On 31 January 2020, Brexit took place and the UK left the European Union. Following this on 1 February 2020, the Brexit transition period started. Although the Brexit transition period is predicted to last until 31 December 2020, some critics have the opinion that it may take much longer. Throughout the transition period UK will still be obliged to comply with the European Union rules, which means the Court of Justice of the European Union will continue to have jurisdiction over the UK. This article examines the issues of how the Brexit transition period will affect the Turkish businesspersons and their businesses, the new immigration rules and this period’s effect on the Ankara Agreement work visas.