Thames Legal

(+66) 02 088 6288
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(+66) 02 088 6288
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Your Trusted Legal Partner in Thailand

Located in Rangsit, only 6 km north of Bangkok, our dynamic law firm is dedicated to delivering exceptional results with unwavering commitment and personalised care

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Our Services

Thames Legal provides comprehensive legal services to individuals, startups, and businesses operating in Thailand and internationally. Our practice areas are designed to deliver strategic, practical, and commercially focused legal solutions.

Corporate & Commercial Law Intellectual Property Law Tax Advisory Accounting & Financial Advisory Entertainment & Media Law Medical & Healthcare Law Labour & Employment Law Environmental Law & ESG Advisory Public & Administrative Law Dispute Resolution Data Protection & Regulatory Compliance Legal Documents, Notarial & Legalisation Services

At Thames Legal, your trusted legal partner, we are committed to providing premium yet accessible legal services in Thailand to both Thai and international clients. Based in Rangsit, our law firm offers expert guidance with a personal touch, combining in-depth legal knowledge with fast response times and practical solutions.

Founded to address the growing demand for reliable, affordable and English-speaking lawyers in Thailand, Thames Legal stands apart from traditional firms through our responsiveness, transparency, and client-focused approach. Whether you’re a foreign investor navigating legal processes in Thailand, a Thai business dealing with international partners or an individual seeking straightforward legal advice, we deliver tailored solutions that align with your goals.

Our specialists can help supporting clients with matters involving business law, immigration, contracts, family law and so much more. With a strong presence in Rangsit, we are proud to be a trusted local law firm, helping clients both locally and nationwide.

We believe that high-quality legal support should be clear, convenient and cost-effective. Our mission is to simplify the legal experience while upholding the highest standards of professionalism. We ensure that our clients receive the swift and reliable support they deserve.

What Sets Us Apart

We combine deep legal expertise, personalised guidance, and seamless execution delivering clarity, confidence, and excellence in every matter we handle.

Expertise

With our deep knowledge in Thai and international law, we deliver comprehensive solutions that ease your worries, allowing you to focus on what matters most and live with peace of mind.

Personalised

We are a small but dynamic, we offer tailored hands-on service. Ensuring your legal needs are addressed with attention and care. You can reach us no matter where you are, always ready to assist.

Efficient and Convenient

Outside the traffic congestion of Bangkok, in close proximity to Don Mueang Airport (DMK), we offer easy access and quicker response times for your legal needs no matter where you are.

Comprehensive Solutions

From dispute resolution to contracts, registrations, and training, we offer a full range of services to meet your legal needs. Our expert team is here to help.

Our Team

At Thames Legal, our well-rounded team offers full-service legal support tailored to each client’s needs. We’re equipped to handle a wide range of matters with professionalism and care.

Patcharawan

Rujirachun

Managing Partner & Founder

Thanatorn

Khomkham

Associate

Suchaya

Puthiwinyoo

Associate

Tayanun

Pongsiri

Paralegal

Pongprueth

Rujirachun, M.D.

Consultant

Thanarat

Phaijit

Office Manager

Natchaya

Pichetsatha

Consultant

Suchanun

Chalermkiat

Accountant

Varin

Ruangturakit

Business consultant

Client Testimonials

quote

“I like to thank Thames Legal Thailand again and again, for all the assistance, advice, and support throughout my legal process in Pattaya Thailand case. I could not have asked for better representation and I was incredibly pleased with the final outcomes of the court order. I would recommend your service without no hesitation to anyone who asked for honest legal team. It was a very challenging time both emotionally and administratively for me, but I was always 110% confident that I was in safe hands with my representative lawyer Ms Patcharawan (Title). The firm was working with the best interests at heart and my most heartfelt gratitude for your efforts and understanding in such a difficult time.”

Mr.Sarkis
quote

“Patcharawan (Title) helped me when I needed to renew my visa. Title is very friendly, knowledgeable and punctual. Always on time and explained everything in an understandable but concise manner. I highly recommend her expertise on any legal issues. A very dependable problem solver.”a

Mr.Chia Chen Tsai
quote

“I’m so grateful with the quality of service that your company provides me and the way that you conduct the business is efficient. Thank you for your excellent service.”

Mr.Akkharawi

Expert Articles

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Frequently Ask Questions

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Absolutely not! Although it might be most effective if you are in surrounding areas (Thanyaburi, Khlong Luang, Mueang Pathum Thani, Lam Lukka, Pakkret, Lak Si, Don Mueang or Sai Mai) to have an in-person consultation.
But your convenience is our priority. We offer both online and on-site consultations. Whether you’re in Phuket or Taipei, we’ve assisted clients wherever they need us. However, additional transportation fees may apply for on-site visits.

Corporate & Commercial Law

  1. Company incorporation and corporate structuring in Thailand
  2. Shareholders’ agreements, joint ventures, and investment arrangements
  3. Drafting and review of commercial contracts and business agreements
  4. Legal due diligence for mergers, acquisitions, and investments
  5. Foreign business advisory, including Foreign Business Act (FBA) and BOI matters
  6. Ongoing corporate legal advisory and monthly retainer services
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Intellectual Property Law

  1. Trademark registration and protection in Thailand and internationally
  2. Trademark search, clearance, and registrability analysis
  3. Copyright registration and advisory services
  4. Patent and petty patent registration and prosecution
  5. Renewal, assignment, and recordal of intellectual property rights
  6. Drafting and review of licensing, assignment, and commercialization agreements
  7. Intellectual property enforcement and dispute resolution
  8. Strategic intellectual property advisory for corporate clients and startups
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Tax Advisory

  1. Corporate and personal tax planning advisory
  2. Tax structuring for businesses and investors
  3. Advisory on corporate income tax, VAT, withholding tax, and specific business tax
  4. Tax compliance review and risk assessment
  5. Cross-border tax advisory and double taxation issues
  6. Assistance and representation in tax audits and inquiries by tax authorities
  7. Ongoing tax advisory services for businesses
Get in touch

Accounting & Financial Advisory

  1. Accounting and bookkeeping services in compliance with Thai accounting standards
  2. Monthly accounting services and statutory filings
  3. Preparation and filing of annual financial statements
  4. Payroll management and social security filings
  5. Accounting support for company incorporation and business setup
  6. Coordination with licensed accounting firms and certified auditors
  7. Accounting compliance review and financial reporting advisory
  8. Ongoing accounting support services for businesses
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Entertainment & Media Law

  1. Drafting and review of artist, performer, and influencer agreements
  2. Presenter, endorsement, and brand ambassador agreements
  3. Media and content production agreements for film, television, and digital media
  4. Copyright and intellectual property protection in the entertainment industry
  5. Advisory services on advertising law, image rights, and personality rights
  6. Legal representation in entertainment-related disputes
  7. Legal advisory services for production companies, agencies, and talent management entities
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Medical & Healthcare Law

  1. Legal advisory services for hospitals, clinics, and healthcare institutions
  2. Regulatory compliance and licensing for medical and healthcare businesses
  3. Advisory on medical professional regulations and healthcare laws
  4. Representation in medical malpractice claims and healthcare disputes
  5. Drafting and review of medical consent forms and healthcare documentation
  6. Personal data protection and patient privacy compliance (PDPA)
  7. Regulatory advisory on medical devices and pharmaceutical products
  8. Legal risk assessment and compliance audits for healthcare operations
Get in touch

Labour & Employment Law

  1. Drafting and review of employment contracts and service agreements
  2. Preparation of internal work rules, policies, and employee handbooks
  3. Advisory on termination, severance, and labour compliance
  4. Representation before labour authorities and labour courts
  5. Labour dispute resolution and employment-related litigation
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Environmental Law & ESG Advisory

  1. Advisory services on environmental legislation and regulatory compliance
  2. Legal support for climate change regulation and climate-related legal obligations
  3. Advisory on climate and social impact, including sustainability and ESG considerations
  4. Legal advisory services for renewable energy projects
  5. Advisory on energy transition and clean energy regulatory frameworks
  6. Legal advisory on pollution control, waste management, and hazardous substances regulations
  7. Legal support for Environmental Impact Assessment (EIA / EHIA) processes
  8. Environmental permits, licences, and regulatory approvals
  9. Environmental due diligence for corporate transactions and infrastructure projects
  10. ESG, sustainability, and environmental governance advisory
  11. Representation in environmental disputes and environmental litigation
  12. Liaison and representation before environmental and regulatory authorities
Get in touch

Public & Administrative Law

  1. Advisory services on public law and administrative law matters
  2. Representation before government authorities and regulatory bodies
  3. Advisory on licensing, concessions, and regulatory approvals
  4. Administrative appeals and challenges against government orders
  5. Representation before the Administrative Court
  6. Advisory on public procurement and government contracting
  7. Legal review and compliance assessment of public-sector projects
  8. Legal advisory services for state enterprises and private entities involved in public projects
Get in touch

Dispute Resolution

  1. Civil and commercial litigation
  2. Contractual and business disputes
  3. Labour and employment disputes
  4. Medical and professional liability disputes
  5. Negotiation, mediation, and settlement advisory
  6. Enforcement of judgments and debt recovery
Get in touch

Data Protection & Regulatory Compliance

  1. Personal Data Protection Act (PDPA) compliance advisory
  2. Drafting of privacy policies and consent frameworks
  3. Cross-border data transfer advisory
  4. Data protection risk assessment and compliance audits
Get in touch

Legal Documents, Notarial & Legalisation Services

  1. Translation of legal and corporate documents
     (Thai–English / English–Thai / German–English / English–German / Thai–German)
  2. Certified and sworn translations
  3. Notarial and notarisation services
  4. Legalisation and Apostille services
  5. Corporate documents, affidavits, and statutory filings
  6. Visa, work permit, and immigration-related documentation
  7. Contracts, court documents, and official correspondence
  8. Coordination with the Ministry of Foreign Affairs and other relevant authorities
Get in touch

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