Dir | ||||||
|---|---|---|---|---|---|---|
 🏴Benjamin Arthur | 2/2/2026 | Loan | Brentford | CelticUntil 6/30/2026 | Defender | |
| 2/2/2026 | Loan | Brentford | Coventry CityUntil 5/31/2026 | Midfielder | ||
 🏴Edmond-Paris Maghoma | 1/26/2026 | Transfer | Brentford | Norwich City | Midfielder | |
| 1/22/2026 | Loan | Brentford | Swansea CityUntil 6/30/2026 | Forward | ||
| 1/15/2026 | Loan | Brentford | Oxford UtdUntil 5/31/2026 | Midfielder | ||
 🏴Matthew Cox | 1/15/2026 | Loan | Brentford | Shrewsbury TownUntil 5/31/2026 | Goalkeeper | |
| 1/11/2026 | Transfer | Club Brugge | Brentford | Forward | ||
🏴Myles Peart-Harris | 1/9/2026 | Transfer | Brentford | Oxford UtdUntil 7/1/2026 | Midfielder | |
 🏴Pelenda Dasilva | 10/23/2025 | Free Transfer | Unknown | Brentford | Midfielder | |
 🏴Ben Mee | 9/1/2025 | Transfer | Brentford | Sheffield UtdUntil 7/1/2026 | Defender | |
| 9/1/2025 | Transfer | Brentford | Newcastle Utd | Forward | ||
 🏴Reiss Nelson | 9/1/2025 | Loan | Arsenal | BrentfordUntil 6/30/2026 | Forward | |
| 8/21/2025 | Transfer | Brentford | Southampton | Defender | ||
 🏴Jayden Meghoma | 8/17/2025 | Loan | Brentford | RangersUntil 5/31/2026 | Defender | |
| 8/16/2025 | Transfer | Bournemouth | Brentford | Forward | ||
 🏴Ryan Trevitt | 7/31/2025 | Loan | Brentford | Wigan AthleticUntil 5/31/2026 | Midfielder | |
| 7/21/2025 | Transfer | Brentford | Manchester Utd | Forward | ||
 🏴Jordan Henderson | 7/15/2025 | Transfer | Ajax | BrentfordUntil 7/29/2026 | Midfielder | |
| 7/10/2025 | Transfer | Brentford | Arsenal | Midfielder | ||
| 7/3/2025 | Transfer | Feyenoord | Brentford | Midfielder | ||
| 7/1/2025 | Transfer | Brentford | Bayer Leverkusen | Goalkeeper | ||
🏴Pelenda Dasilva | 7/1/2025 | Free Agent | Brentford | ReleasedUntil 10/23/2025 | Midfielder | |
 🏴Ben Winterbottom | 7/1/2025 | Transfer | Brentford | BarrowUntil 3/25/2026 | Goalkeeper | |
| 7/1/2025 | Transfer | Liverpool | Brentford | Goalkeeper | ||
| 7/1/2025 | Transfer | Fiorentina | Brentford | Defender | ||
🏴Romelle Donovan | 7/1/2025 | Transfer | Birmingham City | BrentfordUntil 7/8/2026 | Forward | |
| 6/30/2025 | Back from Loan | Brentford | FiorentinaUntil 7/1/2025 | Defender | ||
| 6/30/2025 | Back from Loan | Augsburg | BrentfordUntil 2/2/2026 | Midfielder | ||
🏴Jayden Meghoma | 6/30/2025 | Back from Loan | Preston North End | BrentfordUntil 8/17/2025 | Defender | |
| 6/30/2025 | Back from Loan | Wolfsburg | BrentfordUntil 8/21/2025 | Defender |
