Corporate Tax Registration Deadline UAE: Who Files When

The UAE corporate tax registration deadline is not one date. Under FTA Decision No. 3 of 2024, in force from 1 March 2024, a resident juridical person that already existed before that date registers by a deadline keyed to the month its trade licence was first issued, whatever the year. Free zone companies and businesses taxed at 0% are included.

The corporate tax registration deadline is the single most misunderstood date in the UAE’s new tax regime, and the misunderstanding almost always runs the same way. A business owner hears that corporate tax starts at 9% above AED 375,000, works out that their profit sits below that line, and quietly concludes the whole thing does not apply to them. Then a free zone company reads that its qualifying income is taxed at 0% and reaches the same comfortable conclusion. Both are wrong in the same expensive way.

Registration is not triggered by how much tax you will pay — it is triggered by being a taxable person at all, and the deadline to register is a staggered schedule the FTA set by the month your trade licence was first issued. This guide explains who has to register, how the deadline is calculated, how the EmaraTax process actually works, and why registering early is the cheapest decision you will make all year.

Registration is an obligation, not a tax bill

The foundational point, the one that everything else hangs off, is that corporate tax registration and corporate tax payment are two separate events. You can be obliged to register and end up paying nothing. You can be a dormant holding company, a small trader under the threshold, or a free zone entity on 0% qualifying income — and still be required to enrol with the FTA and hold a corporate tax registration number.

The UAE corporate tax framework, introduced under Federal Decree-Law No. 47 of 2022, applies to financial years beginning on or after 1 June 2023. It taxes taxable income above AED 375,000 at 9% and applies a 0% rate below that threshold. That 0% band is where the confusion breeds. A great many UAE SMEs sit comfortably under AED 375,000 and assume the regime passes them by. It does not. The threshold changes what you pay, not whether you register.

Every taxable person — and that phrase deliberately sweeps in mainland companies, free zone companies, and businesses expecting small business relief — must register with the FTA and obtain a CT registration number. Legal form makes no difference either. An LLC, a sole establishment, a branch and a free zone establishment are all inside the net if they carry on business, so a mainland LLC cannot treat corporate tax registration as something that applies only to larger structures.

The rate you land on is answered later, on your annual return. The registration is answered now, on a deadline keyed to your licence. Once you hold that number, the next date to plan for is the return itself — our guide to corporate tax filing in the UAE for 2026 covers the nine-month deadlines and when payment falls due.

How the staggered deadline actually works

There is no single national corporate tax registration deadline. Instead, the FTA published a staggered schedule that assigns each resident juridical person a final registration date based on the month its trade licence was originally issued — regardless of the year of issue. If you want the whole picture rather than the deadline alone, our main guide to corporate tax registration in the UAE sets out every category, the FTA’s document list and the penalty position in one place. A company whose licence was first issued in one month has a different deadline from one issued in another, and the schedule bands these months into a sequence of cut-off dates.

The instrument behind that schedule is FTA Decision No. 3 of 2024, issued 22 February 2024 and effective from 1 March 2024, on the timeline specified for registration of taxable persons for corporate tax. It applies to juridical persons that were resident and already incorporated, established or recognised before 1 March 2024, and it maps each licence-issue month to a final submission date irrespective of the year the licence was issued.

The FTA’s own published deadlines show how tight the bands were: licences issued in January or February had to register by 31 May 2024; licences issued in March or April by 30 June 2024; licences issued in June by 31 August 2024. A juridical person holding no licence as at 1 March 2024 had until 31 May 2024, and an expired licence still pointed back to the month of original issue.

Every one of those windows has now closed, which is why the practical question for most businesses reading this in 2026 is no longer “when is my deadline” but “am I registered, and if not, how quickly can I be”.

This design matters for two reasons. First, it means you cannot rely on a single date you heard in passing or read on a competitor’s blog — your deadline is personal to your licence. Second, it means the relevant fact is the month of first issue, not the current renewal date. Businesses that have renewed a licence several times sometimes reach for the latest renewal month and calculate against the wrong band entirely.

The practical method is simple and worth doing carefully:

1. Pull your original trade licence and find the month it was first issued, not the month of the most recent renewal.
2. Read that month against the FTA’s registration schedule in the relevant FTA Decision, which maps each licence-issue month to a specific final registration date.
3. If your entity was newly incorporated after the regime took effect, or is a natural person conducting business, check the separate timing rules that apply to those categories rather than assuming the juridical-person schedule covers you.
4. When anything is ambiguous — register early. There is no downside to being ahead of your window and a fixed penalty for being behind it.

For individuals the clock runs three months from the end of the calendar year in which turnover crossed AED 1 million, as set out in our guide to corporate tax for sole proprietors in the UAE.

The FTA Decision behind the schedule, in full

Because this page gets read by people trying to work out a date they may already have missed, it is worth setting out the whole of Federal Tax Authority Decision No. 3 of 2024 rather than the three bands most summaries quote. It was issued on 22 February 2024 and took effect on 1 March 2024, and Article 2 ties it back to Article 51(1) of Federal Decree-Law No. 47 of 2022.

Table 1 - Resident juridical persons that existed before 1 March 2024. Every row below was read from the English text of Federal Tax Authority Decision No. 3 of 2024, Article 3(1), on 4 August 2026. The month is the month of licence issuance, irrespective of the year of issuance.

Article 3(2) settles the multi-licence question in one line: where a juridical person has more than one licence, the licence with the earliest issuance date shall be used. That is worth reading twice, because the instinct to reach for the newest licence points a company at the wrong band.

Table 2 - Resident juridical persons created on or after 1 March 2024. Read from the English text of Federal Tax Authority Decision No. 3 of 2024, Article 3(3), on 4 August 2026.

Table 3 - Non-resident juridical persons. Read from the English text of Federal Tax Authority Decision No. 3 of 2024, Article 4, on 4 August 2026.

Table 4 - Natural persons. Read from the English text of Federal Tax Authority Decision No. 3 of 2024, Article 5, on 4 August 2026.

The threshold that Article 5 points at sits in Cabinet Decision No. 49 of 2023. Article 2(1) of that Decision says businesses or business activities conducted by a resident or non-resident natural person are subject to UAE corporate tax only where total turnover from them exceeds AED 1,000,000 within a Gregorian calendar year. Article 2(2) then excludes turnover from wage, personal investment income and real estate investment income, regardless of amount, and Article 2(3) confirms that a natural person not conducting a business subject to corporate tax is not required to register.

That last clause is the only genuine registration carve-out in this whole guide, and it is narrow. It applies to natural persons under the AED 1,000,000 turnover line, not to companies.

Free zone and 0% businesses are not exempt

The most damaging assumption in the whole regime is that free zone status or a sub-threshold profit removes the duty to register. It does not.

A free zone company that meets the conditions to be a Qualifying Free Zone Person can benefit from a 0% corporate tax rate on its qualifying income. That is a genuine and valuable relief. But it is a relief on the rate, applied to a taxable person who has already registered — not a carve-out from the registration system itself. Free zone persons are taxable persons under the law, and taxable persons register through EmaraTax and hold a CT registration number like everyone else.

The same logic governs small business relief and the 0% threshold band. A business electing small business relief is still a taxable person that must register; the relief affects how its income is treated, not whether it appears in the FTA’s system. Reading either of these reliefs as an exemption from registration is the single most common route to a late-registration penalty, precisely because the businesses that make this mistake are the ones convinced they have nothing to worry about.

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Free zone 0% and small business relief change what you pay, never whether you register. The businesses most confident that corporate tax does not apply to them are the ones the late-registration penalty catches most often.

Registering through EmaraTax, step by step

If you are wondering how to register for corporate tax in the UAE, the answer is that it happens entirely online through EmaraTax, the FTA’s digital tax platform. The process is not complicated, but it rewards having your documents assembled before you start rather than hunting for them mid-application.

1. Access EmaraTax. Go to the EmaraTax login page on the FTA website and sign in with your credentials, or create an account if you do not already have one from VAT or excise registration.

2. Select corporate tax registration. Choose corporate tax from the available registrations and open a new registration application for the relevant taxable person.

3. Complete the entity details. Enter your legal structure, trade licence information, business activities, and the details of the owners or partners as required by the form. Accuracy here matters — the entity details feed directly into your tax record.

4. Upload supporting documents. Provide the trade licence, the Emirates ID and passport copies of the authorised signatory, and any proof of authorisation the form requests.

5. Submit and receive your CT registration number. Once the FTA reviews and approves the application, you are issued a corporate tax registration number, and the confirmation sits in your EmaraTax account. That number is your proof of registration and the reference you use for all subsequent corporate tax dealings. It is a distinct number from the VAT TRN — holding one does not give you the other, and how to get a tax registration number in the UAE depends on which tax you are asking about.

A tidy set of underlying accounting and bookkeeping records makes this far smoother, because the entity and activity details you enter should reconcile to the way your business is actually structured and recorded. Where the books are messy, the registration form becomes an exercise in reconciling half-remembered facts under deadline pressure — which is exactly when errors creep in.

The penalty for late registration

The reason the deadline deserves genuine attention is the penalty attached to missing it. The FTA applies a fixed administrative penalty for failing to submit a corporate tax registration application within the required window, and the defining feature of this penalty is that it applies irrespective of your tax position.

This is the point that catches people. A business that will ultimately be taxed at 0% — a free zone company on qualifying income, a small trader under the threshold — can still incur the full late-registration penalty purely for registering after its deadline. The penalty is tied to the compliance failure, not to any unpaid tax, so the usual instinct to think “but I owe nothing” offers no protection at all. There is no tax bill to point at, and therefore nothing to argue down.

Set against a fixed penalty for lateness, the cost of registering early is nothing. You gain a CT registration number, you close off the risk, and you never have to reconstruct which band your licence month fell into after the fact. Early registration is not caution for its own sake — it is the cheapest available insurance against a penalty that is designed to be non-negotiable. If your window has already closed, our guide on late corporate tax registration in the UAE covers the penalty, the first-period waiver, and the fastest route back to compliance.

What the late-registration penalty actually is

Article 6 of Federal Tax Authority Decision No. 3 of 2024 says that where persons referred to in Articles 3, 4 and 5 fail to submit a tax registration application as per the timelines stated, administrative penalties shall be applied in accordance with Cabinet Decision No. 75 of 2023. That Decision is the corporate tax penalty schedule, issued 10 July 2023 and effective 1 August 2023, as amended by Cabinet Decision No. 10 of 2024, issued 22 February 2024 and effective 1 March 2024.

Table 5 - Corporate tax penalties most relevant to registration and the first return. Every row below was read from the English text of Cabinet Decision No. 75 of 2023 and its amendments, as published by the UAE Ministry of Finance, on 4 August 2026. Confirm current amounts with the FTA before relying on them.

Item 14 is the one this page is about, and its shape is the point. It is a single fixed amount, not a monthly accrual, and it is charged for the administrative failure rather than for any unpaid tax. A UAE business that would have paid nothing pays the same AED 10,000 as one that owed a large liability.

Do not confuse this schedule with Cabinet Decision No. 40 of 2017, which covers Tax Procedures, VAT and excise and was amended by Cabinet Decision No. 129 of 2025 with effect from 14 April 2026. The two schedules look similar, and the corporate tax one is the one that governs a late CT registration.

The rates and clocks that follow registration

Registration is the gateway. What sits behind it is a rate table and two deadlines, and knowing them makes the registration date easier to take seriously.

Table 6 - UAE corporate tax rates. Read from the English texts of Federal Decree-Law No. 47 of 2022, Article 3, and Cabinet Decision No. 116 of 2022, Articles 2 and 3, on 4 August 2026.

Article 2(2) of Cabinet Decision No. 116 of 2022 adds that where the FTA establishes that persons artificially separated a business so that more than AED 375,000 across the whole operation was taxed at 0%, that is treated as an arrangement caught by the general anti-abuse rule in Article 50 of the Corporate Tax Law.

Table 7 - The obligations that follow a CT registration number. Read from the English text of Federal Decree-Law No. 47 of 2022 on 4 August 2026.

Article 52(2) is worth flagging for anyone hoping to exit quietly: a taxable person shall not be deregistered unless it has paid all corporate tax and administrative penalties due and filed all tax returns due, including the return for the tax period up to and including the date of cessation. A missed registration therefore follows a UAE company all the way to its own closure.

Registration versus filing — keep them separate

One last distinction closes the loop, because two different deadlines live inside the corporate tax regime and mixing them up causes real trouble.

Registration is the one-time enrolment described throughout this guide. It establishes you as a taxable person, issues your CT registration number, and follows the staggered schedule keyed to your trade-licence-issue month.

Filing is the recurring obligation to submit a corporate tax return for each tax period. Under the UAE rules, the return is due within nine months of the end of your relevant financial year. This deadline is keyed to your financial year-end, not your licence month, and it repeats every year.

You register once and you file annually. Registering on time does not discharge your filing duty, and filing a return does not retroactively cure a missed registration. Treating them as one event — or assuming that being late on one is fixed by being on time with the other — is a misunderstanding the penalty structure does not forgive. Keep the two deadlines on separate lines in your compliance calendar, because the FTA treats them as separate obligations.

Where this leaves your business

The corporate tax registration deadline rewards a simple, unglamorous discipline: find your original licence-issue month, check it against the FTA’s staggered schedule, and register through EmaraTax well before your window closes. The businesses that struggle are not the ones with complicated tax positions — they are the ones who assumed a 0% outcome meant no obligation, and who discovered too late that registration and payment are entirely separate events. If you take one thing from this guide, take this: register early. A CT registration number in your file costs nothing, and a missed deadline costs a fixed penalty you cannot argue away.

Pair a clean registration with proper corporate tax services so your first return is computed correctly against your registered structure, and with reliable accounting and bookkeeping so the entity, activity and financial details you register with actually match the records behind them. Getting registered is the start of the corporate tax relationship, not the end of it.

Velmont Crest is a DED-licensed UAE accounting firm providing advisory, preparation and compliance support across corporate tax registration, return preparation and the wider UAE compliance calendar for mainland and free zone SMEs. Read more on our insights hub or get in touch via our contact page.

Disclaimer: Velmont Crest is a DED-licensed accounting firm providing advisory, preparation and compliance support services. We are not a law firm, the FTA, or an FTA-registered tax agent representing clients before the authority. UAE corporate tax rules, registration deadlines and penalties are set by the FTA and change over time — verify your specific registration deadline against the current FTA Decisions and EmaraTax guidance, and consult a licensed professional for advice specific to your circumstances.

References

• UAE Federal Tax Authority (FTA) — Corporate Tax
• Federal Decree-Law No. 47 of 2022 on the Taxation of Corporations and Businesses
• UAE Ministry of Finance — Corporate Tax in the UAE
• UAE Government portal — Corporate Tax
• Federal Tax Authority Decision No. 3 of 2024 on the registration timeline for corporate tax
• Cabinet Decision No. 49 of 2023 on categories of business conducted by a natural person — UAE Ministry of Finance
• Federal Decree-Law No. 47 of 2022 on the Taxation of Corporations and Businesses and its amendments — Federal Tax Authority