| 09/03/23 | 07:00:03 | 9 Mar 2023 | | Transaction in Own Shares | RNS |
| 08/03/23 | 07:00:02 | 8 Mar 2023 | | Transaction in Own Shares | RNS |
| 07/03/23 | 07:00:03 | 7 Mar 2023 | | Transaction in Own Shares | RNS |
| 06/03/23 | 07:00:02 | 6 Mar 2023 | | Transaction in Own Shares | RNS |
| 03/03/23 | 07:00:03 | 3 Mar 2023 | | Transaction in Own Shares | RNS |
| 02/03/23 | 13:00:02 | 2 Mar 2023 | | Annual Financial Report | RNS |
| 02/03/23 | 07:00:03 | 2 Mar 2023 | | Transaction in Own Shares | RNS |
| 01/03/23 | 10:00:02 | 1 Mar 2023 | | Total Voting Rights | RNS |
| 28/02/23 | 11:30:02 | 28 Feb 2023 | | Serco share repurchase programme | RNS |
| 28/02/23 | 07:00:09 | 28 Feb 2023 | | 2022 Full Year Results | RNS |
| 27/02/23 | 10:00:05 | 27 Feb 2023 | | Holding(s) in Company | RNS |
| 23/02/23 | 07:00:07 | 23 Feb 2023 | | Serco wins CMS rebid valued at $690m | RNS |
| 22/02/23 | 09:13:50 | 22 Feb 2023 | | FY2022 results revised date; guidance unchanged | RNS |
| 03/01/23 | 12:15:01 | 3 Jan 2023 | | Total Voting Rights | RNS |
| 03/01/23 | 12:00:01 | 3 Jan 2023 | | Directorate Change | RNS |
| 15/12/22 | 07:00:04 | 15 Dec 2022 | | Closed period trading update | RNS |
| 12/12/22 | 07:00:03 | 12 Dec 2022 | | Transaction in Own Shares | RNS |
| 09/12/22 | 07:00:03 | 9 Dec 2022 | | Transaction in Own Shares | RNS |
| 08/12/22 | 07:00:03 | 8 Dec 2022 | | Transaction in Own Shares | RNS |
| 07/12/22 | 07:00:03 | 7 Dec 2022 | | Transaction in Own Shares | RNS |
| 06/12/22 | 07:00:02 | 6 Dec 2022 | | Transaction in Own Shares | RNS |
| 05/12/22 | 07:00:03 | 5 Dec 2022 | | Transaction in Own Shares | RNS |
| 02/12/22 | 07:00:08 | 2 Dec 2022 | | Transaction in Own Shares | RNS |
| 01/12/22 | 11:30:06 | 1 Dec 2022 | | Holding(s) in Company | RNS |
| 01/12/22 | 11:00:04 | 1 Dec 2022 | | Total Voting Rights | RNS |
| 01/12/22 | 07:00:03 | 1 Dec 2022 | | Transaction in Own Shares | RNS |
| 30/11/22 | 07:00:02 | 30 Nov 2022 | | Transaction in Own Shares | RNS |
| 29/11/22 | 07:00:02 | 29 Nov 2022 | | Transaction in Own Shares | RNS |
| 28/11/22 | 10:00:01 | 28 Nov 2022 | | Director/PDMR Shareholding | RNS |
| 28/11/22 | 07:00:07 | 28 Nov 2022 | | Transaction in Own Shares | RNS |
| 25/11/22 | 07:00:02 | 25 Nov 2022 | | Transaction in Own Shares | RNS |
| 24/11/22 | 15:12:12 | 24 Nov 2022 | | Holding(s) in Company | RNS |
| 24/11/22 | 07:00:02 | 24 Nov 2022 | | Transaction in Own Shares | RNS |
| 23/11/22 | 07:00:04 | 23 Nov 2022 | | Transaction in Own Shares | RNS |
| 22/11/22 | 07:00:05 | 22 Nov 2022 | | Transaction in Own Shares | RNS |
| 21/11/22 | 07:00:07 | 21 Nov 2022 | | Transaction in Own Shares | RNS |
| 18/11/22 | 12:21:04 | 18 Nov 2022 | | Holding(s) in Company | RNS |
| 18/11/22 | 07:00:03 | 18 Nov 2022 | | Transaction in Own Shares | RNS |
| 17/11/22 | 07:00:06 | 17 Nov 2022 | | Transaction in Own Shares | RNS |
| 16/11/22 | 07:00:04 | 16 Nov 2022 | | Serco wins £200m marine services contract | RNS |
| 16/11/22 | 07:00:03 | 16 Nov 2022 | | Transaction in Own Shares | RNS |
| 15/11/22 | 07:00:03 | 15 Nov 2022 | | Transaction in Own Shares | RNS |
| 14/11/22 | 11:45:02 | 14 Nov 2022 | | Holding(s) in Company | RNS |
| 14/11/22 | 10:00:01 | 14 Nov 2022 | | Holding(s) in Company | RNS |
| 14/11/22 | 07:00:05 | 14 Nov 2022 | | Transaction in Own Shares | RNS |
| 11/11/22 | 07:00:04 | 11 Nov 2022 | | Transaction in Own Shares | RNS |
| 10/11/22 | 07:00:04 | 10 Nov 2022 | | Transaction in Own Shares | RNS |
| 09/11/22 | 10:00:02 | 9 Nov 2022 | | Director/PDMR Shareholding | RNS |
| 09/11/22 | 07:00:04 | 9 Nov 2022 | | Transaction in Own Shares | RNS |
| 08/11/22 | 07:00:04 | 8 Nov 2022 | | Transaction in Own Shares | RNS |
