4X Currency is aimed at companies and internet users looking to convert currency and transfer it overseas. Because all the trades are done online instantly, 4X can offer cheaper exchange rates than its high street rivals.
'It doesn't have any middlemen in the City on high salaries doing its deals for it, unlike the banks and their competitors,' said Wolfstar account director Chris Norton, who will lead the account at the Leeds agency.
'The problem we are going to face, especially in the business market, is that many people just use their bank and don't even realise they have a problem.
'If we can show people the amount of money they can save on just one transfer, we will be halfway there - as it really is a no-brainer.'