Corporate Tax Filing in the UAE

Corporate tax filing in the UAE is the annual process of declaring your business income to the Federal Tax Authority (FTA) and paying any tax due through the EmaraTax portal. Every taxable person registered for corporate tax must file a return within 9 months of the end of their financial year, even when no tax is payable. For companies with a financial year ending 31 December 2025, the deadline is 30 September 2026. ADS Auditors helps businesses across the UAE prepare accurate, on-time returns and avoid costly penalties.

What Is Corporate Tax Filing in the UAE?

Corporate tax was introduced under Federal Decree-Law No. 47 of 2022 and applies to financial years starting on or after 1 June 2023. Filing means reporting your taxable income, applying any reliefs or exemptions, and submitting the return to the FTA for a defined tax period. The 2026 cycle is the second full filing window, and it carries stricter enforcement, updated penalties, and new rules for large groups. Filing is mandatory for every registered business, whether you owe tax or qualify for a 0% rate.

Who Must File Corporate Tax in the UAE?

Filing applies to a wide range of taxable persons, including mainland companies and LLCs, free zone entities (including Qualifying Free Zone Persons taxed at 0%), branches of foreign companies with a permanent establishment in the UAE, and individuals running a business with turnover above AED 1 million a year. Holding companies, partnerships, and dormant but registered entities must also file. If you have completed your corporate tax registration in the UAE, a return is expected for every tax period that follows.

Your deadline is always 9 months after your financial year ends. Common examples:

The same date applies to both filing the return and paying the tax. Missing it triggers automatic penalties, so many businesses start preparing months ahead with help from a corporate tax consultant.

Small Business Relief lets resident businesses with revenue up to AED 3 million elect to be treated as having no taxable income. This relief is available only for tax periods ending on or before 31 December 2026, so the 2026 return is the last chance for most calendar-year companies to use it.

ADS Auditors follows a clear, audit-ready process:

1. Confirm registration: Make sure your business holds a valid Tax Registration Number before filing.
2. Prepare financial statements: Organise records under IFRS or the applicable UAE accounting standard.
3. Calculate taxable income: Adjust accounting profit for exempt income, disallowed costs, and reliefs.
4. Complete the return: Enter figures on EmaraTax and select any election, such as Small Business Relief.
5. Submit and pay: File the return and settle the tax before your deadline.
6. Retain records: Keep all supporting documents for at least 7 years.

Accurate bookkeeping makes this far smoother, which is why many clients pair filing with professional tax accounting services.

You will typically need your trade licence, Tax Registration Number, audited or management financial statements, a trial balance, details of related-party transactions, and records of any reliefs claimed. Free zone companies should also keep evidence supporting their qualifying income. Clean documentation reduces FTA queries and supports a smooth annual financial audit.

The penalty framework was updated under Cabinet Decision No. 129 of 2025, effective 14 April 2026.

Penalties apply even when no tax is due. If you spot an error in a past return, a timely voluntary disclosure usually carries a lower penalty than waiting for an FTA audit. Figures reflect 2026 rules and should be confirmed with the FTA or your advisor.

ADS Auditors is an award-winning tax consultancy serving businesses across Dubai, Abu Dhabi, Sharjah, Ras Al Khaimah, Ajman, and the wider UAE. Our team manages the full process, from reviewing your books to submitting an accurate return on EmaraTax, so you stay compliant without the stress. We work with mainland, free zone, and multinational clients, and we tailor every filing to your structure. Explore our complete corporate tax services in the UAE or talk to us before your deadline.