Brexit is not an organization but rather a term that refers to the United Kingdom’s withdrawal from the European Union (EU). The word itself is a portmanteau of “British exit,” and it has become a globally recognized shorthand for one of the most significant political and economic events of the 21st century. On June 23, 2016, the UK held a referendum in which 52% of voters chose to leave the EU, setting in motion a complex process that would reshape the country’s relationship with Europe and the world. The formal process began on March 29, 2017, when the UK government invoked Article 50 of the Lisbon Treaty, starting a two-year countdown to departure. After years of negotiations, political upheaval, and multiple delays, the UK officially left the EU on January 31, 2020. This historic move made the UK the first country ever to exit the EU, marking a new chapter in its economic and political trajectory. Brexit’s impact is far-reaching, especially for business and technology. The UK’s departure from the EU’s single market and customs union has led to changes in trade regulations, immigration policies, and regulatory frameworks. Businesses now face new challenges and opportunities as the UK seeks to establish independent trade agreements and regulatory standards. Technology companies, in particular, must navigate evolving data protection laws and cross-border data flows. Key achievements of the Brexit process include the restoration of national sovereignty and the ability for the UK to set its own laws and trade policies. However, the transition has also brought economic uncertainty and complex negotiations, especially regarding Northern Ireland. Today, Brexit continues to influence UK policy, business strategy, and international relations. For those interested in business and technology, Brexit represents a dynamic landscape of regulatory change, innovation, and global repositioning.