Corporate Tax

How to Register for UAE Corporate Tax

2025-09-15 · 4 min read · By Aureus Worldwide

The UAE introduced federal corporate tax, and registration is now a core compliance step for almost every business. The good news is that the process runs through the FTA's EmaraTax portal and is straightforward when you have your documents in order. This guide walks through who must register, what you need, how the process works and the deadlines to watch, so you can complete registration cleanly and avoid penalties.

Who needs to register

Corporate tax applies broadly. In general, you must register if you are:

• A juridical person incorporated in the UAE, including mainland and free zone companies
• A free zone company, even if you expect to apply the 0% Qualifying Free Zone Person rate
• A natural person carrying on a business or business activity above the relevant threshold
• A non-resident with a taxable presence in the UAE

Registration is required regardless of whether you will actually pay tax. A company under the AED 375,000 threshold, or one applying Small Business Relief, still registers. Because edge cases exist, confirm your specific obligation with the FTA.

Understanding the rate before you register

Registration is administrative; the rate is separate. The headline structure is:

Eligible small businesses may also claim Small Business Relief where revenue is at or below the AED 3 million threshold, treating them as having no taxable income for the period. Confirm current thresholds and conditions with the FTA.

Documents you will need

Have these ready before you start in EmaraTax:

• Valid trade licence
• Emirates ID and passport copies of owners, partners or authorised signatories
• Memorandum of Association or equivalent constitutional documents
• Company contact details and registered address
• Authorised signatory proof, such as a power of attorney where relevant

Step-by-step registration

1. Create or log in to your EmaraTax account on the FTA portal.
2. Add a taxable person and select corporate tax registration.
3. Enter entity details, legal form, licence information and business activity.
4. Upload supporting documents listed above.
5. Provide authorised signatory information and contact details.
6. Review and submit the application.
7. Receive your Tax Registration Number (TRN) once approved.

Keep the TRN and confirmation safe, you will need them for filing your corporate tax return.

Deadlines and penalties

The FTA has set registration deadlines based on factors such as your licence issue date and entity type. Missing your deadline can trigger an administrative penalty, so do not leave it late. For the consequences of getting compliance wrong, see our guide on UAE corporate tax penalties. Always confirm the deadline that applies to you on the FTA portal.

After registration

Registering is only the first step. You will then need to:

• Maintain proper accounting records under acceptable standards
• Prepare an accurate tax computation each period
• File your return and pay any tax due by the deadline
• Consider whether Small Business Relief or the QFZP regime applies

If you operate in a free zone, read our dedicated guide to the free-zone QFZP 0% rate to understand the substance and qualifying-income conditions.

Common registration mistakes

Registration is straightforward, but a few errors recur and cause delays or penalties:

• Assuming you are exempt, even businesses expecting 0% generally must register
• Missing the deadline tied to your licence issue date
• Incomplete documents, which cause the FTA to request more information
• Wrong entity details, such as the legal form or activity
• Outdated contact information, so you miss FTA correspondence

Checking each of these before you submit saves a back-and-forth with the authority and keeps you off the penalty list.

Natural persons and corporate tax

It is not only companies that may need to register. A natural person, an individual, carrying on a business or business activity in the UAE can fall within corporate tax once their turnover from that activity exceeds the relevant threshold. Employment income, personal investment income and real estate investment income held in a personal capacity are generally outside the scope, but the boundaries can be nuanced. If you operate as a sole practitioner, freelancer or individual trader, confirm your position with the FTA rather than assuming you are exempt.

How registration fits the wider compliance picture

Corporate tax does not exist in isolation. Most UAE businesses also have to manage VAT, and many have ESR, UBO and AML obligations as well. The table below shows how registration sits within that picture:

Treating these as a connected programme, rather than separate last-minute tasks, is the most reliable way to stay compliant.

How Aureus Worldwide helps

Aureus Worldwide handles the whole corporate tax lifecycle: registration on EmaraTax, ongoing bookkeeping, accurate computations and timely corporate tax filing. Because we keep your books, your return is built on clean, consistent numbers. We are Dubai-based, responsive and transparent on fees, and we flag where you should confirm changeable specifics with the FTA. To register correctly and stay compliant, contact us.

Talk to our chartered accountants →