| Placing and Acquisition | 06 Nov 2018 | 07:00 | RNS |
| Result of Scrip Dividend | 01 Nov 2018 | 10:19 | RNS |
| Half-year Report | 12 Sep 2018 | 07:00 | RNS |
| Trading Update | 02 Aug 2018 | 07:00 | RNS |
| Acquisition of Shire Systems Limited | 05 Jul 2018 | 07:00 | RNS |
| Result of Scrip Dividend | 14 Jun 2018 | 07:00 | RNS |
| Appointment of Corporate Development Director | 06 Jun 2018 | 07:00 | RNS |
| Results of AGM | 17 May 2018 | 14:30 | RNS |
| Trading Update | 17 May 2018 | 07:00 | RNS |
| Notice of AGM | 20 Apr 2018 | 07:00 | RNS |
| Preliminary Results | 27 Mar 2018 | 07:00 | RNS |
| Notice of Results | 21 Mar 2018 | 07:00 | RNS |
| Exhibiting at the Master Investor Show 2018 | 05 Mar 2018 | 07:00 | RNS |
| Issue of Options | 08 Feb 2018 | 07:00 | RNS |
| Appointment of Non-Executive Director | 05 Feb 2018 | 07:50 | RNS |