A&O Shearman’s practice, noted for its ‘unwavering support’ of clients, demonstrates strong capabilities across complex corporate and M&A matters in both domestic and cross-jurisdictional contexts, advising on structuring and restructuring as well as supporting the transactional aspects of large-scale development projects. ‘Strategic thinker’ Suparerk Auychai specialises in corporate finance, securities, M&A and capital markets matters. Auychai co-leads the group alongside Noparat Kaewsringarm, who is well-placed to advise both domestic and international clients on investments into Thailand. Arthit Hemara is also a name to note, bringing expertise in corporate finance transactions involving equity, equity-linked and debt instruments.

The offering at Baker McKenzie LLP demonstrates strength in advising its notable client portfolio on complex and high-value matters across a range of industry sectors, including consumer goods and retail, energy and infrastructure, and TMT, among others. The client base spans start-ups, local businesses and well-known multinational companies. Advising on high-profile domestic and cross-border M&A transactions forms a core part of the team’s workload. Pornapa Luengwattanakit is an antitrust and competition specialist with additional expertise in corporate restructuring, while Peerapan Tungsuwan is well regarded for advising on M&A transactions in highly regulated industries. Sorachon Boonsong’s commercial transactional practice ranges from deal structuring to foreign investment matters. Cross-border M&A and joint ventures form a significant part of Sivapong Viriyabusaya’s practice, while insurance M&A is a key area of specialism for both Sumet Orsirivikorn and Ampika Kumar. All of the above co-head the practice. Panyavith Preechabhan is   also a name to note. Former co-head Yuthana Sivaraks departed the team in July 2024.

The ‘very well-rounded’ team at Linklaters is well-placed to assist its client base across a wide range of complex corporate and M&A matters. The team advises both domestic and international public and private companies and is regularly instructed on high-value, cross-jurisdictional joint ventures, M&A transactions and group restructurings. The group is co-led by Wilailuk Okanurak, who advises on complex and high-value corporate and M&A transactions, including investments and group restructurings, and Sutthipong Koohasaneh, whose practice includes M&A takeovers, joint ventures, foreign investments and trade competition matters. Pichitpon Eammongkolchai is a key practitioner with particular strength in corporate matters across the retail, consumer and real estate sectors. Wanwisar Nakarat also stands out for her work in the petrochemical, energy and infrastructure space. Anuwat Trakulmututa has experience assisting Thai and international clients on a broad range of complex matters. Issariya Vimonrat departed in April 2025.

The group at Chandler Mori Hamada Limited is well equipped to advise across the full spectrum of corporate and M&A transactions. ‘Clear leader’ Arkrapol Pichedvanichok specialises in complex corporate, M&A, and capital markets matters, while Koonlacha Charungkit-anant offers broad sector expertise spanning oil and gas, telecoms, retail, and other key industries. Panupan Udomsuvannakul advises on corporate expansions, and Pranat Laohapairoj brings strong experience in due diligence and compliance. Seiji Akimoto focuses on cross-border M&A and corporate restructuring. The practice is jointly overseen by these practitioners alongside the ‘excellent and commercially minded’ Wongsakrit Khajangson.

DLA Piper’s team has notable experience assisting a large and diverse client base across a wide range of corporate and M&A matters, including advice on share acquisitions and disposals, due diligence for share purchase agreements, complex joint ventures, and the establishment and operation of companies. The group is led by Samata Masagee, who has particular strengths advising leading names in the energy sector and works across public and private M&A, antitrust and corporate reorganisations. She is joined in leadership by Thananan Sangnuan, who advises on the regulatory and transactional aspects of capital markets and insurance-related mandates. Prateep Lumrungruang is also a key practitioner, noted for his experience in the negotiation, drafting and due diligence aspects of M&A transactions.

The team at Hunton Andrews Kurth LLP, regarded as a ‘trusted partner’ by clients, is well versed in handling a wide range of complex matters, including advising on significant demergers, mergers and high-value acquisitions, as well as assisting domestic and international clients with major investments, disposals and share restructurings. The group’s sector expertise spans financial services, entertainment and power, among others. Stephen Bennett is particularly noted for corporate transactions in the financial services sector, while Somruetai Noppornprom, a partner since January 2025, specialises in domestic and cross-border M&A in the TMT space; together, they co-head the practice. Tanagorn Thimasarn is also recommended, alongside Chumbhot Plangtrakul, who is praised for his ‘exceptional strategic foresight’.

Siam Premier International Law Office Limited’s team has well-established capabilities in advising its diverse client base on high-value corporate and M&A matters across both cross-jurisdictional and domestic contexts. Chatchavej Chitvarakorn is experienced in advising domestic and international corporations on PPPs, antitrust and competition, foreign investment into Thailand, and complex insurance matters spanning sectors including energy, pharmaceuticals and retail. Chitvarakorn co-heads the group with Linda Osathaworanan, who has notable experience in corporate and commercial finance matters. Another key practitioner is Kanokon Worachanyawong, who advises on the transactional and regulatory aspects of a variety of complex matters.

The offering at Thanathip & Partners Legal Counsellors Limited is well known for advising on a broad range of corporate and M&A mandates. Thanathip Pichedvanichok advises an impressive client base ranging from blue-chip Thai corporates to global investment banks, private equity sponsors and regulators on high-stakes public and private transactions. Chawaluck Sivayathorn Araneta is also well equipped to handle complex, high-value matters, including strategic mergers, disposals and acquisitions, joint ventures and capital markets work. The pair oversee the team. Further names to note include Nitchaya Vaneesorn, who is praised for her ‘truly exceptional expertise’ and advises on corporate restructurings and joint ventures, and Nat Boonjunwetvat, whose practice includes complex M&A, fintech and financial regulatory matters. Issariya Vimonrat joined in April 2025.

The team at Tilleke & Gibbins is well regarded for its ‘strong regional presence’ and regularly advises domestic and international clients on a wide range of matters, including complex and high-value M&A transactions and commercial work. Corporate and commercial specialist Charupat Boon-Long leads the practice alongside the ‘thoughtful and strategic’ Charunun Sathitsuksomboon. Kobkit Thienpreecha and Supasit Saypan are also names to note. Team changes include the departures of Cynthia Pornavalai  and Paul Westover  in December 2024 and March 2025 respectively, and the arrival of Passanan Suwannoi in June 2024.

The team at Blumenthal Richter & Sumet Ltd. advises on the regulatory and compliance aspects of complex corporate and commercial matters and is particularly well regarded for its ‘deep expertise in cross-border transactions’. Andreas Richter leads the group and has notable experience advising multinational corporations, start-ups, SMEs and high-net-worth individuals on regulatory and corporate governance matters, as well as a broad range of corporate transactions. Other key practitioners include Stefan Riedl, who advises both buyers and sellers on M&A matters, and Ekkarat Ritthiplang, whose sector expertise includes automotive, transportation, manufacturing and cosmetics, among others. Promboon Sookatup joined in July 2024.

Well regarded for its ‘deep commercial understanding,' the team at Kudun & Partners is experienced in advising on the regulatory aspects of corporate and commercial transactions in both domestic and cross-border contexts. The ‘smart lawyer who always thinks out of the box’ Kudun Sukhumananda is a capital markets and securities specialist, regularly advising on IPOs, stock exchange listings and debt securities offerings. Kom Vachiravarakarn also has a dual specialism in capital markets and M&A. The pair jointly lead the team. Troy Schooneman’s practice includes M&A, foreign direct investment and a broad range of corporate matters, while Mayuree Sapsutthiporn is described as ‘exceptional’, and Ekachai Chotpitayasunon advises on corporate restructuring, capital markets and M&A matters. Kongkoch Yongsavasdikul and Supatra Kerinsaguna departed in October 2024.

The offering at SCL Nishimura & Asahi Ltd advises leading domestic and international corporate clients on a wide range of complex matters. The practice is led by Jirapong Sriwat, Christopher Osborne, Nuttaros Tangprasitti and Apinya Sarntikasem. Sriwat advises on the transactional and regulatory aspects of M&A transactions, joint ventures, foreign direct investment, corporate finance and restructuring matters; Osborne brings sector expertise across manufacturing, TMT, logistics and renewable energy; Tangprasitti focuses on cross-border matters; and Sarntikasem is experienced in handling a broad range of corporate transactional work.

The group at The Capital Law Office Limited has well-established capabilities in advising its client base on matters ranging from acquisitions of majority stakes in listed companies to high-value joint ventures and due diligence for corporate transactions, and, according to clients, ‘exemplifies what a trusted legal adviser should be’. The team is led by M&A specialist Patraporn Milindasuta, who advises private equity investors and corporates, alongside Pakdee Paknara, who is noted for advising on the regulatory aspects of significant transactions, Chatri Trakulmanenate, and Paradorn Leosakul, who has particular expertise in real estate and hospitality-related M&A deals. Haruethai Boonklomjit is also a name to note.

TTT+Partners is well-placed to advise clients on strategic mergers and acquisitions, high-value disposals, share swaps and equity transfers, as well as significant joint ventures. The practice is led by Veeranuch Thammavaranucupt, who specialises in major M&A transactions. Parithat Chamnongsilp is also noted for advising on public and private acquisitions in both domestic and cross-border contexts, joint ventures and a range of other M&A matters. Recent team additions include Kongkoch Yongsavasdikul, who joined in October 2024 and has experience advising on high-value transactions, and corporate specialist Supatra Kerinsaguna.

Weerawong, Chinnavat & Partners advises on high-value and cross-border acquisitions and disposals, alongside the compliance and regulatory aspects of major investments. Siregran Sakuliampaiboon is particularly noted for her expertise in the media and entertainment sector. Akeviboon Rungreungthanya specialises in M&A transactions and is regarded by clients as an ‘expert in the area.' The practice is led by Sunyaluck Chaikajornwat, who advises multinational corporations and private equity firms on joint ventures, strategic investments and M&A transactions. Weerawong Chittmittrapap is also an experienced member of the team.

The group at DFDL Legal & Tax advises on a wide range of M&A, corporate and commercial matters. The practice is led by energy and infrastructure specialist Audray Souche, cross-border M&A adviser David Doran, Nipaporn Supha Utchaichan, who has experience in due diligence and deal documentation for major corporate and M&A transactions, and Kraisorn Rueangkul. Walanchathas Sanguanwong is also a name to note, particularly for cross-border matters.

Herbert Smith Freehills Kramer (Thailand) Limited is well regarded for its ‘genuine focus on client success’, handling a varied and high-value workload that spans the structuring and negotiation of cross-border transactions, acquisitions and divestitures, and major business expansion and investment mandates. Practice head Nonnabhat (Niab) Paiboon brings extensive experience across the full spectrum of these matters and is a central figure in the firm’s Thailand offering. Noteworthy practitioner Krittichai Sumranbumrung provides valuable securities and regulatory expertise, advising clients in both the public and private sectors.

IAS Advisory’s team advises a diverse client base on strategic restructurings, the drafting and negotiation of licensing and distribution agreements, and the regulatory compliance aspects of corporate and commercial transactions. Practice head Siripen Kulworakulpitak has extensive experience across foreign business establishment in Thailand, corporate management, and major project work. Noteworthy practitioner Sukontharat Nobnom brings strong corporate and M&A expertise, with sector strengths spanning real estate and personal data.

KPMG Law Thailand’s team advises on a wide range of corporate transactions, with notable capabilities in tax structuring and due diligence. Siriorn Sae-liew is a key figure in the practice, specialising in corporate consultancy and the establishment of corporate entities.Archaree Suppakrucha advises on both the buy and sell side of transactions, while Kannika Boontaim focuses on the tax dimensions of major corporate deals. She co-leads the group alongside Boonyaporn Donnapee, whose expertise spans corporate restructuring, joint ventures, and corporate governance.

The cohort at Norton Rose Fulbright is well regarded for its ‘deep expertise in the renewable energy sector’. Its workload includes advising on the due diligence and documentation aspects of corporate investments, joint venture agreements, and corporate entry into new markets. Team head Teerin Vanikieti advises across M&A, joint ventures, strategic alliances, and corporate and commercial contracts. Key practitioner Natpakal Rerknithi brings expertise spanning M&A, stock exchange, and securities matters.

The cohort at SRPP Ltd. advises on a broad range of corporate matters, including equity stake disposals, business spin-offs, and complex mergers and demergers. Team lead Panuwat Chalongkuamdee is experienced in the full spectrum of corporate and commercial agreements, often guiding clients through intricate negotiation phases. Passawan Navanithikul brings notable strength in the banking and finance aspects of acquisition work, while Nadthanij Sutthent contributes expertise across corporate transactions in key sectors such as healthcare, real estate, and energy.

Watson Farley & Williams (Thailand) Limited’s practice handles a broad spectrum of corporate work, including joint ventures, sales, and development mandates. Kasma Visitkitjakarn is experienced in advising high-net-worth individuals, corporates, and private equity firms on investment structuring, corporate governance, M&A, and tax planning. Regulatory compliance is a core strength of Piyanuj (Lui) Ratprasatporn, who co-heads the team alongside energy and infrastructure specialist Sonya Kalnin, who joined in September 2024, and Linh Doan, who divides her time between Hong Kong and Hanoi.

Wise Equity Legal Counsel Limited fields a versatile corporate team with strong capabilities across the full spectrum of corporate and M&A matters, acting for both buyers and sellers on domestic and cross-border transactions. The group is also well regarded for its ability to navigate the regulatory dimensions of complex mandates. Leadership is shared between three key practitioners: Yaowarote Klinboon, who advises on corporate governance, M&A, and general corporate matters; Karinevidch Olivero, noted for her expertise in capital markets and securities transactions; and Phatamol Pisitbuntoon, who brings extensive experience acting for multinational and domestic corporates. The practice further expanded with the arrival of Teerasak Petchpaibool in September 2025.