Prime minister Theresa May this week pulled the trigger on Article 50, starting the process of withdrawing the UK from the European Union and perhaps one of the biggest strategic review projects Britain's companies have ever seen. With the prospect of Brexit radically changing the country's trading relationship with member states of the EU, corporates in the UK will have to know what their options are when it comes to making their big strategic decisions over the next couple of years. Karen Briggs, head of Brexit at KPMG, writes: "Although individual companies have different levels of Brexit exposure, the majority are deep into scenario planning and some firms are beginning to reconfigure their businesses. "This means talking to a