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Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

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CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

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Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

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Insights
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Energy & Climate Change

Our Energy & Climate Change lawyers can help you navigate the full range of legal challenges associated with the energy sector including oil and gas.

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With more than 800 energy and climate change lawyers, including over 200 partners, the CMS Energy and Climate Change practice is one of the largest of its kind in the world. Led from its centres of excellence such as London and Aberdeen, the practice works across over 80 offices globally.

Our early work in designing and implementing modern energy markets and subsequently guiding the sector in the push to decarbonisation means CMS is not only a transactional or project adviser to the sector, but uniquely placed to help shape its present and future. 

The modern energy sector requires specialist legal advisers attuned to global geopolitics, economics and regulation. But as the sector has matured, rather than become more standardised and commoditised, the pace of change is accelerating. When the energy sector found itself on the frontline of decarbonisation, CMS guided the sector through this new landscape. CMS teams now work in every corner of the sector across the globe to help it meet the demands of climate change, technological disruption, urbanisation in developing economies, social concerns and political agendas.  

We have supported the success of our clients by recognising the sector is ever more diverse and by working actively against ‘silo thinking’. We are market-leading, global advisers on oil & gas exploration and production, mid-stream activities, traditional or newer electricity generation technologies, energy transition and climate change strategies, energy efficiency, finance, M&A, disputes or regulatory and commercial issues. Thanks to our cross-sectoral knowledge and expertise, we make sure clients receive the advice best suited to their commercial needs and to our collective future.

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Awards & Recognitions
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    "The CMS team is very responsive to meet client demands at short notice.''
    Legal 500, 2025
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    "The CMS lawyers have a cooperative and collaborative approach to working with the client and their other supporting consultants, offering solutions to problems and looking for better ways to move the work forward."
    Legal 500, 2025
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    "This CMS energy team has supported our large growing renewables business being our key strategic legal provider, managing the majority of legal aspects to 'industry first' energy deals in EMEA. They have specialised, deep legal and commercial expertise which is unparalleled in the industry."
    Legal 500, 2025
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    "The team provides excellent customer service, collaborating with experts to support a variety of renewable energy transactions throughout the EU."
    Legal 500, 2025
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    "'Deep energy industry expertise, including evolving renewable energy landscape and transactions throughout the EU."
    Legal 500, 2025
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    "The team's strengths are its overall sector expertise and collaborative, client focused approach."
    Legal 500, 2025
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    "The individuals we work with stand out for their sector expertise and collaborative, client focused approach."
    Legal 500, 2025
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    "It's a strong team that is very commercially minded."
    Chambers, 2024
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    "CMS has a strong multi-disciplinary team of specialists which enables them to tackle complex problems."
    Chambers, 2024
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    "CMS always adopts a can-do, proactive approach to finding solutions."
    Chambers, 2024
  • Quote
    "CMS's renewable team is very highly regarded in the sector."
    Chambers, 2024
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    "The team is extremely helpful and quick to respond."
    Chambers, 2024
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    "Large inclusive team that collaborated well with each other and the wider team."
    Legal 500, 2024
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    "Chris McGarvey’s power team are exceptional. They really understand the industry and give very practical, commercially focused advice."
    Legal 500, 2024
  • Quote
    "Very knowledgeable and also with offices in the right place to really assist their clients."
    Legal 500, 2024
  • Quote
    "Personnel are open to discussion to explore alternative views and respond quickly to requests for information and clarification as to requirements."
    Legal 500, 2024
  • Quote
    "They are demonstrating rapid and impressive growth in which the quality of domestic and international work is conducted to an exceptional standard. I would suggest their practice matches and exceeds a number of their London competitors."
    Legal 500, 2024
  • Quote
    "Louise Dalton, Katie Duffield, Nicholas Ross-McCall and Will Fenn all have excellent technical knowledge in their areas of expertise and are able to deliver on all aspects of renewable energy financings. They all adopt a hands-on approach to getting things done and do not shy away from taking on additional work or delivering to challenging timelines."
    Legal 500, 2024

Events

  • United Kingdom
    12 Feb 2026

    The Class Ceiling

Local market knowledge. Global outlook

We provide future-facing legal advice to help your organisation thrive. Combining local market knowledge and a global perspective, and with lawyers in locations worldwide, your organisation benefits from the expertise it needs, even across borders.

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