Biel-Bienne (1.Liga Promotion): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-09-08 | Enis Asani | FC Thun | Biel-Bienne | Loan |
| 2025-07-31 | Dagui Paviot | Nîmes Olympique | Biel-Bienne | Free |
| 2025-07-28 | Evan Rossier | Paradiso | Biel-Bienne | Free |
| 2025-07-22 | Mahamadou Doucouré | Villefranche | Biel-Bienne | Free |
| 2025-07-18 | Mohamed Ali Gueddar | Swift Hesperange | Biel-Bienne | Free |
| 2025-07-04 | Lion de Oliveira | Biel-Bienne | FC Stade Lausanne-Ouchy | Free |
| 2025-07-02 | Raphael Radtke | Biel-Bienne | FC Schaffhausen | Free |
| 2025-07-01 | Player | Prishtina Bern | Biel-Bienne | Free |
| 2025-07-01 | Modibo Camara | Orléans | Biel-Bienne | Free |
| 2025-07-01 | Uroš Vasić | FC Thun | Biel-Bienne | Free |
| 2025-07-01 | Thoma Monney | Baden | Biel-Bienne | Free |
| 2025-07-01 | Evan Stadelmann | Biel-Bienne | Breitenrain | Free |
| 2025-07-01 | Brian Beyer | Biel-Bienne | FC Winterthur | Free |
| 2025-07-01 | Player | Biel-Bienne | Breitenrain | Free |
| 2025-07-01 | Player | Biel-Bienne | Prishtina Bern | Free |
| 2025-02-22 | Djibrail Dib | Rouen | Biel-Bienne | Free |
| 2025-01-14 | Brian Beyer | VfL Osnabrück | Biel-Bienne | Free |
| 2025-01-07 | Player | Biel-Bienne | Coffrane | Free |
| 2024-08-20 | Lois Ndema Mbongué | Servette II | Biel-Bienne | Loan |
| 2024-07-31 | Player | Neuchâtel Xamax | Biel-Bienne | Free |