Tax filing season can be a headache for many Hong Kong SME owners. Although Hong Kong’s tax system is simple, understanding and making good use of deductible expenses under the Inland Revenue Ordinance can help a company lawfully save a significant amount of profits tax.
Whether you have just completed company incorporation or have been running an established business for many years, understanding which expenses are deductible is essential for every business manager. As a professional licensed company secretarial firm, M&N has prepared this practical guide to profits tax deductions to help you file more effectively.
1. The IRD's Core Deduction Principles: What Is a Deductible Expense?
Hong Kong’s Inland Revenue Department (IRD) takes a principle-based approach rather than providing an itemised list. Under section 16 of the Inland Revenue Ordinance, an expense is generally deductible if it meets all the following conditions:
Incurred in producing assessable profits: The money must be spent on the company’s business operations and earning income.
Not capital in nature: Ordinary operating expenses can be deducted directly, while capital expenditure, such as buying business premises or large machinery, must be handled through depreciation allowances.
Supported by documentation: Clear receipts and accounting records must be retained.
2. Common Deductible Business Operating Expenses
Most day-to-day expenses directly related to the business can be used to reduce tax. Common examples include:
Office expenses: Rent, utilities, telephone and internet charges. If you rent a virtual office to keep initial costs down, the related annual service fee is also fully deductible.
Staff pay and benefits: Employee salaries, bonuses, allowances and severance payments, as well as employers’ mandatory MPF contributions.
Business entertainment expenses: This is one of the most frequently disputed areas for SMEs. Meals and gifts for clients can certainly be deductible, but clear records must be kept—for example, note on the receipt which client and company attended and what project was discussed—otherwise the IRD may disallow the expense.
Professional service fees: Fees for external professional assistance, such as appointing M&N to handle accounting and tax filing, as well as audit fees and legal consultation fees.
Intellectual property and protection: The costs of trademark registration to protect the company’s brand, as well as employees’ compensation insurance.
3. How Are Computers, Vehicles and Renovations Deducted? Capital Expenditure
Many owners mistakenly believe that the cost of air conditioners or company vehicles can be deducted as a one-off expense. These are actually capital expenditures, for which deductions are obtained in the following two ways:
Depreciation Allowances for Fixed Assets: Purchases of office equipment, such as computers and furniture, and company vehicles can qualify in the first year for an initial allowance of up to 60%, with the remaining cost deducted on a reducing-balance basis at annual rates of 10%, 20% or 30%.
Commercial Building Allowance (CBA): If you carry out interior renovation work for an office or factory, such as suspended ceilings or partition walls, the cost can be deducted at 4% annually over 25 years.
(M&N professional tip: When recording expenses, keep renovation invoices separate from furniture and equipment invoices, as equipment receives tax depreciation much faster than renovation work.)
4. Non-Deductible Items: Common SME Mistakes
Under section 17 of the Inland Revenue Ordinance, the following expenses cannot be deducted for profits tax purposes:
The owner’s private and household expenses, such as personal supermarket receipts.
Traffic fines or any other penalties for breaking the law.
Non-mandatory MPF contributions exceeding the statutory limit or provisions of specific legislation.
Salaries and interest paid to the proprietor or partners, and their spouses, in a sole proprietorship or partnership.
Let M&N Be Your Strongest Business Support
Tax filing is more than completing a few forms; it also affects a company’s cash flow. Incorrect accounts can lead to unnecessary tax payments and possible IRD penalties.
M&N provides one-stop professional business services. We help entrepreneurs get started smoothly and have an experienced accounting team to handle complex accounts and tax filings. Focus on your core business and leave the paperwork and numbers to us.
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Frequently Asked Questions (FAQ)
Answer: The tax legislation does not set a specific monetary limit, but the expense must be reasonable and directly related to the business. With sufficient evidence, including receipts and business records, showing that the expenditure was incurred to generate business, it can be claimed regardless of the amount.
Answer: It depends. If your Hong Kong company funds the incorporation of an overseas company or incorporation of an offshore company, this is generally a capital investment and cannot be deducted directly from Hong Kong profits tax. However, profits generated by the overseas company generally do not attract Hong Kong profits tax if they are not sourced in Hong Kong, under the offshore exemption. Seek professional tax advice on the specific structure.
Answer: A newly incorporated company usually receives its first profits tax return from the IRD in the 18th month after incorporation. It generally needs to submit the return together with audited financial statements and the audit report within 3 months of receipt.
Answer: The best approach is to keep personal and business finances separate from the outset, starting with bank account opening and day-to-day bookkeeping. Keep all bank statements and invoices properly, and engage a professional team to assess the company’s financial position before the year-end.
All content and information in this article is provided by the M&N team for general reference only. M&N accepts no liability for any loss or damage arising directly or indirectly from the use, misuse of or reliance on information on this website.



