Why 9% Applies Only Above AED 375,000: Marginal vs Flat Comparison (UAE)

The single most expensive mistake in UAE corporate tax arithmetic is applying 9% to all of taxable income. The law applies 9% only to the portion exceeding AED 375,000, and the gap between the right and wrong methods is always the same.

On AED 2,000,000 the correct tax is 9% of AED 1,625,000, which is AED 146,250. The flat shortcut gives AED 180,000. The AED 33,750 difference is 9% of the threshold itself.

This page proves the point with both calculations side by side.

Correct method: AED 2,000,000 minus AED 375,000 is AED 1,625,000; 9% of that is AED 146,250.

Wrong method: 9% of AED 2,000,000 is AED 180,000. The overstatement is AED 33,750, which is 9% of AED 375,000, and this figure never changes whatever the income level.

For the complete rulebook behind these adjustments, see our guide to corporate tax rates.

Each step below carries its own arithmetic, so the full trail from the starting figure to the tax payable is visible.

Article 3 imposes corporate tax at 0% on the portion of taxable income not exceeding AED 375,000 and at 9% on the portion exceeding it. The rates are marginal: the 0% band is never clawed back, and crossing the threshold taxes only the excess. This is why the error from applying 9% to everything is always exactly AED 33,750, which is 9% of the band itself.

The threshold is applied to taxable income, which means after every adjustment, after loss relief, and after the interest limitation. Exempt income never touches the band because it is removed before taxable income is measured, and losses shrink the income measured against the band without shrinking the band itself.

The band is per tax period and per taxable person. Unused capacity does not carry forward, and a tax group gets a single AED 375,000 band for its consolidated income rather than one per member, which can make grouping more expensive than separate filings.

Because the band is fixed while income grows, the effective rate rises smoothly toward 9% as profits increase. There is no cliff edge and no marginal relief mechanism is needed: at AED 402,000 the effective rate is about 0.6%, and at AED 2,000,000 it is about 7.3%.

Another subtlety is that the threshold does not distinguish between types of taxable income. Whether the AED 1,200,000 comes from trading, rent, services or a mix, the band applies once to the aggregate. Only exempt income escapes the aggregation, because it never becomes taxable income at all.

For groups, the single-band rule deserves emphasis because it surprises even experienced filers. Two profitable members each under AED 375,000 pay nothing separately but pay 9% on the combined excess once grouped. The grouping election should therefore include a threshold-impact calculation alongside the loss-consolidation benefit.

The background rules are set out in our guide to taxable income.

Applying 9% to the full taxable income is the classic error, overstating every bill by AED 33,750. The subtraction of AED 375,000 must come first, every time.

Applying the threshold to accounting profit or revenue instead of taxable income is the second error. Adjustments and loss relief change the figure the band applies to, sometimes by hundreds of thousands.

Assuming the band is per company inside a tax group is the third. Consolidation brings a single band, so groups should model the grouping decision with real figures before electing.

A fourth mistake is assuming the threshold eliminates filing. It eliminates tax, not compliance: registration, computation and filing apply at every income level, and the return is the legal instrument that claims the band.

Our guide to small business relief covers the underlying provisions in more depth.

The AED 375,000 band needs no separate claim form: it is built into the rate schedule on the corporate tax return. The return computes taxable income, applies 0% to the first AED 375,000 and 9% above, and the resulting figure is the tax. The filer's job is to get taxable income right; the band applies itself.

Keep the full computation that produced taxable income, because the band's correctness depends entirely on it. An enquiry into a below-threshold return will examine the adjustments and loss relief first, since those decide whether the band was correctly applied.

Where the figure is close to the boundary, document cut-off carefully: revenue and expense accruals at year-end are what move companies across the line, and contemporaneous cut-off workpapers are far more persuasive than reconstructions.

Finally, remember the band is claimed through the computation, not through a separate election, so there is no deadline risk in claiming it beyond the return deadline itself. The nine-month filing deadline from the period end is the date that matters, and late filing penalties apply even to nil-tax returns.

This page works one computation end to end: the scenario sets out the starting figures, the adjustments section applies each tax correction with its article reference, and the step-by-step section shows every line of arithmetic. The key figures are collected here for quick reference.

Use this page as a template by replacing the scenario's numbers with your own while keeping the same adjustment logic: the method, the article references and the order of operations transfer directly to any similar computation.

When you adapt the template, re-check each adjustment against the current facts rather than copying the amounts. A fine that was non-deductible here might be breach-of-contract compensation there; entertainment is always halved but only genuine client entertainment belongs in that line; and exempt income must meet its article's conditions in your period, not just resemble last year's.

Pay particular attention to the order of operations when you reuse the method. Adjustments come first to reach taxable income, then loss relief and the interest limitation apply to that figure, and only then do the 0% and 9% rate bands divide it. Reordering these layers is the fastest way to turn a right method into a wrong answer.

Finally, keep the evidence behind every figure you substitute. The FTA tests computations from the documents outward: invoices behind expenses, dividend vouchers behind exempt income, valuations behind market-value adjustments, and assessments behind foreign tax credits. A template with good numbers and no evidence is only half a return.

Double-check the 75% cap arithmetic whenever losses are involved: the cap is 75% of taxable income before loss relief, not after, and it is tested separately for each period. A cap computed on the wrong base either wastes losses or claims too much, and both errors compound across years.

Continue with these worked examples: worked example: small business relief at low profit, worked example: small business relief at high profit, and worked example: revenue test at AED 2.95 million. For the underlying rules, see our guides to corporate tax rates, taxable income and small business relief.