Corporate Income Tax Advisory
Phone Reviews
Phone reviews on final tax computation and tax submission.
Advice on Tax Optimisation
Receive tailored strategies by qualified Tax Agents.
Solutions / Taxation Services
Professional Tax Compliance & Advisory
Accurate, consistent and efficient:
- Precise preparation of tax computation, schedules, and filing of corporate tax return — PND 50 & PND 51
- Receive phone reviews and tax advice from qualified Tax Agents
- Timely reminders and assistance to keep you ahead of filing deadlines
"Thank you Jane for your excellent service and for the seamless transfer of our accounts from our previous provider."
Luth Carpio
LetterLens Pte Ltd
"Good Job ladies. Thank you for keeping my accounts in good order and for keeping all entries neatly updately. I am able to better understand my business now."
Henry Lee
Entrepreneur
"You guys are good. You guys saves us alot money and thank you for representing us to deal with the Thai Revenue Department. "
Min Le
Creative Director
"The AI feature in the cloud accounting software is excellent. It help us reduce our work load by heaps."
Ryan Khoo
Business Owner
"Thanks for taking away all the complication of accounting and taxes in Thailand. Your team (most likely the only one) that can converse well technically in English and Chinese"
Keith Chen
Project Manager
Off-Load Hours of Work
Trust us to meticulously organize your files, complete, and submit your tax returns.
Up-to-date Compliance
We'll alert you to tax regulation changes and make adapting simple.
Lower Tax Risks & Costs
Optimise complex financial setups with tailored tax strategies that keep your taxes efficient and compliant.
UnionSPACE Offers
Corporate Income Tax Compliance
PND 50 & PND 51
Precise preparation of tax computation, schedules, and filing of corporate tax return PND 50 & PND 51.
Deadline Monitoring
Timely reminders and assistance to keep you ahead of filing deadlines.
Tax Newsletter Updates
Stay informed of regulatory changes in the tax landscape.
Flexible Plans for Any Business Size
TAX Package 1
Corporate Income Tax Compliance
THB
20,000
/yr
billed annually,
subject to 7% VAT
Get Started
Talk to US
What's included:
Tax Compliance
- Half year Company Income Tax Estimate Preparation, Review & Filing (PND51)
- Annual Company Income Tax Return (PND50) Preparation, Review and Filing Quarterly Tax Newsletter Update
TAX Package 2
Corporate Income Tax Compliance + Tax advisory
THB
45,000
/yr
billed annually,
subject to 7% VAT
Get Started
Talk to US
What's included:
Tax Compliance
- Half year Company Income Tax Estimate Preparation, Review & Filing (PND51)
- Annual Company Income Tax Return (PND50) Preparation, Review and Filing
- Quarterly Tax Newsletter Update
- Annual Company Tax Return Review & Recommendation
- Company Tax Support & Advise
Our package is also suitable for companies with their own accounting team.
Get 10% Off Payroll & Bookkeeping Services with Our Tax Compliance Service
Bundle additional services with your Accounting & Tax Filing or Payroll Service Save Additional 10% on both plans
Request Additional Services Anytime
If the services you require are not listed, please contact us directly using the form below.
Tax Residency Certificate
Request anytime
THB15,000 per request
subject to 7% VAT
Application for Excess Tax Refund, Time Extension, Etc.
Request anytime
THB6,000 per application
subject to 7% VAT
Preparation and Submission of Withholding of Tax
Request anytime
THB5,000 each time
subject to 7% VAT
Taking a break?
Switch to our dormant plan for peace of mind.
Dormant Tax Compliance Plan
Suitable for dormant businesses.
THB
35,000
/yr
billed annually,
subject to 7% VAT
Schedule a Consultation
Talk to US
Why Businesses Love UnionSPACE:
The Incredible UnionSPACE Team
Multilingual Team
We speak over 6 languages
We strive to offer friendly and reliable professional services.
With more than 8 years experience providing corporate services and 500+ satisfied customers, we know what is important: results and relationships.
We put in the effort to understand our clients so we can provide the quality service they need. Whether you are a Startup, SME or MNC, you are a valuable partner to us.
8+
Years Experience
8,000+
Businesses Clients
425
Team Members Globally
Don't just take our word for it!
Here’s what our clients say about us:
UnionSPACE English speaking accounting team is one of the best thing i found in Thailand :) Havve tried so many accounting firm to help out with our company compliances and each and everyone of them failed massively.
Saul Goodman
Ceo & FounderI love UnionSPACE Cloud Accounting Software - that's included in our subscription. It's like we got 2 services for the price of 1 and it also allow us to review their work anytime.
Sara Wilsson
EntrepreneurThe way they explain my responsibilities during the on-boarding process makes work alot easier and smoother for both parties. Initially I felt it was an overkill but later realize it was indeed beneficial and necessary for all parties.
Jena Karlis
Store OwnerLike it or not, accounting is a pain and unionspace made it bearable and do-able even here in Thailand. Thank you
Matt Brandon
FreelancerAs Thailand tighten their grip with tax collection, having a professional accounting company is important. Unionspace made that right.
John Larson
EntrepreneurFrequently Asked Questions
What is the difference between Package 1 and Package 2?
For Package 1, our professional tax team will review the tax computation with you before final tax submission and brief you the relevant latest tax requirements and implication to your business. Included in Package 2, our professional tax team stands by to provide general tax support and advice as and when you need during the year.
Are dormant companies required to furnish PND 50 & PND 51?
Dormant companies are required to furnish PND 50 & PND 51 according to normal deadlines. Dormant mean:
- Never commence operation since the date it was operation or established
- Had previously in operation or carried on business but has now ceased operation or business.
Who is subjected to pay Withholding tax in Thailand?
What kind of payments are subjected to Withholding tax in Thailand?
- Employment income → wages, salaries, bonuses
- Service fees → professional services, consulting, contract work
- Rental fees → land, buildings, vehicles, equipment
- Royalties → use of patents, trademarks, copyrights, etc.
- Interest payments
- Dividends
Corporate Income Tax rate for companies reigstered in Thailand as of 2025?
Local / Foreign Companies are subjected to the same Corporate Income Tax Rate
Up to THB300,000 nett profit: Tax rate: 0%
THB300,001 to THB3,000,000 nett profit: Tax rate: 15%
THB3,000,0001 and above: Tax rate: 20%
How to make payment for tax payable or tax installment via online?
Payment can be made online at directly at the Revenue Department website or via your Bank application.
Penalty on failure to furnish PND 50 or PND 51
THB2,000 to THB200,000 penalty depending on reasons and how late you're.
Penalty for late payment of tax payable?
If tax is not paid on time (or the installment in PND 51), interest or surcharge applies—commonly 1.5% per month on unpaid or late-paid amounts.
Can taxpayer appeal on penalty imposed?
Yes. Taxpayer must submit the application for appeal on tax penalty for the following case:
- Unpaid penalties
- Penalties that have been imposed and subject to installment schedule.
Will there be extension of time for withholding tax payment?
No. Payers who fail to pay withholding tax within deadline will have to pay a 10% penalties.
What constitutes non-compliance of withholding tax?
- 10% penalty for unpaid withholding tax and total sum shall be debt due to Government.
- Disallowed expenses deduction on the ‘gross amount’ until both of withholding tax and penalty is settle.
Find Out if UnionSPACE Taxation Is Right for You
Fill out the contact form to schedule a free 15-minute consultation call.
Fill out the form
Schedule a Compatibility Check
Location
29, Sukhumvit Soi 39, Phrom Phong, 10110, Bangkok
accounting@unionspace.com
Call
(+66) 02 036 0600
Open Hours
Monday-Friday: 9AM - 6PM