From accounting profit to UAE taxable income: a working paper
Build an accounts-to-tax reconciliation with a worked AED example, supported adjustments, double-counting checks and current transfer-pricing guidance.
The profit shown in a company’s accounts is the starting point for UAE corporate tax, not necessarily the figure on which the final tax calculation is performed. A reconciliation explains the changes between the two. Without it, a reviewer may see a tax number that cannot be traced to the accounts, while the founder cannot tell whether a change came from business performance or a different tax treatment.
The FTA guide on Determination of Taxable Income describes adjustments to accounting income and the later calculation of tax payable. Build a working paper that preserves this sequence. Keep the accounts as approved, show tax adjustments separately, and distinguish taxable income from tax before credits and the eventual payment amount.
Freeze a reliable starting version
Start with the correct entity, period and accounting result. Record the accounts version and the trial-balance date. If the books are still changing, label the reconciliation as provisional and list the unresolved accounting items. A tax review built on a moving profit figure can be difficult to reproduce later.
Separate accounting corrections from tax adjustments. If a supplier invoice was duplicated, correct the accounting record through the normal process and update the starting profit. If a correctly recorded expense is restricted for tax, retain it in the accounts and show the appropriate tax adjustment. Moving both through an unexplained “tax journal” risks obscuring the original issue.
An adjustment register should have a reference, account or transaction, accounting amount, proposed tax treatment, amount added or deducted, reason, source and reviewer. Include a status for unresolved questions. The final total should follow from the approved rows rather than a manual override typed into the bottom cell.
Decide what each adjustment actually does
An add-back increases the taxable-income calculation where an accounting expense is not deductible, or not fully deductible. A deduction in the reconciliation may remove income that is exempt or reflect another treatment allowed by the applicable rules. The direction of the entry matters as much as its amount.
Some items need more than a permanent add-back label. Differences concerning timing, elections, realisation, assets or related parties can affect later periods. Record whether the issue needs to be revisited and preserve the opening balance or previous-period treatment. Otherwise, an amount can be adjusted twice, or a reversal can be missed because the original decision was not carried forward.
Use targeted schedules for complex items. The reviewer should be able to inspect an entertainment calculation or an owner-remuneration assessment without searching through every ledger entry. Link those schedules to the relevant row in the main reconciliation.
An illustrative reconciliation from AED 500,000
Assume an ordinary taxable company has approved accounting profit of AED 500,000. Its reviewer establishes the following treatments after checking the underlying facts. The example excludes relief elections, special regimes, losses and tax credits.
| Reconciliation item | Adjustment in AED |
|---|---|
| Accounting profit | 500,000 |
| Add statutory fine that is not deductible | 10,000 |
| Add disallowed half of AED 12,000 client entertainment | 6,000 |
| Add unsupported excess over reviewed market-value remuneration | 20,000 |
| Deduct dividend income confirmed to be exempt | (30,000) |
| Illustrative taxable income | 506,000 |
The arithmetic is 500,000 + 10,000 + 6,000 + 20,000 - 30,000 = 506,000. The treatments are explicit assumptions for this worked example, not a conclusion that every fine, dividend or remuneration payment has identical facts. Each real entry needs its own legal basis and evidence.
Under the ordinary rate calculation, AED 506,000 less the AED 375,000 zero-rate band leaves AED 131,000 at 9%, producing AED 11,790 before any relevant credits. The ordinary corporate tax calculation guide explains the rate stage. Notice that the adjustments increased taxable income by only AED 6,000 overall; their individual reasons are still important even though some offset each other.
Prevent double adjustments
Suppose the preparer initially includes the whole AED 12,000 entertainment balance as an add-back, then adds a separate AED 6,000 restriction schedule. That would disallow AED 18,000 against an accounting expense of AED 12,000. A control comparing total adjustments with the source account would expose the error.
Similarly, do not deduct exempt income twice because it appears in both an investment schedule and a general exempt-income row. Give each adjustment one primary reference and record links rather than duplicating entries. Check signs as well: entering a deduction as a positive number can reverse the intended effect without causing a spreadsheet error.
After an accounting revision, revisit affected adjustment rows. A corrected ledger balance should not leave behind a calculation based on its earlier amount. The completed file should state which accounts version and which supporting schedules were used together.
Give related-party changes a proper evidence trail
A downward adjustment is not an opportunity to lower taxable income to a preferred result. The FTA’s July 2026 CTP011 clarification addresses self-assessed transfer-pricing adjustments. It says prior FTA approval is not required, while supporting the arm’s-length position and making the required disclosures remain important; downward related-party adjustments require disclosure regardless of transaction value.
Identify the arrangement, explain the pricing analysis and preserve how the proposed adjustment was calculated. Ask the reviewer to check the current return’s disclosure requirements and any relevant cross-border consequences. A spreadsheet row should point to that analysis rather than merely stating “management adjustment”.
For everyday deduction questions, the business-expenses guide sets out a document and classification process. Keep those assessments distinct from unrelated adjustments so another person can review the reconciliation in a logical order.
Finish with a reproducible filing file
Have the approver review the starting accounts, material adjustments, assumptions and unresolved items together. Record the approved version and ensure the return uses its figures. Save a bridge from accounts to taxable income and from taxable income to tax payable, including any later loss relief or credits.
The record-keeping guide explains how to retain the evidence. A useful final test is to select one add-back, one deduction and the final taxable-income number and ask another person to reproduce them. If the answer depends on the preparer’s memory or an overwritten spreadsheet, the reconciliation is not yet ready to support the return.
Sources checked on 26 October 2026. The reconciliation and treatments above are illustrative assumptions for an ordinary-regime example.