Like all financial services, Islamic finance needs an appropriate supervisory framework and legislation is often the first step towards opening a new market. Financial institutions also need to ensure they have sufficient shariah expertise and advice to develop appropriate products. Three factors are driving the market’s growth. First, it is becoming part of normal retail and corporate banking in core Islamic countries, such as Saudi Arabia. Second, its growth appeals to other markets, particularly in the Muslim world. The third driver is innovation. In the end, greater availability of sukuk offers more choice to companies and investors and allows issuers to offer products tailored to specific needs.