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Siam Premier International Law Office

Thailand

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Key contacts
Managing Partner: Chatchavej Chitvarakorn
Quick facts
Number of lawyers

90+

Network memberships

The American Chamber of Commerce in Thailand (AMCHAM), British Chamber of Commerce Thailand (BCCT), Singapore-Thai Chamber of Commerce (STCC), The Australian-Thai Chamber of Commerce

Languages

Thai and English

Offices

Siam Premier, Bangkok and Lao Premier, Vientiane

Key practice areas
Banking and finance
Capital markets
Capital markets : Debt
Capital markets : Equity
Financial and corporate
Corporate and M&A
Restructuring and insolvency
M&A
Financial and corporate
Firm overview

Siam Premier is a leading and long-respected independent Thai law firm, advising foreign and local clients on the full spectrum of domestic and cross-border corporate transactions, regulatory matters and disputes in Thailand. Established in 1990, 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.

Key transactional practices
  • Asset finance
  • Banking
  • Capital markets: Debt
  • Capital markets: Equity
  • Competition
  • M&A
  • PPP/PFI
  • Private equity
  • Project development
  • Project finance
  • Real estate finance
  • Real estate funds
  • Restructuring and insolvency
Address:
26 Floor, The Offices at Central World No. 999/9
Rama 1 Road, Pathumwan
Bangkok, 10330
Tel:+66 (0) 2646 1888 Email:Contact Us Web Address:http://www.siampremier.com
Rankings published in 2026
Banking and finance
Tier 4
20 firms ranked
View full list

Tier 1

A&O Shearman
10 practice areas
View profile
Baker McKenzie
10 practice areas
View profile
Chandler Mori Hamada
11 practice areas
View full profile
Linklaters
10 practice areas
View profile

Tier 2

Norton Rose Fulbright
9 practice areas
View profile
SRPP
7 practice areas
View full profile
Weerawong, Chinnavat & Partners
10 practice areas
View full profile

Tier 3

DFDL
10 practice areas
View profile
DLA Piper
6 practice areas
View profile
Hunton Andrews Kurth
10 practice areas
View profile
Tilleke & Gibbins
10 practice areas
View profile

Tier 4

Kudun & Partners
10 practice areas
View profile
Rajah & Tann (Thailand)
9 practice areas
View full profile
Siam Premier International Law Office
9 practice areas
View full profile

Notable

Jirapat and Partners
3 practice areas
View profile
LawPlus
7 practice areas
View profile
Nishimura & Asahi
8 practice areas
View profile
Silk Legal
6 practice areas
View full profile
TTT+Partners
8 practice areas
View profile
Thanathip & Partners
7 practice areas
View profile
Capital markets : Debt
Tier 4
18 firms ranked
View full list

Tier 1

A&O Shearman
10 practice areas
View profile
Baker McKenzie
10 practice areas
View profile
Linklaters
10 practice areas
View profile

Tier 2

Kudun & Partners
10 practice areas
View profile
Thanathip & Partners
7 practice areas
View profile
The Capital Law Office
6 practice areas
View full profile
Weerawong, Chinnavat & Partners
10 practice areas
View full profile

Tier 3

Chandler Mori Hamada
11 practice areas
View full profile
Hunton Andrews Kurth
10 practice areas
View profile
Tilleke & Gibbins
10 practice areas
View profile

Tier 4

DFDL
10 practice areas
View profile
LS Horizon
10 practice areas
View profile
LawPlus
7 practice areas
View profile
Norton Rose Fulbright
9 practice areas
View profile
Siam Premier International Law Office
9 practice areas
View full profile

Notable

MSC International Law Office Company Limited
3 practice areas
View profile
Nishimura & Asahi
8 practice areas
View profile
TTT+Partners
8 practice areas
View profile
Capital markets : Equity
Tier 4
21 firms ranked
View full list

Tier 1

A&O Shearman
10 practice areas
View profile
Baker McKenzie
10 practice areas
View profile
Linklaters
10 practice areas
View profile
Weerawong, Chinnavat & Partners
10 practice areas
View full profile

Tier 2

Thanathip & Partners
7 practice areas
View profile
The Capital Law Office
6 practice areas
View full profile

Tier 3

Chandler Mori Hamada
11 practice areas
View full profile
Hunton Andrews Kurth
10 practice areas
View profile
Kudun & Partners
10 practice areas
View profile
Tilleke & Gibbins
10 practice areas
View profile

Tier 4

LS Horizon
10 practice areas
View profile
LawPlus
7 practice areas
View profile
Norton Rose Fulbright
9 practice areas
View profile
Siam Premier International Law Office
9 practice areas
View full profile
Wise Equity Legal Counsel
5 practice areas
View full profile

Notable

DFDL
10 practice areas
View profile
KPMG Law Thailand
9 practice areas
View profile
MSC International Law Office Company Limited
3 practice areas
View profile
Nishimura & Asahi
8 practice areas
View profile
SRPP
7 practice areas
View full profile
TTT+Partners
8 practice areas
View profile
M&A
Tier 2
28 firms ranked
View full list

Tier 1

A&O Shearman
10 practice areas
View profile
Baker McKenzie
10 practice areas
View profile
Linklaters
10 practice areas
View profile
Weerawong, Chinnavat & Partners
10 practice areas
View full profile

Tier 2

Chandler Mori Hamada
11 practice areas
View full profile
Siam Premier International Law Office
9 practice areas
View full profile
Thanathip & Partners
7 practice areas
View profile
Tilleke & Gibbins
10 practice areas
View profile

Tier 3

DFDL
10 practice areas
View profile
DLA Piper
6 practice areas
View profile
Hunton Andrews Kurth
10 practice areas
View profile
Kudun & Partners
10 practice areas
View profile
Nishimura & Asahi
8 practice areas
View profile
Rajah & Tann (Thailand)
9 practice areas
View full profile
SRPP
7 practice areas
View full profile
The Capital Law Office
6 practice areas
View full profile

Tier 4

Blumenthal Richter & Sumet
5 practice areas
View profile
Herbert Smith Freehills Kramer
6 practice areas
View profile
KPMG Law Thailand
9 practice areas
View profile
Norton Rose Fulbright
9 practice areas
View profile
TTT+Partners
8 practice areas
View profile

Notable

Axis Legal
3 practice areas
View profile
JTJB International Lawyers
3 practice areas
View profile
LawPlus
7 practice areas
View profile
MSC International Law Office Company Limited
3 practice areas
View profile
Nagashima Ohno & Tsunematsu
1 practice area
View profile
Silk Legal
6 practice areas
View full profile
Wise Equity Legal Counsel
5 practice areas
View full profile
Restructuring and insolvency
Tier 3
16 firms ranked
View full list

Tier 1

Baker McKenzie
10 practice areas
View profile
Chandler Mori Hamada
11 practice areas
View full profile
Weerawong, Chinnavat & Partners
10 practice areas
View full profile

Tier 2

Kudun & Partners
10 practice areas
View profile

Tier 3

A&O Shearman
10 practice areas
View profile
DLA Piper
6 practice areas
View profile
Hunton Andrews Kurth
10 practice areas
View profile
LS Horizon
10 practice areas
View profile
Norton Rose Fulbright
9 practice areas
View profile
Rajah & Tann (Thailand)
9 practice areas
View full profile
Siam Premier International Law Office
9 practice areas
View full profile
Tilleke & Gibbins
10 practice areas
View profile

Notable

DFDL
10 practice areas
View profile
Herbert Smith Freehills Kramer
6 practice areas
View profile
KPMG Law Thailand
9 practice areas
View profile
Silk Legal
6 practice areas
View full profile
Linked Reviews
Financial and corporate

Founded in 1990, independent law firmSiam Premier International Law Officeis a well-known name in the Thai market for high-quality corporate and M&A work. The firmmaintainsits offices in Bangkok.  

The firm works on domestic and cross-border corporate and M&A transactions for clients such as buyers,sellersand targets. The firm has experience in sectors such as automotive, aviation, food & beverage, healthcare, pharmaceuticals, insurance, mining, energy, real estate,logistics,technologyand telecommunications.  

Highlights  

The banking and finance team was notably active for both lenders and borrowers on significant project financing deals.  

The capital markets group showcased its versatility by handling a mix of debt and equity offerings, including advisingKTCon the establishment of a US$2 billion medium-term note programme and the subsequent placement of long-term debentures and short-term bills of exchange under it.  

The M&A practice also stood out, securing high-profile instructions such as advisingMidea Groupon its acquisition of a controlling 97.38% interest inTeka Industrial.  

Key clients  

Krungthai Card, Knight Club Capital Asset Management, Phillip Securities (Thailand) Public Company, Midea Group, and Hillhouse Investment Management.  

Testimonials  

M&A 

We appreciate the fast response and willingness to assist. The support provided was comprehensive, with helpful information and practical suggestions that made sense and added value.”  

Ajjima Kanokmaneechotikul 

“I appreciate her fast response and willingness to assist. The support provided was comprehensive, with helpful information and practical suggestions that made sense and added value.” 

9 results9 results
Deal Highlights
16 results16 results
Deal Name Deal Date Firm Name Jurisdiction Deal Type Lawyer Names Client Names Client Role
Ayudhya Capital Auto Lease - Bond Issue
2021-05-01
Siam Premier International Law Office
Thailand
Bond issue
Ayudhya Capital Auto Lease
Issuer
Krungthai Card - Bond Issue
2021-03-01
Siam Premier International Law Office
Thailand
Bond issue
Krungthai Card
Issuer
Krungsriayudhya Card Co - Bond Issue
2021-03-01
Siam Premier International Law Office
Thailand
Bond issue
Krungsriayudhya Card Co
Issuer
Ngern Tid Lor Co Ltd - Bond Issue
2021-04-01
Siam Premier International Law Office
Thailand
Bond issue
Ngern Tid Lor Co Ltd
Issuer
Chaopraya Mahanakorn pcl - Bond Issue
2021-04-01
Siam Premier International Law Office
Thailand
Bond issue
Chaopraya Mahanakorn pcl
Issuer
Charn Issara Development pcl - Bond Issue
2021-01-01
Siam Premier International Law Office
Thailand
Bond issue
Charn Issara Development pcl
Issuer
Home Product Center - Bond Issue
2021-09-01
Siam Premier International Law Office
Thailand
Bond issue
Home Product Center
Issuer
Krungthai Card - Bond Issue
2021-01-01
Siam Premier International Law Office
Thailand
Bond issue
Krungthai Card
Issuer
Krungthai Card - Bond Issue
2021-08-01
Siam Premier International Law Office
Thailand
Bond issue
Krungthai Card
Issuer
Lalin Property - Bond Issue
2021-08-01
Siam Premier International Law Office
Thailand
Bond issue
Lalin Property
Issuer
Krungthai Card - Bond Issue
2021-11-01
Siam Premier International Law Office
Thailand
Bond issue
Krungthai Card
Issuer
PTT Global Chemical pcl - Bond Issue
2021-11-01
Siam Premier International Law Office
Thailand
Bond issue
PTT Global Chemical pcl
Issuer
Krungsriayudhya Card Co - Bond Issue
2022-03-01
Siam Premier International Law Office
Thailand
Bond issue
Krungsriayudhya Card Co
Issuer
Bound & Beyond Pcl - Bond Issue
2022-03-01
Siam Premier International Law Office
Thailand
Bond issue
Bound & Beyond Pcl
Issuer
Minor International - Bond Issue
2022-03-01
Siam Premier International Law Office
Thailand
Bond issue
Minor International
Issuer
Krungthai Card - Bond Issue
2022-03-01
Siam Premier International Law Office
Thailand
Bond issue
Krungthai Card
Issuer
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