The 2016 Brexit vote led to angry divisions among the UK’s Eurosceptics and Europhiles. Now the UK's split with the European Union is dividing finance workers at some of the country’s largest banks and trading firms.

European and UK executives at several London lenders have been locked in heated battles over their internal responsibilities regarding long-standing client relationships since the UK transitioned into Brexit on 1 January, according to conversations with seven bankers, traders and their advisers.