Davis Polk & Wardwell in advising Royal Bank of Scotland (RBS) on its $10.5bn (£5.8bn) acquisition of Charter One, in the third major RBS instruction for the New York firm in the last year.

The deal, structured under US law, sees RBS’ local subsidiary, Citizens Financial Group, agree to take over Charter One giving the UK bank an extensive network in Ohio, Michigan, Illinois, Indiana, Vermont and New York.