In this course · 3 of 6
Course 6
Get ready for the auditor
6 lessons · 7 min
- 1Must directors give the auditor information, and what if they refuse?
- 2What does a statutory audit involve, step by step?
- 3How long does an audit take in Hong Kong?
- 4What documents will the auditor ask my Hong Kong company for?
- 5How much does a Hong Kong company audit cost, and what affects the fee?
- 6What is the difference between an audit, a review and a compilation?

The short answer
There is no legal time limit for an audit in Hong Kong. A small company with tidy records may take a few weeks from the day the auditor has everything, but late or missing records, stock, groups and queries add time. The legal limits are the filing and tax deadlines.
No law or regulator sets how long an audit takes. The points below are practical.
What drives the timeline
- Readiness of records. Complete bookkeeping, reconciled bank accounts and a closing trial balance before fieldwork save the most time.
- Third-party replies. Bank and other confirmations rely on outside parties.
- Complexity. Stock counts, fixed assets, related-party transactions, foreign currency or a group structure.
- Prior-year issues. Open points carried forward.
- Auditor's scheduling. Many Hong Kong companies share December and March year-ends (codes D and M in IRD's Block Extension Scheme), so firms are busiest around the tax filing seasons.
Deadlines to plan back from
- Companies Ordinance: for a private company not a subsidiary of a public company, financial statements must be laid and sent to members within nine months after the accounting reference period ends (s.431).
- IRD: the profits tax return due date depends on the year-end code and whether a tax representative has a block extension. For the 2025/26 return, the extended paper filing dates became 31 August 2026 (code D) and 30 November 2026 (code M) after two later IRD circulars; see the tax answer.
Tip Agree a timetable in writing at engagement: when the records will be delivered, when the auditor will start, and the target report date.
Legal basis and sources
The law
- Companies Ordinance (Cap. 622), s.431
Official sources
- Companies Ordinance (Cap. 622), s.431 – e-Legislation
- Companies Ordinance (Cap. 622) – full text, Companies Registry
- IRD circular letter on the Block Extension Scheme for 2025/26 tax returns
- IRD circular letter: extended due date for D code returns (14 July 2026)
- IRD circular letter: extended due date for M code returns (20 October 2026)
General information for business owners, not legal, tax or professional advice. Rules change, so check the sources or ask a licensed professional before you act.
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