Department profile
CMS

Environment & Climate Change

UK Guide 2026 : London (Firms)

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CMS

Rankings

About

Provided by CMS

Please visit the CMS website for details on the practice and our work:

Law firm specialised in Environment - CMS in the UK

Chambers Review

Provided by Chambers

Environment & Climate Change - London (Firms)

Band 1

What the Team is Known For

CMS houses a leading group with an extremely broad range of capabilities, offering recognised expertise in both contentious and non-contentious environmental law. The firm's areas of strength include permitting, energy efficiency, climate change and contamination issues, alongside notable experience of transactions involving significant environmental risk. It has a wide-ranging client base including government entities, financial institutions and major corporates. The team is also able to provide clients with strategic advice on environmental compliance obligations.

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Strengths

Provided by Chambers

  • CMS have in-depth knowledge of the law and a practical approach, and are very business-friendly. Their advice is given very promptly and is always to the point.

    Environment & Climate Change respondentUK

  • The team have the ability to gain a deep understanding of the industry they are working with and offer practical, concrete advice.

    Environment & Climate Change respondentUK

Notable Practitioners

Provided by Chambers

  • Olivia Jamison
    Olivia Jamison

    Olivia Jamison

    Olivia Jamison is a well-regarded practitioner at CMS with a broad practice covering contentious and non-contentious environmental matters. She is noted for her ability to advise on regulatory issues and handle work involving criminal law.

    • No one matches Olivia in terms of working out what's going on in the background to a case and planning the next logical step.

      Environment & Climate Change respondentUK

    • Her ability to plan a strategy with a case but then adapt it as further data and regulatory responses arise is second to none.

      Environment & Climate Change respondentUK

    • Olivia has great practical awareness of various matters in the UK.

      Environment & Climate Change respondentUK
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  • Alex Ibrahim
    Alex Ibrahim

    Alex Ibrahim

    Alex Ibrahim demonstrates a wealth of experience in complex environmental matters. She has advised clients on issues including environment-related product laws and product stewardship, as well as all aspects of environmental permitting and regulation.

    • Alex Ibrahim is an expert.

      Environment & Climate Change respondentUK
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  • Sinéad Oryszczuk
    Sinéad Oryszczuk

    Sinéad Oryszczuk

    Sinéad Oryszczuk has a diverse practice that sees her advise clients on environmental issues across an array of sectors, including oil and gas, technology and pharmaceuticals. She is particularly well versed in prosecutions relating to pollution and environmental damage, with additional expertise in transactional advisory work.

    • I would recommend her to anyone dealing with complex regulatory matters.

      Environment & Climate Change respondentUK

    • Sinéad is the best lawyer I have ever worked with. She has an incredible ability to provide practical solutions to incredibly complex issues.

      Environment & Climate Change respondentUK

    • She goes above and beyond to gain a deep understanding of the industries she works with, giving clients the impression of working with a team member instead of an external adviser.

      Environment & Climate Change respondentUK
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  • Stephanie Lodola
    Stephanie Lodola

    Stephanie Lodola

    Stephanie Lodola is dual-qualified in UK and Irish law. Her practice spans sustainability-related matters for global clients. She regularly assists on permitting and regulatory work, and also co-leads on product compliance work.

    • Stephanie's environmental as well as legal background means she is exceptional at assessing the underlying science and data behind a complex regulatory issue.

      Environment & Climate Change respondentUK
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Ranked Individuals at CMS (4)

London (Firms)

Members

Provided by CMS

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