How to Get a Corporate Tax Registration Number in the UAE
- Published: 18 October 2026
- 14 min read
- Tax & VAT
Melody Huang
Author
Melody Huang is a content specialist at Osome, dedicated to helping UAE entrepreneurs navigate incorporation, accounting, and business success. With a talent for simplifying complex concepts, she transforms regulatory topics into clear, actionable guides. Melody’s content equips UAE business owners with the knowledge and confidence they need to start strong, make informed decisions, and grow their businesses sustainably in a dynamic market.
Shahla Mohammad
Reviewer
Shahla Mohammad is a Senior Accountant at Osome, bringing extensive experience in financial reporting, bookkeeping, and compliance. She supports UAE businesses with accurate financial management and clear guidance on regulatory requirements. With a detail-oriented and practical approach, Shahla helps entrepreneurs maintain strong financial foundations, ensure compliance, and make informed decisions to support sustainable growth.
A corporate tax registration number is the 15-digit identifier the Federal Tax Authority (FTA) issues after a business registers for corporate tax on EmaraTax. Founders often treat a VAT TRN as enough, then cannot file a corporate tax return or download the corporate tax certificate. This guide explains who must apply, which EmaraTax tax type to select, and what the number looks like once the FTA approves the application.
Key Takeaways
- A corporate tax registration number is a 15-digit Federal Tax Authority identifier, issued after a separate EmaraTax corporate tax application.
- Resident juridical persons register regardless of profit, including free zone entities; natural persons register above AED 1 million of business turnover.
- Late registration can attract AED 10,000, waivable if the first return is filed within seven months after the first year-end.
- The ordinary corporate tax return is due nine months after year-end. Waiting until that date misses the seven-month waiver.
What Is a Corporate Tax Registration Number?
A corporate tax registration number is the unique 15-digit identifier the Federal Tax Authority issues to a person registered for corporate tax. It is not a VAT TRN. A business can hold both numbers on the same EmaraTax login, and they remain different identifiers.
The number appears on the Corporate Tax Registration Certificate, on corporate tax returns, and in FTA correspondence for that tax type. People also call it a corporate tax number. It is not the trade licence number or the Emirates ID. A UAE tax registration number, or VAT registration certificate, is the tax identification number printed on tax invoices.
The FTA issues it only after a Corporate Tax registration application is approved. VAT Registration does not create this number. Without it, the taxable person cannot file a corporate tax return against the correct profile.
If the only 15-digit number on file is a VAT TRN, corporate tax filing still cannot start. Osome corporate tax filing maps the entity onto the EmaraTax corporate tax profile, so the application and the first return use the corporate tax registration number rather than the VAT identifier.
Is This the Same as a VAT TRN?
No. A VAT registration number in UAE is the tax registration number (TRN) issued for value added tax. A corporate tax registration number is issued for corporate tax. One EmaraTax account can store both in the UAE tax system, and the last digit is often different even when the first fourteen digits look similar.
The UAE introduced the VAT tax number in 2018. VAT registration follows the UAE VAT laws, with mandatory tax liability applying once annual taxable supplies reach AED 375,000, and voluntary registration for revenues over AED 187,500.
VAT registered businesses, including those using voluntary VAT registration, still need a separate corporate tax application, and it does not wait for the VAT registration threshold.
Item | VAT TRN | Corporate tax registration number |
|---|---|---|
| Tax type | Value added tax | Corporate tax |
| Who must obtain it | Persons who meet VAT registration rules, including the AED 375,000 mandatory supplies threshold | Resident juridical persons in scope of corporate tax; natural persons above AED 1 million of business turnover |
| EmaraTax tax type to select | Value Added Tax | Corporate Tax |
| Where the number is used | Tax payments, tax credit notes, and filing VAT returns | Corporate tax returns, the Corporate Tax Registration Certificate, and FTA corporate tax notices |
Submitting a VAT registration form does not complete corporate tax registration. The Federal Tax Authority treats the two as separate obligations. VAT tax obligations are a different tax type.
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Who Needs a Corporate Tax Registration Number?
Most resident juridical persons must obtain a Corporate TRN for tax compliance, including companies that expect to pay 0% or to elect Small Business Relief. Natural persons obtain one only when in-scope business turnover exceeds AED 1 million in a calendar year. Non-resident persons with a UAE permanent establishment or a nexus follow their own FTA timelines.
Juridical persons
A resident juridical person, mainland or free zone, must obtain the number. The 0% band, Qualifying Free Zone Person treatment, and Small Business Relief are claimed on the return after proper registration.
The following legal entities typically sit inside that rule:
- Mainland LLC: a limited liability company or other UAE-incorporated company.
- Free zone entities: a free zone juridical person, including one that expects 0% on qualifying income.
- Foreign branch: a UAE branch of a foreign company that is a taxable presence in its own right.
- Holding company: a holding or investment juridical person that is a taxable person under the Corporate Tax Law.
UAE branches of a domestic juridical person are an extension of the head office. They do not take a second corporate tax registration number.
Natural persons
A natural person registers when in-scope UAE business turnover exceeds AED 1 million in a calendar year. Salary, private investment income, and real estate investment income are excluded.
A freelance permit or sole establishment is still that person, not a separate company.
- One permit: one freelance permit or sole establishment still takes one number.
- Two permits: two freelance permits still take one number, with turnover added together.
- Separate LLC: an LLC owned by the same founder is a separate juridical person and needs its own number.
Non-resident persons
A non-resident juridical person may need a corporate tax registration number where it has a UAE permanent establishment or a nexus under Cabinet Decision No. 35 of 2025. That presence is a taxable person, not a visitor status that can wait until the first invoice.
A permanent establishment is a physical or people presence, such as a rented UAE office, or staff sent to perform a contract for a sustained period. A nexus can arise without that presence, typically where a foreign company holds UAE commercial real estate and derives rent or other income from it.
A UAE branch of a foreign business is typically its own taxable presence and still applies, unlike a UAE branch of a domestic company.
A free zone licence or a 0% tax band can seem unnecessary until the first corporate tax return is due. Even resident companies with no sales still need the number. Zero percent and Small Business Relief can be claimed on the return after registration. Do not wait until your first profitable year to apply.
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When Must a Business Apply?
A resident company formed on or after 1 March 2024 must apply within three months of incorporation, establishment, or recognition, not from the first business activity. A resident company formed before that date is already past every FTA licence-month deadline. Submit the application now. The FTA timestamps the submission, not the day the number appears on the certificate.
Person | Rule now | If already late |
|---|---|---|
| Resident company from 1 March 2024 | Within three months of incorporation, establishment, or recognition | Submit now; AED 10,000 may apply, subject to the late-registration waiver |
| Resident company formed before 1 March 2024 | All licence-month deadlines have passed | Overdue: submit now, then use the first-return waiver if still in time |
| Foreign-incorporated person managed and controlled in the UAE from 1 March 2024 | Within three months from the end of the financial year in which that test is met | Submit now; same penalty and waiver analysis |
| Resident natural person | By 31 March of the year after the calendar year in which AED 1 million business turnover is exceeded | Submit now |
| Non-resident with a PE from 1 March 2024 | Within six months of the PE existing for corporate tax purposes, unless an applicable international agreement allows longer | Submit now; if a nexus also exists, use the earlier of the two deadlines |
| Non-resident with a nexus from 1 March 2024 | Within three months of establishing the nexus | Submit now; same penalty and waiver analysis |
The ordinary return is due nine months after year-end. Public Clarification CTP006 waives AED 10,000 only if the first return, or the annual declaration for an exempt person, is filed seven months after that year-end. For a first period ending 31 December 2025, the waiver is 31 July 2026; the ordinary date is 30 September 2026.
The ordinary corporate tax return is due nine months after year-end. The AED 10,000 late-registration waiver needs the first return two months earlier. Waiting until the nine-month date keeps the penalty even where no tax is payable.
What Documents Does the FTA Require?
The FTA asks for identification of the taxable person, the licence, the constitutional form, owners above the stated holding, and the authorised signatory. Required documents are uploaded as PDF, with a maximum size of 15 MB per document.
Have the following ready before the Corporate Tax form is opened:
- Incorporation papers: certificate of incorporation, memorandum of association, or partnership agreement, where one exists.
- Commercial registration: a commercial registration certificate, or another official document issued by the licensing authority.
- Trade licence: a valid trade licence, including branch licences where the portal asks for them.
- Owner ID: Emirates ID and passport copies for any owner holding more than 25% and for authorised signatories.
- Authorisation: proof of authorisation for the person who will submit, such as a power of attorney or board resolution where an agent files.
- Special persons: additional instruments, such as a decree law for certain government entities or a Cabinet Decision for a Qualifying Public Benefit Entity.
Licence name, number, issuing authority, and activity wording must match the application. A power of attorney or memorandum that is not in Arabic may need an official translation.
How to Apply on EmaraTax?
The application is filed on EmaraTax under Corporate Tax, not VAT. Open EmaraTax with UAE PASS or existing credentials, then Register for corporate tax on the taxable person account. The FTA service card groups the path in this order:
- Account: Register and activate an EmaraTax account. UAE PASS is the usual authentication method. An existing VAT or excise login does not convert a VAT TRN into a corporate tax registration number.
- Profile: Open the dashboard and create a taxable person profile if one does not exist. The legal name must match the trade licence, including the English and Arabic forms where both are required.
- View: Open the taxable person account.
- Register: Use the Corporate Tax action menu and select Register. Opening a VAT registration application by habit produces a VAT TRN and leaves corporate tax unregistered. Free zone entities and mainland companies use the same tax type label.
- Submit: Complete the form, upload PDFs, review every field against the licence pack, and submit. Save the application reference. EmaraTax allows a draft to be saved; a session that times out without a draft wipes unsubmitted entries.
What Mistakes Delay or Reject an Application?
Most delays come from data that does not match the trade licence, from selecting VAT instead of Corporate Tax, or from a filer who is not authorised. The FTA is not the usual cause of a stalled file when the PDF pack is incomplete.
These errors show up repeatedly on rejected or queried applications:
- Licence match: legal name, licence number, or licensing authority that does not match the trade licence.
- Activity codes: business activity codes that are not the activities printed on the licence.
- Incorrect TRN: submitting documents with incorrect TRN can attract scrutiny from FTA.
- Business address: an accountant’s address or a virtual address that is not the business address.
- Authorisation: missing proof of authorisation for an agent or tax preparer.
- Owner passports: owner passports omitted where a holding is more than 25%.
- File format: files that are not PDF, or that exceed 15 MB.
- Domestic branch: a domestic UAE branch filed as if it were a separate juridical person.
A draft that is never submitted also misses the Decision No. 3 of 2024 clock. The penalty analysis follows the submission date, not the date someone intended to click Register.
What Happens after the Application Is Submitted?
The FTA reviews a complete Corporate Tax registration file and then approves it, asks for more documents, or rejects it with reasons. A corporate tax registration number is issued only on approval. Clarification requests pause progress until the extra PDFs match the licence.
FTA outcome | What it means | Typical next step |
|---|---|---|
| Approved | A corporate tax registration number is issued and the certificate is available in EmaraTax | Download the Corporate Tax Registration Certificate and store it with the permanent company file |
| Further documents requested | The file is incomplete or a field does not match a supporting PDF | Upload the requested file in the same application; do not start a VAT form instead |
| Rejected | The FTA has given reasons, often identity, licence, or authorisation errors | Correct the mismatch and submit a new complete application |
Document requests and rejections
A request for further documents is not a rejection. It usually means a contact detail, a financial statement, or a missing power of attorney. Reply inside the same application. Completing the VAT registration process does not answer the query.
A rejection states reasons. Re-entering the same mismatched licence data produces the same result.
The 20-business-day review
The FTA estimates 20 business days from the date a complete file is received. Incomplete uploads reset that wait. The 25-minute figure on the service card is time to submit, not time to receive the number.
The three-month and 31 March rules measure the application date. A file submitted on time can still be under review after that calendar window. The application reference is the handle for FTA follow-up until the 15-digit number exists.
Where Does the Number Appear after Approval?
After approval, the FTA places the 15-digit corporate tax registration number on the Corporate Tax Registration Certificate in EmaraTax. That certificate is the document to store and to send when a bank or counterparty asks for the corporate tax identification number.
The authorised signatory can retrieve it from these places:
- Certificate PDF: the Corporate Tax Registration Certificate PDF in the EmaraTax certificates area.
- Taxable person header: the taxable person header once Corporate Tax shows as registered.
- Corporate tax return: each corporate tax return generated for later periods.
- FTA notices: FTA email notices that refer to the corporate tax register.
TRN must be displayed on all tax invoices in the UAE. A valid TRN is required to issue invoices that meet VAT compliance, and issuing VAT invoices still uses that VAT identification number. TRN verification can be done online via the FTA portal or via the UAE Tax app. Neither check confirms a corporate tax registration number.
Corporate tax status should be confirmed in the EmaraTax corporate tax profile and on the Corporate Tax Registration Certificate, not inferred from a VAT invoice TRN.
How Osome Can Help
The usual failure is not a missing trade licence. It is a VAT TRN treated as the corporate tax registration number until the first return is due, by which time the three-month incorporation window has closed. UAE SMEs, free zone companies, and international founders then face an EmaraTax profile that cannot accept a corporate tax return.
Osome accounting services keep the ledgers and licences, bank account details, and business details that meet FTA requirements for the Corporate Tax form. The team prepares the application pack so first return tax compliance uses the corporate tax registration number, rather than a VAT number.
Summary
Before anyone uploads a PDF, open the Corporate Tax action menu and confirm that the registration form is not for VAT. The FTA stamps the application date, not the date someone later downloads a certificate. If the application is already late, still submit it. The ordinary first return is due nine months after year-end, but the AED 10,000 waiver needs that return two months earlier. For a first tax period that ended on 31 December 2025, the waiver date is 31 July 2026. Waiting until 30 September 2026 files on time for tax and misses the waiver.