This report provides a critical analysis of the potential impact of Brexit on UK businesses. It begins with an introduction that outlines the historical context of the referendum and its immediate effects on the UK economy, including the decline of the pound. The main body of the report examines various impacts on different business sectors, discussing both positive and negative consequences. It explores the effects on trade, foreign investment, and labor, citing examples from companies such as Dyson and Nissan. The report also considers the implications of immigration changes and the need for new trade agreements. The conclusion summarizes the key findings, emphasizing the complex and multifaceted effects of Brexit on business profitability, productivity, and investment. The report also references key academic sources to support its arguments.