| Spieler | Von | An | Ablöse | Datum |
|---|---|---|---|---|
| Harris Michael | Brentford | FC Zurich | 3.8M | 02.08.2027 |
| Cunha Pedro | Toulouse FC | FC Basel | 9.4M | 06.08.2027 |
| Akanji Philipp | FC St. Gallen | Grasshopper | 410.0K | 10.08.2027 |
| Aebischer Ivo | Young Boys | FC Zurich | 910.0K | 13.08.2027 |
| Fassnacht Ivo | FC Sion | FC Zurich | 980.0K | 20.08.2027 |
| Zenoni Andrea | Rayo Vallecano | FC Basel | 4.9M | 20.08.2027 |
| Watson Adam | Chelsea | Young Boys | 11.8M | 24.08.2027 |
| Uribe David | Deportes Tolima | FC Thun | 680.0K | 27.08.2027 |
| Jung Sebastian | SC Braga | Young Boys | 9.2M | 29.08.2027 |
| Moya Juan | Colo-Colo | FC Zurich | 3.9M | 29.08.2027 |
| Casella Mirko | Bolton Wanderers | FC Thun | 2.1M | 31.08.2027 |
| Marín Alberto | Villarreal | Young Boys | 16.2M | 02.09.2027 |
| Davies Joshua | Gil Vicente | FC Basel | 2.2M | 05.09.2027 |
| Pereira Tiago | Crystal Palace | FC Basel | 8.2M | 12.09.2027 |