Three more accountancy-tied law firms have cut themselves loose from their parents, citing post-Enron audit reforms in the latest blow to the big four’s legal ambitions.

The moves see PricewaterhouseCoopers’ (PwC’s) legal arm, Landwell, lose its Swiss and Greek members, while KPMG’s French law firm, Fidal, has announced its withdrawal from KPMG International, the accountant’s joint management body.