Chelsea FC (Premier League): every transfer in and out, fees paid and earned, squad market value, €3003m spent and €1384m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-12 | Dastan Satpaev | Kairat Almaty | Chelsea | €2.4m |
| 2026-07-01 | Emmanuel Emegha | R. Strasbourg | Chelsea | — |
| 2026-07-01 | Geovany Quenda | Sporting | Chelsea | €51m |
| 2026-02-02 | Aarón Anselmino | Chelsea | R. Strasbourg | Loan |
| 2026-02-02 | Axel Disasi | Chelsea | West Ham | Loan |
| 2026-02-02 | David Datro Fofana | Chelsea | R. Strasbourg | Loan |
| 2026-02-02 | Tyrique George | Chelsea | Everton | Loan |
| 2026-01-30 | Kendry Páez | Chelsea | River Plate | Loan |
| 2026-01-28 | Raheem Sterling | Chelsea | Without Club | — |
| 2026-01-19 | Teddy Sharman-Lowe | Chelsea U21 | Chelsea | — |
| 2025-09-12 | David Datro Fofana | Chelsea | Karagümrük | Loan |
| 2025-09-01 | Facundo Buonanotte | Brighton | Chelsea | Loan |
| 2025-09-01 | Ben Chilwell | Chelsea | R. Strasbourg | Free |
| 2025-09-01 | Nicolas Jackson | Chelsea | Bayern Munich | Loan |
| 2025-08-30 | Alejandro Garnacho | Man Utd | Chelsea | €46m |
| 2025-08-30 | Christopher Nkunku | Chelsea | AC Milan | €37m |
| 2025-08-27 | Aarón Anselmino | Chelsea | Dortmund | Loan |
| 2025-08-26 | Carney Chukwuemeka | Chelsea | Dortmund | €20m |
| 2025-08-22 | Renato Veiga | Chelsea | Villarreal | €25m |
| 2025-08-08 | Armando Broja | Chelsea | Burnley | €23m |