Chandler MHM

Sawanee Gulthawatvichai

Senior Associate

Sawanee Gulthawatvichai

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Sawanee is a Senior Associate at Chandler MHM Ltd. (CMHM), and has been with the firm since 2012. She specializes in mergers and acquisitions, corporate and investment law, labour law, Oil & Gas law and has particular expertise regarding corporate structuring/restructuring, business transfer transactions and company incorporations. She has represented various foreign clients and companies in connection with advising on corporate structure, joint venture partnership relationships, business transfer arrangements, HR matters, Oil & Gas projects and due diligence projects.  


Some Representative Transactions:

  • Thai Oil Public Company Limited on the restructuring of its shareholding in its power business.
  • a manufacturer in the cosmetic business in relation to the Thai law aspects of its strategic transformation.
  • a major cosmetic manufacturer and retailer based in Japan, on the sale of its Thai subsidiaries.
  • a multinational manufacturer of packaging systems in relation to the acquisition of the majority of the shares in a target company. Advice included due diligence on the target company, contract negotiations and contract drafting, and closing.
  • a major oil and gas company on petroleum law, constitution law, administrative law, and perspectives on arbitration for international arbitration dispute involving interpretation of concessionaire’s obligations under a concession contract.
  • various companies in acquisition and investment in an entity for business operations in Thailand.
  • oil & gas companies on transactions in connection with the Petroleum Act and Department of Mineral Fuels in Thailand.
  • various companies on acquiring the promoted certificates under the Board of Investment, permissions for foreign business operations certificates and licenses under the US-Treaty Amity and/or the Department of Business Development in Thailand.
  • various companies in connection with advising on corporate structure, joint venture partnership relationships and/or due diligence projects.


  • University of Aberdeen (LL.M. in International Commercial Law, 2012)
  • University of Aberdeen (LL.M. in Oil & Gas Law, 2011)
  • Chulalongkorn University (LL.B., 2009)


  • Short Training Course in Upstream Oil & Gas Law (Bangkok, 2018)


  • Member of the International Bar Association (IBA)
  • Member of the Association of International Energy Negotiators (AIEN)


  • Doing Business in Thailand 3rd Edition (Chandler MHM Limited, 2021, co-author)

  • "Getting The Deal Through – Mining" (Globe Business Publishing (Asia) Ltd., yearly, co-author)

  • "Asian-mena Counsel - Thailand: New Mineral Acts" Projects & Energy Special Report" (Pacific Business Press Limited, 2017, co-author)

  • "BOI: Current Investment Promotion Policies in Thailand - July 2015 Update" online quarterly newsletter (Chandler MHM Limited, 2015, co-author)

Sawanee Gulthawatvichai:Newsletters

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