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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

Fenella has over 30 years experience in advising on the legal issues arising from construction and engineering contracts. She specialises in the resolution of high value construction and engineering disputes and regularly deploys negotiation, adjudication, arbitration, litigation and mediation in order to bring about the resolution of disputes across a range of sectors within the industry including roads, rails, energy, utilities, education, housing, office, leisure and retail. 

She is inducted into Legal 500’s Hall of Fame; Ranked in Band 1 by Chambers; recognised as a Global Elite Thought Leader in Construction by Who’s Who Legal.
 

Awards & Recognitions
01
  • Quote
    "I was delighted to have access to her wealth of knowledge and experience. Fenella has a very calm but direct approach to tackling difficult issues. She can always find a solution."
    Chambers, 2026
  • Quote
    "Fenella has been an excellent support in a difficult set of circumstances, understanding our needs as a client and bringing her commercial awareness and practicality to reach an optimal position."
    Chambers, 2026
  • Quote
    "Fenella Mason is really good at high-level strategy and disputes, and is always very transparent on fees. She is conscious of wider commercial implications."
    Chambers, 2025
  • Quote
    "She's very unflappable and gives excellent advice. She is very good at being creative and coming up with different ways of looking at things."
    Chambers, 2025
  • Quote
    "Fenella Mason is very experienced in all aspects of construction dispute resolution and is supported by a good team."
    Legal 500, 2025
  • Quote
    "excellent service, quickly understands the relevant issues within complex matters and provides clear and concise advice."
    Chambers, 2023
  • Quote
    "excels at leading the matters she advises on and we place complete trust in her judgment and legal astuteness."
    Chambers, 2023

Relevant experience

  • An international mining company in an ICC arbitration regarding the provision of an energy from waste plant.
  • An M&E subcontractor on disputes arising out of the design and construction of a traditionally procured new build hospital.
  • A utilities supplier in litigation and lengthy negotiation relation to an allegedly defective HV cable installation.
  • A major contractor in litigation over design and workmanship issues arising in a leisure centre.
  • A major contractor in adjudication, litigation and mediation over provisional sums and EOT claims in a PPP College.
  • A utilities contractor in relation to adjudication, arbitration and mediation over the installation of allegedly defective pipe lining.
  • A contractor in relation to litigation and mediation over alleged defects in an extension to a castle for a HNW individual.
  • Numerous litigations, adjudications and negotiation in relation to disputes arising out of the design and construction of the M8.
  • A fire engineering consultant on issues relating to design in relation to a new build PPP hospital.

Memberships & Roles

  • Society of Construction Law, member and former Council member.

Education

  • 1985 - LLB, DipLP University of Edinburgh, Edinburgh.
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