Change Accountants in Thailand

When a change of accountant deserves a structured review

Common triggers include late or unclear reports, repeated requests for the same documents, a business that has outgrown the original scope, a new investor, multiple sales channels or a change in management. These are reasons to review the process, not proof that the previous provider acted incorrectly. Start with observable issues: which reports are missing, which balances cannot be explained and which responsibilities were never agreed.

Separate service expectations from historical accounting errors. A new provider may need to reconstruct earlier periods even when the decision to change was mainly commercial. Ask for a review of the current position before assuming that the next monthly fee includes all previous work.

Choose the responsibility date and filing boundary

On smaller screens, scroll the table sideways to see all columns.

Avoid vague arrangements such as “take over next month” when an annual filing or payroll cycle crosses the handover. A short responsibility matrix prevents both providers from assuming the other will submit a return. Keep filing confirmations and payment receipts available to the company.

Request an organised handover pack

• Latest trial balance, general ledger, journals and chart of accounts, including usable exports.
• Bank reconciliations and statements for all accounts, with unresolved items identified.
• Receivable and payable ageing, customer deposits, prepayments and accrual schedules.
• Fixed assets, depreciation, inventory records, loans, shareholder balances and equity schedules.
• Filed tax returns, working papers, submission acknowledgements and payment evidence.
• Payroll registers, employee year-to-date figures and relevant social-security records.
• Approved annual financial statements, audit reports and outstanding auditor requests.
• Company documents, tax registrations, engagement terms and a list of government or software access arrangements.

Request records through an authorised company representative and agree the transfer method. Keep a dated inventory of files received and items still outstanding. The handover worksheet can be used to track the request, owner, period and completion evidence.

Verify opening balances before relying on the new reports

A trial balance that adds up is not necessarily a reliable starting point. Reconcile cash to bank statements, receivables and payables to detailed lists, tax balances to submitted returns, and fixed assets to the asset schedule. Confirm the nature of shareholder and director balances. Identify unexplained suspense accounts and balances that have not moved for several years.

Agree how corrections will be proposed, supported and approved. Preserve the original ledger and keep an adjustment log showing the reason, period, evidence and reviewer. The new accountant should not silently rewrite history or give an assurance that the records are accurate merely because they have been imported into different software.

Transfer access without losing company control

List the owner and administrator of each accounting platform, bank portal, payroll system and government account. Use formal access changes and named permissions where supported. Do not circulate passwords in an open handover spreadsheet. Remove obsolete access after the company confirms continuity, and keep the responsible director able to retrieve records independently of an individual employee or provider.

Export records before cancelling a software subscription. Check whether the export includes attachments, audit history, reconciliations and the full ledger rather than only summary reports. Agree how long the new provider will need to query the old records and how those questions will be handled.

Plan the first close as a controlled transition

Begin with a kickoff meeting and an agreed list of outstanding evidence. During the first close, confirm document cut-offs, payroll approval, sales-system reconciliations, tax review and the management-report format. Explain any opening-balance limitations alongside the first set of results. A dated exceptions list is more useful than a blanket statement that the handover is complete.

Use a second review point after the first reporting cycle to check whether the data flow is working. Resolve recurring problems such as mixed personal spending, missing invoices or platform exports before they become another backlog. The ongoing process can then move into the outsourced accounting service agreed for the business.

Separate transition costs from the monthly engagement

The quotation should distinguish onboarding and opening-balance review, historical reconstruction, routine monthly work, payroll, annual accounts and audit coordination. Complexity depends on the number of entities, periods, systems and unresolved balances, not only the number of invoices. Confirm what happens if the initial review finds additional missing records.

See the scope comparison before comparing fees. Where the ledger is materially incomplete, the catch-up bookkeeping process may need to run alongside the transfer. No completion date should be promised before the condition and availability of the records are understood.

Prepare your first discussion

Bring the company name, financial year-end, last completed accounting period, next known filing deadline, current provider’s scope and the main reason for changing. One recent month of records and the latest trial balance usually reveal more than a verbal description alone. Identify the person who can authorise the handover and approve decisions.

The company remains responsible for maintaining appropriate records and meeting its obligations. Refer to the Accounting Act and DBD’s business duties guide for the official framework. The transfer plan should support those duties rather than postpone them.

Illustrative engagement example

Explore the fictional accounting-provider handover example for a proposed work plan, document requests, deliverables and review criteria. This teaching scenario is not a record of a completed client mission.

Preparing records for a tax enquiry

If a Revenue Department request, summons or assessment has arrived, treat its response timetable as a separate workstream from routine bookkeeping or a handover. Keep the complete notice and receipt evidence, identify missing records and agree who is responsible for the response.

Our tax audit support guide explains the cases covered, evidence preparation, assessments and specialist coordination. Use the tax audit response tracker to log actions and verified deadlines. It is a local working aid, not an official form, and does not submit a response or calculate legal deadlines.

Frequently asked questions