According to research by business banking market research and analysis firm, East & Partners, four-fifths of Britain's major companies have taken steps to hedge against the risk that a vote to leave the European Union will knock more than 10% off the value of sterling. In contrast, 83% of small and medium-sized firms think sterling will be unharmed by a vote for Brexit. Simon Kleine is the Head of Client Services at East & Partners, and he discussed the findings.