Sukuk explained — What are Islamic investment certificates?

In-Depth Analysis

Having completed the discussion on Wakalah, we now turn to one of the most significant and widely discussed instruments in Islamic finance: Sukuk. The word 'Sukuk' is the Arabic plural of 'Sakk', which historically referred to a certificate or deed. In modern Islamic finance, Sukuk represent certificates of equal value that evidence undivided proportional ownership in an underlying asset, usufruct, or pool of assets. Unlike conventional bonds which represent a debt obligation, Sukuk confer upon their holders a proportionate ownership stake in a tangible asset or business venture. The Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI) defines Sukuk in its Shariah Standard No 17 as 'certificates of equal value representing undivided shares in ownership of tangible assets, usufructs and services, or (in the ownership of) the assets of particular projects or special investment activity.' This definition is critical because it establishes that Sukuk must be backed by real economic activity — the certificates cannot simply represent a promise to repay a sum of money with interest, as that would constitute Riba. The conceptual foundation of Sukuk lies in the Islamic principle that money itself should not generate money. Instead, returns must be derived from productive economic activity involving real assets or services. When an investor purchases a Sukuk certificate, they are not lending money to the issuer; they are purchasing a proportionate share of an identified asset or project. The returns they receive are not interest payments but rather a share of the income generated by that asset — whether rental income, profit from a business, or proceeds from a sale. Sukuk emerged as a practical solution to the need for tradable capital market instruments that comply with Shariah. The first modern Sukuk issuance is generally attributed to Malaysia in 1990, when Shell MDS issued RM125 million in Bai Bithaman Ajil (deferred payment sale) Islamic bonds. Since then, the global Sukuk market has grown exponentially, with annual issuances exceeding $150 billion and outstanding Sukuk surpassing $700 billion. The growth of the Sukuk market reflects the broader maturation of Islamic finance. Sukuk provide governments and corporations in Muslim-majority countries with a Shariah-compliant mechanism to raise capital, while simultaneously offering investors a fixed-income alternative that does not involve Riba. The instrument has also attracted significant interest from conventional investors and issuers, particularly in the wake of the 2008 financial crisis, as entities sought to diversify their funding sources and investor base.