UID Number in the UAE: What It Is and Where to Find It

A UID number is a unique reference the UAE immigration system assigns to identify a resident’s file, and it’s used far more often behind the scenes than most residents realise.

Key Takeaways

• UID stands for Unified Identification Number, a reference tied to your immigration and residency file with the relevant UAE authority.
• It is not the same as your Emirates ID number, though the two are connected and sometimes confused.
• You can find it on your visa page, printed alongside other residency details in your passport.
• It stays consistent across visa renewals and changes, functioning as a persistent reference to your file rather than resetting with each new visa.
• You’ll need it for various government processes, from visa status checks to certain applications that reference your immigration history.

The UID number is one of those pieces of UAE bureaucracy that residents encounter constantly without fully understanding what it is or why it keeps coming up on forms.

This guide covers what a UID actually identifies, where to find it, and how it differs from other UAE identification numbers.

What UID Actually Stands For

This system predates many of the digital smart services now built on top of it, which is part of why the UID remains the backbone reference even as newer apps and portals present the information in more modern interfaces.

UID stands for Unified Identification Number, a reference number assigned by UAE immigration authorities to track an individual’s residency and visa file.

It functions as the file reference behind the scenes of your residency status, distinct from the physical Emirates ID card itself, though the two systems are connected.

Think of the UID as the file number your immigration record is stored under, not the card you carry. Both matter, but they answer different questions.

UID Number vs Emirates ID Number

Both are legitimate, necessary references within the same broader system, and neither one replaces the need for the other on the forms and processes that specifically request it.

• UID number is tied to your immigration file and generally appears on your visa page
• Emirates ID number is tied to your physical ID card and appears directly on the card itself

These numbers are related but serve different administrative purposes, and confusing one for the other when filling out a government form is a common, easily avoidable mistake.

Where to Find Your UID Number

Your UID number is generally printed on the visa page in your passport, alongside your visa’s other details such as issue and expiry dates.

It can also often be found through ICP smart services when checking your residency status online, alongside your other immigration file details.

Why Your UID Number Matters

Not every process requires it explicitly, but having it on hand alongside your passport and Emirates ID means you’re never caught unprepared when a form specifically calls for it.

• Visa status checks, where it can sometimes be used as an identifier alongside or instead of a passport number
• Sponsorship processes, connecting a sponsored family member or employee’s file to their sponsor’s records
• Certain government applications that reference your existing immigration history rather than starting a fresh record

See our visa status check guide for how the UID connects to the broader status-checking process across ICP and GDRFA portals.

Does the UID Number Change?

Generally, no. The UID stays consistent across visa renewals and even some status changes, functioning as a persistent reference to your overall immigration file rather than resetting with each new visa issuance.

This consistency is precisely what makes it useful for authorities tracking a resident’s history, even as visa types or sponsors change over time.

UID for Sponsors and Employers

Employers sponsoring multiple employee visas sometimes reference UID numbers when managing status checks or renewals across a team, since it provides a consistent identifier tied to each employee’s immigration file.

See our PRO services guide for how sponsors typically track and manage this kind of documentation across a workforce.

UID Number for Family Visa Dependents

Sponsored family members, including a spouse or children, are each assigned their own UID number tied to their individual residency file, separate from the sponsor’s own UID.

See our UAE family visa guide for how each dependent’s file is tracked individually even under one sponsor’s overall sponsorship.

UID Number and Emirates ID Renewal

When renewing an Emirates ID, the UID number remains the constant thread linking the old and new card to the same underlying immigration file, even though the physical card and its own number change with each renewal cycle.

This is part of why the two numbers get confused so often: they move together through a renewal, but only one of them, the UID, actually stays the same.

Protecting Your UID and Immigration Details

Your UID number, along with other immigration file details, is sensitive personal information and worth treating with the same care as a passport number or Emirates ID.

Avoid sharing it with unofficial third-party services claiming to offer status checks or document retrieval, since these details are best confirmed only through official GDRFA or ICP channels directly.

What If You Can’t Find Your UID Number?

Check your visa page in your passport first, since this is the most direct and immediate source. If it’s not visible or the passport page isn’t accessible, ICP smart services can generally retrieve it as part of a status check using other identifying details.

Confirm through ICP smart services directly rather than relying on a third-party site claiming to look it up for you.

UID Number and Golden Visa Holders

Golden Visa holders retain the same UID system as any other resident, with the number continuing to reference their file even as they move onto a longer-validity visa category.

See our Golden Visa eligibility guide for how long-term residency status connects to the same underlying immigration file the UID has tracked from the start.

UID Number for Business Owners and Investors

A founder holding a UAE residency visa tied to company ownership has a UID number the same as any employment-sponsored resident, generally referenced during visa renewal alongside the company’s own licence status.

See our company setup guide for how investor and business owner visa status connects to the underlying company documentation.

UID Number vs Unified Number: Same Thing?

“UID” and “unified number” are generally used interchangeably in UAE immigration terminology, both referring to the same underlying reference tied to a resident’s file.

Different portals or documents may use slightly different phrasing for the same concept, which is part of why the terminology causes confusion even among long-term residents familiar with the general system.

Common UID Number Confusions

Treating the UID and Emirates ID number as interchangeable, when they’re connected but distinct references.

Assuming the UID changes with every new visa, when it generally remains consistent across the same individual’s file.

Not knowing where to locate it when a form or process specifically asks for it, leading to unnecessary delay.

UID Number for Former Residents

Someone who previously held UAE residency and has since left the country retains a historical UID tied to that period, which can still be referenced for certain applications, such as a Police Clearance Certificate request, even after the visa itself has been cancelled.

See our PCC Dubai guide for a related example of a process that sometimes references a former resident’s historical immigration file details.

UID Number and Establishment Cards

A company’s establishment card, used to sponsor employee visas, operates on a related but separate numbering system from an individual’s personal UID.

Confusing a company’s establishment card number with an individual employee’s UID is a common administrative error, particularly for a business handling visa sponsorship for the first time without dedicated PRO support.

Get Your Immigration Documentation Organised

Small reference numbers like the UID rarely matter until the exact moment a process asks for one, and having your documentation organised avoids that scramble.

At EZONE, our PRO services team manages visa and immigration documentation for clients so these details are always on hand when needed.

Speak to an EZONE Business Setup Advisor if you need your immigration and visa documentation organised properly.

EZONE | YOUR BUSINESS MATTERS.

Frequently Asked Questions