Thai Legal & Immigration Service Co., Ltd. sealThai Legal & ImmigrationVisa & Work Permit Lawyers
Bangkok temple and city skyline

Thai Legal & Immigration Service Co., Ltd.

Thai Visa & Work Permit Specialists

From your first entry stamp to permanent residence, six licensed Thai attorneys and multilingual coordinators handle every visa, extension and work permit with rigorous document compliance.

6

Licensed Thai attorneys

2

Offices: Bangkok & Khon Kaen

77

Provinces served by field reps

6

Client languages supported

Core practice 01

Thai Visas & Long-Stay Residency

Every Thai visa route: DTV, LTR, SMART, retirement, marriage, family, business, study, extensions and permanent residence.

All 16 guides

Destination Thailand Visa (DTV)

Five-year multi-entry visa for remote workers, freelancers and soft-power participants.

Long-Term Resident Visa (LTR)

Ten-year BOI-endorsed residence for high-net-worth individuals, pensioners and professionals.

Retirement Visa (Non-Immigrant O / O-A)

Long-stay pathways for applicants aged 50 and over with deposit or pension evidence.

Marriage & Dependent Visa (Non-O)

Residence based on marriage to a Thai national or as a dependant of a foreign resident.

Business Visa (Non-B)

Employment and investment-based residence sponsored by a Thai entity.

Privilege / Elite Visa Advisory

Independent comparison of Thailand Privilege membership against government residence schemes.

Tourist Visa (TR) & Tourist Extensions

Single- and multiple-entry tourist visas, plus the in-country 30-day extension.

Visa-Exemption Entry & 30-Day Extension

Advice on visa-exempt stays and extending them lawfully at immigration.

Thai Family Visa (Non-O) – Parents & Children of Thai Nationals

Long-stay visas and yearly extensions for parents and children of Thai citizens.

Education Visa (Non-ED)

Visas for students at Thai universities, schools and accredited language or training institutes.

Volunteer Visa (Non-O) & Volunteer Work Permit

Visas for volunteers at registered Thai foundations, NGOs and charities.

SMART Visa (BOI)

Up to four-year stays for talent, investors, executives and start-ups in targeted industries.

One-Year Extension of Stay

Yearly extensions for retirement, marriage, family, employment and study visas.

Change of Visa Type Inside Thailand

Converting from a tourist or exempt stay to a Non-Immigrant visa without leaving the country.

Thai Permanent Residence

Applications for permanent residency under the investment, employment, family and expertise categories.

Overstay, Blacklist & Visa Problem Resolution

Legal advice when a stay has expired, an extension was refused or a re-entry ban applies.

Core practice 02

Work Permits & Expat Compliance

New, renewed, amended and digital work permits, BOI fast track, director permits, 90-day reports, TM.30 and re-entry.

All 13 guides

Your path in Thailand

One team for every stage

  1. Step 1

    Arrive

    Tourist or exempt entry, or the right visa from abroad.

  2. Step 2

    Long-stay visa

    Retirement, marriage, business, DTV, LTR or SMART.

  3. Step 3

    Work permit

    Eligibility check, application and digital permit.

  4. Step 4

    Stay compliant

    Yearly extensions, 90-day reports, re-entry permits.

  5. Step 5

    Settle

    Permanent residence once you qualify.

Other services

Attorney signing legal documents

Our standard

Compliance first, never shortcuts

  • No guarantees, only diligence

    Immigration decisions are sovereign. We maximise approval probability with complete, statute-aligned dossiers.

  • Licensed attorneys and notaries

    Notarial Services Attorneys registered with the Lawyers Council of Thailand.

  • Official sources only

    We link to official government portals rather than circulating unverified contact details.

Office

Bangkok Head Office

Next to MRT Yellow Line – Mahat Thai Station. Dedicated client parking.

Office

Khon Kaen Branch

On Na Mueang Road in Khon Kaen city centre, serving the northeastern region.

Questions

Frequently asked

Can you guarantee my visa will be approved?
No firm can lawfully guarantee approval. Decisions rest with the Royal Thai Immigration Bureau and the Ministry of Foreign Affairs. Our role is to maximise approval probability through rigorous document compliance and statutory adherence.
What does the Free Initial Case Assessment include?
A preliminary eligibility review of your goal and documents by our team, followed by a written outline of the recommended route and a formal quotation. In-depth legal advice and representation are provided under a formal engagement.
Do you serve clients outside Bangkok?
Yes. Besides our Bangkok head office and Khon Kaen branch, our field representatives operate across all 77 provinces of Thailand.
How are your fees structured?
Fees depend on the complexity of each matter. Request a formal quotation, or consult our legal team for a detailed fee schedule.

Start with a Free Initial Case Assessment

Share your goal and documents. A licensed coordinator reviews eligibility and replies with next steps and a formal quotation.