France has long been a challenging place in which to do business. The historically left-leaning country’s high taxes and tough labor laws often have made it a frustrating market for international investors—and their lawyers.

The situation in recent years has been particularly difficult. Big Law firms have had less work in France, thanks to a combination of the global financial crisis and the stifling actions of former President François Hollande, a dyed-in-the-wool socialist who ran on an anti-business ticket and made good on his promise with a series of tax hikes and new regulation.