| 04/12/18 | 07:00:16 | 4 Dec 2018 | | Contract award | RNS |
| 20/11/18 | 07:00:09 | 20 Nov 2018 | | Half-year Report | RNS |
| 03/10/18 | 08:00:07 | 3 Oct 2018 | | Live webcast 5 October 2018 | RNS |
| 03/10/18 | 08:00:04 | 3 Oct 2018 | | Half Year Trading Update | RNS |
| 05/09/18 | 15:30:01 | 5 Sept 2018 | | Result of AGM | RNS |
| 23/07/18 | 08:00:04 | 23 Jul 2018 | | Final Results for the year ended 31 March 2018 | RNS |
| 18/07/18 | 12:05:34 | 18 Jul 2018 | | Second Price Monitoring Extn | RNS |
| 18/07/18 | 12:00:26 | 18 Jul 2018 | | Price Monitoring Extension | RNS |
| 18/07/18 | 08:00:04 | 18 Jul 2018 | | SE Asia Contract Change | RNS |
| 05/07/18 | 08:00:05 | 5 Jul 2018 | | IUU Detection Agreement with Ecuador | RNS |
| 02/07/18 | 08:00:03 | 2 Jul 2018 | | AIS OEM Partnership | RNS |
| 08/06/18 | 08:00:05 | 8 Jun 2018 | | Terms of Loan Note Refinancing | RNS |
| 04/06/18 | 08:00:12 | 4 Jun 2018 | | Live Webcast changed to 6 June 2018 | RNS |
| 01/06/18 | 08:00:07 | 1 Jun 2018 | | Live Webcast 5 June 2018 | RNS |
| 30/05/18 | 14:31:27 | 30 May 2018 | | Result of Placing and Loan Note Refinancing | RNS |
| 24/05/18 | 16:28:40 | 24 May 2018 | | Statement regarding press speculation | RNS |
| 11/04/18 | 10:05:56 | 11 Apr 2018 | | Second Price Monitoring Extn | RNS |
| 11/04/18 | 10:00:32 | 11 Apr 2018 | | Price Monitoring Extension | RNS |
| 11/04/18 | 08:00:03 | 11 Apr 2018 | | Year End Trading Update | RNS |
| 06/04/18 | 11:05:18 | 6 Apr 2018 | | Holding(s) in Company | RNS |
| 08/03/18 | 07:00:05 | 8 Mar 2018 | | Holding(s) in Company | RNS |
| 09/02/18 | 07:00:04 | 9 Feb 2018 | | Holding(s) in Company | RNS |
| 01/02/18 | 07:00:06 | 1 Feb 2018 | | Live Webcast 6 February 2018 | RNS |
| 01/12/17 | 07:00:05 | 1 Dec 2017 | | Issue of Equity | RNS |
| 14/11/17 | 07:00:05 | 14 Nov 2017 | | Half-year Report | RNS |
| 08/11/17 | 07:00:08 | 8 Nov 2017 | | Live Webcast 14 November 2017 | RNS |
| 10/10/17 | 08:00:03 | 10 Oct 2017 | | Half Year Trading Update | RNS |
| 25/09/17 | 08:00:05 | 25 Sept 2017 | | OCEAN-SCAN Satellite System | RNS |
| 25/09/17 | 08:00:05 | 25 Sept 2017 | | £10 million working capital facility | RNS |
| 31/08/17 | 08:00:03 | 31 Aug 2017 | | OEM AIS Product Supply Contract Signed | RNS |
| 18/08/17 | 08:00:02 | 18 Aug 2017 | | AIS Aids to Navigation Contract | RNS |
| 17/08/17 | 08:00:06 | 17 Aug 2017 | | Directorate Change | RNS |
| 31/07/17 | 08:01:03 | 31 Jul 2017 | | Live webcast 4 August 2017 | RNS |
| 31/07/17 | 08:00:06 | 31 Jul 2017 | | MDM Contract Update | RNS |
| 12/07/17 | 15:21:01 | 12 Jul 2017 | | Result of AGM | RNS |
| 23/06/17 | 08:00:10 | 23 Jun 2017 | | AIS contract for Somalia | RNS |
| 13/06/17 | 13:00:01 | 13 Jun 2017 | | Issue of Equity | RNS |
| 07/06/17 | 08:00:03 | 7 Jun 2017 | | Final Results for the year ended 31 March 2017 | RNS |
| 02/06/17 | 08:00:02 | 2 Jun 2017 | | Issue of Equity | RNS |
| 11/05/17 | 08:00:13 | 11 May 2017 | | Issue of Equity | RNS |
| 27/04/17 | 08:00:17 | 27 Apr 2017 | | Live Webcast 2 May 2017 | RNS |
| 13/04/17 | 08:00:07 | 13 Apr 2017 | | Trading Update | RNS |
| 30/03/17 | 08:00:10 | 30 Mar 2017 | | SRT signs MDM contract | RNS |
| 14/02/17 | 07:00:06 | 14 Feb 2017 | | African fisheries monitoring project order | RNS |
| 15/11/16 | 15:00:02 | 15 Nov 2016 | | Issue of Equity | RNS |
| 15/11/16 | 07:00:06 | 15 Nov 2016 | | Half-year Report | RNS |
| 14/10/16 | 08:00:05 | 14 Oct 2016 | | Vessel Tracking Order Received for Saudi Arabia | RNS |
| 06/10/16 | 08:00:08 | 6 Oct 2016 | | Half Year Trading Update | RNS |
| 12/09/16 | 08:00:08 | 12 Sept 2016 | | AIS Identifier order for West Africa VMS Project | RNS |
| 10/08/16 | 08:00:08 | 10 Aug 2016 | | Director/PDMR Shareholding | RNS |
