Rankings

Who's Who Legal: Recommended - Oil & Gas 2024

Chambers Global 2023

Project & Energy - Nigeria

Marc Hammerson is a London-based lawyer with an impressive grounding in the Nigerian market. He advises state-owned bodies, corporations and investors on energy and natural resources transactions, including project finance and development, as well as joint ventures. "He has great expertise and in-depth knowledge. He's hands-on, very responsive and excellent to work with." "Marc was a very reassuring presence on drafting and strategy calls. His advice was always excellent and provided in a tactful and supportive manner. He's an all-around excellent lawyer." "Marc's ownership of transaction responsibilities and requirements helps the client sleep with both eyes closed."

Chambers UK 2022 and 2023 - Energy & Natural Resources: Oil & Gas - UK-wide

Marc Hammerson is an oil and gas practitioner with considerable experience in the sector. He is best known for assisting clients with M&A transactions and joint venture arrangements.

Strengths
"He has great expertise and in-depth knowledge. He's hands-on, very responsive and excellent to work with."
"Marc was a very reassuring presence on drafting and strategy calls. His advice was always excellent and provided in a tactful and supportive manner. He's an all-around excellent lawyer."
"Marc's ownership of transaction responsibilities and requirements helps the client sleep with both eyes closed."

Chambers Global 2022 and 2023 - Project & Energy - Nigeria

Expertise based abroad in Nigeria

Marc Hammerson is a London-based lawyer with an impressive grounding in the Nigerian market. He advises state-owned bodies, corporations and investors on energy and natural resources transactions, including project finance and development, as well as joint ventures.

Legal 500: UK 2022 -

Recommended Lawyer

Marc Hammerson is inspirational. Marc is unique in his elaborate experience in the oil and gas market and specifically decommissioning matters. Marc has a wealth of knowledge, is very pleasant to exchange thoughts with, and advises in a clear and to-the-point way. He is also extremely helpful in finding out of the box solutions.

Who's Who Legal 2022 - Energy (Oil & Gas)

Leading Lawyer

Chambers Global 2021 - Projects & Energy (Nigeria)

Expertise Based Abroad in Nigeria

London-based Marc Hammerson is considered to be "a very old hand in Nigeria's oil and gas space. "He advises state-owned bodies, corporations and investors on energy and natural resources transactions, including project finance and development, as well as joint ventures. An interviewee commented: "I find him to be exciting on a developmental basis to work with."

Who's Who Legal 2009-2021 - Oil and Gas, Energy

Global Leader - Energy - Oil and Gas - England

Chambers UK 2020 - Energy & Natural Resources: Oil & Gas - UK-wide

Marc Hammerson is an oil and gas practitioner with considerable experience in the sector. He is best known for assisting clients with M&A transactions and joint venture arrangements. "He is a go-to lawyer of choice for any upstream oil and gas work - his ability to execute transactions in the sector is incredibly high." “Marc Hammerson is a stand-out practitioner for oil and gas matters. He is highly commercial and highly tactically astute”

Chambers Global 2020 - Projects & Energy - Nigeria

Overseas expert for Nigerian Energy & Projects

Chambers UK 2019 - Energy & Natural Resources: Oil & Gas - UK-wide

“Praised in client comments as highly recommended in the upstream E&P sector and also as an expert in the field able to provide a good cross-section in all aspects of the E&P business”

Chambers Global 2019 - Projects & Energy - Nigeria

Overseas expert for Nigerian Energy & Projects

“Very straightforward, very intelligent”

Chambers UK 2018 - Energy & Natural Resources: Oil & Gas - UK-wide

Marc has incredible technical knowledge’ and ‘can very quickly give you the answer to a problem or question in any realm” “extensive experience in M&A, joint ventures and corporate restructurings in the energy sector. Sources report: ‘He is fantastically commercial. He is highly effective and has all the tricks of the trade in difficult negotiations”

Chambers Global 2018 - Projects & Energy

Overseas expert for Iraq and Project & Energy (Middle East

“He is ‘an excellent lawyer’ and they admire ‘the speed of his response’. Others find him to be ‘extremely effective’ and able to find ‘solutions to complex problems and very technically sound’”

Legal 500: UK 2017 - Oil & Gas

Recommended Lawyer

"Highly regarded by clients

Chambers UK 2017 - Energy & Natural Resources: Oil & Gas - UK-wide

“His wealth of deal experience is helpful” to his clients and he attracts praise for his extensive work on energy matters in Africa. ‘When I have an oil and gas question, he's my first port of call,’ says one source”

Legal 500: UK 2016 - Construction, Energy & Infrastructure

Recommend Lawyer for Construction, Energy & Infrastructure and Iraq

"Mr. Hammerson is particularly strong in the oil and gas space”

Legal 500: UK 2015 Construction, Energy & Infrastructure

Recommended Lawyer

Chambers UK 2016 - Energy & Natural Resources: Oil & Gas - UK-wide

“A pragmatic lawyer who is very experienced on oil and gas work and is particularly adept at transactional work in Africa. Interviewees say: ‘The combination of his corporate and energy work is multifaceted and comprehensive”

Chambers UK 2015 - Energy & Natural Resources: Oil & Gas - UK-wide

“A strong upstream and downstream oil and gas practice"

Chambers UK 2014 - Energy & Natural Resources: Oil & Gas - UK-wide

“An old school oil and gas lawyer”

Legal 500: UK 2013 - Construction, Energy & Infrastructure

“Expert in project finance”

Chambers UK 2009 - 2013 - Energy & Natural Resources: Oil & Gas - UK-wide

“A solid upstream lawyer with good project development skills. He is able to offer clients substantial experience in the energy sector, including on power generation matters” “Able to offer clients substantial experience in the energy sector, including on power generation matters”

“A specialist in upstream exploration and production in the oil and gas sector”

“A steady and measured approach to energy work and an expert in upstream M&A”

“An eminently measured approach and a comprehensive understanding of all the legal issues affecting clients’ needs”

IFLR 1000 2013

IFLR 1000 names Marc as a leading energy lawyer and notes his stand-out experience for “closing deals in Lusophone, Francophone and Anglophone Africa”

Legal 500: UK 2011 - Construction, Energy & Infrastructure

Specialism “in corporate and project work in the oil and gas, and power, industries. He has extensive experience of advising energy majors and independent energy companies in upstream and downstream oil and gas, and power”