| 14/11/13 | 07:00:05 | 14 Nov 2013 | | Interim Management Statement | RNS |
| 08/11/13 | 16:12:35 | 8 Nov 2013 | | Directorate Change | RNS |
| 24/09/13 | 08:00:14 | 24 Sept 2013 | | Director Shareholding | RNS |
| 28/08/13 | 17:05:57 | 28 Aug 2013 | | Director/PDMR Shareholding | RNS |
| 20/08/13 | 08:00:20 | 20 Aug 2013 | | Sale of Foreland and Acquisition of Osiris | RNS |
| 20/08/13 | 08:00:13 | 20 Aug 2013 | | Half Yearly Report | RNS |
| 26/07/13 | 08:00:12 | 26 Jul 2013 | | Appointment of Non-Executive Directors | RNS |
| 17/07/13 | 08:00:07 | 17 Jul 2013 | | Redefinition of business segments | RNS |
| 01/07/13 | 08:00:06 | 1 Jul 2013 | | James Fisher wins contract for Total | RNS |
| 28/06/13 | 08:00:11 | 28 Jun 2013 | | Total Voting Rights and Share Capital | RNS |
| 27/06/13 | 16:44:32 | 27 Jun 2013 | | Director Shareholding | RNS |
| 12/06/13 | 17:11:48 | 12 Jun 2013 | | Additional Listing | RNS |
| 12/06/13 | 17:09:43 | 12 Jun 2013 | | Additional Listing | RNS |
| 07/06/13 | 14:44:35 | 7 Jun 2013 | | Director Shareholding | RNS |
| 03/06/13 | 08:00:09 | 3 Jun 2013 | | Forth Crossing Bridge Constructors-Contract Award | RNS |
| 31/05/13 | 08:00:07 | 31 May 2013 | | Total Voting Rights and Share Capital | RNS |
| 22/05/13 | 13:19:20 | 22 May 2013 | | Director/PDMR Shareholding | RNS |
| 20/05/13 | 08:00:04 | 20 May 2013 | | Award of contract - Dounreay Site Restoration Ltd | RNS |
| 03/05/13 | 15:30:30 | 3 May 2013 | | Results of Annual General Meeting ("AGM") | RNS |
| 02/05/13 | 08:00:06 | 2 May 2013 | | Interim Management and AGM Statement | RNS |
| 11/04/13 | 10:40:51 | 11 Apr 2013 | | Notification of Directors' Interest in Shares | RNS |
| 09/04/13 | 16:22:04 | 9 Apr 2013 | | Notification of Directors' Interest in Shares | RNS |
| 26/03/13 | 12:46:51 | 26 Mar 2013 | | Director Shareholding | RNS |
| 25/03/13 | 12:00:13 | 25 Mar 2013 | | Director Shareholding | RNS |
| 06/03/13 | 07:00:06 | 6 Mar 2013 | | Final Results | RNS |
| 06/03/13 | 07:00:06 | 6 Mar 2013 | | ACQUISITION OF DIVEX LIMITED | RNS |
| 20/02/13 | 07:00:13 | 20 Feb 2013 | | Notice of Results | RNS |