The UK government on Monday urged businesses to prepare for Brexit, just four days before the transition period designed to smooth the UK’s departure from the European Union comes to an end at 11 p.m. on Dec. 31. Britain has stayed aligned to the EU’s trading and regulatory rules during the transition period, which has been in place since the country left the EU on Jan. 31 this year. Following multiple talk breakdowns over recent months that faltered on fishing rights and fair competition rules, the two sides finally clinched an almost eleventh-hour trade deal on Thursday—one that preserves zero-tariff and zero-quota access to the bloc’s single market, but which will still cause disruption. ‘The Deal is Done’ “The deal is done,” cabinet office minister Michael Gove said in a statement, “but with big change comes challenge and opportunity.” Businesses, he added, need to adjust to Britain’s departure from the …