Understanding Hong Kong’s Tax Model and Effective Tax Reality (2025–2026)

Hong Kong continues to operate under a territorial taxation system, which means businesses are generally taxed only on profits arising in or derived from Hong Kong. This framework has remained a key feature of Hong Kong’s business environment and continues to apply in the 2025–2026 period.

Hong Kong maintains a territorial tax system, taxing only profits sourced in Hong Kong.

For companies planning regional operations or structuring holding entities, understanding how Hong Kong determines taxable profits, applicable tax rates, and audit obligations is essential for compliance and planning.

Understand Hong Kong’s Territorial Tax System

Hong Kong adopts a territorial basis of taxation, meaning corporate profits are subject to tax only when they are considered to be sourced within Hong Kong.

Under the Inland Revenue Ordinance (Cap.112), profits tax applies to businesses that carry on a trade, profession, or business in Hong Kong and derive profits from Hong Kong. The Inland Revenue Department (IRD) determines the source of profits based on the location where the relevant profit-generating activities take place.

Under the Inland Revenue Ordinance, profits tax applies to businesses operating and generating profits.

This approach differs from worldwide taxation systems used in some jurisdictions, where companies are taxed on global income regardless of where profits are generated.

How Hong Kong Corporate Tax Rates Apply

Hong Kong applies a two-tier profits tax regime for corporations, designed to support small and medium-sized enterprises while maintaining a straightforward and transparent corporate tax framework.

For the 2025–2026 assessment period, the applicable profits tax rates are:

• The First HKD 2 Million Of Assessable Profits Is Taxed At 8.25%
• Profits Above This Threshold Are Taxed At 16.5%

This two-tier system allows smaller businesses to benefit from a lower tax rate on their initial profits while maintaining Hong Kong’s relatively simple corporate tax structure.

Hong Kong applies a two-tier profits tax: 8.25% on the first HKD 2 million and 16.5% above that.

Companies operating in Hong Kong are required to report their taxable profits through annual Profits Tax Returns issued by the Inland Revenue Department (IRD). These returns must be completed and submitted together with supporting financial statements and relevant documentation in accordance with IRD filing requirements.

(Inland Revenue Department – Two-tiered Profits Tax Rates)

Global Minimum Tax Developments Affecting Large Multinational Groups

In addition to Hong Kong’s existing profits tax system, the jurisdiction has begun implementing international tax standards associated with the OECD Pillar Two global minimum tax framework.

The Pillar Two rules introduce a global minimum effective tax rate of 15% for large multinational enterprise (MNE) groups. The rules generally apply to corporate groups with consolidated annual revenue of at least €750 million.

Hong Kong is implementing OECD Pillar Two, introducing a 15% global minimum tax for large multinational groups.

Under this framework, jurisdictions participating in the initiative may impose a top-up tax where the effective tax rate of a multinational group falls below the global minimum threshold.

Key elements of the Pillar Two framework include:

• Global Minimum Effective Tax Rate Of 15%
• Applies To Multinational Enterprise Groups With Annual Revenue Of €750 Million Or More
• Designed To Align International Corporate Taxation Across Jurisdictions

The introduction of Pillar Two is particularly relevant for multinational corporate structures operating across multiple jurisdictions, including those using Hong Kong as part of an international business structure.

(Hong Kong Inland Revenue Department – Implementation of Global Minimum Tax / OECD Pillar Two Framework)

When Income May Not Be Subject to Hong Kong Profits Tax

Under Hong Kong’s territorial principle of taxation, profits may fall outside the scope of Hong Kong profits tax if the income is determined to arise outside Hong Kong.

However, the Inland Revenue Department (IRD) evaluates each case based on the actual operations of the business. Key factors considered during the assessment include:

• Where Contracts Are Negotiated And Concluded
• Where Core Services Or Business Activities Are Performed
• Where Key Management And Operational Decisions Take Place

Businesses that claim profits as arising outside Hong Kong must maintain sufficient documentation demonstrating how their income is generated and where the relevant activities occur.

In recent years, the IRD has increased scrutiny of offshore profit claims. When reviewing such claims, the tax authority may request supporting documentation and conduct a detailed review of the company’s operational facts and business arrangements.

Profits may be exempt if sourced outside Hong Kong, subject to IRD assessment.

Typical documentation that may be requested includes:

• Contracts And Commercial Agreements
• Records Of Business Operations And Service Delivery
• Evidence Of Decision-Making Locations
• Supporting Financial And Operational Records

Maintaining clear documentation and demonstrating the location of business activities are therefore important for companies seeking to establish that certain income does not arise in Hong Kong.

(Hong Kong Inland Revenue Department – Territorial Source Principle of Taxation)

Annual Audit Requirement for Hong Kong Companies

Under the Hong Kong Companies Ordinance (Cap.622), companies are required to prepare audited financial statements annually.

Key requirements include:

• Maintaining proper accounting records
• Preparing financial statements in accordance with applicable accounting standards
• Having those financial statements audited by a certified public accountant in Hong Kong

Audited accounts are typically required when filing the company’s profits tax return with the Inland Revenue Department.

This requirement applies even if a company has limited business activity during the financial year.

Why Understanding the “Effective Tax Reality” Matters

Although Hong Kong’s tax framework is widely recognised for its clarity and territorial principles, the actual tax outcome for each company depends on operational facts and compliance practices.

Actual tax outcomes in Hong Kong depend on a company’s operations and compliance practices.

Key factors influencing effective tax exposure include:

• where business activities are conducted
• how revenue is generated
• accounting records and documentation
• compliance with statutory reporting obligations

For companies operating internationally, maintaining clear documentation and structured governance can help support accurate tax reporting and audit readiness.

Key Takeaways

Hong Kong’s reputation as a Tier-1 business hub continues to be supported by several structural advantages:

• international recognition as a leading global financial centre
• a common law legal system familiar to global businesses
• corporate governance standards established under the Companies Ordinance
• strong international connectivity and trade networks
• a well-developed professional services ecosystem

These factors collectively reinforce Hong Kong’s credibility as a jurisdiction used by companies managing regional and international business operations.

Conclusion

Hong Kong remains one of Asia’s most established international business hubs, supported by a transparent regulatory framework, strong legal foundations, and long-standing global connectivity.

Companies operating in or expanding into Asia frequently consider Hong Kong as part of their regional strategy due to its structured corporate governance system and internationally recognised business environment.

Understanding the jurisdiction’s regulatory framework and compliance expectations allows businesses to operate effectively while maintaining alignment with Hong Kong’s statutory requirements.