Albion manager Mark McGhee admitted today that more new faces should have been brought in.
McGhee's quest to strengthen his struggling Championship squad continues before the transfer window closes on Wednesday.
He will only be able to sign players on loan after that up until January, when the window re-opens.
"We are working overtime," McGhee said. "We are trying to do it before the deadline. It has concerned me a wee bit that we haven't done it well enough.
"We've brought in a couple of lads from overseas but we should have done more business by now.
"We haven't, so I am disappointed at that and looking closely at why that is but it is a long season and we still have time over the season to bring in players."
The Seagulls have signed seven new players so far. Only four of them are permanent: defender Jason Dodd, winger Sebastien Carole and forwards Colin Kazim-Richards and Federico Turienzo.
Goalkeepers Wayne Henderson and Florent Chaigneau have been borrowed from Aston Villa and Rennes respectively and centre half Paul McShane from Manchester United.
Turienzo has still to make his first start because of injuries but the Argentine target man could be in contention for Monday's home game against Plymouth Argyle.
QPR drew 0-0 at home to ten-man Sheffield Wednesday in the Championship last night.
Wednesday had John Hills sent off in the 77th minute for a second bookable offence.
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