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Firm with soul and honesty

AREAS OF PRACTICE

AREAS OF PRACTICE

Corporate and Mergers & Acquisitions

AREAS OF PRACTICE

Customs and Tax

AREAS OF PRACTICE

Dispute Resolution & Arbitration

AREAS OF PRACTICE

Family

AREAS OF PRACTICE

Intellectual Property

AREAS OF PRACTICE

Labor and Employment

AREAS OF PRACTICE

Real Estate and Property

AREAS OF PRACTICE

Shipping, Maritime & Transportation

people
about us

We are a full-service law firm specializing in various legal practices

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OUR PEOPLE

NAIYACHON TATHONG

MANAGING PARTNER

+66 2 106 8315 Ext. 102

+66 8 9699 1443

naiyachon@jtjb.com

BUNNASOMBOON CHAIPARINYA

PARTNER | HEAD OF CORPORATE DEPARTMENT

+662 106 8315 Ext.103

+66 9 5493 1333

aaron@jtjb.com

KRITTIN POLLAGAN

PARTNER

+66 2 106 8315 Ext. 126

+66 8 1816 3634

krittin@jtjb.com

KOSOL SURIYAPORN

PARTNER

+66 2 106 8315 Ext. 104

+66 8 611 1373

kosol@jtjb.com

NEWS AND UPDATES

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articles

WHY THAILAND REMAINS A STRATEGIC INVESTMENTDESTINATION AMID GLOBAL UNCERTAINTY

As the worldr gapples with geopolitical instability and shifting global trade dynamics – including the recent tensions along the Thai-Cambodian border and U.S. tax pressure – foreign investors may naturally feel cautious. However, a deeper look at Thailand’s economic fundamentals, legal framework, and proactive government policies reveals a resilient and attractive investment landscape.

8/5/2025
articles

FAQ and All You Need to Know about Incorporating a Company in Thailand

Despite recent political unrest and ongoing border conflicts, Thailand has continued to attract foreign investors across several business sectors in recent years. While the overall concept of company incorporation may be similar to that of other countries, the specific criteria and process for establishing a company in Thailand differ in important ways. In this article, we address the most frequently asked questions from our clients about incorporating a company in Thailand. Our aim is to provide clear, practical explanations to help you begin the incorporation process with confidence.

9/1/2025
articles

Thailand’s PDPA

“To pass on our deep understanding of IT risk and control to the society”

10/26/2023
articles

JTJB Panel Discussion & Networking Event 2017

On 24 February 2017, Directors and all staff of JTJB had solemly held the “Grand Opening New Office Ceremony”

10/26/2023
articles

Representative Office – Thailand 4.0

The Representative Office (or so-called “Rep-Office”) is one type of the legal vehicles available for a foreign entity to expand its existence in Thailand.

10/26/2023
articles

WELCOMES NEW BUSINESS PARTNER

JTJB International Lawyers would like to announce and welcome our new business partner, BizWings, a one stop service on administrative work by an experienced

10/26/2023
articles

Asia Business Connect

Naiyachon Tathong, managing director of JTJB Bangkok, was invited to be a speaker on “Labor Law Updates 2018 & Labor Dispute Resolution Strategies” on 27 February 2018

10/26/2023
articles

JTJB BANGKOK INTRODUCES NEW DIRECTOR AND ASSOCIATE

We, JTJB International Lawyers Co., Ltd, would like to introduce our new Director, Mr. Kosol Suriyaporn, who has commenced his duties at JTJB Bangkok office since January 2018.

10/26/2023
articles

Corporate Legal Counsel Forum 2018

Our Director, Khun Bunnasomboon (Aaron) Chaiparinya was a panelist and speaker in the Corporate Legal Counsel Forum held by Asia Business Connect

10/26/2023
news

JTJB Lawyer Gives Perspective on Thai Cave Incident

The 12 boys and their coach that were trapped in a cave in northern Thailand for 17 days certainly made headlines across the world. Rescue divers and Navy Seal members from all different nations came together to help save the boys who lived on limited food rations and minimal oxygen.

10/26/2023
news

JTJB THAILAND HAS BEEN RANKED IN ASIALAW 2023-24

We are delighted to announce that JTJB International Lawyers Co., Ltd. has been ranked as the Highly Recommended Firm in Aviation and Shipping by Asialaw Profiles 2023 edition. Our firm are also ranked as the Recommended Firm

11/2/2023
news

Beginning in 2024, foreign income earned the year before and imported into Thailand the following year will no longer be exempt from Thai personal income tax.

Beginning in 2024, foreign income earned the year before and imported into Thailand the following year

11/3/2023
news

ASIA BUSINESS LAW JOURNALS 2023 THAILAND LAW FIRM AWARDS

We are delighted to announce that JTJB International Lawyers Co., Ltd. (also known as JTJB Thailand) has been awarded by Asia Business Law Journal’s 2023 in Shipping & Maritime.

11/29/2023
news

The A List of Thailand top’s 100 lawyers by Asia business law journal

We are delighted to announce that our Managing Partner and Partner, namely Mr. Naiyachon Tathong and Mr. Bunnasomboon Chaiparinya have been named in Thailand Top’s 100 Lawyers 2023 published by Asia Business Law Journal.

12/1/2023
news

JTJB Thailand is ranking under Corporate M&A in the Chambers Asia-Pacific 2024 Guide

We are delighted to announce that JTJB International Lawyers Co., Ltd. (also known as JTJB Thailand) is ranking under Corporate M&A in the Chambers Asia-Pacific 2024 Guide.

12/18/2023
news

New Partner and Senior Associate

We are proud to announce the continued growth of our firm’s management and team member with promotions of Pornnarong Iamkitsamrith to our newest Partner and Poonyawee Jitjameekorn as Senior Associate respectively.

1/9/2024
news

The Legal 500 Asia Pacific 2024 rankings

We are delighted to announce that JTJB International Lawyers has been once again ranked as Leading Firm for Transport in Legal 500 Asia Pacific Guide 2024.

1/23/2024
articles

Thailand Retirement Visa 2024

Have you ever wished to stay and enjoy your retirement in Thailand? If the answer is yes, then this article would help you to understand

2/23/2024
articles,news

PDPA UPDATES 2024

Thailand’s Personal Data Protection Act B.E. 2562 (the “PDPA”) was announced and published in the Royal Thai Government Gazette on 27 May 2019, and became effective in June 2022

4/9/2024
news

Asia Business Law Journals 2024 Thailand Law Firm Awards

We are delighted to announce that JTJB International Lawyers Co., Ltd. (also known as JTJB Thailand) has been awarded by Asia Business Law Journal’s 2023

4/23/2024
articles

The 2024 Benchmark Litigation Asia-Pacific Rankings

We are pleased to announce that JTJB International Lawyers has been ranked by Benchmark Litigation Asia-Pacific 2024 in 4 categories

5/8/2024
news

BOI UPDATE ON IMPROVEMENT OF EXISTING SOFTWARE PLATFORM FOR DIGITAL SERVICE OR DIGITAL CONTENT

As per the Announcement of the Board of Investment No. Sor. 2/2567 (2024) re; the Modification of Digital Industry’s Investment Promotion, which was published on 15th March 2024, the Board of Investment (so-called “BOI”)

9/17/2024
news

JTJB THAILAND HAS BEEN RANKED IN ASIALAW 2024

JTJB International Lawyers Co., Ltd. has been ranked as the Highly Recommended Firm in Aviation and Shipping by Asialaw Profiles 2024 edition. Our firm are also ranked as the Recommended Firm and Notable Firm in different practice areas and industries

9/17/2024
news

JTJB THAILAND HAS BEEN RECOGNIZED IN THE LATEST IFLR1000 RANKINGS FOR 2024/25.

JTJB International Lawyers Co., Ltd. has been ranked as the Notable Firm in M&A practice in the latest IFLR1000 rankings for 2024/25.

9/18/2024
articles

Mastering Document Production in Arbitration: Key Steps and Pitfalls

In the realm of arbitration, where disputes are resolved outside traditional courtrooms, the exchange of documents can be essential for ensuring fairness and efficiency. Depending on the nature of the arbitration, document production, where necessary,

9/20/2024
articles

LEGAL GUIDELINE TO SET UP 100% FOREIGN-OWNED COMPANY UNDER US-THAI TREATY OF AMITY

The Treaty of Amity and Economic Relations Between the Kingdom of Thailand and the United States of America

10/10/2024
news

Complimentary Training Session on Handling Construction Delay and Disruption Expert Witness Evidence

We’re excited to share that our team just completed a complimentary training session with Sezgin Ozbilgin, a leading testifying delay expert in construction disputes. The session focused on critical areas such as:

11/6/2024
articles

DTV VISA AND NEW THAI VISA UPDATES

The Destination Thailand Visa (DTV) is an exciting new opportunity for foreigners to work, stay, or travel in Thailand for 5-year. It is specifically designed for digital nomads, remote workers, and individuals participating in activities

11/15/2024
articles

Myanmar’s Patent Law Comes into Force: Safeguard Your Inventions Today

Based on today's trend, it must be admitted that one of the most effective strategies for creating and preserving a company's competitive advantage in the global economy lies in the use of patents. By obtaining a patent, a business can prevent competitors from replicating their innovations or technology.

12/4/2024
news

The A List of Thailand top’s 100 lawyers by Asia business law journal 2024

We are pleased to announce that our Managing Partner, Naiyachon Tathong, and Partner and Head of Corporate Department, Bunnasomboon Chaiparinya, have been recognized in Thailand's Top 100 Lawyers 2024.

12/6/2024
news

JTJB Thailand is ranking under Corporate M&A in the Chambers Asia-Pacific 2025 Guide

We are honored to announce that we have been ranked under Corporate M&A and Dispute Resolution in the Chambers and Partners Asia-Pacific 2025 Guide.

12/23/2024
news

Partner Promotion Announcement

We are proud to announce the promotion of our Senior Associate, Mr. Krittin Pollagan, to Partner at our firm.

1/7/2025
news

JTJB Thailand is ranked in the Legal 500 Asia Pacific 2025 as a Leading Firm for Transport

We are thrilled to share that we have been recognized as a Leading Firm by Legal 500 for Transport! This prestigious recognition is a testament to the dedication, expertise, and relentless commitment of our incredible team

1/27/2025
articles

Navigating Maritime Disputes and the Role of Bills of Lading under Thai Law

In the intricate world of international trade, maritime transport is a cornerstone, facilitating the movement of goods across vast distances. Carriers engaged in this industry enter into contracts of carriage, committing to transport goods by sea from one country to another in exchange for freight.

3/24/2025
news

JTJB International Lawyers Wins Two Prestigious Awards in Asia Business Law Jornal’s 2025 Thailand Law Firm Awards

We are proud to announce that we have been recognized in the 2025 Asia Business Law Journal in Shipping & Maritime Awards. This prestigious recognition reflects our unwavering commitment to excellence, innovation, and client-focused legal solutions in the maritime sector.

4/8/2025
articles

WHY THAILAND REMAINS A STRATEGIC INVESTMENTDESTINATION AMID GLOBAL UNCERTAINTY

As the worldr gapples with geopolitical instability and shifting global trade dynamics – including the recent tensions along the Thai-Cambodian border and U.S. tax pressure – foreign investors may naturally feel cautious. However, a deeper look at Thailand’s economic fundamentals, legal framework, and proactive government policies reveals a resilient and attractive investment landscape.

8/5/2025
articles

FAQ and All You Need to Know about Incorporating a Company in Thailand

Despite recent political unrest and ongoing border conflicts, Thailand has continued to attract foreign investors across several business sectors in recent years. While the overall concept of company incorporation may be similar to that of other countries, the specific criteria and process for establishing a company in Thailand differ in important ways. In this article, we address the most frequently asked questions from our clients about incorporating a company in Thailand. Our aim is to provide clear, practical explanations to help you begin the incorporation process with confidence.

9/1/2025
articles

Thailand’s PDPA

“To pass on our deep understanding of IT risk and control to the society”

10/26/2023
articles

JTJB Panel Discussion & Networking Event 2017

On 24 February 2017, Directors and all staff of JTJB had solemly held the “Grand Opening New Office Ceremony”

10/26/2023

AWARD AND RECOMMENDED

Throughout 15 years of experience in the legal field

WE ARE BASED IN BANGKOK

ADDRESS

JTJB International Lawyers Co., Ltd

1788 SINGHA COMPLEX Building, Unit no 1905, 19th Floor,

New Phetchaburi Rd., Bang Kapi, Huai Khwang, Bangkok 10310.

+66 2 106 8315

info.bangkok@jtjb.com

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