How to Apply for A Work Permit in Thailand

Expanding your business into Thailand or hiring foreign talent locally means navigating specific legal requirements. Before you or your international employees can legally work, securing a work permit in Thailand is essential. Whether you’re setting up a new company, relocating staff, or hiring specialists, understanding the requirements upfront will save you time, money, and potential legal issues.

Thailand offers several pathways for foreign professionals, from standard work permits to streamlined options like the Smart Visa, each with distinct rules. This guide breaks down what you need to know to stay compliant while focusing on your business growth.

Types of Work Permits in Thailand

A. General Work Permit (Non-Immigrant B Visa Holders)

This is a standard route if you are hiring a foreign national directly into your Thai-registered company. Employers commonly use it for roles such as corporate staff, teachers, engineers, IT professionals, or hospitality managers.

For this work permit, you must ensure that the candidate has a valid Non-Immigrant B Visa, which allows them entry and stay in the country, excluding the right to work. Now, as an employer, you must also apply for the work permit on their behalf before they start employment with your company.

B. Work Permit under BOI-promoted Companies

Businesses promoted by the Board of Investment (BOI) can recruit foreign specialists and executives under much more favourable terms. It is ideal for companies in sectors like tech, manufacturing, R&D, digital services, and regional headquarters.

Work permits under BOI-promoted companies do not have any capital or Thai-to-foreigner ratio requirements. The Single Window system processes all applications online and issues permits quickly, usually within 1 to 3 business days after approval. However, they must justify the employment of foreign staff and secure BOI approval.

These work permits are valid for up to 4 years, and eligible foreign hires can receive multiple-entry visas. Spouses and children of foreign hires may also qualify for streamlined visa processing, and in certain cases, work authorization.

C. Work Permit for Foreign Directors or Shareholders

If you are setting up a company and plan to have a foreign national serve as a director or active shareholder, you should consider obtaining this work permit. To do this, the foreigner must first register as a company director and obtain a Non-Immigrant B Visa before applying for the work permit.

Small business owners setting up restaurants, consultancy firms, or trading companies commonly use this version of the work permit.

D. Smart Visa (Work Permit Exempt)

Consider a Smart Visa if you’re hiring highly skilled professionals, investors, or executives in industries targeted by the Thai government’s economic development strategy. This includes industries like tech, biotech, robotics, and digital.

With this visa, you do not need a separate work permit, and it will be valid for up to 4 years. The family members of your employee can live, work, and study in Thailand without any extra permits. Furthermore, they will have one year of reporting instead of checking in every 90 days, along with fast-track immigration lanes at airports.

There are five Smart Visa categories that you can explore and choose from, depending on your needs:

Smart T (Talent): For highly skilled professionals in targeted industries with expertise in science, technology, or innovation.
Smart I (Investor): For investors putting capital into technology-based businesses or BOI-promoted companies in priority sectors.
Smart E (Executive): For senior executives with proven management experience working in companies in targeted industries.
Smart S (Startup): For entrepreneurs looking to launch tech startups in Thailand, particularly in government-supported incubators or accelerators.
Smart O (Other): For dependents (spouse and children) of Smart Visa holders, allowing them to live, work, or study in Thailand.

Eligibility Criteria and Requirements for Work Permits in Thailand

What Your Foreign Hire Needs

Before you can even apply for the work permit, your foreign candidate must have the proper visa and supporting documents. A tourist visa won’t cut it. Make sure they have:

Valid Non-Immigrant B Visa
A passport with at least 6 months’ validity
Educational qualifications and work experience relevant to the job
A health certificate issued by a recognized medical facility in Thailand within the last 30 days
3 to 4 passport-sized photos taken within the last 6 months in line with Thailand’s dress code requirements for official documents

What You Need As An Employer (Thai-Established Company)

On your end, there are several requirements your company must meet to legally sponsor a foreign worker. Thailand’s Ministry of Labour will closely review these applications, so you must justify why a Thai national cannot fill the role that you are hiring for.

Additionally, here’s what you’ll need for the application:

Your business must be legally registered in Thailand
You must have at least 2 million THB in paid-up capital per foreign employee (this drops to 1 million THB if the candidate is married to a Thai national)
If your company is BOI-promoted, some exemptions may apply (such as relaxed capital or staffing ratios)
A minimum of 4 full-time Thai employees per foreign worker is required in most cases
Your company must be in good standing with both the Revenue Department and the Social Security Office
The position offered must not fall under Thailand’s restricted occupations for foreigners (ex, accounting, tour guiding, hairdressing, or manual labor)

Key Considerations for Obtaining Work Permits in Thailand

Getting a work permit is just the first step of bringing a foreign talent into Thailand. To keep things running smoothly, you need to stay on top of several important requirements throughout the employment period in line with Thailand’s Employment and Labor Laws, such as:

Prohibited Occupations: Foreigners cannot get work permits for jobs legally restricted to Thai nationals.
Documentation: Both parties need extensive documentation (company registration, tax records, employment contract, social security proof).
Renewal: Work permits must be renewed before expiry, typically for 1-year terms.
Changes: Any change in job title, employer, or work location requires a permit amendment or a new permit. The old permit must be returned before a new one for a different employer is issued.
No Work Before Permit: Foreign staff must not start work before the permit is issued.
BOI/Smart Visa Obligations: Holders still have reporting and documentation duties.
Job Scope Adherence: Employees must stick to the job scope approved in the work permit.
Document Validity: Ensure all company documents submitted are current and complete.

Applying for a work permit in Thailand is a multi-step process that requires close coordination between you and your foreign hire. Here’s a clear step-by-step breakdown so you know exactly what to expect:

1. Obtain a Non-Immigrant B Visa

Before your employee can even apply for a work permit, they need to enter Thailand on the right visa. That means starting outside the country. Have your candidate apply at a Thai embassy or consulate abroad and provide them with a job offer letter or invitation from your company.

In certain cases, you may need to submit supporting company documents like a business registration certificate, shareholder list, and financial statements for the authorities to review.

2. Enter Thailand and Prepare Application

Once your employee arrives with their Non-Immigrant B Visa, you can proceed with preparing their work permit application by providing a full set of company documents, including:

Your company affidavit
An up-to-date shareholder list
Recent VAT filings and tax payment records
A clear employment contract and job description

3. Submit Work Permit Application

Once you compile everything, you can submit the application to the Ministry of Labour, specifically the Department of Employment. You must file it at the provincial labour office where your company is officially registered.

4. Collect Work Permit Book

Upon approval, the Ministry of Labour will issue the blue work permit book, which is the official authorization for your employee to work in Thailand. Note that your employee must keep this book with them while working. Authorities usually issue the permit for up to one year, aligning it with the contract duration, and renew it as long as the visa and employment conditions remain valid.

Streamline Your Thai Expansion and Talent Mobility with RecruitGo

For foreign companies looking to expand business operations into Thailand, relocate key talent, or hire new specialists locally, navigating the initial setup and immigration requirements can be complex. Establishing a new company involves time and investment, and managing individual work permit applications requires meticulous attention.

RecruitGo offers a more agile and compliant path. Our Employer of Record (EOR) service in Thailand enables you to hire your chosen candidates swiftly, without the immediate necessity of setting up your own local legal entity.

Many businesses prefer this approach to test the Thai market, quickly build their initial team, or start operations while their company registration is still pending. We manage all aspects of payroll, tax, benefits, and local HR compliance for your team in Thailand.

Furthermore, if you need to relocate existing foreign employees or new international hires to Thailand, our comprehensive relocation services ensure a smooth and efficient transition.

Ready to simplify work permits, hiring, and relocation in Thailand? Contact our local experts today, and we will guide you through every step.

Frequently Asked Questions

No, there is no legal requirement for Thai language skills to obtain a work permit. However, knowing Thai can be helpful in some industries or workplaces.

A BOI work permit, for employees of BOI-promoted companies, often has exemptions like no minimum capital or Thai employee ratio rules. Regular work permits must meet stricter company capital and staffing criteria.

A Smart Visa allows eligible professionals, investors, or startup founders in targeted industries to work in Thailand without obtaining a separate work permit. It can be valid for up to 4 years and is designed to attract high-skilled talent.

No. Work permits and visas are separate processes handled by different Thai government departments. The Non-Immigrant B visa, issued by Thai embassies abroad, allows entry for employment but does not guarantee a work permit, which must be approved separately by the Ministry of Labour after arrival. Holding one does not automatically entitle you to the other, as both require distinct applications and approvals.