Gillingham: every transfer in and out, fees paid and earned, squad market value and €3.1m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-29 | Ronan Hale | Ross County | Gillingham | — |
| 2025-01-10 | Asher Agbinone | Palace U21 | Gillingham | Loan |
| 2024-02-01 | Jorge Hurtado | Watford | Gillingham | Loan |
| 2023-01-13 | Mikael Mandron | Gillingham | Motherwell FC | Free |
| 2022-07-01 | Danny Lloyd | Gillingham FC | Without Club | — |
| 2022-07-01 | Ashley Maynard-Brewer | Charlton | Gillingham | Loan |
| 2022-01-14 | Pontus Dahlberg | Watford | Gillingham | Loan |
| 2021-07-23 | Daniel Phillips | Watford U23 | Gillingham FC | Loan |
| 2021-07-06 | Danny Lloyd | Tranmere Rovers | Gillingham FC | Free |
| 2021-01-14 | Callum Slattery | Southampt. U23 | Gillingham | Loan |
| 2020-10-30 | Joe Lumley | QPR | Gillingham | Loan |
| 2020-08-01 | Mikael Mandron | Gillingham | Crewe Alexandra | Loan |
| 2020-07-01 | Regan Charles-Cook | Gillingham | Ross County | Free |
| 2019-07-25 | Mikael Mandron | Colchester Utd. | Gillingham | Free |
| 2019-07-02 | Alfie Jones | Southampt. U23 | Gillingham | Loan |
| 2019-01-31 | Leonardo Lopes | Wigan | Gillingham | Loan |
| 2019-01-17 | Conor Wilkinson | Gillingham FC | Dag & Red FC | Free |
| 2018-11-01 | Conor Wilkinson | Gillingham FC | Dag & Red FC | Loan |
| 2018-07-01 | Regan Charles-Cook | Charlton U23 | Gillingham | Free |
| 2017-07-01 | Conor Wilkinson | Bolton | Gillingham FC | Free |