The UAE legal system is a federal structure built on the 1971 Constitution that combines codified civil law, Islamic Sharia, and two self-contained common law zones for international finance. Federal courts and laws govern most of the country, individual emirates retain authority over anything not assigned to the federation, and the Dubai International Financial Centre and Abu Dhabi Global Market operate under English-language common law with their own judges and rules. A wave of reforms since 2020 has rewritten family law for non-Muslims, modernized the penal code, introduced corporate tax, and opened mainland companies to full foreign ownership, so guides written before then describe a country that no longer exists on paper.
Constitutional Foundation and Sources of Law
The Constitution was issued on 18 July 1971 when the seven emirates formed a federation, initially as a temporary document and later made permanent.1UAE Cabinet. The Constitution It splits authority into two lanes. Federal jurisdiction covers foreign affairs, defense, nationality, currency, labor, banking, and the major civil, commercial, and penal codes. Anything not expressly assigned to the federation defaults to the individual emirates, which is why business licensing, land regulation, and local policing can vary noticeably between Dubai, Abu Dhabi, and the northern emirates.2UAE Legislations. The Constitution of the United Arab Emirates
Three traditions feed into the law a resident or business actually encounters:
- Islamic Sharia. Article 7 of the Constitution designates Sharia as “a principal source of legislation.” Its influence is strongest in family and personal status matters for Muslim residents, and it also shapes certain criminal and public morality provisions.
- Codified civil law. The structural backbone of the onshore system follows a civil law tradition modeled on Egyptian and French codes. Judges apply written statutes, and earlier decisions do not bind later courts. There is no system of binding precedent onshore.
- Common law. The DIFC and ADGM apply common law in English, with judicial precedent carrying binding weight inside those zones.
Legislation runs in a strict hierarchy. Federal laws enacted by the Federal Supreme Council sit at the top, followed by federal decree-laws issued by the President, then ministerial resolutions handling operational detail. No law at any level may contradict the Constitution.3UAE Embassy in Washington, DC. Political System and Governance
How the Courts Are Organized
Onshore UAE courts follow a three-tier structure so that no single judge has the final word unless the parties choose not to appeal.
- Court of First Instance. Where cases begin. The court collects evidence, hears witnesses, and issues the initial ruling.
- Court of Appeal. A party disagreeing with the first ruling has 30 days in civil cases to appeal. The appeal court re-examines facts and legal reasoning.4UAE Legislations. Federal Decree-Law No. 42 of 2022 Promulgating the Civil Procedure Code
- Court of Cassation. The highest level. It does not rehear evidence; it reviews only whether the law was correctly interpreted and applied. Its decisions are final.
All documents filed in onshore courts must be in Arabic, so parties litigating in English need to budget for certified legal translation.
Independent Local Courts
The Constitution explicitly allows each emirate to keep jurisdiction over judicial matters not assigned to the federal courts. Most emirates have opted into the federal system, but Dubai and Ras Al Khaimah run their own independent judiciaries, and Abu Dhabi operates its own judicial department. Dubai’s courts, governed by Law No. 13 of 2016 Concerning the Judicial Authorities, mirror the federal three-tier structure with Courts of First Instance, a Court of Appeal, and a Court of Cassation, plus an independent Public Prosecution.5The Supreme Legislation Committee in the Emirate of Dubai. Law No. 13 of 2016 Concerning the Judicial Authorities in the Emirate of Dubai These local courts apply federal laws alongside local regulations issued by the emirate’s ruler. A contract dispute arising in Dubai goes through Dubai courts; an identical dispute in Sharjah goes through the federal system. Cases touching federal matters like immigration or national security stay with the federal courts regardless of location.
The Common Law Financial Zones
The DIFC in Dubai and the ADGM in Abu Dhabi are free zones operating under an entirely different legal tradition. Both apply common law, where judicial precedent shapes later rulings. The ADGM was the first jurisdiction in the Middle East to directly apply English common law.6Abu Dhabi Global Market. ADGM Courts The DIFC courts can draw on common law principles from multiple jurisdictions. Both zones operate in English, employ judges recruited from established common law systems, and maintain their own financial services regulators.7ADGM Rulebook. 99. Proceedings to Be Conducted in English
The zones exist to attract international business by offering a legal environment that global financial institutions already understand. Companies operating there can choose to resolve disputes inside the zone, and many international contracts name the DIFC or ADGM courts as the preferred forum. For smaller disputes, the DIFC Small Claims Tribunal hears claims up to AED 500,000 (roughly $136,000), with a minimum fee of just $100 for non-employment matters.8DIFC Courts. Small Claims Tribunal
Major Reforms Since 2020
Between 2020 and 2023, the UAE overhauled several foundational laws, reflecting a push to align the legal environment with its diverse, expatriate-heavy population. Anyone working from pre-2020 information is working from an outdated picture.
A Separate Family Law for Non-Muslims
Federal Decree-Law No. 41 of 2022 created a civil personal status track for non-Muslim residents, both citizens and foreigners. Civil marriage requires both spouses to be at least 21 and to give explicit consent before a judge. Either spouse can unilaterally request divorce without proving fault. Inheritance is distributed equally between men and women, and joint custody continues until the child turns 18, after which the child chooses.9UAE Legislations. Federal Decree-Law on Civil Personal Status Non-Muslims can still opt into their home country’s family laws or into the existing Sharia-based rules, but the civil framework is the default.
Muslim residents remain under Federal Law No. 28 of 2005, which governs marriage, divorce, inheritance, custody, and wills using Sharia-based rules.10UAE Legislations. Federal Law No. 28 of 2005 Regarding Personal Status
A Modernized Penal Code
Federal Decree-Law No. 31 of 2021 replaced the previous penal code. Alcohol consumption, previously a criminal offense, was decriminalized. Provisions that reduced sentences for assaults on female relatives, previously framed around “honor,” were scrapped. The code also introduced clearer penalty tiers for fraud and financial crimes, with imprisonment ranging from one year for basic offenses to seven or more years for aggravated cases involving public funds.
Employment Law
Federal Decree-Law No. 33 of 2021 governs private sector employment. Two features catch most workers off guard.
Either side can terminate for a legitimate reason, but must give written notice. The notice period cannot be shorter than 30 days or longer than 90 days, with both sides agreeing to the same duration unless a different period benefits the worker. Probation can last up to six months, and an employer ending the relationship during probation must give at least 14 days’ written notice.11UAE Legislations. Federal Decree-Law No. 33 of 2021 Regulating Labor Relations
All private sector employers registered with the Ministry of Human Resources must pay wages through the Wage Protection System, an electronic transfer system routed through banks and exchange houses authorized by the Central Bank. An employer is late if payment is not made within 15 days after the due date, and late payment triggers fines and work permit bans.12The Official Platform of the UAE Government. Payment of Salaries/Wages
Corporate Tax and Foreign Ownership
The UAE introduced a federal corporate tax effective for financial years starting on or after 1 June 2023 under Federal Decree-Law No. 47 of 2022. The rate is 0% on taxable income up to the threshold set by Cabinet, currently AED 375,000, and 9% on everything above it.13UAE Ministry of Finance. Federal Decree-Law No. 47 of 2022 on Taxation of Corporations and Businesses Qualifying free zone businesses pay 0% on qualifying income but face the standard 9% rate on revenue earned from mainland clients above the threshold. Large multinational groups may also face a 15% minimum tax under the OECD’s global framework.
A transitional small business relief lets companies with total revenue of AED 3 million or less elect to be treated as having zero taxable income. The relief is not automatic; it must be claimed when filing, and currently applies to tax periods ending on or before 31 December 2026.
On ownership, Federal Decree-Law No. 26 of 2020 removed the long-standing requirement for mainland companies to have a 51% Emirati shareholder. Foreign investors can now own 100% of a mainland company, provided the business activity is not classified as having “strategic impact.” The Cabinet maintains a list of restricted activities, and companies in those sectors remain subject to local ownership rules set by each emirate’s economic development authority.
Arbitration and Foreign Judgments
Federal Law No. 6 of 2018 gives the UAE a modern standalone arbitration framework. It applies to any arbitration conducted inside the country, and parties can agree to apply it to international commercial arbitrations conducted abroad. Awards are binding and carry the same enforcement power as a court judgment. The winning party files a confirmation request with the court, and the presiding judge has 60 days to confirm or identify grounds for refusal. Grounds for annulment are narrow and procedural: an invalid arbitration agreement, improper notice to a party, an award exceeding the scope of the agreement, or a violation of UAE public order.14UAE Legislations. Federal Law No. 6 of 2018 Concerning Arbitration The DIFC and ADGM each run their own arbitration centers under rules familiar to international practitioners.
Enforcing a foreign court judgment inside the UAE is harder. The foundational requirement is reciprocity: the country that issued the judgment must itself enforce UAE court judgments under equivalent conditions. UAE courts also verify that the foreign court had proper jurisdiction, that both parties were properly notified and represented, that the judgment is final under the issuing country’s law, and that it does not conflict with an existing UAE ruling or violate UAE public order. An enforcement judge issues a decision within three days of the petition.
The reciprocity requirement has historically blocked enforcement from many Western jurisdictions, though that is shifting. A 2022 directive from the UAE Ministry of Justice confirmed that English court judgments qualify for reciprocal enforcement after an English High Court decision demonstrated the reverse was possible. Parties with judgments from jurisdictions without a clear reciprocity record often fare better by arbitrating, since arbitral awards have a simpler enforcement path.
Who Can Represent You
UAE law draws a firm line between two categories of legal professionals.
Advocates are the only professionals with the right to appear before onshore courts and present oral arguments. To qualify, a person must be a UAE national holding a university degree in law or in Sharia and law from a recognized institution, with their name recorded in the Roll of Practicing Lawyers kept by the Ministry of Justice. Non-national lawyers can obtain a limited license to appear in certain specialized court divisions, but only with at least 15 years of practice experience and only through a licensed foreign law firm. Criminal, administrative, family, and Muslim personal status proceedings are off-limits to non-national advocates entirely.15UAE Ministry of Justice. Federal Decree-Law No. 34 of 2022 Regulating the Legal Profession and Legal Consultation Profession
Legal consultants handle advisory work, draft contracts, and prepare legal documents but generally do not argue cases in court. This is the role most foreign lawyers fill in the UAE. International firms typically pair their consultants with a licensed Emirati advocate when courtroom representation is needed. The DIFC and ADGM courts work differently: foreign lawyers can register to appear directly, provided they meet each zone’s registration criteria.