What next for London, the world's second-largest financial center? The UK-EU trade deal has done little to bolster Britain's financial services sector, a major contributor to its economy. DW breaks down what must happen after Brexit to stop the City of London from faltering. The UK's financial hub has seen an exodus of workers and capital since the 2016 Brexit vote The new UK-EU trade deal came into effect on Friday, giving Britain unprecedented market access to one of the world's largest trading blocs — despite its messy divorce from Brussels. The long-awaited agreement, sealed just before Christmas and approved by the UK Parliament on Wednesday by 521 to 73 votes, smooths the way for both sides to trade with zero tariffs and zero quotas. It is likely to be approved by the European Parliament in the new year.