Hong Kong company tax explained: rates, the territorial system and foreign income

Hong Kong has a reputation that precedes it: low taxes, simple rules, and a government that genuinely wants businesses to set up there. But reputation and reality can drift apart, especially after a wave of regulatory changes between 2023 and 2026. If you're forming a company in Hong Kong or already running one, you need to understand how the system actually works right now, not how it worked five years ago. This piece covers Hong Kong company tax rates, the territorial principle that underpins the whole regime, and the increasingly important rules around foreign-sourced income. Getting any of these wrong can turn a supposedly tax-efficient structure into a compliance headache.

The headline rates: 8.25% and 16.5%, and where the line falls

Hong Kong's profits tax operates on a two-tier system. The first HK$2 million of assessable profits is taxed at 8.25%, and anything above that threshold is taxed at 16.5%. These rates apply to corporations; unincorporated businesses pay slightly lower rates of 7.5% and 15% respectively. The two-tier concession is limited to one entity per group, so you can't split profits across multiple connected companies to multiply the benefit.

The 2026-27 Budget proposed a one-off reduction of 100% of profits tax, capped at HK$1,500 per case, which is modest but worth claiming. Beyond the headline rates, Hong Kong does not impose a surtax or alternative minimum tax on most businesses, though companies within scope of the OECD's Pillar Two framework face a different calculation (more on that shortly).

One thing that surprises people: the 16.5% rate is not particularly low by global standards anymore. Ireland charges 15%, and several Middle Eastern jurisdictions charge 9% or less. Hong Kong's real advantage isn't the rate itself but what falls within the tax base, which is where the territorial system comes in.

What Hong Kong does not tax: no VAT, no capital gains, no dividend withholding

Before getting into what is taxed, it helps to understand the taxes that simply don't exist in Hong Kong. There is no value-added tax or goods and services tax. There is no capital gains tax. There is no withholding tax on dividends paid to shareholders, regardless of where those shareholders are based. There is no estate duty. There is no tax on interest income earned by non-financial businesses.

This absence of taxes is not a loophole or an oversight. It is a deliberate policy choice that has been maintained for decades. For holding companies, this means dividends can flow from a Hong Kong subsidiary to a parent company without any withholding deduction, a significant advantage over jurisdictions like the UK (where no withholding applies either, but for different structural reasons) or Germany (where withholding can reach 26.375%).

The lack of capital gains tax also matters for companies holding appreciable assets, though recent legislation has introduced a disposal gain regime for certain intellectual property and equity interests under the foreign-sourced income exemption (FSIE) framework. So while domestic capital gains remain untaxed, the picture for offshore gains has become more nuanced.

The territorial principle, in plain terms

Hong Kong taxes profits that arise in or are derived from Hong Kong. Profits sourced elsewhere are not taxable, even if the company is incorporated and managed in Hong Kong. This is the territorial principle, and it is the single most important concept in Hong Kong corporate tax.

The test is not about where the company is registered or where its bank account sits. It is about where the profit-generating activities take place. If a Hong Kong company buys goods from a supplier in Vietnam and sells them to a buyer in Japan, and the negotiations, contracts, and key decisions all happen outside Hong Kong, those profits may be considered offshore-sourced and therefore not subject to profits tax.

But here's the catch: the Inland Revenue Department (IRD) does not simply take your word for it. The burden of proof sits with the taxpayer. You need to demonstrate, with documentation, that the operations producing the profit genuinely occurred outside Hong Kong. A company with all its staff, directors, and decision-making in Hong Kong will struggle to claim that its profits are offshore-sourced, regardless of where its customers are located.

The offshore profits claim: assessed, not automatic

A common misconception is that Hong Kong offshore companies are automatically exempt from profits tax. They are not. Every company incorporated in Hong Kong must file a profits tax return, and the IRD will issue an assessment. If you believe your profits are offshore-sourced, you must actively make an offshore claim and support it with evidence.

The IRD looks at several factors when evaluating these claims:

• Where contracts were negotiated and signed
• Where key business decisions were made
• Where goods or services were delivered or performed
• Where the company's employees carried out their work
• Where the company's operations were managed day-to-day

A company that exists only on paper in Hong Kong, with no local staff and no local operations, might seem like an obvious candidate for offshore treatment. But the IRD has become increasingly sceptical of shell-like arrangements, particularly since the FSIE regime tightened the rules. Companies working with providers like Cosmos to establish genuine operational substance tend to have a much stronger position when these claims are reviewed.

Getting the offshore claim wrong has real consequences. The IRD can reassess prior years, apply penalties, and charge interest on underpaid tax. If you're running a Hong Kong entity and relying on offshore status, professional advice is not optional: it's essential.

When foreign income is taxed: the FSIE rules

The biggest change to Hong Kong's tax system in recent years is the foreign-sourced income exemption regime, which took effect on 1 January 2023 and was expanded in 2024 and 2025. This regime was introduced under pressure from the EU, which had placed Hong Kong on its watchlist over concerns about double non-taxation.

Under the FSIE rules, four categories of foreign-sourced income received by a multinational enterprise (MNE) entity in Hong Kong are deemed taxable unless the company meets specific economic substance requirements:

• Dividends
• Interest
• Disposal gains (from shares and equity interests)
• Income from intellectual property

An MNE entity is broadly defined as any entity that is part of a group with at least one entity or permanent establishment in a different jurisdiction. This captures a wide range of businesses, not just large multinationals.

To claim exemption under the FSIE rules, a company must demonstrate that it has adequate economic substance in Hong Kong. This means having a sufficient number of qualified employees, incurring adequate operating expenditure, and making key decisions locally. The specific requirements vary depending on the type of income and whether the entity is a pure equity holding company (which faces a reduced substance test) or a trading entity.

The FSIE regime also interacts with the OECD's Pillar Two global minimum tax. Hong Kong introduced a domestic minimum top-up tax effective from 2025 for MNE groups with consolidated revenue of EUR 750 million or more, ensuring that profits are taxed at a minimum effective rate of 15%. For smaller businesses, this won't apply, but for larger groups using Hong Kong as a regional hub, it changes the maths significantly.

Cosmos works with companies navigating these FSIE requirements, helping ensure that substance arrangements, intercompany agreements, and documentation are structured properly before the IRD comes asking questions rather than after.

Filing, audit and deadlines in brief

Hong Kong's tax year runs from 1 April to 31 March. The IRD issues profits tax returns annually, typically in early April. The standard filing deadline is one month from the date of issue, but companies with accounting year-ends between December and March can obtain extensions, with the latest deadline typically falling in mid-November for companies with a 31 March year-end.

Every profits tax return must be accompanied by audited financial statements prepared by a certified public accountant. There is no exception to this rule, regardless of company size. Even a dormant company must file, though it can submit simplified accounts.

The 2025-26 individual and corporate tax season kicked off in May 2026, with returns issued to both individuals and corporations. Late filing attracts penalties, and the IRD has the power to estimate assessable profits and issue a determination if no return is submitted.

Key points to remember:

• First-year returns are typically issued 18 months after incorporation
• Provisional profits tax is payable in advance, based on the prior year's assessment
• Objections to assessments must be lodged within one month
• The IRD can go back six years for reassessments (or ten years in cases of fraud)

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Getting your Hong Kong tax position right

Hong Kong remains one of the most attractive jurisdictions for company formation, but the rules are no longer as simple as "set up a company, pay 16.5%, and ignore foreign income." The FSIE regime, Pillar Two, and the IRD's increasing scrutiny of offshore claims mean that companies need proper planning, genuine substance, and professional documentation from day one. The Hong Kong profits tax rate is competitive, but the real value lies in understanding what falls within the tax net and what doesn't, and making sure your structure holds up under examination. If you're considering a Hong Kong entity or reviewing an existing one, speak with a team like Cosmos that understands both the technical rules and the practical realities of operating in the territory.