About the document
- Country:
- Thailand
- Category:
- Visa documents
- How to fill:
- Chat in any language → original form → PDF
- Price:
- form free · chat ฿149 per document
- Last updated:
What this document is
STM.4 (แบบ สตม.4, “Certification Form for Education and Work Experience”) is an official form of the Thai Immigration Bureau. In it, the Thai employer certifies that the foreigner it wants to hire has the education and work experience required for the position stated in the work permit application.
The form is meant for a foreigner who applies to change the type of visa to Non-Immigrant B (business/employment) while in Thailand. It is signed by the employer, the applicant and two witnesses. The form warns that false information is prosecuted under Thai law.
Who signs it
- the employer — according to the note on the form, an authorised person who signs under the company registration certificate;
- the applicant — the foreigner being hired;
- two witnesses.
What the form asks for
- the applicant's title (Mr./Mrs./Miss), name, passport number, age and nationality;
- the name and position of the employer's signatory and the name of the company, partnership or shop;
- the position the foreigner is hired for;
- education: highest degree, field of study, institution, country and year;
- work experience: up to three previous jobs — position, employer and years;
- signatures — by hand.
What to prepare
- the applicant's passport;
- the diploma and other education documents;
- documents confirming previous work experience, if available;
- the company registration certificate showing who may sign for the company.
The full document list for a change of visa, translation and certification requirements and fees differ by case: check them with the immigration office where you file the application.
How to fill it in with FoxDocs
- Open the chat on this page and write in any language.
- Answer the questions about the applicant, the employer, education and work experience — the assistant fills the boxes and marks the title.
- Check the fields and download the PDF.
- Print it, have it signed by the employer, the applicant and two witnesses, and submit it with your application at the immigration office.
Sources
Official STM.4 form: 32.Form-STM4.pdf (Thai Immigration Bureau, immigration.go.th). Checked on 2026-10-08. This is not legal advice.