| 6th Jul 2021 11:52 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 5th Jul 2021 4:05 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 1st Jul 2021 5:48 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 1st Jul 2021 8:01 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 1st Jul 2021 8:01 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 24th Jun 2021 4:43 pm | RNS | Exercise of Share Options & Director Shareholding | 
                                                                            
                                            | 22nd Jun 2021 7:00 am | RNS | Contract Award | 
                                                                            
                                            | 17th Jun 2021 7:01 am | RNS | Half-year Report | 
                                                                            
                                            | 17th Jun 2021 7:00 am | RNS | Appointment of Non-Executive Director | 
                                                                            
                                            | 13th May 2021 5:11 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 11th May 2021 7:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 17th Mar 2021 12:32 pm | RNS | Result of AGM | 
                                                                            
                                            | 17th Mar 2021 7:00 am | RNS | AGM Trading Update | 
                                                                            
                                            | 2nd Mar 2021 7:00 am | RNS | Grant of Share Options | 
                                                                            
                                            | 22nd Feb 2021 12:37 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 18th Feb 2021 7:00 am | RNS | Exercise of Options and Director Shareholding | 
                                                                            
                                            | 26th Jan 2021 7:00 am | RNS | Appointment of Non-Executive Director | 
                                                                            
                                            | 26th Jan 2021 7:00 am | RNS | Final Results | 
                                                                            
                                            | 14th Jan 2021 7:00 am | RNS | Project Awards | 
                                                                            
                                            | 12th Nov 2020 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 19th Oct 2020 11:14 am | RNS | Project Award - subject to contract | 
                                                                            
                                            | 15th Oct 2020 7:00 am | RNS | Project Award - subject to contract | 
                                                                            
                                            | 6th Aug 2020 12:03 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 6th Aug 2020 12:03 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 6th Aug 2020 12:02 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 3rd Aug 2020 10:17 am | RNS | New contract awards | 
                                                                            
                                            | 23rd Jul 2020 4:31 pm | RNS | Grant of Share Options | 
                                                                            
                                            | 7th Jul 2020 7:00 am | RNS | New contract awards | 
                                                                            
                                            | 24th Jun 2020 3:33 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 23rd Jun 2020 12:48 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jun 2020 4:29 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 19th Jun 2020 7:00 am | RNS | Half-year Report | 
                                                                            
                                            | 27th May 2020 7:00 am | RNS | Change of Auditor | 
                                                                            
                                            | 1st Apr 2020 7:00 am | RNS | Covid-19 Trading Update | 
                                                                            
                                            | 25th Mar 2020 7:00 am | RNS | Share Purchase by Proposed Director | 
                                                                            
                                            | 20th Mar 2020 10:42 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 18th Mar 2020 1:25 pm | RNS | Result of AGM | 
                                                                            
                                            | 18th Mar 2020 7:00 am | RNS | AGM Trading Update | 
                                                                            
                                            | 19th Feb 2020 1:00 pm | RNS | Grant of Share Options | 
                                                                            
                                            | 6th Feb 2020 10:59 am | RNS | Holding(s) in Company |