Work Permit & Foreign Business License

Complete Guide to Thailand Work Permits & FBL with MoJ-Certified Translation

Covers Tor Tor 3, BOI/IEAT, Smart Visa, LTR, DTV, change of employer, renewal, exemptions, FBL/FBC — compare eligibility, government fees, timelines, and the documents that need MoJ-registered Thai translation.

17+ topicsAligned with DoE / BOI / DBDOSSC submission-ready

Standard Work Permit

Standard Work Permit (Tor Tor 3)

WP-Standard

Issued by the Department of Employment for foreigners holding Non-B visa.

Up to 2 years (linked to visa validity) · 100 THB application + 750–3,000 THB per year

Smart Visa Work Privilege (exemption from work permit)

Smart-WP

Smart Visa holders work in qualifying industries without a separate work permit.

Up to 4 years (matches Smart Visa) · Included in Smart Visa government fee

LTR Visa Digital Work Permit

LTR-WP

Issued digitally to LTR Visa holders as assessed for your documents via BOI portal.

Up to 10 years (linked to LTR) · Included in LTR Visa fee

90-Day Reporting for Work Permit Holders

TM47

Required immigration report every 90 days for Non-B / Non-O / LTR holders staying continuously.

Continuous obligation · Free in person, 200 THB postal

Re-Entry Permit (single / multiple)

TM8

Preserve visa & work permit validity when leaving Thailand temporarily.

Until visa expiry · 1,000 THB single / 3,800 THB multiple

Work-from-Thailand Activity under DTV

DTV-WP

Remote work for foreign employers and freelance digital nomads holding DTV.

5 years (DTV) · 10,000 THB DTV fee

BOI / IEAT

BOI-Promoted Company Work Permit

BOI-WP

Fast-tracked work permit for companies promoted by the Board of Investment.

Up to 2 years (renewable) · 100 THB application + 750–3,000 THB/year

IEAT Free Zone Work Permit

IEAT-WP

Work permit for foreigners assigned to IEAT free-zone operators.

Up to 2 years · 100 + 750–3,000 THB/year

Urgent

Urgent Work Permit (≤ 15 days)

Urgent-WP

Short-term permit for emergency assignments such as equipment installation or audits.

≤ 15 days (one-time) · 750 THB

Changes

Change of Employer

WP-Change-Emp

Transfer work permit and Non-B visa to a new sponsoring employer.

Equals remaining visa validity · 100 + new annual fee

Change of Position / Worksite

WP-Change-Pos

Amend job title, scope, or branch listed in the work permit booklet.

Same as current WP · 100–200 THB

Renewal / Replacement

Work Permit Renewal

WP-Renew

Extend WP for up to 2 more years in line with visa extension.

Up to 2 years per renewal · 750–3,000 THB / year

Lost or Damaged Work Permit Replacement

WP-Lost

Issue a duplicate Tor Tor 3 booklet within 15 days of loss.

Same as original · 500 THB

Exemptions

Volunteer / NGO Work Exemption

WP-Exempt-VOL

Exemption for volunteers serving registered foundations or international NGOs.

Up to 1 year · 100 THB

Diplomatic & International Organization Exemption

WP-Exempt-DIP

Personnel of embassies, UN, ADB, and similar bodies exempt from Tor Tor 3.

Equal to assignment · Exempt

FBL / FBC

Foreign Business License (FBL)

FBL

License required when foreign-majority companies operate in List 2 or 3 of the Foreign Business Act.

Indefinite (subject to compliance) · 20,000–250,000 THB depending on category

Foreign Business Certificate (FBC)

FBC

Certificate for foreigners benefiting from US Treaty of Amity, FTA, BOI, or IEAT exemptions.

Aligned with treaty / BOI / IEAT privilege · 20,000 THB

Free quote — find the right work permit — LINE @THAIL · Tel 092-0170000

Work permits in Thailand: choose the right category before you apply

Foreign nationals working in Thailand need a work permit issued by the Department of Employment. The category depends on your employer and visa: a standard permit for Non-Immigrant B holders, BOI or IEAT channels for promoted companies, and special schemes such as Smart Visa, LTR and DTV with their own work conditions. Key documents are the employer's company papers, the correct visa, and properly translated and certified personal documents. Working without a permit carries penalties for both the worker and the employer, so confirm the right category before starting work.

Common permit categories

· Standard work permit for Non-Immigrant B holders employed by a Thai company
· Permits filed through BOI or IEAT channels for investment-promoted companies
· Smart Visa and LTR schemes with their own work rules
· Changing employer, adding positions or work locations, and renewals

Check before you apply

· Your visa must be a category that supports work — tourist visas and visa exemptions cannot be used to apply
· Employer conditions such as registered capital, Thai-employee ratio and tax filings affect eligibility
· Personal documents from abroad, such as degrees or experience letters, often need certified translation
· Some occupations are reserved for Thai nationals; check the position before applying

Typical steps

· Send the employer details, position and current visa to our team via LINE for assessment
· Prepare company and personal documents, including any certified translations
· File with the Department of Employment or the BOI/IEAT channel, depending on the category
· Receive the permit and follow its conditions — work only in the stated position and location
· Fees: ask our team for a quote. Timing is assessed on your documents.

Limits to know

· Approval is at the officer's discretion; we prepare correct documents but cannot guarantee the outcome
· Processing time depends on the authority's queue and is outside our control
· The permit is tied to the employer and position — changing jobs requires a new procedure
· Information as of September 2026; verify with the Department of Employment before filing

Thailand Work Permit and Foreign Business Licence — Full Guide

A Thai work permit (Tor Tor 3) is a statutory prerequisite for any foreign national engaging in remunerated activity inside Thailand, whether as an employee, executive, consultant, or shareholder-director. Beyond the standard Ministry of Labor route, iLC supports the specialised regimes that dominate modern practice: Board of Investment (BOI) fast-track single-window approvals at the OSOS building, IEAT permits inside industrial estates, Smart Visa for executives, technology experts and startups, Long-Term Resident (LTR) visa, DTV Destination-Thailand digital-nomad visa, and Foreign Business Licence (FBL) or Foreign Business Certificate (FBC) filings under the Foreign Business Act B.E. 2542. Each path has distinct minimum-capital rules (2M/3M/5M THB), Thai-to-foreign employee ratios (4:1 general, waived for BOI and Smart Visa), work-scope definitions, and renewal windows. Missing a single detail — for example a job description that overlaps with a Restricted Occupation List item — is grounds for rejection or a THB 100,000 fine.

End-to-End Process — work permit thailand

The workflow below reflects current 2025–2026 practice with the relevant Thai authority and factors in queue seasonality, translation dependencies, and cross-agency handoffs.

1) Route selection
We map the applicant's role, salary and shareholding to the most efficient route (Ministry of Labor, BOI, Smart Visa, LTR, DTV).
2) Corporate and financial preparation
Company registration, capital paid-up evidence, tax filings and social security registration are readied to meet the underlying test.
3) Visa alignment
Non-B, LTR, or Smart-Visa entry is coordinated with immigration so work-permit filing occurs within statutory windows.
4) Ministry filing
Application, contract, and supporting documents are lodged at the appropriate desk (One Stop, OSOS, or DoE).
5) Approval and card issuance
Blue book (traditional) or digital work permit card is issued, timing is assessed on your documents for BOI and 15 days for standard filings.
6) Annual renewals and reporting
90-day reports, tax filings, and annual permit renewal are handled proactively to avoid overstay or lapse penalties.

Documents and Preconditions

The checklist below covers standard files. Complex or corporate matters can add supplementary certificates, board resolutions, or notarised affidavits; iLC brief these during the intake call.

Passport with valid non-immigrant B or eligible category
Employment contract with detailed job scope
Company registration, tax and social security certificates
Degree and CV of applicant
Health certificate (Form Tor 5) issued within 30 days
Photograph 3×4 cm, business attire

Who Uses This Service

Real-world scenarios where clients rely on this service every month, spanning individual, family, and corporate mandates.

BOI-promoted tech firm

5-day approval of executive and expert permits inside the OSOS window.

Startup founder on Smart Visa

4-year permit without the 4:1 Thai employee ratio, plus family dependent status.

FBL for foreign consultancy

Licence to conduct restricted List-3 services with cabinet approval.

DTV remote-worker

Work-authorised entry for digital professionals employed by offshore companies.

Options and Trade-offs

Three delivery paths are usually available. We select the option that balances cost, deadline pressure, and destination-authority preferences.

Option	Pros	Trade-offs
Ministry of Labor	Universally applicable, straightforward for most employers	Requires 4:1 Thai staff ratio and 2M capital per foreign worker
BOI / OSOS	5-day permit turnaround, no employee ratio	Company must first obtain BOI promotion certificate
Smart Visa / LTR	Multi-year, family included, no Tor Tor 3 needed for some categories	Requires minimum salary or investment thresholds

In-Depth FAQ

Can I start work before the permit is issued?

No. Any remunerated activity before the card is printed is a criminal offence carrying a THB 5,000–50,000 fine.

Is a remote worker for a foreign company required to hold a permit?

Yes if work is performed physically in Thailand; the DTV visa now provides a compliant pathway for many freelancers.

How fast can BOI approval be secured?

Typical BOI application: timing is assessed on your documents; work-permit issuance after promotion: timing is assessed on your documents at OSOS.

Can dependents work?

Only if they hold their own work permit; the family visa alone does not grant work rights.

Points to check

Before you proceed: Thailand Work Permit and Foreign Business Licence — Full Guide

“Before proceeding with Thailand Work Permit and Foreign Business Licence — Full Guide, check names across documents and confirm the receiving authority's requirements to avoid incomplete submissions.”

Thai Law & Accounting Services Co., Ltd.

ทีมข้อมูลบริการ

Scope to assess

Service tier	Fees
เอกสารเดี่ยว / Single doc	Ask our team for a quote
แปล + Notary / Translation + Notary	Ask our team for a quote
MFA legalization	Ask our team for a quote
Embassy chain / สถานทูต	Ask our team for a quote

Workflow

01Review documents and the receiving authority's requirements
02Assess scope, fee, and timing for the specific case
03Process the documents and coordinate any further certification
04Check completeness and deliver by the agreed method

Before submission

For Thailand Work Permit and Foreign Business Licence — Full Guide, confirm names, document types, and the receiving authority's current requirements before starting. Timing and fees depend on each case.

Please confirm current requirements with the receiving authority

Visas, work permits and immigration

Explore the site

Go deeper on Work permit document certification

These guides outline possible certification steps; confirm the receiving authority's current requirements before filing:

Not sure which route applies? Send us the scan — LINE @THAIL · 092-0170000 · Contact@thailaw-accounting.co.th

Documents usually required

Freshly issued company affidavit and certificate of registration
Memorandum and articles of association, or the current shareholder list
Board resolution or power of attorney signed by the authorised director
ID or passport copies of the authorised signatories

Common reasons a bundle is rejected

Job title and duties must match the position registered with the employer.
Permit amendments are required before duties or work location change.
Spell every name exactly as it appears in the passport, across every document in the same bundle.

Prefer not to handle the chain yourself? Send the scans and we run every step for you, from translation to the final endorsement.

How the process runs — Work permit document certification

Obtain freshly issued corporate records covering the whole group of entities involved.
Prepare the board resolution or power of attorney signed by the authorised director.
Translate using the registered English company name and the job titles exactly as filed.
Complete the certification route the counterparty or destination authority requires.
Deliver the certified set together with copies for internal corporate records.

Fees and processing times are set by each authority and vary by document and destination — confirm them with the responsible agency.

Handling it yourself vs letting iLC run it

Aspect	Doing it yourself	With iLC
Working out which steps apply	You read each authority's rules yourself, and usually learn a step was missing only after the bundle is refused.	Our advisers review the documents before work starts and sequence translation, notarisation, MFA, and embassy in one pass.
Time spent filing	Repeat trips to each office, queueing and collecting in person.	We file on your behalf; you send scans and receive the finished set by post or courier.
Risk that the translation is refused	Agency names, job titles, and the certification wording often do not match what the receiving office accepts.	We use terminology and certificate formats the receiving authority has accepted before, with two-stage proof-reading.
If the bundle is rejected	You diagnose the cause and refile yourself, losing a full cycle.	We identify the cause, correct it, and refile without you starting over, with progress reported along the way.

What clients typically use this for

Work permit applications
Permit renewal and amendment
Employer compliance filings

An advisor, not only a document processor

Before any work starts, our team assesses how many certification layers your document actually needs, which authorities are involved, and the correct order for the office you will really file with. One step out of order usually means restarting the whole bundle. More than 15 years of cross-border document work means we recognise how each authority rejects files and prevent it up front.

The certification route is matched to the receiving authority before work begins.
Rejection risks are checked, from name spelling to document validity windows.
The filing sequence is planned around the deadline you actually have.

Consult us at LINE @THAIL · 092-0170000 · Contact@thailaw-accounting.co.th

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