Watford Yth.: every transfer in and out, fees paid and earned, squad market value and €172k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-08-04 | Harry Amass | Watford Yth. | Man Utd U18 | — |
| 2023-07-01 | Emilio Ballard-Matthews | Watford Yth. | Wolves Yth. | — |
| 2022-03-16 | Zach Marsh | Watford Yth. | Palace U18 | — |
| 2021-07-01 | Bogdan Marian | Watford Yth. | Watford U18 | — |
| 2020-07-01 | Ryan Andrews | Watford Yth. | Watford U18 | — |
| 2020-07-01 | Ben Jackson | Watford Yth. | Brighton U18 | Free |
| 2019-07-01 | Jack Grieves | Watford Yth. | Without Club | — |
| 2015-07-01 | Michael Obafemi | Watford Yth. | Leyton Orient Y | Free |
| 2015-07-01 | Dion Pereira | Watford Yth. | Watford U18 | — |
| 2015-03-07 | Jadon Sancho | Watford Yth. | Man City Youth | €172k |
| 2014-07-01 | Michael Obafemi | Arsenal Youth | Watford Yth. | Free |