Last month, the firm resumed its battle with Benedict Mckenzie, liquidator of collapsed company Stone & Rolls, but is now awaiting a key ruling.

The two sides have been trading legal blows since 2007, but Moore Stephens got a major boost after a judge threw out a bid for compound interest to be tacked on to the audit negligence claim, which would have meant £90m in possible damages.

The case has serious implications for the rest of the profession if litigation funding becomes par for the course in the UK.

A Moore Stephens spokesman said, ‘The appeal against the strike-out was heard in March. There is a reserve judgment on the way.’