Department profile
Weerawong C&P

Competition/Antitrust

Asia-Pacific Guide 2026 : Thailand


Weerawong C&P

Rankings

About

Provided by Weerawong C&P

Weerawong C&P is recognised as the market leader in competition and antitrust law in Thailand, advising clients on a full spectrum of complex matters with deep expertise and practical insight into the Trade Competition Commission of Thailand (TCCT). Their team combines academic understanding with hands-on experience, delivering clear strategies and effective solutions. The firm assists clients with defense strategies, filing assessments, preparation and submission of filings, contract reviews, and compliance policies. Where necessary, it conducts market analysis and works with economists to ensure robust economic arguments. Its sector experience includes retail, consumer products, telecommunications, private equity, logistics, automotive, energy, transport, insurance, aviation, manufacturing, healthcare, specialty chemicals, media, and cinema. The firm is also trusted by leading operators in the platform economy, an industry under increasing scrutiny by regulators worldwide and the TCCT.In addition to client work, Weerawong C&P actively contributes to the development of competition law in Thailand. Its lawyers participate in public hearings, provide input to the TCCT and international organizations, and lecture on competition law at Chulalongkorn University. The firm was the only private law practice invited by the TCCT and International Trade Centre to share practitioner insights, and it recently provided comments before the National Assembly on proposed amendments.

Industries (10)

  • Retail
  • Consumer products
  • Telecommunications
  • Private equity
  • Logistics
  • Automotive
  • Energy
  • Transport
  • Insurance
  • Aviation

Chambers Review

Provided by Chambers

Competition/Antitrust - Thailand

Band 1

Band 1


What the Team is Known For

Weerawong C&P's antitrust team regularly collaborates with its leading corporate practice to advise clients on merger control relating to various transactions in Thailand. The team represents Thai and international companies in the consumer goods, TMT, logistics, healthcare and energy sectors. The competition team also helps companies with advisory matters, including drawing up competition compliance manuals.

Strengths

Provided by Chambers

  • Weerawong C&P provides legally and commercially sound advice despite time-sensitive and high-pressure issues. The firm has a well-balanced team.

    Competition/Antitrust respondentAsia-Pacific
  • I'm very impressed. They are very responsive, well-researched and can provide hands-on experience.

    Competition/Antitrust respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Band 1Chumpicha Vivitasevi
    Band 1Chumpicha Vivitasevi

    Chumpicha Vivitasevi

    Chumpicha Vivitasevi regularly advises Thai and international clients on competition compliance and merger filing. She also defends clients against investigations from the OTCC.
    • Chumpicha Vivitasevi has hands-on experience in antitrust cases in Thailand. She is very responsive and caring.

      Competition/Antitrust respondentAsia-Pacific
    • She is very smart and responsive. Her lawyering skills are her strength. She always provides options for the client.

      Competition/Antitrust respondentAsia-Pacific

Ranked Individuals at Weerawong C&P (1)

Thailand

Members

Provided by Weerawong C&P

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