A fundraising could also be used to swoop on weaker rivals as the forex-broking world still reels from the dramatic events of January, when the Swiss National Bank scrapped its currency cap against the euro.
The bombshell sent the value of the Swiss franc soaring, and the fall-out put several brokers spinning out of business.
Companies House accounts for FxPro UK show the firm traded $22.8 billion (£15.07 billion) in 2014 — down by more than half.