If you have been researching how to set up a business in Dubai, you have probably hit the same wall as everyone else. Three options, dozens of free zones, conflicting advice from setup consultants, and not a lot of clarity about which one actually fits your business.

This guide cuts through that. It is written from a legal perspective, not a sales pitch. The structure you pick affects your tax position, your liability, your ability to trade locally, your access to UAE courts, and what happens if things go wrong with a partner or counterparty. Those are legal questions, and they should drive the decision before you start filling in forms.

Here is what you actually need to know in 2026.

The three options in plain English

Mainland

A mainland company is licensed by the Department of Economy and Tourism (DET) and can operate anywhere in the UAE without restriction. You can sign contracts with anyone in the country, open offices wherever you like, and bid on government contracts.

Since the 2021 reforms to the Commercial Companies Law, most commercial activities allow 100% foreign ownership of a mainland company. The old requirement to have a 51% Emirati partner is gone for most sectors, though it still applies to some strategic activities like defence and certain media.

Mainland comes with the most regulatory touchpoints. You need a physical office lease (an Ejari), you fall under federal tax rules, and you face the broadest set of compliance obligations.

Free zone

A free zone is a designated economic area inside the UAE that operates with its own rules. There are over 40 of them, each set up by a different authority and often focused on specific industries (tech, media, logistics, healthcare, commodities, and so on).

Free zones offer 100% foreign ownership, simplified setup, and often cheaper licensing. The main trade-off is that a free zone company cannot directly trade with the UAE mainland market without going through a local distributor or appointing a commercial agent. You sell internationally and within your zone freely. Selling to a customer in onshore Dubai requires extra steps.

In 2025, Executive Council Resolution No. 11 introduced a new permit that allows some Dubai free zone businesses to apply for limited mainland activity without fully relocating. This is useful for free zone companies that want occasional access to the mainland market, but it is not a substitute for being a mainland company if local trading is core to your business.

Offshore

An offshore company in the UAE (typically in Jebel Ali, Ras Al Khaimah, or Ajman) is a corporate vehicle that does not actually trade inside the UAE. It is used as a holding company, for international business activity, or for asset structuring.

Offshore companies cannot have UAE-resident employees, cannot lease office space in the UAE, and cannot obtain UAE residency visas through their license. What they offer is a clean corporate vehicle with strong confidentiality, low setup costs, and the ability to hold assets (real estate in designated areas, shares in other companies, intellectual property) in a way that simplifies international structuring.

The questions that should drive your decision

Setup consultants will quote you costs. Lawyers will ask you about your business. Here are the questions that actually matter.

Where are your customers

If your customers are inside the UAE (you are selling to residents, opening a restaurant, building for the local market), you almost certainly need a mainland company. The cost of going through a distributor for every transaction will eat your margin.

If your customers are international (you export, you provide cross-border services, your clients are outside the UAE), a free zone is often the better fit. You get 100% ownership, you keep your costs down, and you do not pay for regulatory overhead you do not need.

If you are not actually trading at all (you are holding assets, investing through corporate structures, or running a family office), offshore is the right tool.

What is your liability exposure

A free zone company gives you limited liability the same way a mainland LLC does. So does an offshore company. The structure matters less for liability than the agreements you sign and the way you operate.

The bigger liability question is which courts hear disputes about you. A mainland company is generally subject to onshore UAE courts. A free zone company in the DIFC or ADGM is subject to common law courts that apply principles closer to English law. For some businesses, especially those with complex contracts or international shareholders, the DIFC or ADGM courts offer more predictability and a better forum for resolving disputes.

This is one of the most underweighted factors in setup decisions. Companies pick a free zone because it is cheap, then end up in a dispute and discover their chosen jurisdiction does not handle their case well. Pick your jurisdiction with disputes in mind, not just setup.

How big do you want to get

A free zone is often the right starting point for a small, foreign-facing business. As you grow, hire UAE-based staff, and need broader market access, you may need to add a mainland entity alongside.

Many serious businesses end up with a holding company structure: an offshore or DIFC entity holding shares in both a mainland operating company and one or more free zone subsidiaries. This is more complex to set up but offers flexibility, asset protection, and clean separation between trading and ownership.

If you know you want to scale, talk to a lawyer about a holding structure from day one. Reorganising later is more expensive than building it correctly.

What does the tax position look like

UAE corporate tax is 9% on taxable income above AED 375,000 for both mainland and free zone companies. The headline 0% free zone rate that gets advertised everywhere applies only to “Qualifying Free Zone Persons” earning “Qualifying Income,” which has specific requirements around what activities count and how income is structured.

In practice, this means most free zone businesses pay some tax. The 0% bucket is narrower than free zone marketing suggests. Get tax advice before assuming you fall inside it.

Offshore companies generally do not have UAE tax exposure on income earned outside the UAE, but the picture changes if you have UAE-source income or UAE-resident shareholders. Cross-border tax structuring is its own discipline and well beyond the scope of a setup consultant.

Who do you want to be able to enforce against

If you are signing contracts with UAE counterparties, you want to know that if they breach, you can collect. A mainland company suing a mainland counterparty has straightforward access to UAE courts. A free zone company can also access UAE courts, but enforcement against an onshore counterparty can involve more steps.

The DIFC and ADGM both have arrangements with onshore Dubai and Abu Dhabi courts to allow mutual enforcement, but the practical experience varies. Again, this is a question about your dispute resolution strategy as much as your setup.

The mistakes I see most often

A few patterns repeat in setup decisions that lawyers end up cleaning up later.

Picking the cheapest free zone. The cheapest free zone is rarely the best one for your specific business. Some free zones are reputable, well-regulated, and respected by banks and counterparties. Others have a poor reputation that follows your company. The licence is the same on paper; the practical experience is not.

Underestimating banking. UAE banks have tightened their compliance over the last few years. Some free zones are now associated with KYC delays and difficulty opening accounts. Before you commit, talk to a bank about whether they will open an account for a company in your chosen jurisdiction.

Ignoring substance requirements. UAE economic substance regulations require certain types of business (holding companies, IP companies, finance and leasing, headquarters businesses, and others) to demonstrate real substance in the UAE: actual employees, actual offices, actual decisions made locally. Setting up an offshore holding company with no substance can trigger penalties.

Treating it as a tax play instead of a business decision. People sometimes set up in the UAE primarily for tax reasons and then discover they cannot bank, cannot sell to local clients, or cannot defend themselves in disputes. The UAE is a great place to do business. It is a more complicated place to do tax engineering.

Skipping the shareholders agreement. If you have a co-founder, business partner, or investor, the time to write a shareholders agreement is before you incorporate, not after a disagreement arises. UAE corporate law gives you some default protections but not all the ones you need.

A practical framework

If I had to compress this into a decision tree:

• Selling primarily to UAE customers? Mainland.
• International business with UAE residency needed for the founder? Free zone in DIFC, ADGM, or a respected commercial free zone.
• Pure holding structure, no UAE operations? Offshore.
• Complex business with multiple lines, partners, or international tax planning? A holding company in DIFC or ADGM with mainland and free zone subsidiaries underneath.

These are starting points, not final answers. The right structure depends on the specific contours of your business, your partners, your customers, and your tax residency.

Get the structure right at the start

Restructuring is possible, but it is expensive and time-consuming. Migrating a mainland company to a free zone, splitting a single entity into a holding-and-operating pair, or moving from offshore to onshore all involve legal work, regulatory approvals, and sometimes tax consequences.

A few hours of legal advice before you incorporate can save you a year of restructuring later.

GLAS advises international clients on UAE company formation, cross-border structuring, and shareholder arrangements. Our principal is licensed by the District of Columbia Court of Appeals to advise on Dubai law, with country partners across the GCC and Latin America. If you are planning to set up in the UAE and want a legal view on the structure, get in touch.

Contact Details:
Call: +1 (202) 669-7464
Email: info@glasvc.com