The Ireland–UAE double taxation agreement: what it actually covers
Just researching? Get the free move planner → · Specific situation? Talk to us →
What the Ireland–UAE double taxation agreement actually is
Ireland and the UAE signed a comprehensive double taxation agreement in 2010; it entered into force in 2011. It is a bilateral treaty, modelled broadly on the OECD framework, which allocates taxing rights between the two countries across a range of income and gain types.
The core purpose is straightforward: if a given item of income could legitimately be taxed in both Ireland and the UAE, the treaty says which country taxes it, or in what proportion, and ensures the other country gives a credit or exemption so the taxpayer is not hit twice.
For most Irish people moving to Dubai, the UAE side of that equation is largely academic. The UAE levies no personal income tax. There is nothing to credit against. The treaty matters most for the Irish side of the ledger, specifically in working out whether Ireland still has a taxing right at all.
What the treaty does not do
This is the part that catches people out.
The DTA does not override Irish domestic rules on tax residency or ordinary residence. Those rules exist independently in Irish legislation, and the treaty operates after the question of Irish liability has been settled by domestic law.
If Irish domestic law says you remain within the Irish tax net because you are still ordinarily resident, the DTA does not switch that off. It may reduce a liability where income is also taxable in the UAE, but it cannot create a nil liability where Irish domestic law creates one.
The upshot: signing a lease in Dubai does not, by itself, put the treaty to work in your favour. Your Irish residency position has to be resolved first.
The ordinary residence point, briefly
Under Irish domestic rules, tax residency is determined by day counts: 183 days in the tax year, or 280 days across the current and preceding year (though the 280-day test does not apply if either year involved 30 days or fewer in Ireland).
After three consecutive resident years, you become ordinarily resident. That status persists until three consecutive non-resident years have passed. During that period, certain worldwide income can remain within the Irish tax net, with a notable exception for employment or trade income exercised wholly abroad.
The DTA can reduce double taxation on income falling into both nets, but the three-year tail is the reason Irish people cannot simply assume that leaving Ireland equals leaving the Irish tax system. You can model your own position using the residency and three-year tail calculator.
How the treaty handles specific income types
The agreement covers the main categories: employment income, business profits, dividends, interest, royalties, capital gains, and immovable property. For each, the treaty sets out a primary taxing right.
| Income type | General position under the DTA |
|---|---|
| Employment income | Taxed where the work is performed; Irish PAYE generally ceases once employment is fully UAE-based |
| Business profits | Taxed in the country of the permanent establishment |
| Dividends | Source country may tax at reduced rate; residence country may also tax with credit |
| Interest and royalties | Broadly similar split; treaty caps withholding rates |
| Capital gains | Generally taxed in residence country, with an exception for immovable property |
| Irish land and buildings | Remain in the Irish CGT net for non-residents regardless of treaty |
The capital gains position deserves a particular mention. The 33% Irish CGT rate applies to disposals of Irish land and buildings even if you are non-resident and non-ordinarily-resident at the time of disposal. The treaty does not change that. For other assets, your residency position at the point of disposal matters considerably, so timing a sale well is something worth discussing with an Irish-qualified adviser before you proceed.
Split-year relief and the year of departure
For the tax year in which you leave Ireland, split-year relief is available for employment income. This broadly means that employment income earned in the part of the year after your departure may be outside the Irish net, even though you were technically resident for part of that year. It is a practical relief, but it applies to employment income specifically. It does not resolve the ordinary residence question, which continues to run on its own track after you leave. The take-home difference between an Irish and a UAE salary can be significant; the Ireland vs Dubai take-home pay calculator gives a rough sense of the gap.
Where the DTA genuinely helps
The treaty is most useful in three practical situations. First, where an Irish person retains Irish-source income (rental income from an Irish property, for instance) and the UAE might also have a theoretical basis for taxation. Second, where a person is in a genuinely dual-jurisdiction situation during a transitional period. Third, where withholding taxes arise at source on dividends or interest flowing between the two countries, and the treaty’s reduced rates apply.
For a founder restructuring a business around a UAE freezone entity while retaining Irish connections, the interplay between the treaty, Irish domestic rules, and the UAE’s 9% corporate tax (which applies above AED 375,000 in taxable profits) requires careful structuring. The DTA is one part of that picture, not the whole of it.
General guidance, not personal tax, legal or financial advice. Rules change and individual circumstances differ. Speak to a suitably qualified professional, including an Irish-qualified tax adviser, before acting on anything here.
Last reviewed: 6 August 2026