| 12/12/19 | 17:09:00 | 12 Dec 2019 | | Result of AGM | PRN |
| 11/12/19 | 15:37:00 | 11 Dec 2019 | | Further major contract award by Penso and trading update | PRN |
| 23/10/19 | 08:00:00 | 23 Oct 2019 | | Final Results | PRN |
| 16/10/19 | 08:00:00 | 16 Oct 2019 | | Acquisition of Wessex Precision Instruments Limited | PRN |
| 16/09/19 | 16:21:00 | 16 Sept 2019 | | Contract Win | PRN |
| 10/09/19 | 08:00:00 | 10 Sept 2019 | | Contract win - BWI UK Limited | PRN |
| 18/03/19 | 07:00:00 | 18 Mar 2019 | | Half-year Report | PRN |
| 11/03/19 | 07:00:00 | 11 Mar 2019 | | Further re Acquisition of Thomson Engineering | PRN |
| 09/11/18 | 10:48:00 | 9 Nov 2018 | | Further re. Convertible Unsecured Loan Notes | PRN |
| 01/05/18 | 08:00:00 | 1 May 2018 | | Trading Update | PRN |
| 23/03/18 | 07:00:00 | 23 Mar 2018 | | Half-year Report | PRN |
| 29/12/17 | 07:00:00 | 29 Dec 2017 | | Total Voting Rights | PRN |
| 14/12/17 | 16:30:00 | 14 Dec 2017 | | Result of AGM | PRN |
| 29/11/17 | 15:00:00 | 29 Nov 2017 | | Acquisition of Thomson Engineering | PRN |
| 15/11/17 | 16:33:00 | 15 Nov 2017 | | Posting of Accounts & Notice of AGM | PRN |
| 06/06/17 | 10:46:00 | 6 Jun 2017 | | Directorate Change | PRN |
| 19/05/17 | 08:00:00 | 19 May 2017 | | Further re. Grant Application | PRN |
| 12/04/17 | 11:36:00 | 12 Apr 2017 | | Contract wins for QM Systems | PRN |
| 20/03/17 | 07:00:00 | 20 Mar 2017 | | Half-year Report | PRN |
| 08/03/17 | 09:05:00 | 8 Mar 2017 | | Further re. Grant Application | PRN |
| 01/03/17 | 15:09:00 | 1 Mar 2017 | | Holding(s) in Company | PRN |
| 15/12/16 | 14:55:00 | 15 Dec 2016 | | Result of AGM and Update on Grant Application | PRN |
| 18/11/16 | 10:16:00 | 18 Nov 2016 | | Director/PDMR Shareholding | PRN |
| 15/11/16 | 07:00:00 | 15 Nov 2016 | | Final Results | PRN |
| 26/03/15 | 08:00:00 | 26 Mar 2015 | | Half-yearly Report | PRN |
| 03/03/15 | 10:55:00 | 3 Mar 2015 | | Correction - Holding(s) in Company | PRN |
| 13/02/15 | 18:03:00 | 13 Feb 2015 | | Holding(s) in Company | PRN |
