Introduction: How UAE Corporate Tax Treats Business Expenses
The UAE Corporate Tax Law (Federal Decree-Law No. 47 of 2022) — effective for financial years beginning on or after 1 June 2023 — imposes a 9% tax on taxable income exceeding AED 375,000. Getting your expense deductions right is not merely an accounting exercise; it is a direct lever on your final tax bill.
The foundational principle, established under Article 28 of the CT Law, is clear: a business expense is deductible if it is incurred wholly and exclusively for business purposes, is not capital in nature, and is incurred within the relevant tax period. Everything else is either non-deductible or subject to specific limitations.
This guide takes you through every major category — what is allowed, what is blocked, and why — so your business is fully compliant and optimally positioned.
Key Facts: UAE Corporate Tax Expense Rules at a Glance
The Golden Rule: Article 28 of the Corporate Tax Law
Before examining specific categories, every expense must be tested against Article 28. An expense passes the test and is deductible if it meets ALL three criteria:
Fully Deductible Expenses — What You CAN Deduct
1. Salaries, Wages & Employee Benefits
Staff remuneration — including salaries, end-of-service gratuity, housing allowances, and other contractual benefits — is fully deductible. These represent genuine business costs incurred to generate taxable income. Key condition: the amounts must be commercially reasonable and arm's length.
2. Rent, Utilities & Office Overheads
Expenses such as office rent, electricity, water, internet, and general overhead costs that are directly incurred for business operations are deductible in full. Ensure you hold valid tax invoices and lease agreements.
3. Professional & Consultancy Fees
Fees paid to auditors, lawyers, accountants, tax advisors (including VAT and CT compliance costs), and management consultants engaged for genuine business purposes are deductible.
4. Depreciation on Business Assets
Depreciation on fixed assets used in the business (property, plant, equipment, vehicles used for qualifying commercial purposes) is deductible, calculated in accordance with UAE GAAP or IFRS as applicable.
5. Marketing, Advertising & Promotional Expenses
Costs incurred for business promotion — including digital marketing, trade show participation, print advertising, website development, and social media campaigns — are deductible if they are genuinely business-related.
6. Insurance Premiums
Insurance premiums for business assets, professional indemnity, employer liability, and similar business-purpose insurance policies are deductible operating expenses.
7. Bad Debt Write-offs
Genuine bad debts — where recovery is genuinely doubtful, the debt has been properly documented, and efforts to collect have been made — can be written off and deducted. IFRS-compliant expected credit loss (ECL) provisions are generally accepted.
8. Staff Training & Development
Costs incurred for employee upskilling, professional certifications, and training programmes directly related to business activities are deductible and support Emiratisation and UAE workforce development goals.
Partially Deductible Expenses — Limited Deductions
Entertainment & Hospitality Expenses
This is one of the most discussed areas of UAE Corporate Tax. The CT Law splits entertainment deductibility as follows:
Practical example: A business lunch for a client costing AED 1,000 — only AED 500 is deductible for CT. Maintain clear records distinguishing employee vs. client entertainment.
Interest Expense — The GIDLR Cap
Interest on business borrowings is deductible, but subject to the General Interest Deduction Limitation Rule (GIDLR) under Ministerial Decision No. 126 of 2023. The net interest expense deductible in a single tax period is capped at the higher of:
AED 12,000,000 (absolute cap), OR
30% of the business's earnings before interest, tax, depreciation and amortisation (EBITDA)
Excess interest that cannot be deducted in the current period can be carried forward for up to 10 years, or in some cases, carried back. Related-party interest is subject to additional transfer pricing scrutiny.
Non-Deductible Expenses — What You CANNOT Deduct
Special Considerations: Related Party & Intra-Group Expenses
Payments between related parties (parent-subsidiary, sister companies, companies with common ownership) are subject to transfer pricing rules. The CT Law requires that:
All transactions with related parties must be conducted at arm's length (market value)
Businesses must maintain transfer pricing documentation for transactions exceeding AED 40 million in a tax period
Management fees, service fees, royalties, and loans between related parties are scrutinised for commercial substance
Free Zone Businesses: Expense Allocation Rules
Qualifying Free Zone Persons (QFZPs) benefiting from the 0% CT rate on qualifying income must carefully segregate their expenses:
Expenses attributable to qualifying (0% taxed) income: deducted against that income
Expenses attributable to non-qualifying (9% taxed) income: deducted against taxable income
Common (shared) expenses: allocated on a pro-rata basis by revenue
Failure to correctly allocate expenses can result in the loss of Free Zone qualifying status — a very costly compliance error.
Quick Decision Table: Is This Expense Deductible?
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