| 23/06/23 | 07:00:06 | 23 Jun 2023 | | Hercules to present at MelloMonday | RNS |
| 05/06/23 | 16:17:30 | 5 Jun 2023 | | Interim Results - Replacement | RNS |
| 05/06/23 | 07:00:03 | 5 Jun 2023 | | Interim Results | RNS |
| 22/05/23 | 07:00:05 | 22 May 2023 | | Appointment of Joint Broker | RNS |
| 16/05/23 | 07:00:02 | 16 May 2023 | | Trading Update | RNS |
| 11/04/23 | 07:00:09 | 11 Apr 2023 | | Delivery of New Suction Excavators | RNS |
| 31/03/23 | 07:00:03 | 31 Mar 2023 | | Total Voting Rights | RNS |
| 16/03/23 | 07:00:06 | 16 Mar 2023 | | Holding(s) in Company | RNS |
| 13/03/23 | 16:00:01 | 13 Mar 2023 | | Result of AGM | RNS |
| 13/03/23 | 07:00:03 | 13 Mar 2023 | | AGM Statement | RNS |
| 08/03/23 | 07:00:06 | 8 Mar 2023 | | Holding(s) in Company | RNS |
| 08/03/23 | 07:00:06 | 8 Mar 2023 | | Holding(s) in Company | RNS |
| 07/03/23 | 07:00:03 | 7 Mar 2023 | | New Suction Excavator Services Client | RNS |
| 27/02/23 | 16:40:45 | 27 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 27/02/23 | 16:35:17 | 27 Feb 2023 | | Price Monitoring Extension | RNS |
| 27/02/23 | 14:05:51 | 27 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 27/02/23 | 14:00:34 | 27 Feb 2023 | | Price Monitoring Extension | RNS |
| 27/02/23 | 11:05:25 | 27 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 27/02/23 | 11:00:19 | 27 Feb 2023 | | Price Monitoring Extension | RNS |
| 27/02/23 | 09:32:58 | 27 Feb 2023 | | Annual Report notice | RNS |
| 27/02/23 | 09:05:37 | 27 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 27/02/23 | 09:00:26 | 27 Feb 2023 | | Price Monitoring Extension | RNS |
| 27/02/23 | 07:00:06 | 27 Feb 2023 | | Result of Placing | RNS |
| 13/02/23 | 07:00:06 | 13 Feb 2023 | | Notice of AGM | RNS |
| 16/01/23 | 07:00:03 | 16 Jan 2023 | | Full-Year Results | RNS |
| 20/12/22 | 07:00:12 | 20 Dec 2022 | | Notice of Results | RNS |
| 08/11/22 | 07:00:06 | 8 Nov 2022 | | Skills Portal Launch for HS2 | RNS |
| 31/10/22 | 11:05:54 | 31 Oct 2022 | | Second Price Monitoring Extn | RNS |
| 31/10/22 | 11:00:28 | 31 Oct 2022 | | Price Monitoring Extension | RNS |
| 17/10/22 | 07:00:06 | 17 Oct 2022 | | Trading Update | RNS |
| 31/08/22 | 07:00:02 | 31 Aug 2022 | | Nuneaton Lease Agreement | RNS |
| 01/07/22 | 12:17:23 | 1 Jul 2022 | | PDMR Dealing | RNS |
| 08/06/22 | 07:00:04 | 8 Jun 2022 | | Interim Results | RNS |
| 25/05/22 | 15:33:06 | 25 May 2022 | | Result of AGM | RNS |
| 25/05/22 | 07:00:02 | 25 May 2022 | | AGM Statement | RNS |
| 19/04/22 | 07:00:10 | 19 Apr 2022 | | Expansion of Suction Excavator Fleet | RNS |
| 30/03/22 | 07:25:01 | 30 Mar 2022 | | Notice of AGM & Posting of Audited Annual Accounts | RNS |
| 28/03/22 | 07:00:07 | 28 Mar 2022 | | Final Results | RNS |
| 22/03/22 | 07:00:08 | 22 Mar 2022 | | Notice of Results | RNS |
| 11/02/22 | 11:49:47 | 11 Feb 2022 | | PCA Dealings | RNS |
| 11/02/22 | 07:00:04 | 11 Feb 2022 | | Investor Presentation | RNS |
| 10/02/22 | 09:47:28 | 10 Feb 2022 | | Holding(s) in Company | RNS |
| 08/02/22 | 09:34:00 | 8 Feb 2022 | | Holding(s) in Company | RNS |
| 04/02/22 | 07:00:02 | 4 Feb 2022 | | Admission to Trading and First Day of Dealings | RNS |