The Shariyah Review Bureau (SRB) is one of the leading Shariah advisory firms for corporations worldwide. It operates in over 21 countries, including the United States, Europe, Africa, the GCC, and Asia. SRB provides Shariah advisory and audit services to both public and private companies, covering diverse sectors of the financial industry. Its clients span across Hong Kong, the United States, the United Kingdom, Canada, France, Switzerland, and the GCC. In Saudi Arabia, SRB holds a significant market share among investment companies, cooperative insurance providers, and financing firms. SRB offers a wide range of services, including product certification, Shariah advisory, Shariah audit, and equity screening.