| july 8 2018 |  S. Nikolaides |  Gibraltar United #12 | None | RSD3 208 524 |
| july 8 2018 |  W. Stump | Golborne United | Gibraltar United #12 | RSD1 719 000 |
| july 8 2018 | C. Lataniotis | Θεσσαλονίκη | Gibraltar United #12 | RSD2 269 380 |
| july 8 2018 |  M. Ormursson |  Sicilian Team | Gibraltar United #12 | RSD2 580 030 |
| july 8 2018 |  A. Migliorini | Sicilian Team | Gibraltar United #12 | RSD2 914 661 |
| july 8 2018 |  G. Ransom | AtLeTiCo ScApIgLiAtI | Gibraltar United #12 | RSD3 373 551 |
| july 7 2018 |  S. Muru | US MALNATESE | Gibraltar United #12 | RSD6 071 301 |
| july 7 2018 | N. Guesman | Gibraltar United #12 | None | RSD14 363 524 |
| july 7 2018 | V. Álvares | Gibraltar United #12 | None | RSD20 750 798 |
| july 7 2018 | V. Germanos | Gibraltar United #12 | None | RSD25 000 000 |
| july 4 2018 |  D. Gape | Gibraltar United #12 |  Getafe #3 | RSD20 583 560 |
| july 3 2018 | R. Marletti | Gibraltar United #12 |  FC Copenhagen #11 | RSD30 937 200 |
| july 3 2018 | T. Becerro | Gibraltar United #12 | Thornton United | RSD27 600 000 |
| july 1 2018 |  C. Marsal | Gibraltar United #12 |  Fire Boys | RSD42 028 000 |
| june 9 2018 | E. Maffi | lazioforever | Gibraltar United #12 | RSD251 792 |
| may 25 2018 | C. Torriani | Gibraltar United #12 |  SC Middelburg | Moved with manager |
| may 25 2018 | C. Shingleton | Gibraltar United #12 | SC Middelburg | Moved with manager |
| may 25 2018 | J. Tricker | Gibraltar United #12 | SC Middelburg | Moved with manager |
| may 20 2018 | G. Tordi | Gibraltar United #12 | South Shields FC (On loan) | (RSD197 852) |
| may 18 2018 |  K. Talu | Gibraltar United #12 | Tokatspor #2 (On loan) | (RSD130 182) |
| march 22 2018 | N. Pagonis | Gibraltar United #12 |  FC Rhyl #2 (On loan) | (RSD188 286) |
| march 22 2018 | L. Della Noia | Gibraltar United #12 | Les Gothiques Amiénois (On loan) | (RSD159 390) |
| february 2 2018 | L. Della Noia | Gibraltar United #12 |  Portadown United (On loan) | (RSD121 944) |
| february 2 2018 | N. Pagonis | Gibraltar United #12 | Galátsion #2 (On loan) | (RSD136 415) |
| january 29 2018 | F. Jarrett | Gibraltar United #12 |  NEWBI | RSD6 476 875 |
