Hong Kong taxes corporate profits on a two-tiered scale: 8.25% on the first HK$2 million of assessable profits and 16.5% above that. The lower rate looks generous, but it only applies to profits your accounts can prove, and every Hong Kong company needs audited financial statements before it can file its Profits Tax Return.
How the two-tiered rates work
A Hong Kong-incorporated company pays 8.25% on the first HK$2 million of assessable profits and 16.5% on the remainder. An unincorporated business, a sole proprietorship or partnership, pays 7.5% on the first HK$2 million and the standard 15% above it. The lower band is not a deduction or a credit. It is a rate that applies automatically to the qualifying slice of profit, and a group of connected entities can only nominate one member to use it, so a company with related businesses in Hong Kong should work out in advance which entity claims the lower tier.
Hong Kong also runs on a territorial basis. Profits Tax is charged only on profits arising in or derived from Hong Kong. Profits earned abroad are not taxed even when the money is brought back into Hong Kong, and there is no capital gains tax at all. For a small trading or services company, that territorial line often matters more to the final bill than the rate itself, because getting the sourcing analysis wrong can pull offshore income into the Hong Kong tax net or leave genuinely Hong Kong-sourced profit unreported.
Why the rate does not matter until the audit is done
Here is the part that catches founders moving from a jurisdiction with a small-company exemption: Hong Kong has none. Under the Companies Ordinance (Cap. 622), every Hong Kong company must have its annual financial statements audited by a Hong Kong-registered CPA (Practising), regardless of size, turnover or profitability. The only companies excused are dormant ones with no accounting transactions in the period.
That audit is not a formality that runs alongside the tax filing. It is a precondition for it. A company filing its Profits Tax Return, Form BIR51, must submit it together with audited financial statements, and the IRD wants a wet-ink signature or a properly signed copy attached, not a scan of a draft. If your books are not in a state a practising CPA can sign off on, the 8.25% rate on your first HK$2 million is theoretical. The return cannot go in until the audit is done, and a rushed audit close to the filing deadline tends to surface bookkeeping problems at the worst possible time.
What "audit-ready" actually means
Audit-ready books means the records a Hong Kong CPA needs are complete, reconciled and organised before the audit starts, not assembled during it. In practice that covers bank reconciliations current through the year end, a general ledger that ties to trial balance without unexplained journal entries, supporting documentation filed against every transaction, and a clean cut-off between the current and prior financial year. Getting to that state a month before your financial year closes, rather than scrambling once the auditor asks, is what shortens the audit and keeps the CPA's fee predictable.
Our Finbryn team keeps Hong Kong company books reconciled on that cadence throughout the year using Xero, QuickBooks Online or Zoho Books, so the handoff to your practising HK CPA is a review of current, tidy records rather than a reconstruction project. We prepare and maintain the books. The statutory audit itself, and the BIR51 filing that depends on it, sit with a practising Hong Kong CPA, and we work directly with the auditor your company appoints.
Provisional tax and the payment timeline
Hong Kong charges provisional profits tax in advance of the year it relates to, based on an estimate, and settles it against the final assessment once the actual figures are in. That provisional amount is payable in two instalments: 75% due alongside the final tax payment for the prior year, and the remaining 25% due roughly three months later. Because the provisional estimate is based on the prior year's profits, a company whose profits are growing quickly can end up under-provisioned, and one whose profits have dropped can apply to have the provisional charge reduced. Either way, the estimate only holds up if the underlying books are current enough to support it.
Building this into a monthly routine
The founders who handle Hong Kong profits tax with the least stress are the ones who never treat it as a year-end event. Monthly reconciliation, a running check against the HK$2 million threshold for planning purposes, and a clear file structure for supporting documents turn the annual audit into a review of work already done. See how our process works for the monthly cadence we run, and get in touch if you want a straight answer on what your current books would need before an auditor could sign off on them.
FAQ
Does the 8.25% rate apply automatically, or do I need to elect for it?
It applies automatically to the first HK$2 million of assessable profits for a qualifying entity. A group of connected companies can only have one member benefit from the lower tier, so related entities need to agree in advance which one claims it.
Can I file my Profits Tax Return before the audit is finished?
No. Form BIR51 must be filed together with audited financial statements bearing a signature. Without a completed audit by a practising Hong Kong CPA, the return cannot be submitted.
Is there a small-company exemption from the annual audit in Hong Kong?
No. Under the Companies Ordinance (Cap. 622), every active Hong Kong company must have its accounts audited annually regardless of size or turnover, with dormant companies the only exception.
Does Finbryn perform the statutory audit?
No. We prepare and maintain audit-ready books through senior principal review, and hand those records to the practising Hong Kong CPA your company appoints, who performs the audit and signs the financial statements.
This article is general tax information, not preparation support tailored to your specific situation.
Sources
- profits tax
- Hong Kong
- audit
- BIR51