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Personal Tax Services

Personal Income Tax Filing
(P.N.D. 90/91)

Tax calculation and filing for freelancers, online sellers, and salaried employees with multiple income streams. Plan your deductions to maximize returns. Easy processing—just send details via LINE.

  • Accurate Tax Calculations
  • Maximum Deduction Planning
  • 100% Data Security
Personal Tax Filing SiamAccount

Filing Taxes is Easy
Complete & Accurate

No more worries about retroactive Revenue Department audits. Fully utilize your eligible deductions.

Who is this service for?

We simplify the complexity of handling different income types (Section 40(1) to 40(8)).

Salaried Employees (with side income)

Have a regular salary but also take outside jobs or sell items after work.

Freelancers / Independent Contractors

Graphic designers, programmers, product reviewers, brokers.

Online Sellers

Selling via Shopee, TikTok, Lazada, or invoicing through social media pages.

Investors / Landlords

Earning income from dividends, interest, or real estate rentals.

Stop worrying about taxes
and focus on making money.

Fear of Retroactive Revenue Audits

Many aren't sure which income needs filing, or they file under the wrong category risking fines. We check everything in detail.

Unaware of Deductions, Missing Savings

SSF, RMF, life insurance, home loan interest, or new government tax breaks. We calculate them all so you pay the least or get a refund.

Complicated Web Processes & Server Crashes

Just send us your 50 Tawi documents or total income summary. The SiamAccount team handles the data entry and submits it via e-Filing for you.

What You Will Get

  • Accurate calculation and categorization of income (40(1) - 40(8)).
  • Allocation of expenses (standard vs. actual) to minimize tax liability.
  • Preparation and online submission of P.N.D. 90 or 91 forms.
  • Delivery of the official Revenue Department receipt and filing summary for your records.

Easy... Just 3 Fingertip Steps

No travel needed. No document printing. Just take a photo and send it via LINE.

01

Send Data via LINE

Take a photo of your withholding tax certificates (50 Tawi) or sales summary. Let us know your personal deductions.

02

Team Calculates & Summarizes

Accountants calculate taxes, choose the most economical method, and send the summary for your approval.

03

e-Filing Submission

We submit the forms into the Revenue system and send the receipt and full documents back to you.

Transparent Pricing, Based on Complexity

Prices stated before work begins. No hidden fees.

Salaried Employee / Single Income

P.N.D. 91 (Only 40(1) Salary Income)

฿500 / year
  • Enter 40(1) Income
  • Input standard tax deductions
  • Complete online filing
Popular

Freelance / Sellers / Multiple Incomes

P.N.D. 90 (Income from 40(1) to 40(8))

Starting from฿1,000 / year
  • Correctly categorize 40(1) - 40(8) income
  • Calculate best expense deduction method (Standard vs. Actual)
  • Summarize online sales (Shopee, TikTok)
  • Plan filing to maximize tax refunds

*Prices above are for annual personal income tax filing (P.N.D. 90/91) only. It does not include monthly bookkeeping or VAT services for individuals.

Get Your 50 Tawi Documents Ready
And Chat With Us to Handle It!

Don't wait until the last day when the Revenue website crashes. Send us your data today so we can plan and review it in advance.