Compliance FAQ Statutory Due Diligence Brief Published: · 18 min read

Hong Kong Company Statutory Audit Guide: Cap. 622 CPA Audit Requirements, Accounting Checklist & 4 Audit Opinions (2026)

Under Section 405 of the Hong Kong Companies Ordinance (Cap. 622) and the Inland Revenue Ordinance (Cap. 112), every Hong Kong limited company (unless legally dormant) must appoint a Hong Kong Certified Public Accountant (Practising) to conduct an annual statutory audit. This guide for business owners, CFOs, and accountants details the audit workflow, ASD010 bank confirmations, document checklists, and the impact of the 4 CPA audit opinions.

Cap. 622 s.405
Statutory Audit Mandate for Active Limited Companies
Mandatory unless registered as Statutory Dormant (Form ND4)
Verified against HK Statutory Ordinances & Official Guidelines
HK$200M / 100M
Revenue & Asset Thresholds for SME-FRF Reporting Exemption
Exempts eligible SMEs from complex fair-value & cash flow disclosures
Verified against HK Statutory Ordinances & Official Guidelines
4 Opinion Types
Unqualified / Qualified / Disclaimer / Adverse Opinions
Directly impacts IRD tax queries and banking credit renewals
Verified against HK Statutory Ordinances & Official Guidelines
18 Months
Maximum First Accounting Reference Period for New Entities
From incorporation date to the first financial year-end cut-off
Verified against HK Statutory Ordinances & Official Guidelines
✓Licensed TCSP Institutional Review & Statutory Source Provenance
Verification Date: 2026-10-24
Lead Author: Min Liu(10+ Years HK Corporate Secretarial, Tax & Cross-Border Compliance Experience)
Peer Review: Echo Xu (Senior Cross-Border Tax & Audit Advisor) & HC Risk Control Committee (Licensed TCSP: TC006431)
Statutory Basis: Hong Kong Companies Ordinance (Cap. 622), Inland Revenue Ordinance (Cap. 112) & Business Registration Ordinance (Cap. 310)
Authorities: Companies Registry (CR), Inland Revenue Department (IRD), Hong Kong Monetary Authority (HKMA)
[Institutional Compliance Stance] Compiled by HC BUSINESS LIMITED (Licensed TCSP No.: TC006431) in strict accordance with Hong Kong legislation to assist company owners, CFOs, and corporate staff in maintaining full statutory compliance.
Executive Compliance Summary & Direct Statutory Answer

In cross-border corporate administration, business owners and finance teams frequently confuse a Hong Kong company's Statutory Financial Statement Audit (colloquially known in Hong Kong as "hak-so" / 核數) with its Companies Registry Annual Return (Form NAR1). Pursuant to Sections 379 and 405 of the Hong Kong Companies Ordinance (Cap. 622), every private company limited by shares or guarantee incorporated in Hong Kong—regardless of whether it generated revenue, operated exclusively offshore, or recorded a net loss—must prepare annual financial statements in accordance with Hong Kong Financial Reporting Standards (HKFRS or SME-FRF) and appoint an independent Certified Public Accountant (Practising) [CPA] registered under the Accounting and Financial Reporting Council Ordinance (Cap. 588) to issue an Independent Auditor's Report.

Since the Inland Revenue Department (IRD) abolished informal "nil-filing without financial statements" tolerances, every live corporation receiving a Profits Tax Return (Form BIR51) must attach audited financial statements and a statutory tax computation. Written for company directors (who bear statutory liability under Cap. 622 for approving accounts), finance and accounting teams (who assemble vouchers and coordinate audit sampling), and compliance officers (who verify CPA credentials and manage bank credit reviews), this guide breaks down the complete Hong Kong statutory audit process.

1. Why Every HK Limited Company Needs an Annual Statutory Audit under Cap. 622 s.405

Clarifying directors' statutory obligations under the Companies Ordinance and Inland Revenue Ordinance, and distinguishing "No Operation" from "Statutory Dormant"

Corporate governance in Hong Kong relies heavily on independent statutory assurance. Under Section 379 of the Companies Ordinance (Cap. 622), company directors must prepare financial statements for each financial year that give a true and fair view of the company's financial position and financial performance. Under Section 429, directors must lay the audited financial statements, the Directors' Report, and the Auditor's Report before the company in its Annual General Meeting (AGM) or circulate them to all shareholders.

A frequent compliance miscalculation among business owners and finance managers is conflating an "Inactive / No-Operation Company" with a "Statutory Dormant Company":

  • No-Operation Company (Dormant in fact, Active in law): A company that conducted no commercial transactions or has not opened a bank account, but has not filed a Special Resolution for Dormant Status (Form ND4) with the Companies Registry. Legally, it remains a live, active corporation and must appoint a Hong Kong CPA (Practising) to issue a "No-Activity / Nil-Operation Audit Report" to accompany its Form BIR51 tax return.
  • Statutory Dormant Company (Cap. 622 Sections 5 & 447): A company that has passed a shareholders' special resolution declaring dormancy and delivered Form ND4 to the Companies Registry for registration. Only during the statutory dormant period—and provided zero "relevant accounting transactions" occur—is the company legally exempted from preparing audited financial statements. Any commercial bank receipt or non-statutory payment immediately terminates this exemption.
Director & CFO Compliance Note

How to Choose the First Accounting Reference Date for a Newly Incorporated HK Company?

Under Sections 368 to 371 of Cap. 622, a new Hong Kong company's first financial year begins on its Incorporation Date and ends on a primary accounting reference date determined by the directors within 18 months of incorporation. In practice, finance teams overwhelmingly choose either 31 March (aligning with the HKSAR Government fiscal year and IR56B Employer's Return cycle, unlocking the D-Code Block Extension until 15 November) or 31 December (synchronizing with Mainland or international parent group consolidation calendars, unlocking the M-Code extension until 15 August).

2. Finance Department Annual Audit Checklist: Bank Statements, Trade Contracts & Ledgers

How cashiers and accountants should organize monthly records to pass CPA walkthrough and cut-off testing smoothly

Hong Kong auditing standards emphasize substance over form and a verifiable audit trail. When your finance department submits bookkeeping files to a Hong Kong CPA (Practising), the auditor performs both substantive vouching and cut-off testing across revenue, cost of sales, and balance sheet balances. To prevent audit scope limitations, accounting staff should organize monthly folders across four statutory categories:

Document CategoryRequired Supporting VouchersCPA Audit Verification FocusConsequence of Missing Records
1. Banking & Cash RecordsAll 12 monthly Bank Statements (covering HKD, USD, CNY, and time-deposit sub-accounts), credit/debit advices, and signed Bank Confirmation authorizationReconciling opening/closing ledger balances 100% against official bank statements; screening for unrecorded bank accountsMissing monthly bank statements or undisclosed accounts directly trigger a Qualified or Disclaimer of Opinion
2. Revenue & Trade LoopSales contracts/Purchase Orders (PO), official Invoices issued to customers, Packing Lists, Bills of Lading (B/L), Air Waybills, or service acceptance sign-offsVerifying revenue recognition cut-off; for offshore tax exemption claims, B/Ls and negotiation emails are critical proof of non-HK performanceBank receipts lacking matching contracts and invoices raise revenue authenticity concerns and AML review flags
3. Purchases & Operating ExpensesSupplier contracts, supplier invoices, payment slips, stamped tenancy agreements, HK employment contracts, MPF contribution statements, and Form IR56B copiesTesting deductibility under Section 16 of Cap. 112 (incurred in the production of chargeable profits); screening out personal shareholder expensesUnsupported expenses are added back as non-deductible items in the statutory Profits Tax Computation
4. Related Parties & Long-Term AssetsAudited accounts of subsidiaries (if any), fixed asset purchase invoices, year-end Stocktake Reports, and Director's Current Account agreementsScrutinizing movements in "Amount Due from/to a Director"; assessing whether subsidiary holdings require Consolidated Financial StatementsUnexplained large balances due from directors may prompt IRD queries regarding deemed interest income

Practical Tip for Corporate Accountants: Do not wait until the BIR51 tax return arrives in April to reconstruct 12 months of vouchers. Download official PDF bank statements from HSBC, BOCHK, OCBC, or licensed virtual banks before the 5th of each month and cross-reference every debit/credit advice with its underlying invoice. Exporting a balanced Trial Balance, General Ledger, and AR/AP Aging Report from Xero, QuickBooks, or ERP systems reduces CPA audit turnaround time by roughly 40%.

3. Understanding the 4 CPA Audit Opinions: Unqualified, Qualified, Disclaimer & Adverse

Essential reading for company owners before signing financial statements: How audit opinions impact IRD tax assessments and banking credit lines

Upon completing statutory audit procedures under Hong Kong Standards on Auditing (HKSA 700 / 705), the CPA issues one of four statutory audit opinions. Business owners should carefully review the opinion type before signing the balance sheet, as both the Inland Revenue Department and commercial banks scrutinize the auditor's conclusion:

Statutory Audit Opinion TypeTypical Accounting TriggersImpact on IRD Profits Tax AssessmentImpact on Corporate Bank Accounts & Credit
1. Unqualified Opinion
(Clean Opinion)
Complete accounting trails, full bank and contract reconciliation, and compliance with HKFRS / SME-FRF without material misstatementIRD Assessors generally accept the tax computation as filed without issuing routine audit enquiry lettersSatisfies Ongoing Due Diligence (ODD) and annual trade finance/loan facility renewals at major HK banks
2. Qualified Opinion
(Except-For Opinion)
Isolated scope limitation or misstatement (e.g., no physical observation of year-end inventory, unverified specific receivable balances) that is not pervasiveIRD frequently issues written enquiries specifically targeting the qualified item (e.g., inventory write-downs or bad debt claims)Standard operating accounts remain unaffected, though credit underwriting teams may request management explanations
3. Disclaimer of Opinion
(Severe Scope Limitation)
Pervasive inability to obtain sufficient audit evidence (e.g., missing bank statements, complete absence of trade contracts/invoices, un-consolidated material subsidiaries)High Tax Risk: IRD Assessors may reject reported figures and raise an Estimated Assessment under Section 59(2)(b) of Cap. 112Severe AML Alert: Bank compliance teams reviewing a Disclaimer report often question transaction transparency and may restrict account services
4. Adverse Opinion
(Material Misstatement)
Pervasive material misstatement or departure from accounting standards where management refuses corrective audit adjustmentsTriggers immediate scrutiny or referral to the IRD Field Audit and Investigation UnitImmediate suspension of banking credit facilities and account exit procedures

4. Statutory Verification Case Studies: Share Allotments (NSC1) & Director Mandates (ND2A)

How Hong Kong CPAs cross-verify paid-up share capital and director signing authority against official Companies Registry filings

During an independent statutory audit, a Hong Kong CPA does not rely solely on internal management representations. The auditor performs a mandatory Statutory Search Verification against the public register of the Companies Registry (CR) to confirm that the Issued Share Capital, Registered Charges, and Current Directors signing the Statement of Financial Position match official statutory filings.

The table below illustrates how corporate finance teams and auditors cross-check statutory documents using 3 real Hong Kong corporations synchronized in the 86HC registry database (complete with authentic 11-digit ICRIS barcodes):

HK Corporation & Statutory Nos.Relevant Statutory FilingFiling Date & ICRIS BarcodeCPA Audit Working Paper Verification & Accounting Treatment
Airwallex (Hong Kong) Limited
云汇(香港)有限公司
CR No.: 2341692 | BRN: 65827229
Return of Allotment (Form NSC1)
Annual Return (Form NAR1)
2026-01-23 (23002555648)
2026-01-13 (70005515351)
When capital is injected during the year, the finance team must provide both the bank credit advice and the filed Form NSC1 (e.g., Barcode 23002555648). Funds received from shareholders without a registered Form NSC1 must be booked as "Amount Due to a Shareholder/Director" rather than "Issued Share Capital."
TAIZOOM ELEVATOR COMPANY (H.K.) LIMITED
台日电梯(香港)有限公司
CR No.: 1021746 | BRN: 36416366
Annual Return (Form NAR1)
Change of Director (Form ND2A)
2026-01-22 (22802928026)
2026-01-22 (22802928027)
Under Section 387 of Cap. 622, the Statement of Financial Position must be approved by the Board and signed by current directors. If board changes occurred during the year, the auditor checks Form ND2A (e.g., Barcode 22802928027) to verify that the signatories held valid office on the signing date.
Pujiang Hong Kong Limited
浦江香港有限公司
CR No.: 3715428 | BRN: 79720233
Incorporation Form (Form NNC1)
Certificate of Incorporation (CI)
2026-01-30 (23002564213)
2026-01-30 (40025610371)
For a first-year audit, the CPA inspects Form NNC1 (Barcode 23002564213) to verify the initial founder share subscription currency, amount, and paid-up status. Any unpaid founder capital is recorded as "Amount Due from Shareholders."

5. Standard Bank Confirmation (Form ASD010) & SME-FRF Reporting Exemption Rules

Why auditors dispatch bank confirmations to HSBC/BOCHK and how eligible SMEs legally simplify financial reporting

During fieldwork, business owners and finance managers frequently encounter two technical audit procedures: the Standard Bank Confirmation Request (Form ASD010) and the election of the SME Financial Reporting Framework (SME-FRF & SME-FRS):

1. Bank Confirmation (Form ASD010): Independent Verification of Cash & Contingent Liabilities

Under auditing guidelines jointly established by the Hong Kong Association of Banks (HKAB) and the Hong Kong Institute of Certified Public Accountants (HKICPA), auditors do not rely solely on PDF statements provided by management. The CPA dispatches a standardized Bank Confirmation (Form ASD010) directly to the company's relationship banks to confirm year-end account balances, credit facilities, pledged collaterals, and contingent guarantees.

  • Action Required from Finance & Directors: An authorized bank signatory must sign the bank confirmation authorization letter matching the bank's stored signature mandate, and ensure the primary HKD account maintains sufficient funds to cover the bank's official confirmation handling fee (major Hong Kong commercial banks typically charge around HKD 300 to HKD 450 per confirmation request according to their official Tariff Guide).

2. Leveraging the SME-FRF & SME-FRS: Exemption from Cash Flow & Consolidated Statements

Not every Hong Kong company is required to apply the complex Full HKFRS framework. Under Section 359 and Schedule 3 of the Companies Ordinance (Cap. 622), private companies qualifying for the Reporting Exemption may adopt the streamlined Small and Medium-sized Entity Financial Reporting Standard (SME-FRS):

  • Small Private Company Qualification Thresholds: Meeting any two of the following three criteria in a financial year—(1) Total annual revenue not exceeding HKD 100 million (expanded to HKD 200 million for eligible private companies with 75% shareholder approval and zero objections); (2) Total assets at the balance sheet date not exceeding HKD 100 million (or HKD 200 million for eligible private companies); (3) Average number of employees not exceeding 100.
  • Three Practical Advantages of SME-FRS: (1) Exemption from preparing a Statement of Cash Flows; (2) Historical cost accounting without complex annual fair-value revaluations or deferred tax calculations; and (3) If the Hong Kong company holds subsidiaries and the group collectively meets the SME size thresholds (or obtains requisite shareholder approval), it can legally claim exemption from preparing Consolidated Financial Statements, issuing company-level audited accounts at significantly lower audit cost.

6. Common Statutory Audit Pitfalls & FAQs (Nil-Activity Audits, Fee Factors & Changing Auditors)

Q1: 1. Our Hong Kong company had zero bank transactions this year (or has not opened a bank account). Do we still need a statutory audit?
Yes. Unless the company has passed a special resolution and filed Form ND4 with the Companies Registry to become a statutory "Dormant Company," it remains a live corporation under Section 405 of Cap. 622. When the company receives a Profits Tax Return (Form BIR51), it must appoint a Hong Kong CPA (Practising) to issue a "No-Activity / Nil-Operation Audit Report". Because such an audit only covers minimal administrative accruals (such as company secretarial and Business Registration fees), the audit fee is substantially lower than an active trading audit, but the statutory audit requirement itself cannot be bypassed.
Q2: 2. How are Hong Kong statutory audit fees determined?
Hong Kong CPA firms do not charge contingent fees (which are strictly prohibited by HKICPA ethical codes); audit fees are determined objectively based on professional audit hours, transaction complexity, and engagement risk. Key determinants include: (1) Annual gross revenue and total asset size; (2) Monthly bank statement transaction volume and number of multi-currency accounts; (3) Presence of subsidiaries, related-party transactions, or offshore tax exemption claims; and (4) Quality of pre-audit bookkeeping (submitting a reconciled Trial Balance and General Ledger from accounting software significantly reduces CPA fieldwork hours compared to handing over raw, unorganized receipts).
Q3: 3. How can our compliance team verify whether an auditor holds a valid Hong Kong CPA (Practising) license?
You can verify the practitioner or firm directly on the official public registers maintained by the Accounting and Financial Reporting Council (AFRC) and the Hong Kong Institute of Certified Public Accountants (HKICPA). Note that non-practising CPA members or overseas accountants cannot legally sign a Hong Kong statutory Auditor's Report; the signatory must hold an active Practising Certificate, which is stated alongside the firm's registration details on the signed report.
Q4: 4. What is the statutory procedure for changing our Hong Kong company's auditor?
Changing auditors is governed by Sections 417 to 425 of the Companies Ordinance (Cap. 622) and HKICPA ethical standards: (1) Resignation & Statement of Circumstances: The outgoing auditor submits a written resignation letter accompanied by a statutory Statement of Circumstances (Section 424) confirming whether there are any matters that need to be brought to the attention of shareholders or creditors; (2) Registry Notification: The company notifies the Companies Registry within 15 days; and (3) Professional Clearance Letter: Before accepting the appointment, the incoming CPA must write to the outgoing auditor requesting professional clearance. Once the outgoing auditor replies confirming no professional objection, the new CPA can formally execute the audit Engagement Letter.

Official Statutory References & Primary Sources

  1. Hong Kong e-Legislation (HKeL): Companies Ordinance (Cap. 622) — Sections 379–436 (Financial Statements, Directors' Report & Audit) and Schedule 3.
  2. Hong Kong e-Legislation (HKeL): Inland Revenue Ordinance (Cap. 112) — Sections 14, 16, 51 & 51C (Profits Tax, Deductions & 7-Year Record Keeping).
  3. Companies Registry (CR) Official Circulars & Statutory Forms Guide (Forms NNC1, NAR1, ND2A, ND2B, NSC1, ND4).
  4. Inland Revenue Department (IRD) Departmental Interpretation and Practice Notes (DIPNs) & Official Tax Return Filing Guidelines.
  5. Accounting and Financial Reporting Council Ordinance (Cap. 588) & HKICPA Small and Medium-sized Entity Financial Reporting Framework and Financial Reporting Standard (SME-FRF & SME-FRS).
Statutory Action Path

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Min Liu
Min Liu Senior Corporate Secretarial & Statutory Compliance Consultant
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Over 10 years of professional practice in Hong Kong corporate secretarial services. Has handled Companies Registry (CR) and Inland Revenue Department (IRD) statutory filings for more than 10,000 corporations. Highly proficient in Hong Kong profits tax filing, statutory corporate governance, anti-money laundering (AML/CFT) compliance, and Significant Controllers Register (SCR) regimes.

Tenure: 10+ Years in Corporate Secretariat10,000+ Corporate Registry & Tax Filings HandledHC BUSINESS LIMITED (恒诚商务) · TCSP: TC006431
Statutory Compliance & Regulatory Notice

Regulatory Boundaries: The intelligence, regulatory analysis, and statutory filing guidelines provided in this article are synthesized from official statutory registries (including the Hong Kong Companies Registry, Inland Revenue Department, Securities and Futures Commission, and Official Receiver's Office) for risk due diligence and research purposes only. HC BUSINESS LIMITED is an independent corporate search and due diligence research firm, not a law firm or CPA practice. Nothing herein constitutes formal legal advice, judicial representation, or tax opinions. Where statutory certified true copies (CTC) or formal legal opinions are required, they are independently rendered by Hong Kong practising solicitors or independent certified public accountants (practising) under applicable regulatory frameworks.