Thailand (asialaw)

IP boutique Ananda IP has strong regional, local and international expertise. Its practice covers both contentious and non-contentious aspects of IP for patents, trademarks, copyright and more. The firm represents clients from a variety of industry sectors including consumer goods and services, technology and telecommunications, life sciences and more. Managing partner Franck Fougere is a key contact.

Blumenthal Richter & Sumet has a strong reputation in the market for its tax and technology practices. The firm assists both international and domestic companies in expanding into new markets, growing their businesses and navigating regulatory frameworks. Key partners include corporate specialist Andreas Richter and tax expert Sumet Mingmongkolmitr. The firm has strengthened its tax practice with two strategic hires from Prompt Legal Services. Promboon Sookatup joined as partner on 1 July 2024, while Chawin Luangpattarawong was appointed senior associate on the same date. 

Chandler Mori Hamada stands as one of Thailand's largest and most prestigious full-service law firms, combining international standards with deep local expertise developed over decades. Through its integration with Japanese law firm Mori Hamada & Matsumoto, the firm offers sophisticated multi-jurisdictional capabilities backed by more than 100 legal professionals. The practice is particularly renowned for its banking and finance, energy and corporate and M&A work, with market-leading expertise in complex, large-scale energy projects under the leadership of senior partner Jessada Sawatdipong. The firm saw strategic growth in 2024, notably strengthening its capital markets practice with the addition of partner Doungporn Prasertsomsuk from A&O Sherman. While the construction and energy practices experienced the departure of counsel David Beckstead to Womble Bond Dickinson (US), they were reinforced by counsel Monsicha Pongrujikorn from Chevron, who brings cross-sector expertise in construction, infrastructure, energy and banking matters. The corporate and M&A practice enhanced its capabilities with the arrival of TMT specialist counsel Koraphot Jirachocksubsin from Kudun and Partners, following the departure of counsel Nuanporn Wechsuwanarux. The dispute resolution team maintained its service capabilities despite the departure of counsel Ittirote Klinboon, Rawi Meckvichai and senior associate Toon Thanakham to Rajah & Tann (Thailand). 

Client feedback 

"Their legal advice is precise yet practical, demonstrating a strong commercial mindset." – Banking and finance 

"Deep experience in bond and guarantee documentation." – Capital markets 

"Swift and accurate service delivery." – Corporate and M&A 

"The team demonstrates deep regulatory expertise, precise legal analysis and consistently professional execution. Their strong understanding of Thai legal frameworks, particularly in corporate and M&A matters, enables them to manage complex issues with clear, practical solutions. Their responsiveness, attention to detail and ability to work under tight timelines are particularly valued." – Corporate and M&A 

"Subject-matter experts providing clear commercial advice, with good regulatory connections and a broad bench of lawyers." – Energy 

"Well-rounded knowledge and many years of industry experience, supported by a punctual and pleasant team." – Real estate 

Arkrapol Pichedvanichok 

"Service-minded with swift response times." 

"A highly effective and trusted advisor who brings strong strategic thinking, clear commercial judgement and deep legal expertise to complex corporate and M&A matters. His hands-on involvement and ability to simplify difficult issues are particularly valued." 

Doungporn Prasertsomsuk 

"Very knowledgeable in the field with extensive experience in dealing with regulators and stakeholders." 

"A market-leading practitioner in Thai capital markets work, offering reliable, decades-backed experience with a sensible and commercial approach." 

Panupan Udomsuvannakul 

"Very supportive and attentive to client issues and requirements." 

DFDL has a strong presence in the Thai market with an extended regional presence that offers its international clients an integrated service in other nearby jurisdictions. It has demonstrated a competitive edge in the banking and financial services, energy, real estate, and technology and telecommunications sectors. The firm has a dedicated energy, mining and infrastructure practice and received numerous regional power and clean energy project mandates last year. Managing director Audray Souche is known for her expertise in energy, mining and infrastructure projects as well as her broader experience in corporate and M&A, commercial, regulatory, and banking and finance practice areas. The firm enjoys a reputation in the region as a go-to tax firm and in Thailand it has strengths in wealth management and US tax, areas led by specialists Jonathan Blaine and Jack Sheehan. The corporate practice underwent changes with senior legal adviser Panida Agkavikai departing in April 2024. The firm strengthened its capabilities in April 2025 with the addition of senior legal adviser Marion Carles-Salmon, who brings expertise across labour and employment, corporate and commercial, and data protection matters. 

Domnern Somgiat & Boonma is a top-tier IP specialist firm with a longstanding presence in the Thai market. The firm is the country’s leading trademark and patent filer, and it has been instrumental in shaping the country’s IP jurisprudence through its contentious work in the courts. The five-partner firm is led by IP enforcement specialist Rutorn Nopakun.

ILAWASIA provides comprehensive legal services across southeast Asia, with particular strength in corporate and dispute resolution practices. The firm's corporate team specialises in regulatory compliance, M&A, corporate restructuring and cross-border transactions across key sectors including manufacturing, hospitality, energy and technology. Its dispute resolution practice is notably active in energy, infrastructure and telecommunications matters, handling complex contractual disputes, arbitration proceedings and labour cases. The firm demonstrates particular expertise in power plant disputes, construction projects and turnkey contracts. Managing partner Somphob Rodboon and partner Tanadee Pantumkomon are key contacts. The firm strengthened its corporate M&A practice with the addition of senior associate Worawitch Chompootaweep in June 2024. He joined from Bangkok Payment Solution, a BTS Group company, where he served as legal and compliance manager, bringing infrastructure sector expertise. 

Established in May 2024, Jirapat and Partners is a Bangkok-based firm led by managing partner Jirapat Thammavaranucupt, who previously co-founded TTT+Partners and spent a decade at Weerawong Chinnavat and Partners. The full-service practice focuses on infrastructure, public-private partnerships and regulatory matters, with additional emphasis on aviation, energy and M&A. The firm positions itself to serve Thailand's growing infrastructure sector, particularly in emerging areas such as data centres, entertainment complexes and the Landbridge project. 

JTJB International Lawyers is a part of Joseph Tan Jude Benny, a global law firm with a network in more than 10 countries. The firm is particularly strong in contentious and non-contentious shipping matters. Since its inception, the firm has grown from operating in the maritime and real estate industry sector niche to a respectable full-service law firm that capably handles corporate and M&A, project development and tax advisory. The firm has a strategic partnership with Tahota Law Firm in China, underlining its commitment to Chinese clients. The firm’s managing director, Naiyachon Tathong, is recognised for his expertise in construction, dispute resolution, labour and employment, and restructuring and insolvency. Partner Bunnasomboon Chaiparinya is a key contact. 

After recently integrating Zico Law Thailand’s corporate team into the firm’s practice in December 2022, KPMG Law Thailand has strengthened its corporate practice considerably. The firm focuses on commercial and corporate law, audit and assurance, tax and advisory services. Director Threenuch Bunruangthaworn is a key contact. 

Kudun and Partners is a young and energetic full-service firm that has grown rapidly in the past few years, pulling in talent from competitors and being hailed as a firm to watch by peers. The firm has established a dedicated China practice staffed with native Chinese speakers and it is now part of the legal network World Services Group, as the Thailand representative. Partner and key contact Kudun Sukhumananda has expertise in capital markets, corporate and M&A, banking and finance, real estate, infrastructure funds and energy. The firm strengthened its corporate and M&A practice with the hire of senior associate Bongkotkan Chumsai Na Ayudhya from KWI Public Company Limited, where she served as group legal director. Partner Saravut Krailadsiri departed for Tilleke & Gibbins tax practice, while partner Kongkoch Yongsavasdikul and senior associate Supatra Kerinsaguna moved to TTT + Partners corporate and M&A practice in October 2024. 

Top-tier tax boutique LawAlliance is the go-to firm for sophisticated tax matters. Its experienced practitioners provide strategic tax advice on structured finance, transfer pricing, reorganisation, contract restructures, hybrid financing instruments, tax-driven securities transactions and customs duties. It is also highly regarded for handling complex tax disputes. Tax partner Piphob Veraphong joined Chandler Mori Hamada during the research period. 

Full-service law firm LawPlus provides clients with quality and pragmatic legal advice. With over two decades of experience, the firm has solidly established itself in the market and services clients from multinationals to local businesses. The firm’s specialised practice areas include banking and finance, corporate and M&A, intellectual property, restructuring and insolvency and more. Managing partner Kowit Somwaiya is a key contact. 

Newly established in 2023, Lexpertise is a dynamic law firm that focuses on a wide range of corporate and commercial law issues with a specialty in e-commerce and digital platform regulation. The firm stands out in delivering services in the areas of arbitration, data compliance, cybersecurity, intellectual property and litigation. Founder and managing partner Nandana Indananda is a key contact. Ploynapa Julagasigorn joined the firm as counsel from Tilleke & Gibbins in January 2025, focusing on dispute resolution and intellectual property matters. Salil Siriwat joined as senior associate from BG Container Glass in June 2024, specialising in dispute resolution and intellectual property with an emphasis on consumer goods and services. 

Lorenz & Partners is well versed in providing commercial, corporate and tax advice to its international clients. Uniquely, the firm also offers German tax law advisory. Managing partner Till Morstadt leads the team alongside M&A partners Athitaya Chanthasirichot and Rapeesak Kesasuwan, and tax partner Naowarat Karst.

LS Horizon is a firm known for its stellar dispute resolution practice. Its partners wield strong reputations for high-profile commercial litigations. Wanchai Yiamsamatha, Lersak Kancvalskul and Thanaluck Sunananta are the main partners for disputes work.  

Established in 2014, the Bangkok branch of Japanese law firm Nagashima Ohno & Tsunematsu provides Japanese, Thai and multinational corporate clients with a wide range of legal services. In particular, the firm focuses on corporate and M&A, and real estate. Shohei Sasaki heads the office and is a key contact. 

PDLegal Thailand, established in 2023, operates as the Bangkok office of Singapore-headquartered PDLegal. Led by managing partner Paul Papon Charoenpao, the firm delivers Thai law expertise across corporate advisory, dispute resolution, fintech and tax matters. The practice maintains strong regional capabilities through the Hill Dickinson PDLegal Alliance and strategic associations with firms including TSL Legal in Malaysia, enabling seamless cross-border service delivery across southeast Asia. Lakshman Shankar, partner in corporate litigation, commercial advisory and international trade practices, departed the firm on 31 October 2024. 

Prompt Legal Services is a boutique law firm with particular expertise in tax and M&A. The team recently launched its family business tax structure planning practice. Clients include private and public companies operating in a wide range of sectors. The firm is headed by tax partner Promboon Sookatup and corporate and M&A partners Pawan Lertpayub and Lakkanasiri Kajonpradabkul.

Rajah & Tann (Thailand) remains a well-regarded firm across core corporate law areas, and its disputes practice and telecommunications and technology prowess also deserve special mention. The firm has a growing business advising fintech, e-commerce and e-payment players, and for many years it has provided regulatory counsel to Google and Facebook in Thailand. The firm is expanding its Bangkok office, which has nearly 60 lawyers at present, and it is actively recruiting specialists for infrastructure matters. The firm’s managing partner Surasak Vajasit is known for his practice in dispute resolution, capital markets, projects, and banking and finance. He is a frequent arbitrator in ICC arbitration proceedings. Deputy managing partner Sui Lin Teoh heads the firm’s M&A and employment practices, while corporate, competition and trade specialist Melisa Uremovic is another respected name and a key contact. The firm’s telecommunications and technology group is led by specialist partner Supawat Srirungruang. Partner Ittirote Klinboon and counsel Rawi Meckvichai joined the firm's shipping and insurance practice from Chandler Mori Hamada in November 2024. Xiaomin Wu joined as counsel in the China practice from Kudun and Partners in January 2025, focusing on corporate M&A and dispute resolution matters. 

Founded in 1995, Satyapon & Partners is a respected IP law firm, offering services across the full spectrum of IP matters. The founder and managing partner Satyapon Sachdecha is a prominent name in the IP space. He is supported by head of trademark and litigation Kritsana Mingtongkhum and head of patent and design Kritchawat Chainapasak. The three lead a team of patent attorneys and litigators with technical expertise across a wide range of sectors. In addition to Thailand, the firm also handles prosecutions and manages portfolios for various multinational and local clients in Cambodia, Laos, Myanmar and Vietnam.

SCL Nishimura & Asahi is an amalgamation of Nishimura & Asahi and domestic law firm Chavalit Law Group. The new entity marries the Japanese firm’s client base with Chavalit Law’s highly regarded local expertise. The Thai entity is best known for its dispute resolution, intellectual property and corporate practices, but it also has quality offerings in banking, capital markets, projects, real estate and tax. Respected managing partner Chavalit Uttasart heads up the hybrid firm alongside seven other partners.

SRPP is one of the newest high-end law firms, having been established in 2019 by seasoned partners from other well-regarded law firms including Weerawong C&P, Norton Rose Fulbright and Linklaters. The core pillars of the firm are banking and finance, foreign direct investment, corporate and M&A, and restructuring and insolvency. In particular, the firm is known for its sophisticated banking representation, working with domestic and international lenders, borrowers and other clients in domestic and cross-border acquisition finance, project finance, energy, real estate, telecommunications, infrastructure projects and debt restructuring. The firm enjoys alliances with many of the leading international law firms and in the past year bolstered its offering with the hiring of four associates. Founding partner Passawan Navanithikul is a key contact.

The Capital Law Office’s capital markets practice continues to win plaudits from the market. The firm opened its doors in 2013 and houses some of the country’s top specialists. Its corporate and M&A offering has steadily expanded over the years and enjoyed a steady flow of M&A work despite the pandemic. The firm represents issuers and underwriters on domestic and cross-border issuance of equity, equity-linked products, debt instruments and derivatives. Its partners are routinely sought out for complex, precedent-setting transactions, such as its recent mandate as issuer’s counsel in Thailand’s largest equity IPO by market capitalisation to date. Partners Chatri Trakulmanenate, Paradorn Leosakul and Pakdee Paknara are key contacts. Partner Patcharaporn Pootranon left the firm in 2022.

Tilleke & Gibbins is a dominant force in the Thai legal market and its pre-eminence continues to spread out across southeast Asia as it becomes a top regional firm. It is a leader in aviation, IP, insurance, tax, and technology and telecommunications law in the region. Co-managing partners Tiziana Sucharitkul and Darani Vachanavuttivong are known for their expertise in dispute resolution and intellectual property, respectively.  

Founded in 2023, TTT+Partners provides legal solutions for both international and domestic clients. The firm services a wide range of practice areas including capital markets, corporate and M&A, and dispute resolution. Senior partner Veeranuch Thammavaranucupt is a key contact. The firm has significantly expanded its corporate practice throughout 2024 with several strategic hires. Kongkoch Yongsavasdikul joined as partner from Kudun & Partners in October, bringing expertise across corporate M&A, capital markets and banking. The corporate and capital markets practice welcomed three senior associates – Teerasak Petchpaibool from Linklaters in August, Supatra Kerinsaguna from Kudun and Partners in October, and Pitchaya Kittiwittayakul, who arrived from TikTok in June. Additionally, Thanchanok Engsrisawang joined the corporate M&A team as an associate from Baker McKenzie in September.  

One of the leading Thai firms, Weerawong, Chinnavat & Partners maintains its impressive lock on the top echelons of our rankings across all categories. In particular, it stands alone and unchallenged in the ‘Outstanding’ tiers for capital markets, and restructuring and insolvency. Senior partner Weerawong Chittmittrapap is known for his expertise in capital markets, and corporate and M&A, while the firm’s well-regarded disputes team features Phisit Dejchaiyasak and Sakchai Limsiripothong.  

A member of the ZICO IP network, ZICO IP Thailand provides sophisticated local knowledge and business insight on all aspects of IP. The firm offers a full spectrum of services in prosecution, commercialisation, investigation, enforcement and litigation. Director Kamolchanok Sinhaseni is a key contact.