| 20/09/22 | 07:00:14 | 20 Sept 2022 | | Memorandum of Understanding with Unipart Rail | RNS |
| 12/09/22 | 07:00:06 | 12 Sept 2022 | | Contract award with RCR Industrial Flooring S.L.U | RNS |
| 07/06/22 | 10:35:24 | 7 Jun 2022 | | Directorate Change | RNS |
| 24/03/22 | 16:41:58 | 24 Mar 2022 | | Second Price Monitoring Extn | RNS |
| 24/03/22 | 16:35:51 | 24 Mar 2022 | | Price Monitoring Extension | RNS |
| 24/03/22 | 14:05:59 | 24 Mar 2022 | | Second Price Monitoring Extn | RNS |
| 24/03/22 | 14:00:44 | 24 Mar 2022 | | Price Monitoring Extension | RNS |
| 24/03/22 | 11:00:54 | 24 Mar 2022 | | Price Monitoring Extension | RNS |
| 24/03/22 | 07:00:05 | 24 Mar 2022 | | Half-year Report | RNS |
| 16/03/22 | 07:00:06 | 16 Mar 2022 | | Holding(s) in Company | RNS |
| 10/03/22 | 07:00:07 | 10 Mar 2022 | | Further re. major contract win with Ventive | RNS |
| 16/02/22 | 10:21:41 | 16 Feb 2022 | | Holding(s) in Company | RNS |
| 31/01/22 | 17:00:01 | 31 Jan 2022 | | Total Voting Rights | RNS |
| 19/01/22 | 07:00:08 | 19 Jan 2022 | | PDMR Shareholding | RNS |
| 13/01/22 | 07:00:04 | 13 Jan 2022 | | New lease agreement for QM Systems Limited | RNS |
| 07/12/21 | 07:00:05 | 7 Dec 2021 | | Holding(s) in Company | RNS |
| 06/12/21 | 12:30:02 | 6 Dec 2021 | | Result of AGM | RNS |
| 01/12/21 | 11:34:00 | 1 Dec 2021 | | Major contract win with Ventive Limited | RNS |
| 03/11/21 | 07:00:04 | 3 Nov 2021 | | Final Results for the year ended 30 June 2021 | RNS |
| 28/10/21 | 12:03:00 | 28 Oct 2021 | | Grant of Options | RNS |
| 30/09/21 | 17:00:05 | 30 Sept 2021 | | Total Voting Rights | RNS |
| 30/09/21 | 15:30:07 | 30 Sept 2021 | | New lease agreement | RNS |
| 17/09/21 | 10:42:59 | 17 Sept 2021 | | Update on acquisition of Utsi Electronics Limited | RNS |
| 11/08/21 | 07:00:10 | 11 Aug 2021 | | Trading update | RNS |
| 18/03/21 | 07:00:03 | 18 Mar 2021 | | Half-year Report | RNS |
| 28/01/21 | 07:00:07 | 28 Jan 2021 | | Acquisition of Utsi Electronics Limited | RNS |
| 08/12/20 | 07:00:06 | 8 Dec 2020 | | Major contract award to QM Systems | RNS |
| 03/12/20 | 11:47:07 | 3 Dec 2020 | | Result of AGM | RNS |
| 21/10/20 | 07:00:02 | 21 Oct 2020 | | Final Results for the year ended 30 June 2020 | RNS |
| 15/09/20 | 12:10:07 | 15 Sept 2020 | | Major contract award to QM Systems | RNS |
| 14/05/20 | 07:00:09 | 14 May 2020 | | Trading Update and Response to COVID-19 | RNS |
| 19/03/20 | 07:00:07 | 19 Mar 2020 | | Half-year Report | RNS |
| 04/02/20 | 07:00:06 | 4 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 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 |
| 29/03/19 | 17:00:03 | 29 Mar 2019 | | Total Voting Rights | RNS |
| 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 |
| 18/01/19 | 11:35:26 | 18 Jan 2019 | | Major contract award by Penso (UK) Ltd | RNS |
| 13/12/18 | 14:21:06 | 13 Dec 2018 | | Result of AGM | RNS |
| 19/11/18 | 07:00:04 | 19 Nov 2018 | | Final Results | RNS |
| 09/11/18 | 10:48:00 | 9 Nov 2018 | | Further re. Convertible Unsecured Loan Notes | PRN |
| 06/07/18 | 16:12:04 | 6 Jul 2018 | | QM Systems contract with Cox Powertrain Limited | RNS |
| 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 |
