Welling United (Enterprise National League South): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-06 | Martell Taylor-Crossdale | Welling United | Tonbridge Angels | Free |
| 2025-07-18 | Deon Moore | Welling United | Maidstone United | Free |
| 2025-07-08 | Dave Winfield | Welling United | AFC Hornchurch | Free |
| 2025-07-05 | Greg Cundle | Ebbsfleet United | Welling United | Free |
| 2025-07-04 | Anthony Grant | Welling United | Ramsgate | Free |
| 2025-07-03 | Player | Welling United | Maidstone United | Free |
| 2025-07-01 | Luke O'Neill | Ebbsfleet United | Welling United | Free |
| 2025-07-01 | Ruben Shakpoke | Maidstone United | Welling United | Free |
| 2025-07-01 | Tom Leahy | Millwall U21 | Welling United | Free |
| 2025-07-01 | Rhys Lovett | Welling United | Boston United | Free |
| 2025-07-01 | Daniel John Martin | Welling United | Weston-super-Mare | Free |
| 2025-07-01 | TJ Bramble | Welling United | Maidstone United | Free |
| 2025-07-01 | Finn Ballard-McBride | Welling United | Sydney United 58 FC | Free |
| 2025-07-01 | Gene Kennedy | Welling United | Ebbsfleet United | Free |
| 2025-04-01 | Charles Ondo | Welling United | Portland Timbers II | Free |
| 2025-03-31 | Jezreel Davies | Salford City | Welling United | Loan |
| 2025-03-01 | Player | Welling United | Dulwich Hamlet | Free |
| 2025-02-22 | Deon Moore | Dulwich Hamlet | Welling United | Free |
| 2025-02-21 | Scott Kashket | AFC Hornchurch | Welling United | Free |
| 2025-02-15 | Conor Kelly | Folkestone Invicta | Welling United | Free |