Introduction

The UAE corporate tax regime, effective since June 2023, has reshaped how every business operating in the Emirates manages compliance, planning, and reporting. For 2026, the rules are stable but enforcement is tightening — the Federal Tax Authority (FTA) has begun issuing penalties for late registration, missed filings, and inadequate record-keeping. If you run an SME, an e-commerce store, a real estate company, or a free zone entity in the UAE, this guide explains exactly what corporate tax means for you, how to calculate it, and how to stay compliant without overpaying.

What is UAE Corporate Tax?

UAE Corporate Tax (CT) is a federal tax on the net profit of businesses, introduced under Federal Decree-Law No. 47 of 2022. It applies to taxable persons across the seven Emirates, including mainland companies, free zone entities, and certain foreign companies with a UAE permanent establishment. The tax was designed to align the UAE with global tax transparency standards, including the OECD’s Pillar Two framework, while preserving the country’s competitive position. Unlike VAT, which is a transaction tax collected at each stage of supply, corporate tax is calculated on accounting profits — adjusted for specific UAE tax rules — and paid annually.

UAE Corporate Tax Rates in 2026

The headline UAE corporate tax structure remains a two-tier system. The first AED 375,000 of taxable income is taxed at 0%, and any taxable income above that threshold is taxed at 9%. A separate top-up tax under the Domestic Minimum Top-up Tax (DMTT) regime applies at 15% to large multinational groups with global revenue above EUR 750 million, in line with OECD Pillar Two. For most SMEs, the effective rate to plan around is 9% on profits above AED 375,000. There is no separate small business surtax, and dividends and capital gains from qualifying shareholdings are generally exempt — meaning corporate tax in the UAE remains one of the most competitive regimes globally.

Who Must Register and File?

Every taxable person in the UAE must register for corporate tax with the FTA, even if income is below the AED 375,000 threshold or fully exempt. This includes mainland LLCs, free zone companies, sole establishments earning above AED 1 million in turnover from business activity, and branches of foreign companies. Registration is done through the EmaraTax portal, and each entity is assigned a Tax Registration Number (TRN). Failure to register by the FTA’s published deadline triggers an AED 10,000 administrative penalty. Filing is annual: a corporate tax return must be submitted within nine months of the end of the financial year. For a financial year ending 31 December 2025, the return is due by 30 September 2026.

Free Zones and the 0% Regime

Free zone businesses are eligible for a 0% corporate tax rate on qualifying income if they meet the conditions of a Qualifying Free Zone Person (QFZP). These conditions include maintaining adequate substance in the UAE, deriving qualifying income (such as transactions with other free zone entities or specific activities listed in Cabinet Decisions), complying with transfer pricing rules, and not electing to be taxed at the standard rate. Income from non-qualifying activities is taxed at 9%, with no AED 375,000 threshold. Many free zone businesses miss the QFZP conditions because of how they invoice mainland customers — see our dedicated Free Zone 0% Corporate Tax Guide for the full criteria.

Small Business Relief

The UAE offers Small Business Relief for resident taxable persons with revenue of AED 3 million or less in the relevant tax period and all previous tax periods. Qualifying businesses are treated as having no taxable income for the period and pay 0% corporate tax — though they must still register, file a simplified return, and maintain accounting records. Small Business Relief is a transitional measure currently available for tax periods ending on or before 31 December 2026. SMEs near the threshold should plan carefully: crossing AED 3 million revenue in any period disqualifies the business from the relief, and an unexpected sales spike can trigger a full 9% liability on profits above AED 375,000.

Calculating Taxable Income

Taxable income starts with the accounting net profit shown in your IFRS-compliant financial statements, adjusted for tax rules. Common adjustments include adding back non-deductible expenses (entertainment beyond 50%, fines, certain related-party interest), deducting exempt income (qualifying dividends, foreign branch profits where elected), applying transfer pricing adjustments to related-party transactions, and carrying forward tax losses (subject to a 75% limitation). Maintaining clean monthly bookkeeping is essential — most SMEs that overpay corporate tax do so because their accounting records cannot substantiate deductions during an FTA audit. Cloud platforms like Zoho Books, properly configured for the UAE, make this far easier.

How an Outsourced CFO Helps with Corporate Tax

Compliance is only the floor. A good outsourced CFO turns corporate tax into a planning lever — structuring intercompany flows, optimising group elections, modelling the Free Zone vs mainland decision, and ensuring transfer pricing documentation is defensible. At OPAB, we work with UAE SMEs, e-commerce businesses, and real estate companies to handle registration, monthly bookkeeping, year-end tax provisioning, and the FTA filing itself. The result: predictable tax outcomes, no penalty surprises, and management dashboards that connect tax position to business decisions.

Frequently Asked Questions

Q1. What is the corporate tax rate in the UAE in 2026?

0% on taxable income up to AED 375,000 and 9% on taxable income above that threshold. Large multinational groups (revenue above EUR 750 million) are subject to a 15% Domestic Minimum Top-up Tax under OECD Pillar Two.

Q2. Do I have to register for UAE corporate tax if my profit is under AED 375,000?

Yes. All taxable persons must register with the Federal Tax Authority and file an annual return, even if their tax liability is zero. The penalty for late registration is AED 10,000.

Q3. When is my UAE corporate tax return due?

Within nine months of the end of your financial year. For a year ending 31 December 2025, the return and any tax payment are due by 30 September 2026.

Q4. Can free zone companies still pay 0% corporate tax?

Yes, if they qualify as a Qualifying Free Zone Person (QFZP) and earn qualifying income. Income that does not meet the QFZP criteria is taxed at the standard 9% rate.

Q5. What is Small Business Relief?

A transitional regime that treats resident businesses with revenue up to AED 3 million as having no taxable income, currently available for tax periods ending on or before 31 December 2026.

Q6. Are dividends and capital gains taxable?

Dividends and capital gains from qualifying shareholdings are generally exempt under the Participation Exemption rules, making the UAE highly attractive for holding structures.

Q7. How can OPAB help my business with UAE corporate tax?

OPAB provides end-to-end corporate tax services for UAE SMEs: FTA registration, bookkeeping, year-end tax provisioning, return filing, and CFO-level planning to optimise your effective tax rate. Book a free consultation to assess your position.

Need help with UAE corporate tax registration, filing, or planning? Book a free 30-minute consultation with OPAB and get a clear, written action plan for your 2026 tax position. Contact us now!