What Is the Non-Immigrant "B" Visa?
The Non-Immigrant "B" Visa, commonly known as the Thai Business Visa or Work Visa, is required for foreign nationals who plan to work, conduct business, or undertake investment activities in Thailand.
This visa is the first essential step before applying for a Thai Work Permit, which legally allows a foreigner to work in the country.
This visa is typically issued as a Single-Entry (90 days) visa, which can later be extended to a One-Year Extension of Stay after obtaining the Work Permit. It is a critical requirement for anyone seeking legal employment or business operations in Thailand.
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Short-Term
Business visit visas for temporary stays
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BOI Company
For foreign professionals employed by Thai companies
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Investment
For investors with minimum THB 10 million investment
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NON-B Visa Categories

Application Process
Five straightforward steps to secure your NON-B visa
Why Choose Niti Legal Advisory?

Expert Guidance
We assess your goals and background to recommend the most
suitable Thailand Privilege package for your lifestyle.
End-to-End Support
Document preparation, direct coordination with authorities, accuratesubmission, and regular updates.
Risk Assessment
Visa issuance coordination, annual reporting guidance, and long-termcompliance support.
Proven Track Record
Beyond the visa, we advise on residency planning, relocation matters,and long-term legal security.
Corporate Compliance
Ongoing immigration and regulatory support
Frequently Asked Questions
Find answers to common questions about NON-B visa applications
In some cases, yes if you hold a valid non-tourist visa. Tourist visa conversion is subject to specific immigration criteria.
Typically 3–6 weeks depending on company readiness and documentation.
No. You must obtain your work permit first. The visa and work permit are separate requirements.
Generally 2 million THB registered capital per foreign employee, or 1 million THB if married to a Thai national. Subject to change and case-specific conditions.
Yes. Without a re-entry permit, your visa extension will be automatically cancelled upon departure.
Who Needs a Non-Immigrant "B" Visa?
Work with a Company
Foreign nationals employed by a company legally registered in Thailand
Teaching Positions
Educators and instructors in schools or educational institutions
Business Meetings
Those conducting business meetings, negotiations, or trade activities
Investment Activities
Business owners, investors, and company management personnel
Important Requirements for Employers and Applicants
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4:1 Labor Ratio: The company must meet Thai "4:1 ratio" labor requirements (4 Thai employees per 1 foreign employee)
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Paid-up Capital: The company must have a paid-up capital of at least THB 2 million per foreign employee
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Foreign Signatory: If the company's authorized signatory is a foreign national, they must also hold a valid work permit
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Tax Compliance: The company must be registered for VAT (PP.20) and paying taxes on a monthly basis
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No Early Work: Applicants must not work in Thailand before receiving their Work Permit
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Overstay Penalties: Overstay penalties are strict; applicants should monitor visa expiration dates closely
Personal Documents
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Valid passport (6+ months validity)
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Passport copies (biographical page)
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Completed TM.87 form
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Recent passport-sized photos
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Police clearance certificate
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Medical certificate (if required)
Company Documents
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Company registration certificate
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Memorandum & Articles of Association
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List of shareholders and directors
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Audited financial statements
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VAT registration (PP.20)
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Employer letter (job description, salary)
Prepare Required Documents
Guide you in preparing all required documents correctly and completely
Embassy Coordination
Coordinate with embassies for necessary affidavits and official requests
Fingerprinting Assistance
Assist with fingerprinting and submission to the Royal Thai Police
Application Follow-up
Follow up on your application to ensure timely processing and no delays
Secure Delivery
Arrange secure delivery of your Police Clearance Certificate to your location
Verification Support
Provide additional support for certificate verification if needed by authorities
Work Permit and Extension Process
Work Permit Application
After entering Thailand with your Non-Immigrant B Visa, you must apply for a Work Permit within 7 days. This is a critical step that allows you to legally work in Thailand.
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Processing time: 3-5 business days
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Valid for 1 year from issuance
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Renewable annually
One-Year Extension
Once you have your Work Permit, you can apply for a One-Year Extension of Stay, which allows you to remain in Thailand for a full year without visa runs.
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Processing time: 5-7 business days
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Valid for 1 year from approval
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Renewable annually
How Our Firm Can Help
Non-Immigrant B Visa Applications
Complete assistance with visa application preparation and submission at Thai embassies
One-Year Visa Extensions
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TM.30 Registration
Help with residence notification (TM.30) to Thai immigration authorities
Work Permit Processing
Expert handling of work permit applications and all required documentation
90-Day Reporting
Assistance with mandatory 90-day immigration reporting requirements
Compliance Support
Ongoing support to ensure full compliance with Thai immigration and labour regulations
Service Packages
Important Information
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Police clearance certificates are typically valid for 6-12 months from the date of issue
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Processing times may vary depending on the police station and current workload
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Some countries may require additional verification or apostille certification
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We can assist with apostille certification for international use
Why Choose Niti Legal Advisory
Expert Team
Years of experience with Non-Immigrant B Visa and work permit applications
Complete Documentation
We ensure all documents meet Thai immigration requirements perfectly
Fast Processing
Efficient handling ensures your visa and work permit are processed quickly
Compliance Expertise
Full knowledge of Thai labour and immigration regulations
What Sets Us Apart
Business Visa
3.Business Visa
Thailand’s Business Visa (Non-Immigrant B visa) is designed for foreigners who wish to work, invest, or conduct business in the country. This visa allows holders to engage in professional or business activities, apply for work permits, and stay long-term with annual renewals. It is ideal for entrepreneurs, investors, and professionals looking to establish or expand their business presence in Thailand, but it requires careful preparation of company documents, financial records, and other legal paperwork.
Our team simplifies the Business Visa process by guiding you through eligibility requirements, preparing all necessary documents, and coordinating with Thai immigration
authorities. We assist with company registration, work permit applications, and visa submission to ensure full compliance with Thai law. With our support, obtaining and renewing your Thailand Business Visa becomes a smooth, efficient, and stress-free experience, allowing you to focus on growing your business in Thailand.

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customerservice@niti-legal.com
+66 98 478 2422
Bangkok: Office Interchange 21, 399 Soi Sukhumvit 23, Khlong Toei Nuea, Watthana, Bangkok 10110, Thailand




