Three fresh faces have already arrived at the club this month, while four confirmed their exits.
Brighton confirmed one deadline day departure as their legendary striker Glenn Murray made the move to Nottingham Forest where he will reunite with his former Albion boss Chris Hughton, who is currently in charge at the City Ground.
There could however be further activity with an international midfielder tipped to arrive and the possible departure of two big money strikers.
Scroll down and click through to see all the completed deals and how it has impacted Graham Potter's first team squad.
1. Michal Karbownik - confirmed
The 19-year-old Poland international left back was recalled from his season-long loan at Legia Warsaw. Karbownik joined on transfer deadline day last October, before heading back on loan to Legia.
2. Jakub Moder - confirmed
The 6ft 3in Poland international was recalled from his loan at Lech Poznan and strengthens Graham Potter's midfield options for the second half of the season. Has been in the matchday squads of late but the 10m signing is yet to make his Albion debut
3. Percy Tau - confirmed
The South International striker was recalled from his loan at Anderlecht earlier this month and made his Albion debut in the FA Cup at Newport. Made an encouraging PL debut in the 1-0 loss at Man City. The tricky left footer will add competition and a creative spark to Brighton's attack
4. Glenn Murray - confirmed
Albion's legendary striker Glenn Murray has joined Nottingham Forest on a permanent deal after he cut short his disastrous loan move to Watford. Murray will team up with his old Albion boss Chris Hughton at the City Ground.