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Energy & Climate Change lawyers

The energy and climate change sector, a key driver of the global economy, is affected by and affects global geopolitics, economics and regulation. You require advisors who not only understand your industry but also work on cutting edge issues with leaders of energy companies, regulators, governments, industry bodies and investors.

Our team works globally within every part of the energy sector, including upstream and downstream oil and gas, electricity in all its forms, including generation, networks, wholesale and retail markets, and nuclear and renewables, including solar and other green energy and clean tech. Over the last 25 years, our experts have helped shape the sector by creating the legal frameworks upon which many of your markets are based.

Whether you are a NOC, IOC, independent, electricity company, investor, government or financial institution, or contractor, we have the energy and climate change specialists to meet all your strategic challenges globally. Our multi-disciplinary team has helped shape the legal framework for the oil and gas industry in many jurisdictions and was among the first to advise on industry-shaping reforms such as the historic energy and climate change sector restructuring in Mexico. We also work on M&A, projects and financings in the oil and gas, power and renewables sectors across the globe. This collective experience means we can pre-empt and provide answers to the commercial, risk and regulatory issues you face in the energy sector.

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Penelope Warne
Penelope Warne
The Seni­or Part­ner
Chairman of the UK LLP Board and Head of Energy & Climate Change
United Kingdom, London
Penelope Warne is The Senior Partner and Chairman of the UK Board. She is also Head of Energy.Penelope, an oil and gas specialist, joined the firm in 1993 to set up the Aberdeen office and has a strong...
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Stephen Millar
Stephen Millar
Man­aging Part­ner
United Kingdom, London
Stephen Millar is the Managing Partner for CMS based in the UK and is responsible for the management of the firm across the UK, CEE, the Middle East and Asia. He is also a member of the CMS board.Stephen...
Judith Aldersey - Williams
Judith Aldersey - Williams
Part­ner
United Kingdom, Aberdeen
Judith Aldersey-Williams has over 25 years’ experience advising on competition and regulatory matters in the UK and now brings that experience to bear for her clients in the energy sector.Her current...
Valerie Allan
Valerie Allan
Part­ner
United Kingdom, Aberdeen
Valerie Allan is a partner in our Disputes Team. Based in Aberdeen as part of our Oil & Gas Team for over 15 years, Valerie specialises in commercial dispute resolution.  Valerie is dual qualified in...
Phillip Ashley
Phillip Ashley
Part­ner
United Kingdom, London
Phillip Ashley is a partner who "specialises in contentious matters relating to the oil and gas and power sectors" and has advised on "matters relating to oil and gas investments in every continent except...
Fraser Askham
Fraser Askham
Part­ner
United Kingdom, Sheffield
Fraser has 23 years of experience, which he uses to help clients resolve disputes and successfully deliver construction, engineering, energy and climate change, infrastructure and waste projects, within...
Pieter Bekker
Peter Bekker
Part­ner
Head of Investment Arbitration Task Force
United Kingdom, Edinburgh
Professor Peter Bekker is a partner in the International Arbitration and Energy teams and Head of the CMS Investment Arbitration Task Force. A US qualified lawyer, he practises at the crossroads of international...
Adrian Bell
Adrian Bell
Part­ner
Co-head of the Infrastructure, Construction and Energy Disputes Group | Joint Managing Director for Asia and the Middle East
United Kingdom, London
Adrian is a Partner and co-head of the Infrastructure, Construction and Energy (ICE) Disputes Group and is a qualified solicitor advocate.He advises on dispute avoidance and all types of dispute resolution...
Graeme Clubley
Graeme Clubley
Part­ner
United Kingdom, Aberdeen
Graeme is a partner in the CMS Energy & Climate Change Team and is based in Aberdeen, Europe’s oil and gas capital.Graeme specialises in upstream oil and gas transactions and projects (including, acquisitions/disposals...
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United Kingdom
Hugo Coetzee
Hugo Coetzee
Part­ner
United Kingdom, London
Hugo Coetzee is an Infrastructure and Energy Finance partner at CMS in London. He is the head of the global project and asset finance team of the CMS banking and finance practice area group, heads up...