The 'high quality' team at A&O Shearman boasts extensive experience in handling high-value domestic and cross-border projects work. The group routinely advises clients in the renewable energy, transport and natural gas sectors. The 'terrific' Sarah Wilson heads up the practice and garners praise as 'a leader in the project finance field in Thailand'. Anchalee Limviriyalers brings expertise in advising on capital markets deals relating to project financing work. Nonaya Patarkitnirun has a solid track record in assisting with cross-border instructions.

Under the leadership of Viroj Piyawattanametha, Baker McKenzie LLP‘s team is well known for acting on a wide range of high-value project matters in Thailand. Vit Vatanayothin specialises in banking and finance law and has experience acting on renewable energy projects, and Piyawattanametha is equally adept at assisting renewable energy clients with project finance cases, often involving cross-border transactions. Napas Na Pombejra focuses on project developments, financings, and M&A deals in the power, petrochemical and renewable energy sectors. Chavapol Akkaravoranun is a key contact for complex infrastructure projects in the transport sector. Sawanee Sethsathira retired from practice in June 2025.

Chandler Mori Hamada Limited‘s practice garners praise for ‘its combination of deep legal expertise and strong commercial insight, offering tailored, strategic advice across industries’. The team stands out for its ‘strategic foresight and ability to navigate high-stakes issues with confidence and calm’. The group is regularly instructed in large-scale project finance matters, with Sarunporn Chaianant often assisting energy, infrastructure and real estate sector companies with financing issues. Practice co-head Jessada Sawatdipong advises on energy and natural resources, infrastructure and real estate projects, and practice co-head Joseph Tisuthiwongse handles domestic and multi-jurisdictional M&A deals, project finance and acquisition finance mandates. Tip-apa Limvichai has a solid track record in advising on transactional work.

Hunton Andrews Kurth LLP stands out for its strong track record in handling a broad range of large-scale, high-value project development and finance matters and transactional work. Edward Koehler is very experienced in advising on project transactions, and James Bradley specialises in energy sector project work. Chumbhot Plangtrakul stands out for 'his deep understanding of complex project structures' and often assists with energy and infrastructure-related cross-border M&A deals; the three lawyers collectively head the practice. Other key practitioners include Sudarat Siriviriyakul and Chartthai Sutthapas, both noted for their strength in finance-related cases.

The team at Linklaters is led by Wanwisar Nakarat, who has an excellent reputation for advising on EEC projects and M&A deals in the projects arena. The group's workload also includes acting as counsel to lenders on financing construction development projects and waste-to-energy projects, as well as assisting across the life cycle of power plant projects. Piyada Kittisuwan has experience assisting with project, real estate and acquisition finance mandates. Wilailuk Okanurak is well known for advising on domestic and multi-jurisdictional projects.

DFDL Legal & Tax‘s team is very experienced in assisting clients from a wide range of sectors with project finance and development matters. Nipaporn Supha-utchaichan, Paul Volodarsky, Audray Souche, David Doran, and Walanchathas Sanguanwong collectively head the practice. Souche brings extensive expertise in advising on foreign investments, often involving energy, infrastructure and mining projects in Southeast Asia, while Sanguanwong's workload includes assisting with energy-related acquisitions. Doran acts for developers and lenders in prominent energy projects, as well as advising on cross-border M&A transactions.

DLA Piper is well known for its strong track record in assisting clients with project finance matters. The group is adept at handling domestic and cross-border mandates, and practice head Waranon Vanichprapa has expertise in advising sponsors, lenders, borrowers and investors on refinancings and investments. Samata Masagee brings experience in handling corporate and M&A work.

The team at Kudun & Partners has a solid track record in assisting with the development of energy projects, contractual matters and compliance issues. The practice is co-led by capital markets and securities expert Kudun Sukhumananda and the 'outstanding' Chai Lertvittayachaikul, who focuses on corporate and M&A and project development work.

Siam Premier International Law Office Limited is routinely instructed in project finance, transactions and disputes in the energy sector. Aviation and energy projects are prominent in Rawat Chomsri's workload, while Chatchavej Chitvarakorn advises multinational corporations on PPP matters, transactions and development projects. Somchai Yungkarn is highly regarded for his expertise in litigation. The trio collectively head the practice.

The practice at TTT+Partners has M&A, projects and energy expert Veeranuch Thammavaranucupt at the helm, who is very experienced in handling energy and petrochemical matters. Other key practitioners to note are Parithat Chamnongsilp and Kongkoch Yongsavasdikul, who are well versed in assisting with corporate and M&A cases. Jirapat Thammavaranucupt left the firm in February 2025.

In Watson Farley & Williams (Thailand) Limited‘s Bangkok office, corporate law expert Sonya Kalnin is well versed in advising on energy and infrastructure matters, including corporate transactions, and Ratthakarn Boonnua is a key contact for handling disputes in the renewable energy space. The practice is co-led by Linh Doan, who divides her time between the Hanoi and Hong Kong offices, and Singapore-based Clarinda Tjia-Dharmadi and Merrick White.

The offering at Weerawong, Chinnavat & Partners is well-placed to assist with PPP projects and development matters. The group has been kept busy acting for clients in the oil and gas sector, as well as advising on power project mandates. At the helm of the practice are Weerawong Chittmittrapap, Banphot Kittikinglert and Peerapat Kumpayorm, who focuses on infrastructure transactions.