| 28/06/17 | 10:50:49 | 28 Jun 2017 | | Holding(s) in Company | RNS |
| 21/06/17 | 16:03:09 | 21 Jun 2017 | | Holding(s) in Company | RNS |
| 02/06/17 | 08:00:03 | 2 Jun 2017 | | Contract Announcement | RNS |
| 31/05/17 | 15:09:46 | 31 May 2017 | | Notice of Results | RNS |
| 09/05/17 | 11:42:22 | 9 May 2017 | | Director/PDMR Shareholding | RNS |
| 04/04/17 | 19:32:30 | 4 Apr 2017 | | Holding(s) in Company | RNS |
| 04/04/17 | 19:32:09 | 4 Apr 2017 | | Holding(s) in Company | RNS |
| 16/03/17 | 15:59:08 | 16 Mar 2017 | | Director/PDMR Shareholding | RNS |
| 09/03/17 | 08:00:04 | 9 Mar 2017 | | Contract Announcement | RNS |
| 09/02/17 | 15:44:26 | 9 Feb 2017 | | Holding(s) in Company | RNS |
| 28/12/16 | 07:00:15 | 28 Dec 2016 | | Holding(s) in Company | RNS |
| 12/12/16 | 07:00:11 | 12 Dec 2016 | | Half-year Report | RNS |
| 09/12/16 | 07:00:05 | 9 Dec 2016 | | Director/PDMR Shareholding | RNS |
| 07/11/16 | 07:00:07 | 7 Nov 2016 | | Contract Win | RNS |
| 21/10/16 | 13:53:54 | 21 Oct 2016 | | Director/PDMR Shareholding | RNS |
| 17/10/16 | 08:00:07 | 17 Oct 2016 | | Contract Win | RNS |
| 14/10/16 | 18:14:56 | 14 Oct 2016 | | Director/PDMR Shareholding | RNS |
| 11/10/16 | 08:00:05 | 11 Oct 2016 | | Reorganisation at SCS | RNS |
| 07/10/16 | 17:11:08 | 7 Oct 2016 | | Director/PDMR Shareholding | RNS |
| 07/10/16 | 17:05:43 | 7 Oct 2016 | | Director/PDMR Shareholding | RNS |
| 04/10/16 | 08:00:05 | 4 Oct 2016 | | Capital Markets Event | RNS |
| 13/09/16 | 17:19:06 | 13 Sept 2016 | | Result of AGM | RNS |
| 13/09/16 | 08:00:07 | 13 Sept 2016 | | AGM Statement | RNS |
| 31/08/16 | 11:55:39 | 31 Aug 2016 | | Director Share Options | RNS |
| 16/08/16 | 15:52:56 | 16 Aug 2016 | | Director Share Awards, Options and Shareholdings | RNS |
| 29/07/16 | 16:50:33 | 29 Jul 2016 | | Annual Report | RNS |
| 25/07/16 | 08:00:11 | 25 Jul 2016 | | Contract Win | RNS |
| 28/06/16 | 08:00:09 | 28 Jun 2016 | | Final Results | RNS |
| 28/06/16 | 08:00:08 | 28 Jun 2016 | | Acquisition of controlling stake completed | RNS |
| 16/05/16 | 10:53:38 | 16 May 2016 | | Notice of Results | RNS |
| 06/05/16 | 16:29:34 | 6 May 2016 | | Change of Registered Office | RNS |
| 31/03/16 | 08:00:07 | 31 Mar 2016 | | Contract Win | RNS |
| 16/03/16 | 16:26:05 | 16 Mar 2016 | | Director/PDMR Shareholding | RNS |
| 07/03/16 | 15:20:12 | 7 Mar 2016 | | Update on Acquisition | RNS |
| 10/02/16 | 11:16:28 | 10 Feb 2016 | | Director/PDMR Shareholding | RNS |
| 29/01/16 | 10:59:35 | 29 Jan 2016 | | Update on acquision of Portuguese defence business | RNS |
| 06/01/16 | 09:00:11 | 6 Jan 2016 | | Interim Report | RNS |
| 16/12/15 | 12:06:18 | 16 Dec 2015 | | Director/PDMR Shareholding | RNS |
| 14/12/15 | 07:00:07 | 14 Dec 2015 | | Half Yearly Report | RNS |
| 25/11/15 | 07:00:05 | 25 Nov 2015 | | Contract Win | RNS |
| 28/10/15 | 16:11:30 | 28 Oct 2015 | | Director/PDMR Shareholding | RNS |
| 13/10/15 | 12:43:15 | 13 Oct 2015 | | Contract Win / Update on completion of acquisition | RNS |
| 22/09/15 | 17:07:22 | 22 Sept 2015 | | Result of AGM | RNS |
| 22/09/15 | 08:00:15 | 22 Sept 2015 | | AGM Statement | RNS |
| 14/09/15 | 12:49:42 | 14 Sept 2015 | | Holding(s) in Company | RNS |
| 24/08/15 | 14:18:16 | 24 Aug 2015 | | Director Share Awards, Options and Shareholdings | RNS |
| 18/08/15 | 12:20:21 | 18 Aug 2015 | | Director/PDMR Shareholding | RNS |
| 13/08/15 | 08:00:16 | 13 Aug 2015 | | Contract Win | RNS |
| 05/08/15 | 08:00:16 | 5 Aug 2015 | | Acquisition | RNS |
| 31/07/15 | 10:00:08 | 31 Jul 2015 | | Annual Financial Report | RNS |
