Firm Profile

Siam Premier International Law Office Limited

Asia-Pacific Guide 2025

Ranked departments
Ranked lawyers
Asia-Pacific

Siam Premier International Law Office Limited

Siam Premier International Law Office Limited

Contact number

+66 2 646 1888

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About

Provided by Siam Premier International Law Office Limited
Asia-Pacific
Firm Overview

Chairman: Prof. Dr. Surakiart Sathirathai

Managing Partner: Chatchavej Chitvarakorn

Number of partners: 15

Number of Lawyers (fee-earners): 90+

Languages: Thai, English

Office Location: Bangkok, Thailand

Firm Details

Siam Premier International Law Office Limited is a leading independent Thai law firm, advising foreign and local clients on the full spectrum of domestic and cross-border corporate transactions, major projects, regulatory matters and disputes in Thailand. Established in 1990, Siam Premier has a strong history of providing pragmatic and innovative solutions to its clients’ legal challenges, enabling its clients to unlock opportunities and achieve commercial outcomes. Siam Premier frequently advises multinational clients and works with leading law firms from across the globe on cross-border and multi-jurisdictional transactions and disputes where the firm adds value by understanding the nuances of local challenges, navigating complex regulatory frameworks, and providing valuable insight into the local business and legal environment in Thailand.

Main Areas of Practice

13 Practice Groups:

  • Antitrust & competition
  • Banking & finance
  • Capital markets
  • Commercial
  • Corporate/M&A
  • Data privacy
  • Digital assets
  • Employment & labour
  • Foreign direct investment
  • Litigation & dispute resolution
  • Public private partnerships (PPP)
  • Restructuring & insolvency
  • Taxation

10 Sectors:

  • Automative
  • Aviation
  • Food & beverage
  • Healthcare & pharmaceuticals
  • Insurance
  • Mining & natural resources
  • Projects & energy
  • Real Property & construction
  • Shipping & logistics
  • TMT

Practice Areas and Offices

International Work

  • Acting for a UK headquartered global health insurance company on the THB 2.17 billion sale of its Thai subsidiary to a US managed global health insurance company.
  • Advising a SGX listed company in its contemplated reverse takeover transaction by conducting a legal due diligence on Thai subsidiaries of a Singaporean company, and providing a write-up on the relevant Thai laws and regulations to be included in the RTO prospectus/circular for submission to the Singapore Exchange Securities Trading Limited (SGX-ST)
  • Acting for a global life insurance company and its Thai subsidiary in the THB 17.5 billion 100% share acquisition of a life insurance subsidiary of a SET-listed bank, and advising on the bancassurance agreement between the parties.
  • Acting for a Swiss-based global pharmaceutical company on the USD 5.4 billion disposal of its animal health business to a US global animal health company with respect to Thai assets.
  • Acting for a global construction consultancy company in the establishment of a foreign-owned company, applying for the Board of Investment (BOI) Promotion Certificate under the category of Trade and Investment Supporting Office (TISO), obtaining foreign business certificate with respect to such BOI certificate, applying for full commencement of business with the BOI, submissions of the progress reports and annual report to the BOI.
  • Advising a global logistics company in various employment matters, particularly in relation to ongoing compliance with the Labour Protection Act.
  • Representing a Chinese vehicle manufacturing company in a lawsuit filed by British global automotive company on the grounds of trademark infringement and licensing agreement.
  • Advising a foreign EPC contractor on the RFP, Project Agreement and Thai laws in the bidding phase of the High Speed Rail Linking Three Airports Project.
  • Advising a leading global provider of B2B travel services on legal and tax considerations for its global restructuring of its hotel reservation and meeting and events business.
  • Acting for a Spanish global energy company in the USD 2.23 billion acquisition of an international exploration and production company.

Ranked Offices

Provided by Siam Premier International Law Office Limited

Thailand - Head office

Siam Premier International Law Office Limited rankings

Asia-Pacific Guide 2025
Filter by
Band
Thailand
Banking & Finance
1 Department
Department
Banking & Finance
3
Banking & Finance
3
Band 3
Capital Markets
1 Department
Department
Capital Markets
4
Capital Markets
4
Band 4
Corporate/M&A
1 Department
1 Ranked Lawyer
Department
Corporate/M&A
3
Corporate/M&A
3
Band 3
Lawyers
Chatchavej Chitvarakorn
2
Chatchavej Chitvarakorn
Head of Corporate/M&A
2
Band 2
Dispute Resolution
1 Department
2 Ranked Lawyers
Department
Dispute Resolution
3
Dispute Resolution
3
Band 3
Lawyers
Suraphon Rittipongchusit
S
Suraphon Rittipongchusit
S
Senior Statespeople
Kong Suriyamontol
3
Kong Suriyamontol
Head of Dispute Resolution
3
Band 3
Employment
1 Department
1 Ranked Lawyer
Department
Employment
3
Employment
3
Band 3
Lawyers
Sumit Masrungson
S
Sumit Masrungson
Head of Employment
S
Senior Statespeople
Insurance
1 Department
3 Ranked Lawyers
Department
Insurance
2
Insurance
2
Band 2
Lawyers
Suraphon Rittipongchusit
S
Suraphon Rittipongchusit
S
Senior Statespeople
Chatchavej Chitvarakorn
2
Chatchavej Chitvarakorn
Head of Insurance
2
Band 2
3
Tassanu Chutikanon
3
Band 3
Real Estate
1 Department
2 Ranked Lawyers
Department
Real Estate
2
Real Estate
2
Band 2
Lawyers
Chatchavej Chitvarakorn
1
Chatchavej Chitvarakorn
Head of Real Estate
1
Band 1
U
Ajjima Kanokmaneechotikul
U
Up and Coming
Restructuring/Insolvency
1 Department
1 Ranked Lawyer
Department
Restructuring/Insolvency
2
Restructuring/Insolvency
2
Band 2
Lawyers
2
Maythawee Sarathai
2
Band 2