When I was thinking about living in Thailand permanently, working legally in Thailand seemed like an insurmountable obstacle. I was overwhelmed by rumours, conflicting information and complicated forms. Today, having gone through this process myself, I want to show you that although the process requires patience, it is possible. Treat this article as a map drawn from my experiences and mistakes, which will open the door to life in the Land of Smiles.

Obtaining a work permit is the key to a legal and peaceful life in Thailand. It is not just a “piece of paper”, but the foundation of your security. I will show you how to go about it and what to watch out for to avoid problems that are not widely discussed.

What is a work permit in Thailand and who is responsible for issuing it?

A work permit is inextricably linked to a visa and proves that you are working legally in Thailand. It is the basis without which you cannot move forward. Remember that a business visa (Non-Immigrant “B”) only entitles you to enter the country for the purpose of working, but it is not yet a visa to Thailand with the right to work. Only the appropriate work permit gives Thailand the green light.

What is the “Blue Book” and why is it crucial for an employee in Thailand?

A work permit, commonly known as the “Blue Book” (in Thai: ใบอนุญาตทำงาน, Bāi ànúyâat tam ngaan), is your most important professional document. This small blue book contains your photo, personal details, employer’s name, position, job description and expiry date. It officially confirms that you can legally earn money in Thailand.

In practice, you must protect it like the apple of your eye. Although you do not need to carry it with you, always have a copy or photo of it on your phone. The original is necessary when opening a bank account, signing a rental agreement or when you are about to extend your Thai work visa. During workplace inspections, officials will ask for this document.

How does the Digital Work Permit work and how does it differ from the traditional one?

A Digital Work Permit is the digital equivalent of a “Blue Book”, available in a smartphone app, usually with a QR code. It is a more convenient alternative to a physical booklet, eliminating the risk of loss or damage.

However, this is not yet standard practice. Digital permits are mainly used by employees of companies with a Board of Investment (BOI) certificate and holders of SMART or LTR visas. In the standard procedure, you will almost certainly receive a traditional blue booklet. Thailand is moving with the times, albeit at its own Asian pace.

Which Thai government agency (Department of Labour) is responsible for issuing work permits?

The Department of Employment (in Thai: กรมการจัดหางาน, Grom Kan Jad Hang Ngan), which is subordinate to the Ministry of Labour, is responsible for issuing work permits. You submit your application to the employment office responsible for your company’s location.

In Bangkok, matters are mainly dealt with at the office in Din Daeng, but there are centres that streamline the process. The most important one is the One Stop Service Centre (OSSC) in Chamchuri Square, intended for companies with BOI certification and other selected categories. The process at the OSSC is much faster – visa formalities and work permits can be dealt with in one place, often within a single day.

What conditions must an employee and a company meet to obtain a work permit?

Obtaining a work permit is a team effort – both you and your employer must meet a number of conditions. The Thai government protects the local market, so the bar is set high for companies when it comes to hiring foreigners in Thailand.

What visa (e.g. Non-Immigrant B) do I need to apply for a work permit?

The basis is the appropriate visa. To apply for a work permit, you must enter Thailand on a Non-Immigrant “B” (Business) visa. Importantly, you cannot obtain this visa while already in the country on a tourist visa. You must apply for it at the Thai embassy or consulate in Poland (or another country of permanent residence) before arrival, based on a letter of intent from your employer. This is the standard procedure for work permits in Thailand for Polish citizens. Attempting to “arrange” work on a tourist visa is a sure-fire way to get deported.

How much must the share capital of a Thai company be in order to hire a foreign employee?

In order for a Thai company to hire one foreigner, it must have a fully paid-up share capital of at least 2 million baht (THB). The requirement increases proportionally with the number of foreigners employed: two foreigners is 4 million THB, three is 6 million, and so on. Companies with BOI certification are exempt from this requirement. If a foreigner is married to a Thai citizen, the required capital drops to 1 million THB.

How many Thai employees must a company employ per foreigner (4:1 ratio)?

This is one of the most important and strictly enforced conditions: for each foreigner employed, the company must employ at least four Thai citizens. This is not a dead letter. Officials meticulously verify the payment of social security contributions (SSO) for Thai staff. If this ratio is not met, the application will be rejected. This mechanism is designed to ensure that the employment of a foreigner generates jobs for the local community.

What is the minimum wage for a Polish person working in Thailand?

The law sets the minimum wage for foreigners depending on their nationality to ensure that specialists are employed rather than cheap labour. For citizens of Poland and most European countries (as well as Japan and North America), the minimum gross monthly wage is 50,000 THB. This amount must be stated in the employment contract and taxes and contributions are deducted from it.

The thresholds for other nationalities are as follows:

Nationality / Region	Minimum monthly salary (THB)
Western Europe, Australia, Canada, Japan, USA	50,000
South Korea, Singapore, Taiwan, Hong Kong	45,000
China, India, Middle East, rest of Asia	35,000
Africa, Cambodia, Laos, Vietnam, Myanmar	25,000

Is a degree necessary to obtain a work permit?

In most cases, a university degree (minimum bachelor’s degree) is a prerequisite. For officials, it is the basic proof of qualification for specialist work. The degree must be translated into English and often legalised. Although in rare cases, many years of documented experience in a niche field can replace a degree, this is a more difficult and risky path. In practice, a degree is the key to success.

What is the required passport validity period when applying for a work permit?

Officially, your passport must be valid for at least 6 months. However, in my experience, this is the minimum, which can complicate things. Permits and visas are usually issued for one year. If your passport expires in 8 months, you risk the official issuing a work permit for Thailand only for that period, which will force you to repeat the procedure earlier. It is safest to start the process with a passport that is valid for at least 18 months to avoid stress and additional costs.

What documents are required to apply for a work permit in Thailand?

Preparing documents is at the heart of the operation and a key element in answering the question of how to obtain a work permit in Thailand. Thai bureaucracy loves paper, and every missing signature can set the process back by weeks. The list is long and is divided into documents that you provide and those for which your employer is responsible.

What medical examinations and certificates are required to obtain a permit?

You must present a medical certificate from a Thai clinic or hospital confirming that you do not suffer from any diseases that would prevent you from working. The list includes leprosy, active tuberculosis, elephantiasis, drug addiction, chronic alcoholism and third-stage syphilis. The examination is simple and quick, costing 300-500 THB. The certificate is usually valid for 30 days, so have it done just before submitting your application.

What are the requirements for biometric photos for a Thai work permit?

Photos measuring 3×4 cm or 4×6 cm (it is worth checking with the office) are required, taken against a white background within the last 6 months. Clothing is key: you must be dressed formally. Men – a collared shirt and jacket, women – an elegant blouse or jacket. Photos in T-shirts will be rejected. The easiest way is to go to a photo studio in Thailand and ask for “work permit photos” – the photographer will know what you mean.

What company registration documents (DBD) must the employer provide?

The company is responsible for this part, but it is worth knowing what the authorities require. The employer must prepare a package of current documents from the Department of Business Development (DBD), including:

• Company registration certificate.
• List of shareholders.
• Company articles of association, not older than 6 months.
• Certificate of registration as a VAT payer and monthly VAT returns.
• Financial statements for the last year.

All copies must be signed by the director and stamped with the company seal. Officials are extremely meticulous on this point.

Why should a map of the workplace location be attached to the work permit application?

A map showing how to get to the office, along with photos of the building from the outside and your workplace inside, is used to verify that the company actually exists and operates. This is a safeguard against so-called bogus companies, set up solely for the purpose of issuing permits. A legible printout from Google Maps with the location marked and a few photos are sufficient.

What is the step-by-step procedure for obtaining, extending and changing a work permit?

Once you have completed the documents, it is time to move on to the procedure, which can be divided into several stages: submitting an application, annual renewal and situations such as changing jobs. Each step has its own deadlines that must be met.

How to correctly fill in the WP.1 form for a work permit?

Form WP.1 (or Tor Thor 1) is the official application for a new permit. It must be completed carefully, without errors, in English or Thai. The key sections are personal details (as per your passport), company details and a detailed job description. In practice, it is most often completed by the HR department or a legal agency, which minimises the risk of errors.

How to prepare a job description that will be accepted by the Ministry of Labour?

The job description must convince the official why you, a foreigner, are indispensable. Avoid general terms such as “Marketing Manager”. Create a description that highlights your unique skills, e.g. “Marketing Manager for European Markets, responsible for developing export strategy to Poland, requiring fluent Polish and documented experience in EU markets”. The more you can demonstrate that your skills are rare in the local market, the greater your chance of success.

How much does it cost to issue and extend a work permit in Thailand (stamp duty)?

Official government fees are not high, unlike legal fees, which make up the total cost of a work permit in Thailand. Stamp duties are as follows:

Activity	Fee (THB)
Submission of application (form WP.1)	100
Issuance of a permit for up to 3 months	750
Issuance of a permit for a period of 3 to 6 months	1,500
Issuing a permit for a period of 6 to 12 months	3,000
Permit renewal for one year	3,000

On top of that, there is the cost of the visa and Re-entry Permit. If you decide to use a legal agency, which I highly recommend for the first time, expect to pay 15,000-30,000 THB for comprehensive service.

What is the procedure for renewing a work permit?

The first permit is usually valid for one year. The renewal procedure should be started 30-45 days before the expiry date. The process is similar to the initial application: you submit an application (on form WP.5) with a set of updated documents. Missing the deadline has disastrous consequences – your permit expires and you have to leave the country and start all over again, including applying for a new visa.

What happens to your work permit if you change employers?

A work permit is assigned to a specific employer, position and location. It cannot be “transferred” to a new company. When changing jobs, you have to go through the entire procedure again. Your current employer will cancel your permit and your new employer will apply for a new one. During the transition period, you cannot work legally.

How soon after termination of the contract should the work permit and visa be cancelled?

After you finish working, you must cancel your permit, usually within 10 days of your last day of employment. Cancelling the permit invalidates the associated Non-Immigrant “B” visa. The immigration office then usually gives you 7 days to leave the country. If you find a new job during this time and start the procedure immediately, you can apply to stay, but the schedule is very tight.

What are the consequences of working without a permit and what occupations are prohibited for foreigners?

This is a chapter that you must read with the utmost attention. The temptation to work “illegally” may be great, but it is not worth the risk. The Thai authorities have tightened controls and penalties for illegal work, and the consequences can ruin not only your stay but also your future plans.

What are the penalties and fines for working in Thailand without a valid permit?

Working without a permit is a criminal offence. You face a fine of between 5,000 and 50,000 THB. More serious financial consequences will be incurred by the employer – the penalty ranges from 10,000 to 100,000 THB for each illegally employed person. Inspections in offices, restaurants and schools are not uncommon, so reputable companies will not take such risks.

Does working without a permit result in deportation and a ban on entering Thailand?

Yes, and this is the most serious consequence. A fine is one thing, but working illegally almost always results in arrest, deportation and being blacklisted, i.e. a ban on entering Thailand for many years. Deportation itself is an unpleasant experience, often involving a stay in immigration detention (IDC) until you arrange a return ticket at your own expense. This is a scenario you want to avoid.

What jobs can foreigners not legally do in Thailand? (List of prohibited occupations)

The law protects the local market by listing professions reserved exclusively for Thai citizens. Foreigners are categorically prohibited from working as (selected examples):

• Manual labourers and craftsmen (e.g. carpenters, bricklayers).
• Agricultural workers (with some exceptions).
• Shop assistant, sales representative.
• Tourist guide.
• Hairdresser, beautician, masseur.
• Driver (taxi, tuk-tuk, lorry).
• Secretary, simple office worker.
• Lawyer (in the field of court representation).

This is why it is so important to formulate a precise job description that indicates that your work is of a specialised nature and does not encroach on prohibited areas.

What additional tax and registration obligations does an employee with a work permit have?

Obtaining a blue book is a success, but it also marks the beginning of new responsibilities. As a legal resident and employee, you enter the country’s tax and registration system. Ignoring these rules leads to problems.

What income tax (PIT) must a foreigner pay on their salary?

You are subject to progressive income tax (PIT) with a scale from 0% to 35%. Your employer deducts tax advances every month. You are required to file an annual tax return (form PND 91) by the end of March of the following year, which can be done online or at the tax office.

Is an employee with a work permit covered by the Thai social security system?

Yes, legal employment entails the obligation to join the social security system (SSO). The contribution is 5% of your salary (no more than THB 750 per month), and the employer contributes the same amount. In return, you receive an SSO card entitling you to free or low-cost medical care at your designated state hospital. The system also covers sickness and pension benefits.

Does having a work permit exempt you from the registration requirement (90-day report)?

Absolutely not. Every foreigner on a long-term visa must submit a registration report (the so-called 90-day report, form TM.47) to the immigration office every 90 days, confirming their address. Having a permit does not exempt you from this obligation. This can be done in person, by post or online. Failure to submit the report on time will result in a fine.

Do I need to obtain a Re-entry Permit if I have a work permit and am leaving the country?

Yes, this is the most important rule when travelling. Your annual visa is normally a single-entry visa. If you leave the country, it will be cancelled when you cross the border. To prevent this, you must obtain a Re-entry Permit before each departure. It can be single entry (1,000 THB) or multiple entry (3,800 THB). You can obtain it at the immigration office or at airports. Leaving without this stamp is a disaster – it invalidates your visa and work permit.

What special visas and programmes (SMART, LTR, BOI) facilitate employment in Thailand?

The standard path can be long, which is why Thailand has created programmes to facilitate procedures for highly skilled professionals and investors. It is worth checking whether you qualify for one of these “fast tracks”.

If I have a SMART Visa or LTR (Long-Term Resident) visa, do I need a separate work permit?

No, and that is their biggest advantage. Both the SMART Visa and the popular LTR visa Thailand have built-in work rights. Your visa is also your work permit, which radically simplifies the bureaucracy. However, these programmes are elite and have high requirements in terms of income, qualifications or investment. They are aimed at technology experts, wealthy retirees, investors and high-earning digital nomads.

What privileges do companies with Board of Investment (BOI) certification have when hiring foreigners?

Companies certified by the Thai Board of Investment (BOI) operate under different rules. BOI promotes investment in key sectors by offering huge incentives for hiring foreign experts:

• Exemption from the requirement of THB 2 million in share capital per employee.
• Exemption from the requirement to employ 4 Thai nationals for every 1 foreigner.
• The possibility of obtaining a visa and work permit express in one place – the One Stop Service Centre (OSSC).

Working for a BOI-certified company is the most convenient way to legalise employment.

Do digital nomads working remotely need an official work permit?

It’s a legal grey area. According to the letter of the law, any work performed in Thailand, even remotely, requires a permit. For years, the authorities turned a blind eye to this. Recently, the situation has been changing. The introduction of the LTR visa in the “Work-From-Thailand Professional” category, a kind of digital nomad visa for Thailand, is a step towards regulating the status of nomads, but its income requirements (minimum £64,000 per year) are prohibitive for many. Working on a tourist visa remains illegal and risky.

What additional licences (e.g. Teacher Licence) do teachers need to obtain a work permit?

Some professions, in addition to a work permit, require additional industry licences. The best example is foreign language teachers. To obtain a work permit, you must obtain a licence from the Thai Council of Teachers (TCT). The school should assist you in this process. Without this licence, the Ministry of Labour will not issue a permit. Similar requirements may apply to engineers, architects or doctors.