| 11/05/17 | 08:00:14 | 11 May 2017 | | Trading Update | RNS |
| 25/04/17 | 14:20:42 | 25 Apr 2017 | | Result of AGM and Directorate Change | RNS |
| 03/04/17 | 08:00:07 | 3 Apr 2017 | | Notice of AGM and Posting of Annual Report | RNS |
| 29/03/17 | 11:52:35 | 29 Mar 2017 | | Grant of Options | RNS |
| 27/03/17 | 09:19:48 | 27 Mar 2017 | | Preliminary Results | RNS |
| 27/03/17 | 08:00:07 | 27 Mar 2017 | | Preliminary Results | RNS |
| 28/02/17 | 07:00:23 | 28 Feb 2017 | | Promotional and MPK Contract | RNS |
| 26/09/16 | 08:00:09 | 26 Sept 2016 | | Half Yearly Report | RNS |
| 01/07/16 | 08:00:07 | 1 Jul 2016 | | Trading Update and Closure of S&P+ Limited | RNS |
| 28/04/16 | 15:17:33 | 28 Apr 2016 | | Result of AGM | RNS |
| 05/04/16 | 12:02:28 | 5 Apr 2016 | | Notice of AGM and Posting of Annual Report | RNS |
| 01/04/16 | 08:00:09 | 1 Apr 2016 | | Grant of Options | RNS |
| 29/03/16 | 08:00:12 | 29 Mar 2016 | | Preliminary Results and Proposed Final Dividend | RNS |
| 01/02/16 | 07:00:12 | 1 Feb 2016 | | Contract Win and Trading Update | RNS |
| 21/09/15 | 08:02:09 | 21 Sept 2015 | | Half Yearly Report | RNS |
| 21/09/15 | 08:00:16 | 21 Sept 2015 | | Pilot contract with Immochan | RNS |
| 15/09/15 | 17:45:06 | 15 Sept 2015 | | Holding(s) in Company | RNS |
| 02/09/15 | 08:00:21 | 2 Sept 2015 | | Signing of Contract with Network Rail | RNS |
| 12/08/15 | 16:30:48 | 12 Aug 2015 | | Holding(s) in Company | RNS |
| 12/08/15 | 16:27:43 | 12 Aug 2015 | | Holding(s) in Company | RNS |
| 26/06/15 | 17:05:32 | 26 Jun 2015 | | Award of preferred bidder status | RNS |
| 27/05/15 | 17:12:08 | 27 May 2015 | | Holding(s) in Company | RNS |
| 24/04/15 | 15:25:41 | 24 Apr 2015 | | Result of AGM | RNS |
| 24/04/15 | 08:00:33 | 24 Apr 2015 | | AGM Statement | RNS |
| 23/04/15 | 08:00:23 | 23 Apr 2015 | | SAYE Share Option Plan | RNS |
| 01/04/15 | 08:00:41 | 1 Apr 2015 | | Notice of AGM and Posting of Annual Report | RNS |
| 24/03/15 | 07:00:28 | 24 Mar 2015 | | Dividend announcement | RNS |
| 23/03/15 | 07:00:09 | 23 Mar 2015 | | Preliminary Results and Proposed Final Dividend | RNS |
| 23/01/15 | 07:00:08 | 23 Jan 2015 | | Pre-Close Trading Update | RNS |
| 13/01/15 | 16:23:08 | 13 Jan 2015 | | Holding(s) in Company | RNS |
| 13/01/15 | 07:00:11 | 13 Jan 2015 | | Grant of Options | RNS |
| 06/01/15 | 15:29:31 | 6 Jan 2015 | | Director/PDMR Shareholding | RNS |
| 03/11/14 | 07:00:16 | 3 Nov 2014 | | Directorate Change | RNS |
| 07/10/14 | 08:00:12 | 7 Oct 2014 | | Directorate Change | RNS |
| 11/09/14 | 16:06:32 | 11 Sept 2014 | | Director/PDMR Shareholding | RNS |
| 11/09/14 | 08:02:02 | 11 Sept 2014 | | Appointment of non-executive director | RNS |
| 11/09/14 | 08:01:02 | 11 Sept 2014 | | Trading Update - September 2014 | RNS |
| 11/09/14 | 08:00:22 | 11 Sept 2014 | | Interim Results for the 6 mths ended 30 June 2014 | RNS |
| 04/09/14 | 16:16:24 | 4 Sept 2014 | | Holding(s) in Company | RNS |
| 19/06/14 | 08:00:21 | 19 Jun 2014 | | Directorate Change | RNS |
| 09/06/14 | 10:24:28 | 9 Jun 2014 | | Holding(s) in Company | RNS |
| 19/05/14 | 15:15:17 | 19 May 2014 | | Holding(s) in Company | RNS |
| 14/05/14 | 16:19:49 | 14 May 2014 | | Holding(s) in Company | RNS |
| 25/04/14 | 16:30:04 | 25 Apr 2014 | | Holding(s) in Company | RNS |
| 25/04/14 | 10:41:14 | 25 Apr 2014 | | Director/PDMR Shareholding | RNS |
| 24/04/14 | 15:38:51 | 24 Apr 2014 | | Result of AGM | RNS |
| 23/04/14 | 18:40:22 | 23 Apr 2014 | | Holding(s) in Company | RNS |
| 17/04/14 | 13:00:02 | 17 Apr 2014 | | Trading Statement | RNS |
| 02/04/14 | 08:00:21 | 2 Apr 2014 | | Notice of AGM & Posting of Report & Accounts | RNS |
| 24/03/14 | 07:00:11 | 24 Mar 2014 | | Preliminary Results and Proposed Final Dividend | RNS |