The corporate tax filing deadline in the UAE is set at nine months after the end of a company’s financial year, as required by the Federal Tax Authority (FTA). This means businesses must submit their corporate tax return and pay any tax due by that date. For companies following the calendar year, the corporate tax return for the year ending December 31, 2025 must be filed by September 30, 2026. Other financial year-ends have different deadlines, which we outline in detail below.
Corporate tax filing in the UAE is the annual process of reporting a business’s financial results and taxable income to the FTA, ensuring transparency and compliance with federal law.
Why Corporate Tax Filing Deadlines Are Important
Once a business has registered for UAE corporate tax, the next step is to file returns on time. Filing is not optional: the law requires every taxable person to submit a return, even if no tax is due. Missing the filing deadline can trigger late filing or late payment penalties, so understanding your exact due date is critical.
For many companies, 2025 was the first year they were required to file a corporate tax return (and potentially pay tax) under the UAE corporate tax regime, while others will file their first return in 2026 depending on their tax period and incorporation date.
Need help preparing for your first return? TaxReady’s corporate tax filing services ensure your business meets every requirement.
The Nine-Month Filing Rule Explained
The UAE Corporate Tax Law (Federal Decree-Law No. 47 of 2022, Article 53) sets out a straightforward rule:
- Corporate tax returns and payments are due within nine months after the end of the financial year.
- This applies to resident companies, free zone entities, and non-residents with a permanent establishment or nexus in the UAE.
For example:
- A company with year-end December 31, 2025 must file by September 30, 2026.
- A company with year-end June 30, 2025 must file by March 31, 2026.
The FTA emphasizes that filing the return and paying tax are treated as a single obligation. Submitting one without the other is still considered non-compliance.
First Tax Periods: How to Determine Yours
UAE corporate tax applies to financial periods starting on or after 1 June 2023. As a result, the first taxable period and first filing deadline depended on a business’s financial year end and incorporation date. For most established businesses, these initial filing deadlines have now passed. However, the rules remain relevant for understanding historic filings and for businesses that were incorporated later or adopted non standard first tax periods.
Calendar year businesses (January to December)
The first taxable period ran from 1 January 2024 to 31 December 2024. The filing and payment deadline for this first return was 30 September 2025, which has now passed.July to June year end businesses
The first taxable period ran from 1 July 2023 to 30 June 2024. The filing and payment deadline for this first return was 31 March 2025, which has now passed.Newly incorporated businesses (from June 2023 onwards)
The first tax period begins on the date of incorporation. Businesses were permitted to choose a first tax period of up to 18 months in order to align with a preferred financial year end. The filing and payment deadline is nine months from the end of the chosen tax period. This rule continues to apply in 2026 for newly incorporated entities and businesses with extended first tax periods.
Corporate Tax Filing Deadlines in 2026
The table below sets out the key corporate tax filing and payment deadlines that fall in 2026, based on common financial year ends. These deadlines follow the standard rule that corporate tax returns and any payable tax must be filed and settled within nine months from the end of the relevant tax period.
| Financial Year End | Tax Period Covered | Filing and Payment Deadline |
|---|---|---|
| 30 June 2025 | 1 July 2024 to 30 June 2025 | 31 March 2026 |
| 30 September 2025 | 1 October 2024 to 30 September 2025 | 30 June 2026 |
| 31 December 2025 | 1 January 2025 to 31 December 2025 | 30 September 2026 |
| 31 March 2026 | 1 April 2025 to 31 March 2026 | 31 December 2026 |
Note: The Federal Tax Authority previously granted an exceptional filing extension for certain short first tax periods ending on or before 29 February 2024 under Decision No. 7 of 2024. That relief has expired and all affected deadlines have passed. In 2026, the standard nine month filing and payment rule applies.
Filing Requirements for Resident and Free Zone Companies
Resident Companies
All mainland UAE companies must file a return regardless of size or profit level. Even if taxable profits are below AED 375,000 (where the tax rate is 0%), the return still needs to be filed by the deadline.
Free Zone Companies
Free zone companies are also required to file, whether or not they qualify for the 0% rate on qualifying income. Filing demonstrates compliance and allows the FTA to confirm eligibility for free zone incentives. A free zone company that misses its filing deadline risks losing preferential tax treatment.
For details on thresholds, exemptions, and who is considered a taxable person (including free zone entities), see our guide on who must register for UAE corporate tax.
The Filing and Payment Process
Corporate tax returns are filed electronically via the FTA’s EmaraTax portal. Businesses can log in with their Tax Registration Number (TRN) and submit the return online.
Steps include:
1. Prepare financial statements after year-end.
2. Log in to EmaraTax with your TRN.
3. Complete the corporate tax return form, including income, exemptions, and adjustments.
4. Submit the return and pay tax due together by the same deadline.
Both filing and payment must be completed by the nine-month due date.
Preparing for Your First Corporate Tax Filing
Now is the time to ensure you are fully prepared. 2026 is a key filing year and for some businesses it will still be their first corporate tax return depending on their tax period and incorporation date. To be ready:
- Close accounts early and finalize financial statements promptly after year-end.
- Organize supporting documents such as trade licenses, trial balances, and audit reports.
- Check deadlines and mark them on your compliance calendar.
- Consider professional assistance to avoid errors in your first filing.
Compliance Checklist
▢ Register for corporate tax with the FTA. If you are unsure about your deadline, see our blog: Corporate Tax Registration Deadline in the UAE.
▢ Maintain proper financial records.
▢ Prepare your corporate tax return accurately.
▢ File via EmaraTax before the deadline.
▢ Pay tax due at the same time as filing.
Key Documents to Prepare
- Audited or finalized financial statements (income statement, balance sheet, cash flow).
- Corporate Tax Registration Certificate (TRN).
- Supporting documents for deductions and exemptions (receipts, invoices, depreciation schedules).
- Payment details (bank information for settlement).
TaxReady’s team of FTA-certified advisors can manage the entire corporate tax filing process for you, from preparing financials to submitting returns on time.
Corporate Tax Payment Penalties
If a company fails to file its corporate tax return or settle any payable corporate tax by the applicable deadline, administrative penalties may apply. The penalty structure is set out below.
| Type of Penalty | Details |
|---|---|
| Late corporate tax registration | AED 10,000 for failure to submit the corporate tax registration application within the timeframe specified by the Federal Tax Authority |
| Late filing (first 12 months) | AED 500 per month for each of the first 12 months following the filing deadline |
| Late filing (after 12 months) | AED 1,000 per month from the thirteenth month onward until the return is submitted |
| Late payment | A monthly penalty calculated at 14 percent per annum applies for each month or part of a month that payable corporate tax remains unpaid after the payment due date, increasing the total amount owed |
| Errors after submission | Where a voluntary disclosure is required, it must generally be submitted within 20 business days from the date the taxpayer becomes aware of the error or omission, subject to the Tax Procedures rules |
Voluntary Disclosure
Where a taxpayer discovers an error or omission in a submitted corporate tax return, a voluntary disclosure may be required. In such cases, the voluntary disclosure must generally be submitted within 20 business days from the date the taxpayer becomes aware of the error or omission, subject to the Tax Procedures rules.
Repeated non-compliance or consistent delays may also increase the likelihood of Federal Tax Authority audits and heightened compliance scrutiny, which can further disrupt business operations.
Can Filing Deadlines Be Extended?
Corporate tax filing and payment deadlines in the UAE are generally fixed and must be met within nine months from the end of the relevant tax period. Extensions are exceptional and are only available where an official Federal Tax Authority decision applies or where specific conditions in the rules are satisfied.
Where an extension request is allowed, businesses must submit it through the EmaraTax portal before the original deadline and provide clear justification with supporting evidence. Any request is subject to Federal Tax Authority review and approval is not guaranteed.
Routine operational issues, such as staffing shortages or bookkeeping delays, are not valid grounds for extending corporate tax filing or payment deadlines.
Record-Keeping Requirements
The FTA requires businesses to maintain proper records of their tax returns and supporting documents for at least seven years from the end of the relevant tax period. This includes financial statements, receipts, invoices, and payment confirmations. Good record-keeping ensures you can respond quickly to any future queries or audits.
Filing on Time with Confidence
The corporate tax filing deadlines in the UAE are straightforward: every company must file and pay within nine months of its financial year-end.
By preparing early, finalizing accounts promptly, and working with expert advisors, businesses can meet these obligations confidently. Missing the deadline risks fines and compliance issues, but with proper planning your company can stay ahead of schedule.
TaxReady.ae works with UAE companies to manage corporate tax registration and corporate tax filing, ensuring compliance is handled accurately and on time.
Contact us for a free consultation.
Frequently Asked Questions
Do I still need to file a corporate tax return if no tax is due?
Yes. All taxable persons must file a corporate tax return by the deadline, even if no corporate tax is payable. This includes businesses below the AED 375,000 threshold and businesses reporting a loss.
Are the corporate tax filing and payment deadlines the same?
Yes. In the UAE, the corporate tax return must be filed and any payable tax settled by the same deadline, which is nine months from the end of the relevant financial year.
Do free zone companies have different corporate tax filing deadlines?
No. Free zone companies follow the same corporate tax filing deadlines as mainland companies. Returns must be filed within nine months of the financial year end, regardless of whether the 0 percent tax rate applies.
What happens if I miss the corporate tax filing deadline?
Missing the filing deadline may result in administrative penalties. If corporate tax is payable, late payment penalties may also apply, and repeated non-compliance can increase the likelihood of Federal Tax Authority audits.
What if my financial year does not end on 31 December?
The same nine-month rule applies. A company must file its corporate tax return and pay any tax due within nine months from the end of its financial year, regardless of the year-end date.
Can subsidiaries within a group have different filing deadlines?
Yes. Filing deadlines are set by each entity’s financial year end. Subsidiaries may have different deadlines unless they form a tax group with an approved unified year end.
Can newly incorporated companies delay their first corporate tax filing?
Yes. Newly incorporated companies may choose a first tax period of up to 18 months to align with a financial year end. The filing and payment deadline is nine months after that first tax period ends.
