Derby U18 (Premier League U18): every transfer in and out, fees paid and earned, squad market value and €3.4m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-19 | Demiane Agustien | Derby U18 | Arsenal U21 | Free |
| 2025-07-01 | Jack Thompson | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Cruz Anthony Allen | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Tristan Gill | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Niall McAndrew | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Jerome Richards | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Harley Price | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Johnson Osong | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Isaac Gordon | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Owen Eames | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Adisa Osayande | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Luke Banks | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Marcel Tola | Derby U18 | Derby County U21 | Free |
| 2025-07-01 | Justin Oguntolu | Derby U18 | Derby County U21 | Free |
| 2025-03-28 | Harley Price | Derby U18 | AFC Telford United | Loan |
| 2025-01-03 | Jack Thompson | Derby U18 | Alfreton Town | Loan |
| 2024-08-09 | Jack Thompson | Derby U18 | Kettering Town | Loan |
| 2024-07-01 | Harry Hawkins | Derby U18 | Derby County U21 | Free |
| 2024-07-01 | Daniel Cox | Derby U18 | Derby County U21 | Free |
| 2024-07-01 | Lennon Wheeldon | Derby U18 | Derby County U21 | Free |