Partner
London
P +44 20 3430 3025
F +44 20 3430 3001
Dubai
P +971 4 382 6100
F +971 4 382 6150
Tashkent
P +998 90 063 5652
F
Marc Hammerson is a senior corporate lawyer with deep experience in complex transactions in the energy and natural resources sectors. He represents investors, corporates and state-owned entities in a range of transactions including M&A, joint ventures, project finance and project development.
Mr. Hammerson focuses his practice primarily on M&A, project development, corporate law and restructuring in the oil & gas and power industries. He has been particularly active advising private equity and hedge funds in these areas, recently across the full spectrum of M&A and financings relating to restructuring and insolvency.
Mr. Hammerson represents clients on all aspects of the oil & gas and power industries, his experience includes giving transactional advice on corporate, M&A, commercial agreements (such as gas sales agreements and power purchase agreements), project finance and restructuring.
One of the world’s leading energy lawyers (Who’s Who Legal, 2023 and previous editions), Mr. Hammerson has been recognized by Chambers UK 2024 and Legal 500 EMEA for many years for his experience in oil & gas, restructuring and for his work in Africa. He has been listed as an Overseas Expert for Nigeria by Chambers Global since 2020.
Mr. Hammerson has a wealth of experience in advising national oil companies and partially state-owned oil companies internationally, notably but not exclusively in emerging markets.
Mr. Hammerson also has in-house corporate experience gained on client secondment with Enron Corp and Toyota Tsusho, in addition to which he has advised public oil companies in the capacity of ‘external general counsel’.
Corporate
Energy (Oil & Gas)
Mergers and Acquisitions
Economic Sanctions
Restructuring and Insolvency
Africa
Middle East
Hydrogen
Event 20 Oct. 2026
Curtis Co-chairs Meeting of the Working Group on the Development of the Draft Corporate Governance Code of Uzbekistan
more
News 15 Oct. 2026
Curtis Recognized in Chambers UK 2027 Guide
Podcast 14 Oct. 2024
Curtis Law in London
"He is highly commercial and his judgement is unerring."
Energy & Natural Resources: Oil & Gas (Chambers UK 2024)
"I find him to be exciting on a developmental basis to work with."
Chambers Global 2021 Projects & Energy - Nigeria
Described as "unique in his elaborate experience in the oil and gas market" and having "a wealth of knowledge."
Legal 500 UK 2022
Middle East – Overseas expert for Iraq and Projects & Energy
Chambers Global 2020
Leading Energy Lawyer