Tax saved by the two-tier regime against a flat single rate on the whole profit.
Tax saved by two tiers
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Two-tier tax
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Flat single rate
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Maximum possible saving
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Flat rate used
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Your breakdown
Updates live as you typeWhat the two-tier regime actually does
Hong Kong taxes business profits under a two-tiered scale. The first $2,000,000 of assessable profits is charged at a lower rate, and everything above that at the standard upper rate. For a company the rates this calculator applies are 8.25 percent on the first tier and 16.5 percent above it. For an unincorporated business, a sole proprietorship or partnership, the rates are 7.5 percent and 15 percent. This tool measures the benefit by comparing the two-tier bill against a flat charge at the upper rate on the whole profit, which is what a business would pay without the concession. Treat the rates as the figures the calculator models and confirm the current ones with the Inland Revenue Department, since they can move at any Budget.
Why the saving stops growing
Here is the feature most people miss. The discount only ever applies to the first $2,000,000 of profit, so the maximum saving is fixed: it is $2,000,000 multiplied by the gap between the two rates. For a company the gap is 16.5 less 8.25, which is 8.25 percent, giving a ceiling of $165,000. For an unincorporated business the gap is 7.5 percent, giving $150,000. Once your profits pass $2,000,000 you have already captured the entire benefit. Earning more does not add a cent of further saving, because every extra dollar is taxed at the upper rate under both the two-tier and the flat method.
A company on $3 million of profit
Take a company with $3,000,000 of assessable profits. The first $2,000,000 is taxed at 8.25 percent, which is $165,000. The remaining $1,000,000 is taxed at 16.5 percent, which is $165,000, for a two-tier bill of $330,000. A flat 16.5 percent on the full $3,000,000 would be $495,000. The saving is $165,000, which is exactly the ceiling. The business is already getting the most the regime can give.
The chart shows the saving rising in step with profits until $2,000,000, then flattening into a permanent ceiling.
The connected-entity rule that catches groups
The lower rate is not free for the taking across a corporate family. Where a business is one of several connected entities, only one of them may elect the two-tier rates in a year of assessment. The rest are taxed at the upper rate on all their profits. Connection turns on common control, so two companies owned by the same person are caught. Groups should nominate the entity with the most profit sitting in the first $2,000,000 band, since that is where the saving is captured. Picking the wrong entity can quietly forfeit most of the $165,000.
What this tax does and does not reach
Profits tax applies to income from a trade, profession or business carried on in Hong Kong, on profits arising in or derived from the territory. It does not touch capital gains, which Hong Kong does not tax at all, so a genuine one-off sale of a capital asset usually falls outside the charge. There is no value-added tax or sales tax to layer on top, and dividends a company receives are generally not taxable either. That narrow base is a large part of why effective business tax in Hong Kong stays low, but the line between a taxable trading profit and a non-taxable capital gain is heavily litigated, so document the intention behind any major asset sale.
Is the saving the same for a sole proprietor?
The structure is the same but the numbers differ. An unincorporated business gets 7.5 percent on the first $2,000,000 instead of 15 percent, so the rate gap is 7.5 percent and the maximum saving is $150,000 rather than the $165,000 a company enjoys. Switch the entity type in the tool to see your figure.
Do I need to apply for the lower rate?
You elect it in the profits tax return. For a single standalone business the election is straightforward. For connected entities you must also confirm which one is claiming, because the others lose the benefit. Keep the nomination consistent with how you file across the group.
Does a loss-making year affect future savings?
Profits tax allows losses to be carried forward and set against future assessable profits, with no time limit under current rules. That can reduce the profit that reaches the first tier in a later year, which in turn reduces the two-tier saving that year, so the benefit is best read one year of assessment at a time.