This study examines the relationship between capital structure and financial performance in the UK market by using FTSE 350 companies. The hypothesis tested is whether there is a significant relationship between capital structure and companies' performance. The null hypothesis (Ho) stated that there is no relationship between capital structure and firms' performance. The methodological approach taken was a sample of 129 companies from FTSE 350 compromising top UK companies. These companies were analyzed to find a relationship between the capital structure and financial performance. Data relating ...