The 30 September 2026 filing deadline is closer than most finance teams want to admit. Companies with a December year end have nine months from the end of their financial year to file the return and pay any tax due. Miss the date, and the Federal Tax Authority starts the meter on a 14% per annum late payment charge that has no cap. Miss the registration deadline before you even get to filing, and you trigger a flat AED 10,000 administrative penalty.
This is the third year of UAE corporate tax. The honeymoon is over. The FTA has stopped sending reminders and started issuing notices. At IBISS & CO, we work with mainland operators, Free Zone licensees, and UK headquartered groups with UAE subsidiaries. The same questions come up every quarter, so we built this guide to answer them in one place.
Contact our UAE tax team
How UAE corporate tax works in 2026
UAE corporate tax is a federal tax on the net profit of businesses operating in the Emirates. The law came into effect for financial years starting on or after 1 June 2023 under Federal Decree-Law No. 47 of 2022. Three years in, the framework has settled, but the FTA continues to issue cabinet decisions, public clarifications, and amendments that change the operating reality for businesses every few months.
The 9% rate and the AED 375,000 threshold
The headline rate is 9% on taxable income above AED 375,000. Profit below that threshold is taxed at 0%. The threshold applies per Taxable Person, not per group, so structuring decisions matter.
A trading company in Dubai with AED 800,000 of taxable income pays 9% on AED 425,000, which works out to AED 38,250. The same business reorganised into two separate companies, each earning AED 400,000, does not benefit from doubling the threshold. The FTA can treat such arrangements as artificial under the General Anti-Abuse Rule.
Who counts as a Taxable Person
Three categories fall inside the net.
Resident juridical persons include UAE incorporated companies, LLCs, and other entities with a UAE trade licence. They pay tax on worldwide income. Non-resident juridical persons pay tax on UAE-sourced income and on profits attributable to a Permanent Establishment in the country. Natural persons (individuals) carrying on a licensed business with annual turnover above AED 1 million also fall inside the regime.
Government entities, qualifying public benefit organisations, qualifying investment funds, and businesses extracting natural resources are exempt, though most still need to register and notify the FTA of their status.
The legal framework
The primary law is Federal Decree-Law No. 47 of 2022. On top of it sit dozens of cabinet decisions and ministerial decisions that flesh out the detail. The ones our clients ask about most often are:
- Cabinet Decision No. 10 of 2024, which set the AED 10,000 late registration penalty
- Cabinet Decision No. 55 of 2023, which defined Qualifying Income for Free Zone persons
- Cabinet Decision No. 100 of 2023 on Pillar Two and the Domestic Minimum Top-Up Tax
- Cabinet Decision No. 129 of 2025, which revised the penalty regime from 14 April 2026
If you are reading older guidance written in 2024 or early 2025, assume it is partially out of date.
UAE corporate tax rates at a glance
The headline 9% number hides four distinct tax positions a business can find itself in. Use this table to identify yours before you read the rest of the guide.
| Business Profile | Effective Rate | Filing Required | Notes |
|---|---|---|---|
| Mainland SME, taxable income ≤ AED 375,000 | 0% | Yes | Filing is mandatory even at zero tax |
| Mainland company, taxable income > AED 375,000 | 9% on the excess | Yes | The standard regime |
| Qualifying Free Zone Person (qualifying income only) |
0% on qualifying income, 9% on non-qualifying income |
Yes | Must meet QFZP conditions every year |
| MNE group with global revenue > EUR 750 million | 9% with 15% DMTT top-up | Yes | Pillar Two interaction |
| Small Business Relief electors | 0% (no taxable income deemed) | Yes | Available until 31 December 2026 |
Registration deadlines and the AED 10,000 penalty
The single most common mistake we see is confusing the registration deadline with the filing deadline. They are two separate obligations with two separate penalty regimes.
Who must register
Every Taxable Person must register with the FTA on the EmaraTax portal and obtain a Tax Registration Number (TRN) before filing the first return. This applies whether or not any tax is payable. Free Zone companies operating at 0% on qualifying income must register. Loss-making companies must register. Dormant companies that still hold a live trade licence usually must register. Company Formation in the UAE
The Cabinet Decision No. 10 of 2024 penalty
Failure to register within the prescribed timeline triggers a fixed AED 10,000 administrative penalty. The figure is not negotiable. The FTA applies it through EmaraTax and the system blocks further tax transactions until the penalty is settled.
The prescribed registration timeline depends on entity type and trade licence issue date. Mainland resident juridical persons follow a schedule set by FTA Decision No. 3 of 2024, which keys off the month of original licence issuance. Entities incorporated after 1 March 2024 must register within three months of incorporation. Natural persons crossing the AED 1 million turnover threshold must register by 31 March of the following Gregorian year.
How the 7 month waiver works
The FTA introduced a one-time waiver for businesses that missed the registration deadline but file their first corporate tax return within seven months from the end of the first tax period. For a calendar year business with a 31 December 2025 first tax period, the waiver window closes on 31 July 2026.
Three scenarios under the waiver:
- Penalty not yet paid: file the first return within seven months and the penalty is cancelled
- Penalty already paid, return not yet filed: file within seven months and the amount is refunded to your tax account
- Penalty paid, registration still incomplete: complete registration and file within seven months, the penalty is waived
After 31 July 2026, calendar year businesses lose access to the waiver. The AED 10,000 stands.
How to register on EmaraTax
The registration flow takes around 30 minutes if you have the documents ready. The FTA usually issues the TRN within 20 business days, sometimes faster.
- Create or log into your EmaraTax account on emara tax portal
- Select the Corporate Tax tile and start a new registration
- Upload trade licence, Memorandum and Articles of Association, Emirates ID and passport copies for authorised signatories, and the establishment card if applicable
- Enter financial year start and end dates accurately, this fixes your filing deadline for every future year
- Confirm tax residency status and any Permanent Establishment details
- Submit and wait for the TRN to be issued
The slowest step is usually document preparation. We recommend assembling the file before logging in rather than discovering halfway through that the MAOA is not in PDF format.
Filing your corporate tax return
The 9 month rule
Every Taxable Person files a corporate tax return within nine months of the end of the financial year. The return and the payment of any tax due fall on the same date. There is no extension mechanism. The FTA treats the return and the payment as a single combined obligation, so filing on time but paying late still counts as non-compliance.
Deadlines for 2026 by financial year end
| Financial Year End | Filing and Payment Deadline |
|---|---|
| 31 March 2025 | 31 December 2025 (passed) |
| 30 June 2025 | 31 March 2026 |
| 30 September 2025 | 30 June 2026 |
| 31 December 2025 | 30 September 2026 |
| 31 March 2026 | 31 December 2026 |
| 30 June 2026 | 31 March 2027 |
The calendar year cohort (31 December year end) is by far the largest. If you are reading this in May 2026, that 30 September 2026 deadline is roughly four months away. Start now, not in August.
Documents you need before you log in to EmaraTax
The return itself takes around 45 minutes to complete if the underlying records are clean. The work that takes time is everything before the login.
- Audited or finalised financial statements for the tax period (income statement, balance sheet, cash flow)
- Trial balance reconciled to the financial statements
- Trade licence and TRN certificate
- Schedule of related party transactions with arm’s length pricing documentation if applicable
- Calculations of taxable income, including any non-deductible expenses and allowable deductions
- Transfer pricing disclosures (Local File and Master File where thresholds are met)
- Supporting documents for any exemptions or reliefs claimed
Free Zone companies need additional records to substantiate qualifying income and the de minimis test. We cover that in the QFZP section below.
Common filing mistakes that trigger FTA audits
Five mistakes account for the majority of compliance failures we see:
- Treating accounting profit as taxable income without making the required adjustments for non-deductible expenses, depreciation differences, and exempt income
- Misclassifying related party transactions or failing to document the arm’s length basis
- Free Zone companies reporting all income as qualifying without applying the de minimis test
- Claiming Small Business Relief without making the formal election on the return
- Filing the return but missing the payment on the same date
Each of these is recoverable through voluntary disclosure if caught early. Voluntary disclosure penalties under Cabinet Decision No. 129 of 2025 are now proportional and significantly cheaper than penalties triggered by an FTA audit notice.
Free Zone companies and Qualifying Free Zone Person (QFZP) status
The 0% rate for Free Zone companies is conditional, not automatic. Every Free Zone licensee that wants to keep the 0% rate must qualify as a Qualifying Free Zone Person every year, or pay 9% on all income.
Qualifying vs non-qualifying income
Qualifying income is income from transactions with other Free Zone persons (where the Free Zone person is the beneficial recipient) and income from a specific list of Qualifying Activities defined in Ministerial Decision No. 265 of 2023. The list includes manufacturing, processing, trading of qualifying commodities, holding of shares, ownership and management of ships, fund management for QIFs, treasury and financing services to related parties, and a few others.
Income from a UAE mainland customer is almost always non-qualifying. So is income from most service activities provided to non-Free Zone customers. A Free Zone trading company selling to a Dubai mainland buyer earns non-qualifying income on that sale, even if the goods physically pass through a Free Zone warehouse.
The de minimis threshold
A QFZP is allowed to earn some non-qualifying income without losing its 0% status. The de minimis threshold is the lower of:
- 5% of total revenue, or
- AED 5 million
Breach the threshold by even a small amount and the QFZP test fails for the entire year. The company is then taxed at 9% on all income, qualifying and non-qualifying alike.
Worked example. A Free Zone manufacturer earns AED 80 million of qualifying export income and AED 4.5 million from a UAE mainland service contract. Total revenue is AED 84.5 million. The non-qualifying revenue threshold is the lower of AED 4.225 million (5% of AED 84.5 million) and AED 5 million, so AED 4.225 million. The actual non-qualifying revenue (AED 4.5 million) exceeds the threshold. The company loses QFZP status for the year and pays 9% on the full AED 84.5 million.
Consequences of losing QFZP status
A breach is not just a one year problem. Loss of QFZP status applies to the current tax year and the next four tax years. Five years on the standard 9% rate before the entity can re-qualify.
This is the single most expensive mistake a Free Zone company can make. We have seen breaches caused by AED 100,000 of misclassified income trigger AED 7 million plus in additional tax across the five year window. Free Zone clients should review qualifying income classifications at least quarterly, not annually.
Small Business Relief: the AED 3 million election
Small Business Relief allows qualifying businesses to elect to be treated as having no taxable income for the period. The election is annual, made on the corporate tax return.
Who qualifies
Three conditions, all of which must be met:
- Revenue does not exceed AED 3 million in the current tax period
- Revenue did not exceed AED 3 million in any previous tax period (since CT came into effect)
- The business is not a Qualifying Free Zone Person and not part of a Multinational Enterprise group with consolidated revenue above EUR 750 million
The threshold is revenue, not profit. A business with AED 2.9 million of revenue and AED 1 million of profit qualifies. A business with AED 3.1 million of revenue and zero profit does not.
How to elect
The election is made on the corporate tax return itself, in the relevant section of the EmaraTax filing. There is no separate application. Miss the election on the return and Small Business Relief is lost for that year, no retrospective claims.
Tax losses and net interest expenditure that arise in periods where Small Business Relief is claimed cannot be carried forward.
The 31 December 2026 sunset
Small Business Relief is currently scheduled to end for tax periods after 31 December 2026. For calendar year businesses, the 2026 tax period is the last one where the election is available unless the Ministry of Finance extends the regime. Plan for the cliff.
The Domestic Minimum Top-Up Tax (DMTT) for multinationals
Most UAE businesses can ignore this section. If your group’s consolidated annual revenue is below EUR 750 million, the DMTT does not apply to you and you operate at the 9% headline rate.
The EUR 750 million threshold
DMTT applies to Multinational Enterprise groups with consolidated revenue of at least EUR 750 million in at least two of the four preceding financial years. The threshold mirrors the OECD Pillar Two rules. The UAE implemented DMTT for financial years starting on or after 1 January 2025.
How DMTT stacks with the 9% headline rate
DMTT is a top-up tax. It raises the effective tax rate on UAE operations of in-scope MNEs to a minimum of 15%. The mechanics work like this: the standard 9% UAE corporate tax is calculated and paid. If the effective tax rate on UAE GloBE income falls below 15%, a DMTT charge tops up the difference. For most in-scope groups, the effective additional tax is in the region of 6 percentage points.
The calculation is significantly more complex than the headline implies. Constituent entities, GloBE income adjustments, qualifying refundable tax credits, and the Substance-Based Income Exclusion all change the answer.
Pillar Two interaction
UAE DMTT is a Qualified Domestic Minimum Top-Up Tax under OECD Pillar Two rules. This means top-up tax on UAE income is collected by the UAE rather than ceded to other jurisdictions through the Income Inclusion Rule or the Undertaxed Profits Rule. For UK headquartered MNE groups with UAE subsidiaries, this matters: UAE DMTT reduces the UK Pillar Two charge that HMRC would otherwise collect on the same UAE profits.
If your group is in scope, the UK-UAE coordination work needs to happen at group level, not entity level.
Penalties under Cabinet Decision No. 129 of 2025
The revised penalty regime took effect on 14 April 2026. Some categories went down, some went up, and the voluntary disclosure mechanism was overhauled.
Late filing penalties
AED 500 per month for the first 12 months of late filing, rising to AED 1,000 per month thereafter. The clock starts the day after the deadline and runs until the return is filed.
Late payment interest
14% per annum on the unpaid tax, calculated daily from the day after the deadline. There is no cap. A company with AED 1 million of unpaid corporate tax that pays six months late accrues approximately AED 70,000 in interest, on top of whatever filing penalty applies.
Voluntary disclosure: the cost saving
The revised regime introduced proportional monthly charges for voluntary disclosures and made the timing of the disclosure central to the penalty calculation.
A voluntary disclosure filed before the FTA issues an audit notice attracts significantly lower penalties than the same disclosure filed after. The difference can run to tens of thousands of dirhams on a meaningful error. If you suspect an error in a filed return, the cost-rational move is almost always to disclose before the FTA finds it.
UK UAE cross border tax planning
Most generalist UAE tax guides stop at the FTA’s gate. For UK-UAE businesses, that gate is the start of the work, not the end.
The UK UAE Double Taxation Convention
The UK and the UAE signed a Double Taxation Convention in 2016, in force from 25 December 2016. It limits withholding taxes on dividends, interest, and royalties, allocates taxing rights on business profits and capital gains, and gives both jurisdictions a framework for resolving disputes through the Mutual Agreement Procedure.
A UAE resident company paying a dividend to its UK parent benefits from the treaty rate, but the parent still needs to consider UK tax position on the receipt, the exempt distribution rules, and the participation exemption tests.
Explore our: International Tax Advisory Services
UK CFC rules for British-owned UAE entities
A UAE subsidiary held by a UK parent is a Controlled Foreign Company under TIOPA 2010 Part 9A. The CFC rules can apportion UAE profits back to the UK parent and charge them to UK corporation tax (currently 25%), unless one of the exemptions or the chargeable profits gateways are navigated correctly.
The most common exits from a CFC charge for UAE subsidiaries are the Excluded Territories Exemption (UAE is not listed, so this is rarely available), the Low Profits Exemption, the Low Profit Margin Exemption, and careful application of the chapter 4 trading profits gateway. UAE corporate tax paid at 9% counts as “creditable tax” against any CFC charge that arises, which softens the impact significantly compared to a pre-2023 UAE subsidiary that paid no foreign tax.
If your UAE subsidiary holds passive assets (IP, receivables, investments), the chapter 5 non-trading finance profits gateway and chapter 6 trading finance profits gateway need close attention.
Where IBISS adds value as a dual jurisdiction firm
We work both sides of the relationship. UK tax advice for a UAE business that ignores HMRC’s view of the same transactions creates a planning failure that surfaces three years later in a discovery assessment. UAE tax advice for a UK group that ignores the FTA equally fails. Our London and Dubai teams structure the same client file together, which is the only way to avoid the planning gaps that pure-jurisdiction firms create.
A compliance checklist for the 2026 filing season
Twelve checks to run before filing. Tick each before logging in to EmaraTax.
- Registration confirmed and TRN issued
- Financial year end correctly recorded with the FTA
- Books of account closed and trial balance reconciled to the financial statements
- Audited financial statements signed off where required
- Related party transactions identified and documented at arm’s length
- Free Zone qualifying income tested against the de minimis threshold (if applicable)
- Small Business Relief eligibility checked (if revenue is below AED 3 million)
- Transfer pricing Local File prepared (if thresholds met)
- Carried forward tax losses calculated and supported
- Non-deductible expenses identified and added back
- Payment funds available in the bank account that holds the GIBAN reference
- EmaraTax login credentials tested and authorised signatory confirmed
Frequently asked questions
What is the corporate tax rate in the UAE?
The standard rate is 9% on taxable income above AED 375,000. Income up to AED 375,000 is taxed at 0%. A separate 15% effective rate applies to large multinationals under the Domestic Minimum Top-Up Tax.
When is the UAE corporate tax filing deadline?
Nine months after the end of the financial year. For calendar year companies (31 December year end), the filing and payment deadline for the 2025 tax period is 30 September 2026.
Do Free Zone companies pay corporate tax in the UAE?
Yes, Free Zone companies must register and file annually. They benefit from 0% on qualifying income only if they meet all QFZP conditions, including the de minimis threshold on non-qualifying revenue.
What happens if I miss the UAE corporate tax registration deadline?
A fixed AED 10,000 administrative penalty applies. The FTA offers a waiver if the first corporate tax return is filed within seven months of the end of the first tax period. After that window closes, the penalty stands.
How much is the late filing penalty for UAE corporate tax?
AED 500 per month for the first 12 months, rising to AED 1,000 per month thereafter. Late payment of tax due attracts a separate 14% per annum interest charge with no cap.
Can I claim Small Business Relief for UAE corporate tax?
Yes, if your business revenue is below AED 3 million and has been below that threshold in every prior tax period. You make the election on the corporate tax return. The relief is currently scheduled to end after 31 December 2026.
Does my dormant UAE company need to file a corporate tax return?
Generally yes. A dormant company that still holds a live trade licence is usually a Taxable Person and must register and file a nil return, unless it has formally deregistered with the FTA.
Where do I file my UAE corporate tax return?
Electronically through the FTA’s EmaraTax portal at emaratax.gov.ae. There is no paper option.
How is corporate tax different from VAT in the UAE?
VAT is a 5% transaction tax on the supply of goods and services, collected and remitted quarterly or monthly. Corporate tax is a 9% annual tax on net profit. The two run in parallel and both require separate registration. VAT services
What records do I need to keep for UAE corporate tax?
Books of account, financial statements, supporting invoices and receipts, transfer pricing documentation, and any working papers used in the tax calculation. The FTA requires records to be kept for seven years from the end of the tax period.
How IBISS & CO supports UAE corporate tax compliance
We handle UAE corporate tax for a portfolio that includes Free Zone licensees, mainland trading companies, professional services firms, family offices, and UK-headquartered groups with UAE subsidiaries. The work covers registration, transfer pricing files, the annual return, voluntary disclosures, FTA audits, and the planning conversations that happen before any of those become necessary.
If you have a 30 September 2026 deadline coming up and the file is not ready, that is normal at this point in the cycle and recoverable if we start in May rather than August. If you missed registration and the AED 10,000 penalty is sitting in your EmaraTax account, we can walk you through the waiver mechanics before 31 July 2026.
IBISS & CO Team
The UAE tax specialists at IBISS & CO provide expert guidance on Corporate Tax, VAT, international tax planning, and business compliance across Dubai and the UAE. Our team combines UK standard expertise with local UAE tax knowledge to deliver practical, business focused advice.
