SIAC Consulting Co. Ltd
Work Permit Application
A Thai work permit authorizes foreigners to work in Thailand and includes your job title, employer, and location. Working without a valid permit is illegal and can lead to fines, imprisonment, or deportation.
Eligibility:
Hold a Non-Immigrant Visa or Thai Residence Visa.
Have an employer in Thailand.
Occupation must not be on the prohibited list.
Employer Requirements:
Legally registered in Thailand with Tax ID and VAT registration.
Minimum capital:
THB 2 million per foreign employee (Thai majority)
THB 3 million (foreign majority)
THB 1 million if married to a Thai national.
Must employ at least four Thai employees per foreign worker.
Process:
Obtain a Non-Immigrant “B” Visa:
Requires job offer, company documents, and evidence of law-abiding nature.
Valid for 90 days.
Apply for the Work Permit:
Applicant Documents: Passport, Non-Immigrant Visa, Departure Card, educational certificates, medical certificate from a Thai hospital, CV, recent photos, and relevant marriage documents if married to a Thai.
Employer Documents: Company registration, VAT filings, financial statements, employment contract, and office map.
Processing time: ~7 business days for standard companies; within 3 hours for BOI companies.
Obtain a Tax ID Card:
Employer registers you for a Tax Identification Number (TIN).
Re-entry Permit:
Required to travel outside Thailand without losing your visa/work permit.
Renew Visa & Work Permit:
Renew visa first, then work permit.
Work Permit Rules:
Must work for the listed company.
Changing employers requires a new permit.
Return permit within 10 days if resigning or terminated.
Exemptions:
No permit required for diplomats, UN staff, or temporary work (≤15 days) for urgent tasks.
Penalties:
Working without a permit: Up to 5 years imprisonment or THB 2,000–100,000 fine.
Employers hiring without permits may face fines of THB 10,000–100,000.
Work Permit Fees (THB):
Application: 100
Replacement: 500
Change job description: 1,000
Summary:
To work legally in Thailand, secure a Non-Immigrant “B” Visa and then apply for a work permit.
Siac Consulting Experts
Specializes in Thai company formation for foreign entrepreneurs, with expertise in BOI registration, and ongoing corporate compliance.
Stay up-to-date
Helpful Links
Opening a Corporate Bank Account in Thailand
Certified English–Thai Translation & Legalization in Thailand
Thailand Trademark Registration
VAT Registration in Thailand
Social Security in Thailand: for Employers & Employees
Payroll for Foreign Employees in Thailand
Thailand Employment Law & Contracts
Ending Employment for Foreign Workers in Thailand
Thailand Smart Visa
Thailand Work Permit Renewal
Thailand Work Permit
Thailand Visa Overstay: How to Fix It, Pay the Fine, and Avoid a Ban
Thailand 90-Day Reporting
Thailand Re-Entry Permit
Thailand Elite Visa (Thailand Privilege Visa)
Thailand Education Visa (Non-Immigrant “ED”)
Thailand Visa Extension
Thailand Retirement Visa (Non-Immigrant O-A)
Thai Family Visa (Non-Immigrant O Dependent Visa)
Thailand Non-Immigrant “B” Visa (Business & Work)
Opening a Corporate Bank Account in Thailand
Memorandum of Association (MOA) in Thailand
How to Register a BOI Company in Thailand
Limited Partnership in Thailand: Quick Guide to Get Started
Defines a Thai company’s internal rules regarding structure, management, meetings, and profit distribution.
Starting a company in Thailand involves several key steps. Here’s a step-by-step process for company formation.
A business license in Thailand allows individuals or businesses to engage in commercial activities. It regulates and monitors business activities to ensure they meet legal and industry requirements.
Creating a shareholder agreement in Thailand protects everyone’s interests and keeps your company running smoothly.
SIAC Consulting offers a Company Name Reservation Service that helps secure a unique name compliant with Thailand’s Department of Business Development (DBD) regulations. We assist with verifying name uniqueness and meeting the legal requirements for business registration.
Planning to work in Thailand? Whether you’re considering teaching, freelancing, starting a business, or joining a local company, there are a few essential legal requirements you must secure before beginning any professional activity in the country. Learn about them here.
Setting up a company in Thailand? In 2025, it’s actually easy — but still requires precision. A private limited company remains the top choice for foreign investors. Here’s our guide to get you up and running without the legal headaches.
Work Permit Application
A Thai work permit authorizes foreigners to work in Thailand and includes your job title, employer, and location. Working without a valid permit is illegal and can lead to fines, imprisonment, or deportation.
Eligibility:
Hold a Non-Immigrant Visa or Thai Residence Visa.
Have an employer in Thailand.
Occupation must not be on the prohibited list.
Employer Requirements:
Legally registered in Thailand with Tax ID and VAT registration.
Minimum capital:
THB 2 million per foreign employee (Thai majority)
THB 3 million (foreign majority)
THB 1 million if married to a Thai national.
Must employ at least four Thai employees per foreign worker.
Process:
Obtain a Non-Immigrant “B” Visa:
Requires job offer, company documents, and evidence of law-abiding nature.
Valid for 90 days.
Apply for the Work Permit:
Applicant Documents: Passport, Non-Immigrant Visa, Departure Card, educational certificates, medical certificate from a Thai hospital, CV, recent photos, and relevant marriage documents if married to a Thai.
Employer Documents: Company registration, VAT filings, financial statements, employment contract, and office map.
Processing time: ~7 business days for standard companies; within 3 hours for BOI companies.
Obtain a Tax ID Card:
Employer registers you for a Tax Identification Number (TIN).
Re-entry Permit:
Required to travel outside Thailand without losing your visa/work permit.
Renew Visa & Work Permit:
Renew visa first, then work permit.
Work Permit Rules:
Must work for the listed company.
Changing employers requires a new permit.
Return permit within 10 days if resigning or terminated.
Exemptions:
No permit required for diplomats, UN staff, or temporary work (≤15 days) for urgent tasks.
Penalties:
Working without a permit: Up to 5 years imprisonment or THB 2,000–100,000 fine.
Employers hiring without permits may face fines of THB 10,000–100,000.
Work Permit Fees (THB):
Application: 100
Replacement: 500
Change job description: 1,000
Summary:
To work legally in Thailand, secure a Non-Immigrant “B” Visa and then apply for a work permit.
About Me
Siac Consulting Experts
Specializes in Thai company formation for foreign entrepreneurs, with expertise in BOI registration, and ongoing corporate compliance.
Stay up-to-date
Helpful Links
Opening a Corporate Bank Account in Thailand
Opening a Corporate Bank Account in Thailand
Certified English–Thai Translation & Legalization in Thailand
Certified English–Thai Translation & Legalization in Thailand
Thailand Trademark Registration
Thailand Trademark Registration
VAT Registration in Thailand
VAT Registration in Thailand
SIAC Consulting Co. Ltd
Work Permit Application
Mental Health Matters: Traveling and Coping with Anxiety
A Thai work permit authorizes foreigners to work in Thailand and includes your job title, employer, and location. Working without a valid permit is illegal and can lead to fines, imprisonment, or deportation.
Eligibility:
Hold a Non-Immigrant Visa or Thai Residence Visa.
Have an employer in Thailand.
Occupation must not be on the prohibited list.
Employer Requirements:
Legally registered in Thailand with Tax ID and VAT registration.
Minimum capital:
THB 2 million per foreign employee (Thai majority)
THB 3 million (foreign majority)
THB 1 million if married to a Thai national.
Must employ at least four Thai employees per foreign worker.
Process:
Obtain a Non-Immigrant “B” Visa:
Requires job offer, company documents, and evidence of law-abiding nature.
Valid for 90 days.
Apply for the Work Permit:
Applicant Documents: Passport, Non-Immigrant Visa, Departure Card, educational certificates, medical certificate from a Thai hospital, CV, recent photos, and relevant marriage documents if married to a Thai.
Employer Documents: Company registration, VAT filings, financial statements, employment contract, and office map.
Processing time: ~7 business days for standard companies; within 3 hours for BOI companies.
Obtain a Tax ID Card:
Employer registers you for a Tax Identification Number (TIN).
Re-entry Permit:
Required to travel outside Thailand without losing your visa/work permit.
Renew Visa & Work Permit:
Renew visa first, then work permit.
Work Permit Rules:
Must work for the listed company.
Changing employers requires a new permit.
Return permit within 10 days if resigning or terminated.
Exemptions:
No permit required for diplomats, UN staff, or temporary work (≤15 days) for urgent tasks.
Penalties:
Working without a permit: Up to 5 years imprisonment or THB 2,000–100,000 fine.
Employers hiring without permits may face fines of THB 10,000–100,000.
Work Permit Fees (THB):
Application: 100
Replacement: 500
Change job description: 1,000
Summary:
To work legally in Thailand, secure a Non-Immigrant “B” Visa and then apply for a work permit.
Stay up-to-date
Helpful Links
Opening a Corporate Bank Account in Thailand
Opening a Corporate Bank Account in Thailand
Certified English–Thai Translation & Legalization in Thailand
Certified English–Thai Translation & Legalization in Thailand
Thailand Trademark Registration
Thailand Trademark Registration
VAT Registration in Thailand
VAT Registration in Thailand
