If Britain votes to leave the EU, it will have to negotiate a new trading relationship with what would now be a 27 member organisation  to allow British firms to sell goods and services to EU countries without being hit by excessive tariffs and other

The EU buys over 50 per cent of UK exports (54 per cent of goods, 40 per cent of services).Over 300,000 British companies and 74 per cent of British exporters operate in other EU markets American and Asian