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UAE corporate tax · By NAQIX · 15 October 2026

UAE Corporate Tax readiness: what your books need before the return

UAE Corporate Tax starts from the profit in your financial statements. If the books are late, mixed with the owner's spending or missing a fixed asset register, every adjustment your adviser makes on top of them is built on sand. Here is what the rules ask for in broad terms, and seven checks to make in your books before the return is due.

Editorial disclosure: this guide is published by NAQIX, an ERP software vendor. It is general information, not tax or legal advice; confirm how the rules apply to your business with your tax adviser.

The basics in one table

TopicGeneral position
Who is in scopeUAE companies and other juridical persons, including free zone persons, and individuals carrying on business above a turnover threshold
When it startedFinancial years starting on or after 1 June 2023
Rates0% on taxable income up to AED 375,000 and 9% above it, with separate rules for qualifying free zone persons
RegistrationTaxable persons register with the FTA, even when no tax is expected to be payable
ReturnOne return per tax period, due within nine months of the period end
Small Business ReliefAn election for resident businesses with revenue up to AED 3 million, for tax periods ending on or before 31 December 2026
RecordsKept for seven years after the end of the tax period

This is orientation, not advice. Thresholds, reliefs and deadlines have conditions and change by decision, so confirm each point for your business with your tax adviser.

Taxable income starts from your accounts

The starting point for Corporate Tax is the accounting net profit or loss in financial statements prepared under accepted accounting standards. Your adviser then adjusts it: some income is exempt, some expenses are only partly deductible or not deductible at all, and transactions with related parties must be at arm's length. Client entertainment, fines, donations and interest are common examples of items that need adjustment.

That is why bookkeeping is the real preparation. An adviser can work from clean, timely accounts in days. Late or mixed books turn the same job into weeks of reconstruction, and every assumption becomes a risk.

Seven checks for your books

1. One set of books per legal entity

Each company that registers for Corporate Tax needs its own books. If two licences share one accounting file, separate them now, before a full tax period passes.

2. A financial year that matches the tax period

Agree the financial year with your adviser, close each month on time and lock closed months so the figures behind the return cannot change.

3. Accounts for items your adviser will adjust

Give entertainment, fines and penalties, donations, interest, and owners' or directors' personal costs their own accounts. Adjusting a clearly named account is easy; finding these items inside general expenses is not.

4. Related parties recorded separately

Transactions with owners, directors, family members and group companies may need to be disclosed and must be at arm's length. Record them against named parties, with agreements on file.

5. A fixed asset register with depreciation

Accounting depreciation feeds the profit figure. Keep each asset with its cost, date and depreciation method, rather than expensing equipment as it is bought.

6. Revenue you can rely on

Small Business Relief and other thresholds are tested on revenue. Make sure revenue is complete, in the right period and net of credit notes, with VAT kept out of the figure.

7. Evidence kept and findable

Keep invoices, contracts, bank statements and working papers for the full retention period, linked to the entries they support.

A timeline to the first return

  1. Now: confirm your registration, your tax period and whether any relief or free zone regime may apply, with your adviser.
  2. During the year: close each month within a few weeks, reconcile the bank and keep the asset register current.
  3. At year end: agree accruals, depreciation and related-party balances, and finalise the financial statements, audited where required.
  4. After year end: your adviser prepares the tax computation from the final accounts and you review it together.
  5. Before the deadline: the return is submitted and the tax paid, and the working papers are filed with the accounts.

Leaving the year-end steps until month eight of the nine-month window is the most common way to turn a routine return into a rushed one.

If you are in a free zone

Free zone companies may benefit from a 0% rate on qualifying income if they meet conditions, including keeping audited financial statements and adequate substance. That puts more weight on how revenue is analysed. Our guide to free zone and mainland bookkeeping covers the setup.

How NAQIX supports Corporate Tax preparation

Be clear about what NAQIX does not do. It does not calculate taxable income, reliefs, thresholds or the tax due, it does not register you for Corporate Tax and it does not submit the return or pay the tax; you or your tax agent do that in EmaraTax. The Accounting & reports and Tax & compliance pages list the features, the NAQIX page for the UAE covers the local setup, and the UAE accounting software overview compares the options.

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