Islamic finance is the body of banking, insurance and investment services organised according to Sharia rules, which exclude interest, excessive uncertainty and speculation, and which link every return to a real asset, a genuine trade or a shared business risk.
What the term Islamic finance actually covers
The term does not mean religion applied at the counter but a contractual method. It covers accounts, home and business financing, insurance, funds, asset-backed certificates and social finance, and is open to Muslim and non-Muslim customers alike, depending on local law.
Riba: why a loan cannot earn an agreed surplus
Riba refers to any excess demanded in return for time on a money debt. A lender therefore cannot charge a rate. Returns must come from a sale, a rent or a business result, which forces the institution to bear genuine commercial risk.
Gharar and maysir, the other two red lines
Gharar forbids leaving an essential element, such as price, subject matter or due date, too vague when a contract is concluded. Maysir excludes gains that depend on chance rather than productive effort. Together they rule out most speculative derivatives.
Sectors that compliant financing avoids
Beyond contract form, what is financed matters: alcohol, pork, gambling, weapons in some interpretations, entertainment deemed unlawful and conventional banking are excluded. For shares, ratios on debt and interest income supplement this first sector screen.
A tangible asset behind every transaction
Because money is not supposed to generate money on its own, each financing rests on an identifiable good, service or project. This asset-backing requirement ties finance to the real economy and often makes the bank a temporary owner of the asset.
Selling with a margin known in advance
Under Murabaha, the bank buys the asset and resells it to the client with a disclosed margin, payable on deferred terms. Salam pays upfront for goods delivered later, and Istisna funds manufacturing or construction. Once fixed, the price cannot rise because of late payment.
Leasing instead of lending through Ijara
The institution acquires an asset, such as a home, vehicle or machine, and makes it available for rent. It remains the owner and bears the major risks of ownership. In the variant ending in transfer, title passes to the client at maturity under a separate deed.
Partnering through Musharaka and Mudaraba
In Musharaka, each partner contributes capital and shares profits at an agreed ratio, with losses borne in proportion to capital. In Mudaraba, one party provides funds and the other labour; in a loss without misconduct, the investor bears the money loss and the manager loses the effort.
What changes for an Islamic bank customer
The current account works as a guaranteed deposit without return, often structured as a benevolent loan or safekeeping. Investment accounts share in results. For financing, customers sign sale or lease contracts, with heavier paperwork than a plain loan agreement.
Takaful, insurance built on mutual help
Participants pay contributions into a common fund that compensates members' claims. The operator manages the fund for an agency fee or a share of investment profit, and any surplus may be redistributed. Risk is shared among members rather than sold to an insurer.
Sukuk, certificates backed by assets
A sukuk represents an ownership share in an asset, a stream of rents or a project, not an interest-bearing debt claim. Holders receive the income from that asset. Governments, banks and companies issue them to fund infrastructure, fleets or property programmes.
Compliant funds, indices and wealth management
Compliant equity funds select companies by activity and balance sheet, then purify the share of income regarded as non-compliant. There are also sukuk, commodity and real estate funds, as well as Sharia indices published by the major index providers.
Who decides that a product is compliant?
Each institution has a Sharia board or adviser that approves contracts and procedures, then checks how they are applied. Some countries add a national authority. AAOIFI publishes Sharia, accounting and governance standards, while the IFSB develops prudential standards tailored to the sector.
From the Gulf to Southeast Asia, uneven growth
Gulf states, Malaysia, Indonesia, Pakistan and Sudan have made Islamic finance a pillar of their systems, sometimes the only model. Elsewhere, as in the United Kingdom, Africa or continental Europe, it sits alongside conventional banking within frameworks of varying suitability.
Limits every saver should keep in mind
A compliant product remains exposed to credit, market and liquidity risk and to the failure of the institution. Sharia opinions can differ between jurisdictions. Nothing on this site amounts to financial advice or to a definitive religious ruling.
How to explore the sections of this site
Contract guides explain each mechanism, banking product and financing pages show their practical use, the investment and takaful sections cover savings and insurance, and country pages describe regulators, legal frameworks and the local offer.
Find an Islamic finance product and its conventional equivalent
Beyond the definition, Islamic finance does not consist in removing interest from a conventional banking contract. It rests on a coherent set of rules: remuneration of capital, risk sharing, ownership of assets, clarity of contracts and the nature of the activities financed. The following sections complement the principles above.
Clarifications on structuring principles
Gharar: excessive uncertainty, not all uncertainty
The essential elements of the contract must be sufficiently determined: subject matter, price, obligations, deadlines and the rights of the parties. Not all economic uncertainty is prohibited; the restriction concerns excessive uncertainty that makes the transaction ambiguous or unfair.
Maysir: normal risk and speculation
Islamic finance distinguishes normal economic risk, inherent in investment or trade, from speculation with no economic or productive justification, where the gain depends mainly on a bet or a chance event.
Risk sharing without a single model
Risk sharing is an important principle, but not all transactions rest on a full sharing of profits and losses: some are sales or leases. What is sought is an identifiable link with a real economic activity, which limits the creation of returns disconnected from any underlying asset.
Sector screening that varies between committees
Certain activities considered incompatible are excluded from Islamic portfolios. Methodologies differ between authorities and compliance committees, which may also examine financial ratios in addition to a company's main activity.
How an Islamic bank is remunerated
A business that has to generate revenue
Depending on the contracts used, an Islamic bank's remuneration comes from a commercial margin, rent, service fees or a share in profits. The absence of conventional interest therefore means neither free financing nor an absence of profitability for the institution.
Islamic finance and Islamic banking are not synonymous
Banking is only one part of the sector, which also includes asset management, investment funds, capital markets, Islamic insurance, corporate finance, fintech and social finance. A conventional bank may develop a separate Islamic business where regulation and its internal governance allow it.
Other common contracts
Besides Murabaha, Ijara, Musharaka, Mudaraba, Salam, Istisna, Sukuk and Takaful, one also encounters Wakala, Tawarruq and Qard Hasan. These instruments respond to logics of sale, leasing, investment, partnership or solidarity and are analysed one by one. The tool above presents their functions and their closest conventional equivalents.
Sharia governance and standardisation
The Sharia compliance committee
Depending on the jurisdiction, compliance oversight is carried out by an internal committee, a national authority or several levels of supervision. Competence, independence, documentation and ongoing monitoring contribute to the credibility of the arrangement.
AAOIFI and IFSB
AAOIFI develops standards on Sharia, accounting, auditing, governance and ethics for Islamic financial institutions. Its standards are adopted or used as references in many jurisdictions, which harmonises practices without removing all differences of interpretation between markets. The IFSB works on financial stability, supervision, governance and prudential rules; its standards complement international banking frameworks by taking into account Islamic banks, Sharia-compliant capital markets and Takaful.
A sector spread across several financial centres
Size of the sector
According to the IFSB's Islamic Financial Services Industry Stability Report 2026, the sector represented around USD 4.4 trillion of assets in 2025. Banking institutions are its dominant component, ahead of Islamic capital markets and Takaful, hence the attention supervisors pay to solvency, the quality of financing, liquidity and governance.
The Gulf and Malaysia
Saudi Arabia, the United Arab Emirates, Bahrain, Kuwait and Qatar are among the important markets, with developed banks, investment companies and capital markets; regulatory frameworks and interpretations of Sharia nevertheless vary considerably from one to another. Malaysia has a more centralised framework: the Shariah Advisory Council of Bank Negara Malaysia is the highest reference authority on Sharia for the country's regulated Islamic financial activities.
Asia, Africa, the United Kingdom and France
Islamic finance has also developed in Indonesia, Pakistan, Bangladesh, Turkey and several African economies; its establishment depends on local demand, the legal framework, taxation, skills and market depth. The United Kingdom is the main Western centre: the Bank of England offers an Alternative Liquidity Facility there to institutions subject to restrictions on interest-bearing transactions. In France, Islamic finance falls within general financial law, and the Bulletin officiel des finances publiques provides for a specific tax treatment of certain Murabaha, Sukuk, Ijara and Istisna transactions.
Regulation, compliance and risks
Conventional regulation continues to apply
Describing a transaction as Islamic does not exempt it from national rules. A bank must comply with the prudential, tax, contractual, accounting and customer protection rules of its country. Sharia compliance is an additional requirement and never replaces the authorisations of financial regulators.
The risk of Sharia non-compliance
An Islamic institution manages traditional financial risks and the risk of Sharia non-compliance. A transaction later judged non-compliant may require corrections, affect the treatment of certain income and harm the institution's reputation; compliance is therefore monitored throughout the life cycle of the transaction.
Accounting and audit
Islamic transactions raise specific questions about the recognition of assets, profits, losses and income. AAOIFI has developed specialised accounting and auditing standards, which jurisdictions may apply alongside their national or international frameworks.
Liquidity and other risks
Islamic banks manage their liquidity without automatically resorting to all the interest-bearing instruments available to conventional banks, hence the importance of liquid assets and suitable money markets. A compliant transaction is never risk-free: credit, market, liquidity, concentration, counterparty, operational and legal risks remain, and certain structures add risks linked to ownership or the underlying asset. The investor therefore assesses return, guarantees and risk independently of the Islamic character of the product.
Ethical finance, social finance and fintech
Islamic finance and ESG criteria
Islamic finance and ethical finance converge on the screening of activities and the importance of the real economy, but are not synonymous: ESG criteria concern the environment, social matters and governance, whereas Sharia compliance rests on specific religious and contractual rules.
Islamic social finance
Zakat, waqf and qard hasan can contribute to solidarity, social financing, entrepreneurship and financial inclusion. Their status, management and integration into the financial system differ greatly from country to country.
Islamic fintech
Mobile banks, investment platforms, crowdfunding and compliance automation make up Islamic fintech. Technology can reduce costs and widen access to services, but it does not remove the obligations of customer identification, anti-money laundering, cybersecurity, data protection and Sharia compliance.
Specialist external source
The Reserve Bank of India website shows how a central bank in an interest-based system studied, then set aside, the introduction of interest-free banking.
Providers offering these services
- Al Rayan Bank: UK Islamic bank offering a Sharia-compliant current account and savings accounts, structured so that no interest is paid or charged.
- iShares by BlackRock: UCITS ETF tracking the MSCI World Islamic index, giving exposure to developed-market equities screened according to Sharia criteria.
- Al Hilal Bank: Abu Dhabi Islamic bank offering a Mastercard debit card intended for everyday Sharia-compliant spending and banking transactions.
- Wahed: Halal investment manager behind the Wahed FTSE USA Shariah ETF, listed on Nasdaq and invested in Sharia-compliant US equities.