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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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  • English

Olivia Jamison has practised environment law for 20 years both at UK and EU level. She is a specialist environment, sustainability and product practitioner.  Olivia is dual qualified in England and Wales and in the Republic of Ireland. She is a member of CMS’ Global ESG Steering Committee and the UK’s Sustainability Committee. Olivia initiated the UK business’ SBTi commitment. She advises on the following areas:

  • Traditional environment and health and safety liabilities as evolving in the transition to a low carbon economy: waste, contaminated land, permitting, regulatory compliance, risk transfer and crisis and incident management.  
  • The broad sustainability agenda: encompassing the European Green Deal and the UK’s Climate Change Act and Net Zero policies; advising on strategic sensitive environment issues at domestic and EU level including environment and sustainability related marketing claims, the circular economy, extended producer responsibility including deposit return schemes, forced labour, deforestation, the ETS, CBAMs, plastics and packaging, environmental taxes, energy efficiency and energy performance of buildings, transportation and the reduction of greenhouse gas emissions.   
  • International conventions in relation to environment, climate change, biodiversity and the protection of natural resources.
  • Reporting schemes: for energy and carbon, energy efficiency, the Non Financial Reporting Directive and the Corporate Sustainability Reporting Directive
  • Product compliance: labelling, substance restrictions and prohibitions, claims, ecodesign, energy labelling, end of life requirements, product safety and multi jurisdictional product recall and notifications.   
  • Civil and criminal litigation and tribunals: judicial review, group actions, dealing with regulatory notices, prosecutions and civil sanctions.  
Awards & Recognitions
01
  • Quote
    "Olivia is brilliant. She gives a strong strategic overview and is very detailed."
    Chambers, 2025
  • Quote
    "She has a very strong grasp of detail at a high level across a broad range of topics. She really knows her stuff."
    Chambers, 2025
  • Quote
    "Olivia is an incredible legal and technical asset and a pleasure to have on our side."
    Chambers, 2025
  • Quote
    "She is an absolute star."
    Chambers, 2024
  • Quote
    "Olivia Jamison is very hard-working, passionate about her subject matter and is particularly responsive to her clients' needs. She also stands out as being extremely considerate with her colleagues and team."
    Chambers, 2024
  • Quote
    "Her advice is always timely, precise and operational for the client."
    Chambers, 2024
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    "She makes sure she understands the client's business and way of working."
    Chambers, 2024
  • Quote
    "Olivia Jamison leads a strong team of environmental lawyers that are able to deal exceptionally well with standalone environmental law matters in particular."
    Legal 500, 2024
  • Quote
    "Olivia Jamison stands out in the environmental law field on the basis of her client-specific, calm and incisive analysis of law and policy developments in this always evolving area of law and her ability to efficiently and effectively manage projects in multiple jurisdictions."
    Legal 500, 2024
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    "Olivia is friendly, knowledgeable and client-focused."
    Chambers, 2023
  • Quote
    "She is very approachable and is always aware of any relevant developments in the sustainability field."
    Chambers, 2023
  • Quote
    "Olivia has unparalleled experience."
    Chambers, 2023
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    "Olivia and her team are on top of any new relevant changes that might affect their clients. They are proactive in sharing info and really specialised within the broader legal sustainability landscape."
    Legal 500, 2023
  • Quote
    "Olivia Jamison and her team at environment practice at CMS have provided excellent legal services to us over the last year. They were always available with high quality advice and secondees of their attorneys when needed. They are proactive in the way they provide their advice, they understand the needs of the business and provide custom made solutions."
    Legal 500, 2023
  • Quote
    "Leading Individual"
    Chambers / Legal 500 / Who’s Who Legal Environment
  • Quote
    "A lawyer who is 'very good at looking at the bigger picture and future-proofing what may come up on the horizon'. 'She is very proactive and 'she's very good at dealing with regulators'."
    Legal 500, 2020
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    “very efficient and very knowledgeable,” and is "a pleasure to deal with."
    Chambers, 2019
  • Quote
    "she has in-depth knowledge and helpful personal experience of all of the regulators."
    Chambers 2018

Relevant experience

  • Continually leading a pan European team advising since 2020 on the European Green Deal and UK equivalent measures.
  • Leading multijurisdictional advice for sustainability related marketing claims for various international companies.
  • Organisations in relation to the application of the Corporate Sustainability Reporting Directive and associated strategies.
  • Supporting businesses in relation to new extended producer responsibility rules for packaging.
  • Successfully securing regulatory resolutions across a range of permitting, producer responsibility, ETS and landfill tax positions.   
     

Publications

Memberships & Roles

  • UKELA
  • HSLA

Education

  • Solicitor-Advocate (Higher Courts – Criminal Proceedings)
  • LPC, College of Law, Chester
  • LLB (Hons), University of Manchester