CSBC Law Offices and affiliate a prestigious full service local law firm with a global outlook and strong international links

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21^st Floor, Suite C
191 Silom Complex Bldg
Silom Rd, Silom, Bangrak
Bangkok 10500 Thailand

Tel +66 2 231 3552-3
Fax +66 2 231 3554

Our Firm History

The letters "CSBC" are derived from the initials of the founding partners of the firm.

Founder

2004	CSBC Law Offices ("CSBC") was founded in 2004 by Chatchawarl (Charles) Sornsurarsdr and learned associates to provide expert legal advice and solutions to international and local businesses.
2006	Prapanpong Chaikhamhan, experienced international trade and intellectual property litigator, joined CSBC. Previously, he worked as general counsel for major entertainment businesses in Thailand.
2007	Chansilp Laosiriwut, respected litigator and legal counsel in the areas of commerce, bankruptcy and tax, involving complex criminal and civil cases, joined CSBC in 2007-2015, bringing a wealth of experience and expertise to the partnership.
2026	Phungphong Tunganantiganon, veteran litigator and corporate lawyer, joined our firm in 2026, strengthening the partnership with his legal acumen and knowledge.