West Ham United owner David Sullivan values the club at £600 million and he will demand that his valuation is met if a potential suitor wants to buy the London club.
According to Football Insider, American billionaire Joseph DaGrosa has been linked with the Hammers after his move to take over at Southampton stalled.
The report further states that Sullivan and David Gold are prepared to sell the London club and they have already held talks with multiple parties.
The London club have turned in a profit in four of the last five years.