The study examined the role of corporate governance principles in raising the financial performance efficiency for insurance companies in Sudan. The study has the following questions: Does the applying of corporate governance principles affect the profitability of insurance companies? What is the relationship between applying the principles of governance and liquidity? The study reached the following results: The rights of the equity principle help increase the net profit of insurance companies. The principle of equal treatment affects the rate of return on the gross profit of insurance companies. The principle of equity contributed to reducing the liquidity ratio of insurance companies.The study recommended: applying the principle of disclosure and transparency to reduce the risk of interest rates, and that the governing council bear the responsibility in insurance companies to reduce the risk of fraud, and increase net profits through applying the principle of financial value.