08:00:03 | 19 Jul 2019 | | Acquisition of Track Access | RNS |
| 18/06/19 | 08:00:13 | 18 Jun 2019 | | Holding(s) in Company | RNS |
| 14/06/19 | 08:31:06 | 14 Jun 2019 | | Appointment of Non-Executive Director | RNS |
| 02/05/19 | 14:30:21 | 2 May 2019 | | Director Dealings | RNS |
| 02/05/19 | 08:00:04 | 2 May 2019 | | Major Programme Update | RNS |
| 01/05/19 | 16:30:21 | 1 May 2019 | | Result of AGM | RNS |
| 09/04/19 | 08:00:10 | 9 Apr 2019 | | Issue of Equity and Director Dealings | RNS |
| 19/03/19 | 17:02:22 | 19 Mar 2019 | | Holding(s) in Company | RNS |
| 12/03/19 | 17:21:54 | 12 Mar 2019 | | Publication of 2018 Annual Report | RNS |
| 12/03/19 | 07:00:19 | 12 Mar 2019 | | 2018 Final Results | RNS |
| 08/02/19 | 16:17:01 | 8 Feb 2019 | | Director Dealing | RNS |
| 07/02/19 | 07:35:52 | 7 Feb 2019 | | Acquisition Completed | RNS |
| 04/02/19 | 10:22:08 | 4 Feb 2019 | | Holding(s) in Company | RNS |
| 04/02/19 | 10:19:12 | 4 Feb 2019 | | Holding(s) in Company | RNS |
| 31/01/19 | 15:55:48 | 31 Jan 2019 | | Director/PDMR Shareholding | RNS |
| 29/01/19 | 12:45:02 | 29 Jan 2019 | | Result of Placing | RNS |
| 29/01/19 | 07:00:08 | 29 Jan 2019 | | Proposed Placing | RNS |