Asgeir Fridgeirsson, the club's vice-chairman, admitted: "We have a big squad. Our manager feels it is not necessary to be that size, so if further transfers are needed, money would need to be generated from sales.
"There is no reason to be too pessimistic. It is a blow for him [Gudmundsson] and his financial strength but he has numerous other investments which are doing well, so there is no reason to fear he will not fulfil his commitment to West Ham.
"Mr Gudmundsson has already put £30million into the club and that money is still there. He has invested in creating a squad capable of challenging for the top half of the Premier League.
"One thing he is sure of is that this will have no implications on the other investments of him and his family."
By chance, that is precisely the figure Sheffield United are pushing for as part of their compensation from the Carlos Tevez transfer affair.
Despite the financial pressures imposed on the billionaire, Gudmundsson has no intention of selling the club - for now.
Fridgeirsson added: "There is enormous interest in the club but at the moment we are not actively in the process of selling. There is not a need.
"There have been agents all around the club trying to get our attention but we have turned them away."
