What Is a UAE Company Registration Number and Where to Find It?
A UAE company registration number is the unique numeric or alphanumeric identifier assigned to every legally registered business entity in the United Arab Emirates. It is the official reference code that appears on your Commercial Registration (CR) certificate, trade license, and all formal government correspondence with your company. Every licensed business in the UAE has one, and no two companies in the same licensing jurisdiction share the same registration number.
There are three practical reasons people search for UAE company registration numbers: they want to understand what their own number is and where to find it; they want to verify that a company they are dealing with is legitimately registered; or they need the number to complete a government form, bank application, or procurement document. All three situations are covered in this guide.
The registration number is printed on your trade license certificate, the physical or digital document issued by the licensing authority. For Dubai mainland companies licensed by the DET (Department of Economy and Tourism), it appears prominently at the top of the license. For free zone companies, it appears on the free zone authority’s company registration certificate. The number does not change year to year when you renew your license, it is a permanent identifier for the life of your company in that jurisdiction.
UAE Company Registration Number vs Trade License Number vs TRN: Three Different Numbers
This is the most common point of confusion for UAE business owners and their suppliers or banking contacts. In the UAE, three different reference numbers are regularly requested on government forms, bank applications, and procurement documents, and they are not the same number:
| Number Type | What It Is and When You Use It |
| Company Registration Number (CR Number) | The unique identifier assigned to your legal entity by the licensing authority (DET, ADCD, free zone). Permanent for the life of the company. Appears on the Commercial Registration certificate. Used for: company identification, regulatory correspondence, Ministry of Economy submissions |
| Trade License Number | The number printed on your trade license certificate. May be the same as or closely derived from your CR number, but in some free zones they are different reference codes. The trade license is an annual document that expires and is renewed; the license number remains the same across renewals |
| TRN (Tax Registration Number) | A 15-digit number issued by the Federal Tax Authority (FTA) when you register for VAT. Completely separate from your CR number and trade license number. Only companies registered for UAE VAT have a TRN. The TRN appears on VAT invoices and is used for all ZATCA/FTA tax filings and communications. A company can have a CR number without a TRN (if below the VAT registration threshold) |
The confusion arises because banks, government portals, and procurement forms all request ‘company registration number’ or ‘license number’ interchangeably, when they may mean different things. When a UAE bank asks for your ‘company registration number’ in their account opening form, they typically mean your CR number or trade license number. When a supplier asks for your ‘tax number’, they mean your TRN. When a Ministry portal asks for your ‘commercial registration’, they mean your CR number. Read the form carefully and provide the number from the correct document.
UAE Company Registration Number Formats: Mainland, Free Zone and Federal
The format of a UAE company registration number varies depending on which authority issued it. Understanding the format helps you identify which authority licensed the company — useful for due diligence and for directing verification inquiries to the correct portal.
Mainland and Emirate Registration Number Formats
Mainland companies licensed by emirate economic departments use numeric sequences assigned by each emirate’s authority:
- Dubai (DET): Typically a 6 to 9-digit numeric code, often prefixed with the license category code. Example format: CN-xxxxxxx (Commercial) or PN-xxxxxxx (Professional)
- Abu Dhabi (ADCD): Numeric registration number assigned sequentially by ADCD. Format differs from Dubai’s DET coding system
- Sharjah (SEDD): Sharjah economic development department uses its own sequential numeric format
- Ministry of Economy (federal): Companies registered with the federal Ministry of Economy (typically holding companies or entities operating across emirates) receive a federal commercial registration number in addition to the emirate-level registration number
For mainland companies, the number on the DET trade license or the ADCD commercial registration certificate is your primary CR number for all practical purposes.
Free Zone Registration Number Formats
Free zone companies use registration numbers assigned by their specific free zone authority. These often include a zone-specific prefix or code:
- DMCC: DMCC company numbers include a ‘DMCC’ prefix followed by a numeric code. The DMCC membership number and company number are printed on the DMCC company certificate
- DIFC: DIFC entity numbers follow a sequential format assigned by the DIFC Registrar of Companies. Format: 0xxx (for early-registered entities) or sequential higher numbers for newer companies
- IFZA: IFZA assigns company registration numbers in a sequential numeric format with an IFZA identifier
- JAFZA and Dubai South: Dubai Economic Zone entities receive registration numbers through the DEZ authority system, with zone-specific identifiers
- ADGM: Abu Dhabi Global Market companies receive registration numbers from the ADGM Companies Registrar, publicly searchable through the ADGM register
For all free zone companies: your registration number is on the authority’s company registration certificate (sometimes called the establishment certificate or company certificate), which is distinct from the trade license. Verify which document your bank or counterparty is asking for, as both carry reference numbers.
Where to Find Your UAE Company Registration Number
The registration number appears on different documents depending on your company type and licensing authority. Here is where to look:
- Dubai mainland (DET): The trade license certificate. Look at the top section — the license number and the commercial registration number are both printed there. The DET Dubai REST app also shows your company’s registration details when you search by trade name
- Abu Dhabi mainland (ADCD): The ADCD commercial registration certificate issued at company formation. Also visible through the ADCD portal when searching your company
- DMCC: The DMCC company certificate (not the trade license, the company registration certificate issued by DMCC Authority). Also visible in your DMCC member portal account
- DIFC: The DIFC entity registration certificate from the DIFC Registrar. Also searchable in the public DIFC company register at difc.ae
- IFZA: The IFZA company establishment certificate issued at registration
- All free zones: If you cannot locate your physical certificate, contact your free zone authority’s client services team with your company name and trade name — they can retrieve your registration number and reissue the certificate
For a TRN (Tax Registration Number): this is found on your FTA VAT registration confirmation email and on your FTA (Federal Tax Authority) portal account under your company profile. It is not on your trade license or company registration certificate — it is a separate FTA-issued document.
How to Find or Verify a UAE Company Registration Number Online 2026
If you are trying to verify another company’s registration number, or confirm that a number you have been given is valid and active, the correct portal depends on where the company is registered. The process in 2026 is fully digital for most UAE licensing authorities.
- Identify whether the company is mainland or free zone. The trade license or company certificate will carry a licensing authority name at the top. If you only have the company name, start with the Ministry of Economy federal search for a general UAE business register search
- For Dubai mainland companies: visit the DET e-services portal or the Dubai REST app. Select ‘Trade License Verification’ and search by company name or license number. The result confirms active status and shows the registered CR number
- For Abu Dhabi mainland: visit the ADCD portal and use the commercial register verification service. Enter the company name or registration number
- For DMCC: use the DMCC member search at dmcc.ae to confirm registration status and company registration number
- For DIFC: use the DIFC company register at difc.ae/business/company-search
- For other free zones: go directly to that zone’s official portal and use their member or company search function. Most UAE free zones have public company directories on their websites
- To verify a TRN: the Federal Tax Authority portal at tax.gov.ae has a TRN verification tool. Enter the TRN to confirm whether it is valid and associated with a registered UAE VAT entity
When and Where You Will Need Your UAE Company Registration Number
Your UAE company registration number is a mandatory reference in the following common business situations. Knowing which number each document requires saves time on every form you complete:
- Bank account opening: UAE banks require your CR number on their corporate account application forms. They will also request a copy of your trade license and company registration certificate for verification
- UAE VAT registration: The FTA requires your CR number to begin a VAT registration application for your company on the EmaraTax portal
- Ministry of Labour / MOHRE applications: MOHRE online portal submissions for work permit applications, labour card registrations, and Saudization compliance require your company’s CR number
- Government procurement (Etimad, government tender portals): Supplier registration on UAE government procurement portals requires your CR number for vendor onboarding
- Municipality and authority permits: Applications for Ejari registration, Dubai Municipality building permits, Abu Dhabi Municipality permits, and similar government authority applications all require the CR number
- Commercial contracts: Well-drafted UAE commercial contracts include each party’s CR number and trade license number as identifying information. This allows either party to verify the counterparty’s legal registration status
- Corporate tax registration (FTA): The Ministry of Finance / FTA requires your CR number to complete UAE corporate tax registration through the EmaraTax platform
Conclusion
A UAE company registration number is the permanent identifier for your business entity assigned by your licensing authority — distinct from your trade license number (an annual document) and entirely separate from your TRN (a tax-specific number issued by the FTA only to VAT-registered entities). It is printed on your company registration certificate, visible in your licensing authority’s online portal, and required on virtually every government form, bank application, and commercial contract your business will ever sign.
If you are in the process of registering a new company in the UAE and need guidance on the setup process from entity selection to trade license issuance, Gulf Corporate Services supports the complete process including mainland company formation, free zone company setup, trade license registration, company registration in Dubai, and accounting and VAT registration services. Contact us for a free consultation.
FAQs: UAE Company Registration Number 2026
What is a UAE company registration number?
A UAE company registration number is the unique identifier assigned to every legally registered business in the UAE by its licensing authority (DET for Dubai mainland, ADCD for Abu Dhabi mainland, or the relevant free zone authority). It is a permanent number that identifies your company in all government records and regulatory databases. It appears on your trade license and company registration certificate and is required for bank account opening, VAT registration, government procurement, and most official business transactions.
Is the company registration number the same as the trade license number?
They are related but can differ. For Dubai DET mainland companies, the trade license number and the commercial registration number are closely linked identifiers issued by the same authority. For many free zone companies, the company registration number (on the company establishment certificate) and the trade license number (on the annual license document) are different reference codes from the same authority. Check both documents — the one requested depends on the context.
What is the difference between a UAE company registration number and a TRN?
A company registration number is issued by your licensing authority (DET, ADCD, free zone) and identifies your company as a legal entity. A TRN (Tax Registration Number) is a 15-digit number issued separately by the Federal Tax Authority (FTA) only to companies registered for UAE VAT. A company can have a CR number without a TRN (if it is not VAT-registered). The TRN appears on VAT invoices and FTA filings; the CR number appears on company documents, bank forms, and government applications.
How do I find my UAE company registration number?
Your registration number is printed on your trade license certificate (for mainland companies) or your company establishment certificate (for free zone companies). For Dubai mainland companies, you can also retrieve it through the DET e-services portal at dubaidet.gov.ae by searching your company name. For free zone companies, log into your free zone member portal or contact the free zone authority’s client services team with your company name.
Can I verify another company’s UAE registration number?
Yes. Each UAE licensing authority provides an online verification portal. For Dubai DET companies: use the Dubai REST app or dubaidet.gov.ae. For Abu Dhabi ADCD companies: use the ADCD portal at added.gov.ae. For DMCC companies: use dmcc.ae/member-search. For DIFC companies: use the DIFC company register at difc.ae. Enter the company name or registration number to confirm active status. Verification is free and instant on most portals.
Does my company registration number change if I renew my trade license?
No. Your company registration number is a permanent identifier that does not change when you renew your annual trade license. The renewal updates your license expiry date and confirms continued authorization to operate, but the underlying CR number remains the same for the lifetime of the company in that jurisdiction. If you close a company and register a new one, the new entity receives a new registration number.
Do free zone and mainland companies have the same type of registration number?
No. Mainland companies receive registration numbers from their emirate’s economic development department (DET, ADCD, SEDD, etc.), and free zone companies receive registration numbers from their specific free zone authority (DMCC, DIFC, IFZA, JAFZA, etc.). The format, prefix, and structure of the number differ between jurisdictions. This is why searching for a DMCC company on the DET portal returns no results, they are separate, non-overlapping registries.
About the Author
Adil Ahmad
Adil Ahmad is a business setup and compliance consultant at Gulf Corporate Services, based in Dubai. He advises entrepreneurs, investors, and businesses on UAE company registration, trade licensing, government documentation, and regulatory compliance across all emirates. Adil writes to give business owners and their teams the accurate, practical reference guidance they need to manage UAE company documentation correctly.
