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This profile reflects asialaw research. The “(asialaw)” label indicates the source of this content.

Key contacts
CEO: Mr. Kosit Wanakamol
Quick facts
# Partners

Miss Jin Jun

# Other qualified practitioners

50+

# Practitioners (worldwide)

50+

Languages

Thai, Chinese, English

Key practice areas
Corporate and M&A (asialaw)
Firm overview

GDC Firm is a Thailand-based law firm advising international and local businesses on legal, tax, regulatory and commercial matters. With dedicated legal, tax, accounting and audit teams, the firm provides an integrated, multi-disciplinary approach to help clients identify legal, tax and financial considerations and develop practical, compliant and commercially sound solutions.

With a strong focus on foreign investment and cross-border business, GDC Firm supports clients throughout their business lifecycle in Thailand, from market entry and establishment to ongoing operations, compliance, transactions and dispute resolution.

Key practice areas

  • Corporate and M&A
  • Dispute resolution
  • Labour and employment
  • Regulatory
  • Tax
Sector expertise

  • Automotive
  • Construction and materials
  • Energy
  • Industrials
  • Technology and telecommunications
  • Transport
Other offices

BANGKOK OFFICE

252/118 Muang Thai-Phatra Complex Tower B
Room 252/118(G), 23rd Floor
Huai Khwang, Bangkok 10310
Thailand

T: +66 63 693 5797
E: jin@gdcfirm.com
W: https://gdcfirm.com

CHON BURI OFFICE

280/8-9
Bo Win
Si Racha District, Chon Buri 20230
Thailand

T: +66 83 094 6451
E: contact@gdcfirm.com
W: https://gdcfirm.com

Address:
11/152,153,154,155,156,
Khu Khot, Lam Luk Ka District,
Pathum Thani,12130,
Thailand
Tel:+66 83 094 6451 Email:Contact Us Web Address:https://gdcfirm.com
2026 Edition
Corporate and M&A (asialaw)
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Overview
GDC Firm focuses on advising Chinese enterprises on cross-border investment and M&A into Southeast Asia, with particular depth across four sectors: new energy vehicles and automotive supply chains, high-end manufacturing, semiconductors, and infrastructure. The firm provides end-to-end M&A support covering deal structuring, due diligence, transaction execution, and post-merger integration, drawing on expertise in Thai law, BOI investment incentives, and cross-border tax and compliance coordination across Thai and Chinese jurisdictions. GDC has served over 500 enterprises to date and counts Fortune Global 500 companies, Chinese state-owned enterprises, and Thai subsidiaries of prominent multinationals among its client base. Key contacts at the firm include partners Sasipa Panyauthai, Sasikarn Sirimuang, and Koekphon Auttama, each handling M&A and cross-border investment matters, alongside Tax Partner Jun Jin and CPA Partner Jidapa Paparkun, who together underpin the firm's integrated legal and tax offering. All cases provided by firm remain confidential.
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