Type B work visa
Visa neededPeople coming to work or teach school.

Thailand visas
People coming to work or teach school.
People undertaking skilled work or working as experts or specialists.
Film producers, journalists and reporters with permission from the Ministry of Foreign Affairs.
People performing duties for state enterprises or social welfare organisations, including non-governmental organisations, and sports coaches required by the Thai government.
People conducting scientific research or teaching at a research institute.
Foreigners coming to work need the relevant visa and a work permit.
Foreigners coming to work need the relevant visa and a work permit.
There are 5 options: Type B work visa (a visa from an embassy); Type EX expert visa (a visa from an embassy); Type M media visa (a visa from an embassy); Type O duties and coaching visa (a visa from an embassy); Type RS research and teaching visa (a visa from an embassy).
A non-immigrant visa or resident visa.; Work permit documents provided by the employer..
1. 1. Hold a non-immigrant visa or resident visa. 2. 2. Have an employer who will provide the work permit documents. 3. 3. Check that the occupation is allowed for foreigners. 4. 4. Apply for a work permit.
A work permit is required to work legally. The occupation must not be prohibited to foreigners.
Yes. Rules depend on the country that issued your passport. Open the Thailand visa page and choose your passport for a plain answer.
Yes. Officials can refuse a visa or entry, even after you apply. Give true answers, bring the documents asked for, and keep proof of your onward trip and money.
On Thailand's official immigration or foreign ministry website, or at its embassy. Rules change, so check close to your trip.
Often you cannot switch visa type inside the country. Ask the immigration office before you travel if you might need to.
Reviewed by @snuck