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Andi Refandi
Andi serves as a Senior Account Executive on Emerhub’s global team.
Financial audits play a crucial role in maintaining the integrity and transparency of businesses in Thailand. Understanding financial audits can help you ensure compliance, enhance your financial health, and make informed business decisions.
In this article, we will walk you through all the essentials of financial audits in Thailand. We will cover key tax compliance regulations, how to prepare financial statements, and everything you need to prepare for an audit.
An Overview of Tax Compliance in Thailand
Thailand operates a self-assessment tax system where companies are responsible for accurately calculating and reporting their tax liabilities. This system emphasizes the importance of maintaining proper accounting records and compliance with applicable standards.
Under the Accounting Act of 2000 (B.E. 2543), all entities operating in Thailand are required to prepare, submit, and retain financial statements that accurately reflect their financial position and performance. Financial statements are then audited by independent Certified Public Accountants (CPAs) at the end of the fiscal year.
The Revenue Code requires that you submit audited financial statements along with your corporate income tax returns. The Thai Revenue Department will then review your submitted financial statements during tax assessments. If discrepancies are found, it can lead to further audits and adjustments in your tax liabilities.
How to prepare a financial statement for an audit?
Financial statements are formal records that outline the financial activities of your business. It serves as the primary document for auditors to evaluate your company’s financial health. Furthermore, financial statements serve as an audit trail that accountants can follow to verify transactions and assess compliance with accounting standards.
Your company’s financial statements play a crucial role in the financial audit process. It serves as a summary of your company’s financial performance within a given period. Here’s how a financial statement is prepared:
- Financial Data Collection – collect all relevant data for the accounting period such as:
- Revenue and sales records
- Expense receipts and invoices
- Payroll records
- Bank statements
- Previous financial statements for comparison
- Prepare Financial Statements – Draft the following key components of the financial statements:
- Balance Sheet – Shows your assets, liabilities, and equity at a specific point in time.
- Profit and Loss Statement – Summarizes revenues, costs, and expenses during a specific period.
- Cash Flow Statement – Provides insights into cash inflows and outflows.
- Statement of Changes in Equity – Reflects changes in ownership interest over time.
- Notes to the Financial Statements – additional context, accounting policies, and disclosures required by Thai Financial Reporting Standards (TFRS).
- Ensure Compliance with Accounting Standards – Verify that your financial statements comply with TFRS, which aligns closely with International Financial Reporting Standards (IFRS). This includes ensuring proper recognition, measurement, and presentation of financial information.
- Translation Requirements – If your company operates internationally and uses a foreign language for its documents, ensure that all financial statements are translated into Thai.
With Emerhub’s Tax and Accounting Service, we can help prepare all the necessary documentation including your balance sheet, profit and loss statement, and cash flow statement. We also liaise with external auditors to implement any necessary adjustments to your financial statements to make sure it’s audit-ready.
Key Framework for Financial Audits in Thailand
What is a Financial Audit?
Under the Accounting Act of 2000 and the Thai Revenue Code, all registered companies must undergo annual audits regardless of transaction volume. It serves to verify the accuracy of your financial statements, ensure compliance with the Thai Revenue Department, and maintain transparency with your stakeholders. This regulation imposes fines up to THB200,000 and criminal penalties for falsifying financial information.
Financial audits in Thailand are conducted annually for all registered legal entities, regardless of whether or not they conducted any business transaction during the year. Even dormant companies are subject to financial audits.
Companies must submit the audited financial statements to the Ministry of Commerce within 150 days after the end of the fiscal year. For most companies, this means that if their fiscal year ends on December 31, the audit report must be filed by May 31 of the following year.
Financial Audit Process in Thailand
After preparing your financial statements, CPAs or audit firms registered with the Federation of Accounting Professions (TFAC) will conduct the audit process. The auditor must be independent and not have any conflict of interest with your company. Here’s how the audit process works:
- Audit Planning – The auditor will plan the audit process, which includes understanding the company’s operations, assessing risks, and determining the scope of the audit.
- Fieldwork – involves examining financial records, testing transactions, and assessing internal controls. This may include verifying assets and liabilities against supporting documentation.
- Audit Opinion – Upon completion of the audit, the auditor issues an audit report, providing an opinion on whether the financial statements present a true and fair view of the company’s financial position and comply with applicable accounting standards.
After the audit is completed, your company’s shareholders will go through the audited financial statements at an Annual General Meeting (AGM). The AGM must be held within four months after the end of the fiscal year (typically by the end of April for companies with a fiscal year ending December 31). The audited financial statements must be submitted according to the timeline set by the Ministry of Commerce.
To expedite this process, Emerhub can connect you with experienced CPAs and conduct pre-audit assessments to identify potential issues and prepare annual reports for your company. We can provide tax compliance support to align financial statements with tax obligations, and leverage technology for efficient document management.
Talk to our compliance experts in Thailand by filling out the form below!
FAQ About Financial Audits in Thailand
There are severe consequences for companies that fail to conduct annual financial audits. Under the Accounting Act of 2000 (B.E. 2543), fines can be up to up to THB200,000. Failing to submit the required audited financial statements is considered a criminal offense, which can lead to further legal repercussions.
On top of that, the absence of an audit can increase the risk of errors and fraud within the company’s financial reporting, leading to potential financial mismanagement and loss of stakeholder trust.
Foreign investors can ensure compliance with Thai audit regulations by following these tips:
- Engage a licensed CPA or audit firm registered with the TFAC to conduct the audit. This is crucial for ensuring that the audit meets local standards and regulations.
- Keep comprehensive accounting records for at least five years, as required by law, to facilitate audits and tax filings.
- Submit audited financial statements to the Ministry of Commerce within 150 days after the end of the fiscal year. This is essential for maintaining compliance and avoiding penalties.
- Foreign companies must report their global income on a self-assessment basis, submitting relevant forms and supporting documents for tax purposes.
- Ensure that financial statements are prepared in accordance with TFRS or IIFRS, as applicable. If statements are prepared in a language other than Thai, a Thai translation must be attached.
- Regularly review any updates to regulations or compliance requirements to ensure ongoing adherence to Thai laws.
The cost of a financial audit in Thailand can depend on various factors including the size of the company, the complexity of your financial transactions, and the amount of work required by the auditor.
For instance, if a company’s bookkeeping is well-organized and up-to-date, the audit process may be quicker and less expensive. Conversely, companies with numerous discrepancies or complex financial situations may incur higher costs due to the additional time and effort required from auditors. Larger companies or those listed on the Stock Exchange of Thailand often pay significantly higher fees, with some audit fees reaching into the millions of THB.


