![](https://www.cer.eu/sites/default/files/styles/spotlight/public/inthecaseofBremain_insight_24.6_0.jpg?itok=K_AJEhsf)
A deal on Brexit was never going to be easy. There's plenty that could go wrong
Charles Grant, the director of the Centre for European Reform, believes that the UK needs to conduct five interconnecting sets of trade negotiations (actually he identifies more but I’m going to leave out those on foreign, defence and security policies for the sake of simplicity).