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Statutory Audit

Statutory Audit

The annual financial statements of a Thai limited company must be audited, with an opinion, by a licensed auditor (CPA) before they go to the shareholders’ meeting and are filed with the Department of Business Development (DBD). MMN audits SMEs and non-listed companies, aiming for a clear, on-time process and findings you can actually use to improve the business.

The basics

What is a statutory audit?

A licensed auditor examines the financial statements under auditing standards and gives an opinion on whether they present fairly, in all material respects, the financial position and results under the financial reporting standards that apply to the entity. The auditor’s report is a required part of the financial-statement filing with the DBD.

Partnerships and other entity types may be subject to different rules — please check your case with the MMN team.

Scope of MMN’s audit work
  • MMN audits non-listed companies — for example SMEs, family businesses and group subsidiaries.
  • Audits of listed companies, or of companies applying to list, must be performed by an SEC-approved auditor. In those cases MMN works with partner audit firms and can support the company as its IPO-readiness advisor.
  • An auditor must be independent under the professional code of ethics. MMN applies the applicable independence prohibitions and evaluates threats and safeguards; services are not combined where prohibited or where threats cannot be reduced to an acceptable level.
IPO readiness advisory →
Who it’s for

Companies that need financial statements people can rely on

SMEs & family businesses

Limited companies that want an annual auditor who understands the business, communicates clearly and plans the work around the shareholders’ meeting deadline.

Foreign-owned companies & group subsidiaries

Companies that report to shareholders or a parent company and need audited financial statements on schedule.

Foreign company guide →

Growing companies

Companies that use audited financial statements with banks, investors or regulators and want to raise the quality of their accounting information.

Growth Accounting →
What’s included

How MMN can help

01

Annual statutory audit

An audit and opinion on the annual financial statements by a licensed auditor, for the shareholders’ meeting and the DBD filing.

02

Interim reviews

Reviews of interim financial statements when shareholders, a parent company or other users need reviewed information.

03

Agreed-upon procedures

Specific procedures on an agreed scope — for example particular transactions or balances where users want extra comfort.

04

Internal control observations

Where applicable, a summary of internal control observations noted during the audit, with recommendations management can act on.

Internal audit →
How we work

From planning to the auditor’s report

1

Planning

Understand the business and its risks, set the audit approach, and agree the timetable and document list.

2

Fieldwork

Test transactions and balances, send confirmations and attend stock counts where relevant.

3

Findings & discussion

Discuss proposed adjustments and observations with management before reporting, so there are no surprises.

4

Reporting

Issue the auditor’s report, ready for the shareholders’ meeting and the DBD filing, with a management letter on internal-control observations where applicable.

What you prepare

Documents that keep the audit moving

The list below is a general example; the MMN team will send a list tailored to your business at the planning stage.

  • Trial balance and general ledger at the year-end
  • Bank statements and bank reconciliations
  • Fixed-asset register and depreciation schedules
  • Receivable, payable and inventory listings, including count results
  • Key contracts, meeting minutes and the company affidavit
  • Tax returns filed during the year, such as PP.30, PND.1, PND.3, PND.53 and PND.51
Timeline

From year-end to filing

Year-end

Close the books & count

Close the year, count inventory and assets, and prepare the agreed documents.

Within 4 months

Shareholders approve the statements

Audited financial statements must go to the shareholders’ meeting for approval within 4 months of the year-end, so the audit should be finished before then.

Within 150 days

File PND.50

File the annual corporate income tax return within 150 days of the year-end.

Within 1 month of approval

File with the DBD

File the financial statements with the DBD within 1 month of the date the shareholders’ meeting approves them.

See the tax calendar →

Frequently asked questions

Does every limited company need its financial statements audited?

Yes. A limited company’s annual financial statements must be audited, with an opinion, by a licensed auditor before they are approved by the shareholders’ meeting and filed with the DBD. Partnerships and other entity types may be subject to different rules — please check your case with the MMN team.

How long does an audit take?

It depends on the size and complexity of the business and how ready the accounting records are. Plan before the year-end so the audit can be completed ahead of the shareholders’ meeting, which must be held within 4 months of the year-end.

Can MMN audit a listed company or a company preparing to list?

MMN audits non-listed companies. Audits of listed companies, and of the financial statements used for a listing application, must be performed by an SEC-approved auditor — in those cases MMN works with partner audit firms and can support the company as its IPO-readiness advisor.

Can MMN both keep our books and audit them?

An auditor must be independent under the professional code of ethics. MMN applies the applicable independence prohibitions and evaluates threats and safeguards; services are not combined where prohibited or where threats cannot be reduced to an acceptable level.

Plan this year’s audit now

Tell us about your business, your year-end and your shareholders’ meeting date, and we will help plan an audit that finishes on time.

Book a meeting

This page is general information for education only — not professional advice for any specific case. Laws and deadlines may change; please check the current requirements with the DBD and the Revenue Department, or consult MMN before acting.