Portimonense U23 (Liga Revelacao U23): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-09-01 | Shyon Omrani | Portimonense U23 | Farense U23 | Free |
| 2025-07-10 | Feliciano Mendes | Portimonense U23 | Amarante | Free |
| 2025-07-01 | Zinho | B SAD | Portimonense U23 | Free |
| 2025-07-01 | Ricardo Sousa | Portimonense U23 | Vianense | Free |
| 2025-07-01 | Dânio Djassi | Portimonense U23 | B SAD | Free |
| 2025-02-01 | Kristofer Käit | Tallinna Kalev | Portimonense U23 | Free |
| 2025-01-21 | Ye-chan Lee | Portimonense U23 | Bucheon 1995 | Loan |
| 2024-11-11 | Afonso Fernandes | Portimonense U23 | B SAD | Free |
| 2024-09-01 | Afonso Fernandes | Kabuscorp | Portimonense U23 | Free |
| 2024-08-23 | Midana Cassamá | Portimonense U23 | Dibba Al-Hisn | Free |
| 2024-08-05 | Álvaro Augusto | Saran U19 | Portimonense U23 | Free |
| 2024-07-29 | Zé Gabriel | Portimonense U23 | Joinville | Free |
| 2024-07-01 | Ricardo Sousa | Portimonense U23 | B SAD | Free |
| 2024-07-01 | Davis | Portimonense U23 | B SAD | Free |
| 2024-07-01 | Feliciano Mendes | Portimonense U23 | B SAD | Free |
| 2024-07-01 | João Victor | Portimonense U23 | Lagoa | Free |
| 2024-03-13 | Toki Hirosawa | Portimonense U23 | Jagiellonia II | Free |
| 2024-02-01 | João Nobrega | Portimonense U23 | FC Dila | Free |
| 2024-01-21 | Ronald Barcellos | Portimonense U23 | Central Coast Mariners | Loan |
| 2024-01-01 | Feliciano Mendes | Portimonense SC | Portimonense U23 | Free |