| 7th Dec 2023 7:00 am | RNS | Update on Major New Contract Win | 
                                                                            
                                            | 5th Dec 2023 12:30 pm | RNS | Major New Contract with Large US Federal Agency | 
                                                                            
                                            | 22nd Nov 2023 7:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 21st Nov 2023 7:01 am | RNS | New Contract and Renewal Orders | 
                                                                            
                                            | 21st Nov 2023 7:00 am | RNS | Half-year Report | 
                                                                            
                                            | 7th Nov 2023 7:00 am | RNS | Contract and Renewals Orders | 
                                                                            
                                            | 25th Oct 2023 4:44 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 24th Oct 2023 7:00 am | RNS | Notice of Interim Results & Investor Presentation | 
                                                                            
                                            | 20th Oct 2023 7:03 am | RNS | Appointment of Non-Executive Director | 
                                                                            
                                            | 11th Oct 2023 7:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 10th Oct 2023 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 21st Sep 2023 1:31 pm | RNS | Result of AGM | 
                                                                            
                                            | 4th Sep 2023 7:00 am | RNS | Contract and Renewals Orders | 
                                                                            
                                            | 30th Aug 2023 7:10 am | RNS | Notice of AGM and Publication of Annual Report | 
                                                                            
                                            | 20th Jun 2023 7:01 am | RNS | Board Changes | 
                                                                            
                                            | 20th Jun 2023 7:00 am | RNS | Final Results | 
                                                                            
                                            | 12th Jun 2023 7:00 am | RNS | Notice of Results & Investor Presentation | 
                                                                            
                                            | 27th Apr 2023 7:00 am | RNS | Share Incentive Plan | 
                                                                            
                                            | 17th Apr 2023 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 3rd Apr 2023 7:00 am | RNS | Contract wins/renewals | 
                                                                            
                                            | 3rd Feb 2023 10:46 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 31st Jan 2023 7:00 am | RNS | Change of Auditors | 
                                                                            
                                            | 23rd Jan 2023 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 23rd Jan 2023 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 23rd Jan 2023 2:05 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 23rd Jan 2023 2:00 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 23rd Jan 2023 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 11th Jan 2023 2:30 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 2nd Dec 2022 8:45 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Nov 2022 7:00 am | RNS | Half-year Report | 
                                                                            
                                            | 11th Nov 2022 7:00 am | RNS | Notice of Interim Results & Investor Presentation | 
                                                                            
                                            | 13th Oct 2022 10:30 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 11th Oct 2022 1:00 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 10th Oct 2022 8:00 am | RNS | Long Term Incentive Plan | 
                                                                            
                                            | 10th Oct 2022 7:01 am | RNS | Acquisition of Authlogics Ltd | 
                                                                            
                                            | 10th Oct 2022 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 28th Sep 2022 12:22 pm | RNS | Result of AGM | 
                                                                            
                                            | 15th Sep 2022 7:00 am | RNS | Director/PDMR Shareholding and Issue of Equity | 
                                                                            
                                            | 10th Aug 2022 7:00 am | RNS | Notice of AGM | 
                                                                            
                                            | 30th Jun 2022 7:00 am | RNS | Board Changes |