Annual Accounts in Thailand
Prepare annual accounts in Thailand: close the books, identify the reporting framework, coordinate audit and approval, distinguish DBD from tax deadlines, and retain accepted filing evidence.

Annual accounts in Thailand: preparation and filing
Plan the year-end as a sequence: close the books, prepare statements, complete any required audit, obtain valid approval, then make and verify each filing. For a private limited company, approval and DBD submission follow different deadlines from the annual corporate tax return.
Find what you need
Use a section below to plan your next step.
What annual accounts cover
Annual accounts turn the year’s bookkeeping into financial statements prepared under the reporting framework that applies to the entity. They are different from a management spreadsheet, a tax return and the auditor’s separate report. Ask the preparer to name the framework and explain why it applies.
For entities using TFRS for NPAEs, the revised standard’s presentation section includes the statement of financial position, profit or comprehensive income, changes in equity and explanatory notes. Other frameworks, sector rules or elections can change the required set. Do not assume a foreign parent’s reporting pack automatically meets Thai statutory requirements.
Give the accountant the actual year-end, entity details and any changes during the period. A new company, a changed year-end, a branch and a regulated business may need a different timetable or reporting approach from a standard private limited company.
Three deadlines to keep separate
For an ordinary Thai private limited company, the Ministry of Commerce’s published guidance describes shareholder approval within four months of the accounting-period end and DBD filing within one month of that approval. An earlier meeting can therefore bring the relative filing deadline forward; do not treat “the end of May” as a universal rule.
The Revenue Department’s ordinary annual corporate tax return deadline is a separate 150-day rule from the period close. Confirm the current electronic filing arrangements, holiday adjustments and any applicable extension for the actual return. Filing the accounts at DBD does not complete the tax return, and paying tax does not complete DBD submission.
Entity types differ. The same Commerce guidance gives registered partnerships, foreign juristic persons and joint ventures a five-month DBD submission framework. Do not apply a company shareholder-meeting process to a foreign branch without checking its own requirements.
A workable year-end sequence
- 1Confirm the obligations
Identify the entity, accounting period, reporting framework, auditor and actual approval, DBD and tax milestones. Assign a person to each deliverable.
- 2Close and prepare
Complete reconciliations, schedules and the draft statements. Give the auditor the agreed evidence and resolve questions promptly.
- 3Audit and approve
Review the final report and statements, make the appropriate approvals and retain the signed records.
- 4File and verify
Complete each authority’s separate submission and payment, check acceptance and save the evidence.
Prepare the close before the audit starts
Reconcile bank accounts, cash, payment gateways, receivables, payables, stock, fixed assets, loans and tax balances. Resolve missing invoices and unexplained entries while the people involved can still identify them. A bank balance alone does not establish the year’s profit or complete liabilities.
Discuss inventory counting, customer and bank confirmations, and any year-end attendance needed with the auditor in advance. Retrospectively trying to prove a stock quantity can be harder than arranging the evidence at the right time.
Flag unusual contracts, related-party balances, foreign-currency transactions, disputes, damaged stock and events after year-end. Management should provide the facts; the accountant and auditor can then assess the appropriate treatment. Do not hide an unresolved item to meet a signing date.
Review the statements before approving them
Read the whole set, including the notes and auditor’s report. Ask how the statements reconcile to the final trial balance and why material balances changed from the previous year. Check that the entity name, registration details, period and comparative figures are correct.
Discuss significant estimates, unreconciled items, related-party transactions, tax adjustments and any audit qualification. A company can show accounting profit while having insufficient cash; ask for both the cash position and outstanding obligations before making decisions about distributions or new spending.
Arrange the proper approval process and retain signed statements, meeting records and the auditor’s final report. Management approval is not simply signing the front page of a draft received by email. Check the signing auditor’s published status through TFAC if an audit is required.
Submission needs evidence of acceptance
Agree who will submit to DBD and who will handle the separate Revenue Department return and payment. Keep enough time to correct validation errors. A prepared file, upload screen or message saying “sent to the accountant” is not proof that the authority accepted a submission.
Retain the accepted filing acknowledgement, final submitted documents and any payment receipts in company-controlled storage. Compare the accepted period and entity with the approved accounts. If the system reports an error or a pending step, establish what remains and who will resolve it.
Keep the year-end workpapers and records for the applicable retention period, and ask the adviser whether a tax review, dispute or sector rule requires longer retention. Make sure changing accountants will not remove access to the company’s history.
No trading, missing records or a late filing
A company with no sales can still have annual accounting, audit and filing obligations. Formation costs, bank charges, capital and loans can also create entries in an otherwise quiet year. Ask the adviser to confirm the actual duties rather than treating “dormant” as an automatic exemption.
If records are missing or a deadline has passed, establish the affected periods and prepare a truthful correction plan. Ask the accountant about amended statements or returns and any authority-specific process. Do not backdate meeting records, fabricate evidence or assume that submitting one overdue year clears the rest.
Get a written list of outstanding filings, payments and corrections, with responsible people and target dates. A professional fee for catch-up work is separate from any official penalty or tax liability; request the supporting assessment or receipt for amounts paid to an authority.
Your year-end evidence file
Common questions
Are annual accounts the same as the corporate tax return?
No. The accounts report financial position and performance under the reporting framework; the tax return calculates and reports tax under the Revenue Code. They must reconcile appropriately but are separate deliverables.
Does a small limited company automatically avoid an audit?
Do not assume so. Exceptions can be entity-specific; an exemption discussed for a qualifying partnership is not automatically available to a limited company. Confirm your structure with the accountant and auditor.
Does every company have a 31 December year-end?
No. Use the company’s actual accounting period and any properly approved change. Deadlines and the first period need to be assessed from that position.
Can I wait for an annual reminder from the accountant?
Keep a company calendar and monitor progress yourself. Agree reminders and escalation in the engagement, with enough time for evidence, audit questions and corrections.
Useful next steps
Auditing
Plan the independent examination and report.
Learn moreBookkeeping
Build the records needed for the close.
Learn moreCompany compliance
Coordinate accounts with the wider company calendar.
Learn moreAccounting & Finance
Return to the business topic.
Learn moreSources used for this guide
Sources are reviewed regularly so important changes can be reflected in the guide.