This article discusses the impact of Brexit on UK international firms and economy. It covers the positive and negative effects of Brexit on UK firms, including the freedom to choose newer markets, make own trade deals, and implement their own trade policy, as well as the additional business charges through customs and tariffs. The article also discusses the impact of Brexit on the European Union member states, including the free movement of goods, services, capital, and human resource, and the reduced business costs. The article concludes that Brexit might steer the United Kingdom into a stronger economic standing despite the challenges.