Field Note · April 28, 2026 · United Arab Emirates
The UAE has long been the shorthand answer to “where should I incorporate?” For founders who wanted low taxes and an international address, the pitch was simple: register in a free zone, pay 0% corporate tax, done.
The pitch is still technically accurate. The mechanism is not as simple as it used to be.
What’s changed. The UAE’s standalone Economic Substance Regulations the old filing regime that required companies to prove local presence were formally wound down for financial years from January 1, 2023, under Cabinet Decision No. 98 of 2024. Some founders read that as the substance requirement disappearing. It didn’t. The substance test migrated into the corporate tax framework itself, where it now sits at the center of whether a free zone company qualifies for the 0% rate.
The technical term is Qualifying Free Zone Person status. Under Cabinet Decision No. 100 of 2023 and the FTA’s published guidance, a company must demonstrate genuine operational presence adequate staff, physical office, real decision-making to earn and keep the 0% rate. Two new Ministerial Decisions (229 and 230 of 2025, effective August 28, 2025) tightened the substance test further and brought transfer pricing requirements in line with OECD standards.
The enforcement side has moved equally fast. In 2024, the Federal Tax Authority conducted approximately 93,000 field inspection visits a 135% increase from the 40,000 visits conducted in 2023. That audit infrastructure now supports corporate tax reviews. Federal Decree-Laws No. 16 and 17 of 2025, both effective January 1, 2026, expanded the FTA’s audit powers further and reformed the penalty structure.
Why this matters for Building Elsewhere readers. The UAE appears in the Index universe, and this changes its tax score. The 0% free zone rate remains available but only to founders who are genuinely operating there. A founder who incorporated in DMCC or DIFC while living elsewhere and delegating all real activity outside the UAE is no longer holding a clean structure. If a company loses Qualifying Free Zone Person status, it is disqualified from the 0% regime for five years. During that period, all taxable income is subject to the 9% rate and that position cannot be undone quickly.
The catch. The line between “adequate substance” and “nominal presence” is not defined by headcount thresholds. The FTA evaluates it against the scale and nature of the business which gives authorities meaningful discretion and gives founders meaningful uncertainty.
What this means practically. If you are already registered in a UAE free zone and running your actual business from elsewhere, get a proper review of your structure before the next filing deadline. The voluntary disclosure route now carries lower penalties than being caught a reform that took effect April 14, 2026. If you are considering the UAE as a domicile, the math still works for founders who will genuinely be there. It has stopped working for founders who wanted a mailbox.
This will affect the next Index. The UAE’s tax-regime score reflects the 0% headline rate; the substance enforcement complexity warrants a note in the Q3 issue.
Primary sources: Federal Decree-Law No. 47 of 2022 (UAE Corporate Tax Law); Cabinet Decision No. 100 of 2023 (Qualifying Free Zone Persons); Cabinet Decision No. 98 of 2024 (ESR wind-down); Ministerial Decisions No. 229 and 230 of 2025 (Free Zone Tax); Federal Decree-Laws No. 16 and 17 of 2025 (effective January 1, 2026); FTA 2024 Annual Report (inspection visits); Alvarez & Marsal Middle East Tax Alert (February 2025); PwC Gulf Tax Insights (May 2024). Building Elsewhere tracks border, residency, and tax changes across countries beyond our core five. For deep coverage of the five Uruguay, Georgia, Albania, Malaysia, and Brazil see our dossiers.