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Accounting and business services · Chiang Mai
Monthly accounting and tax filing, Chiang Mai
Short answer
YMTD provides monthly accounting and tax filing for juristic persons in Chiang Mai, from bookkeeping and the monthly tax returns to the annual financial statements. It suits companies and partnerships that must file returns every month, including newly registered businesses and those that want to switch accounting firm. To start, send your business details through the form or LINE; Our staff reply within 1 business day with a quote.
Our staff reply within 1 business day through the channel you give; no sign-up needed
Who it is for, and what you get
Monthly and annual accounting, financial statements and tax returns filed on time, for businesses in Chiang Mai and nearby areas
- Juristic persons that must file tax returns every month and close the books every year
- Newly registered businesses that want their accounting set up correctly from the start
- Businesses switching from their current accounting firm, or with a backlog
- Revenue and expense documents recorded systematically every month
- The relevant tax returns prepared and filed on time
- Annual financial statements ready for audit and filing
What is included
- Bookkeeping from the documents you send each month
- Preparing and filing tax returns according to the status of the business (e.g. withholding tax, VAT)
- Preparing the annual financial statements and coordinating with the auditor
- Telling you which documents are missing, and the deadlines, in advance
Confirm with staff before we start
- The number of document items per month included in the fee
- Payroll and social security work
- Backlog, restating financial statements or additional filings
- Payment terms
Service fees
From 2,500 baht/month, including the annual financial statements
| Documents per month (items) | Not VAT registered | VAT registered (incl. P.P.30 filing) |
|---|---|---|
| Up to 30 | 2,500 baht | 3,000 baht |
| 31–50 | 3,000 baht | 3,500 baht |
| 51–100 | 3,500 baht | 4,000 baht |
| 101–200 | 4,000 baht | 4,500 baht |
| 201–300 | 4,500 baht | 5,000 baht |
| More than 300 | We send a price range within 1 business day of seeing your details | |
1 document = 1 item; tax invoices, receipts and purchase/sales bills are counted together per month · every rate includes the annual financial statements
| Employees in social security | Added per month |
|---|---|
| No employees | — |
| 1–5 employees | 200 baht |
| 6–10 employees | 400 baht |
| 11–20 employees | 500 baht |
| More than 20 employees | We send a price range within 1 business day of seeing your details |
Includes filing P.N.D.1 and the monthly social security submission
- The monthly fee already includes the annual financial statements; there is no extra year-end closing charge
- More than 300 documents/month, more than 20 employees, additional branches, stock or foreign transactions are assessed case by case by our staff
- Prices exclude VAT 7%
- A quote can be relied on for 14 days
Rates version YMTD-2026-10-10-r1 — the same set as the pricing and terms page
Factors that affect the fee
- Type of juristic person
- Whether the business is VAT registered
- Number of document items per month
- Number of employees and branches
- Backlog or additional year-end closing
Service area and visits
- Office in Hang Dong, Chiang Mai — You can come in to talk at the office; please book ahead so our staff can prepare your information (223/100 หมู่บ้านเชียงใหม่วิวสวย 2, San Phak Wan, Hang Dong, Chiang Mai 50230, Thailand)
- Clients across Chiang Mai and nearby areas — Businesses in other districts of Chiang Mai and nearby provinces can meet us or send documents through the channel agreed with our staff
- Other areas: online and LINE — We can discuss the work and receive documents online; please state your province in the form so our staff can confirm how the work can be handled
How we start
- Tell us about your business
Type of business, VAT status, number of employees and any backlog, through the form or LINE
- Our staff check the details and propose the scope of work
Our staff reply within 1 business day to ask further questions, then send the quote and the document list
- Start the agreed monthly cycle
Send documents through the agreed channel; the firm keeps the books and files the returns each cycle
How long each step takes depends on how complete the information is and on the work cycles of the agencies involved
Documents to prepare
- Purchase and sales tax invoices/receipts of the month
- Bank statements
- Payroll details (if you have employees)
- Copies of the registration documents and the tax returns already filed (when switching firm)
Switch your accounting firm to us
You can change accounting firm at any time of the year; on our side the work has 3 steps
- Receive the documents and the latest statements
Send the latest annual financial statements, the fixed asset register and the tax returns already filed, as far as they exist, through the channel agreed with our staff
- Check the filing status
Our staff check up to which period the tax returns and financial statements have been filed and whether anything is outstanding, then summarise the work needed before the normal cycle
- Start the monthly work
Agree the scope of work and the quote, then bookkeeping and filing start from the agreed month
Our staff reply within 1 business day. No obligation.
Checklist for choosing an accounting firm in Chiang Mai
- The scope of work is written clearly in the quote: what is included, what is not, and when extra charges apply
- How documents are sent and how you are reminded before each month’s filing deadline
- Who your main contact is, and through which channels they can be reached during office hours
- How the fee for the annual financial statements and the audit fee are stated: separately or included
- Termination terms and how your data is handed back when you stop using the service
Frequently asked questions
I have just started my business and have no revenue yet. Do I need to start keeping accounts now?
A juristic person must keep accounts and file returns on time from the date of registration, even with no revenue yet. The firm will check which returns are due in the first months according to the status of the business (for example, whether it is VAT registered and whether it has employees) and then propose a suitable scope of work.
What is the accounting fee based on?
The monthly fee is based on the number of document items per month and the VAT registration status, plus payroll/social security work according to the number of employees; the rate table is on the pricing page. The monthly fee already includes the annual financial statements, so there is no extra year-end closing charge; the auditor’s audit fee is separate. Backlog, additional branches or stock are assessed case by case by our staff and stated in the quote.
Is there an extra charge for closing the books at year-end?
No. The annual financial statements are included in the monthly accounting fee, so there is no year-end closing cost for the client. What is separate is the auditor’s audit fee, which is stated in the quote.
What documents do I need to send the firm each month?
Generally the revenue and expense documents of that month, such as purchase and sales tax invoices/receipts, bank statements and payroll details (if you have employees). The exact list depends on the type of business; our staff send you the document list when the work starts.
How do I switch from my current accounting firm to YMTD?
Tell us in the contact form that you have a current firm and up to which period the work has been done. Our staff will tell you which documents to gather (for example, the latest annual financial statements, the fixed asset register and the tax returns already filed), check the filing status for you, and agree the month in which the monthly work starts.
I have not kept accounts for several months. How do I fix this?
Backlog work is assessed case by case from the number of months outstanding and the documents available. The first step is to gather the revenue and expense documents and the tax returns already filed, then let our staff check which items still need to be filed. The website cannot confirm the penalties or tax consequences of an individual case.
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Category: Accounting and financial statements →Category: Tax →Category: Payroll and social security →