Brexit has made it trickier for UK lawyers and architects who want to work in Europe, even musicians have to fill in customs paperwork when they go on tour. So why has the service sector seemed to boom since the UK’s departure from the EU? Former Brussels correspondent Adam Fleming investigates.Presenter Adam FlemingProducers: Diane Richardson and Sally AbrahamsResearcher: Octavia WoodwardProduction Co-ordinator: Janet Staples Editor: China CollinsSound: Neil Churchill