Nabarro's highest paid partner received a 30.7% pay hike in 2012-13, while the firm's profits grew by double digits in the same period.

The firm's limited liability partnership (LLP) accounts, filed with Companies House, show that the top earner pocketed £635,000, up on the previous year's equivalent of £486,000.

The accounts also reveal that the firm's profits significantly increased in 2012-13. Operating profit rose 22% from £34.7m in 2011-12 to £42.5m, while total profit for the financial year grew by 24% to £42.2m.