Cassandra Byrne


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Cassandra is a Consultant in our ProjectsConstruction Department. She has a broad practice with over nineteen years' experience advising public sector, utility and private entities on all aspects of projects and construction, with particular expertise and specialisation in construction procurement. She advises on bespoke and standard form contracts including those of RIAI, IEI, JCT, FIDIC, NEC, CWMF and OGP.

Cassandra also specialises in projects and construction dispute resolution and dispute avoidance under all construction and engineering contract forms, including the public works contracts. She is a Fellow of the Chartered Institute of Arbitrators, arbitrator and Accredited Mediator and advises on related litigation, adjudication, conciliation, expert determination, domestic and international arbitration, and construction insolvency.  

Recent significant experience includes advising:

  • The Royal College of Surgeons in Ireland on development of Education and Research Centres at various University and hospital campus locations;
  • Institutional investor Irish Life on its waterfront development 1 Georges Quay including fit-outs for tenants WeWorks and Pepsico; on a new build office development at 70 St Stephen's Green, Dublin 2 using innovative green technology; and on development of the Irish Life campus;
  • Private equity company Kennedy Wilson on various development projects and their financing/refinancing across its portfolio  including Clancy Quay, Islandbridge, Dublin 8 (Ireland's largest private rented sector (PRS) scheme); 
  • Edwards Life Sciences on development of its largest European med-tech facility in South West Ireland and other clients on facilities in the life sciences and pharmaceutical sectors; 
  • SIRO on development aspects of investment and financing for its broadband network expansion (€620m) and
  • Circle K on the design, build, finance and operation and maintenance of the Motorway Service Area Centres PPP Project.

According to Legal 500 EMEA 2021 "Jarleth Heneghan and Cassandra Byrne are always available, engaged and diligent in the preparation of their advice." One interviewee states that  "Jarleth Heneghan and Cassandra Byrne have a great dynamic within the team which allows for open discussions on alternative solutions to issues. Clarity and response time are excellent."

Clients describe Cassandra as "standout" in the Construction practice area, with "a pragmatic and efficient approach." She has demonstrated "detailed and careful drafting, responsiveness, and recognition of the commercial reality and the requirement to put this into a legal framework." Legal 500 2020

Cassandra has "great technical knowledge and excellent tracking of issues requiring close-out." Says one client, who also mentions they "work predominately with Jarleth Heneghan and Cassandra Byrne within William Fry. They are very committed and turn around any requests very efficiently and accurately. They are always clear, concise and straight to the point which is not always the case on building contracts I find, a real pleasure to work with." Legal 500 2020

IFLR Expert Consultant 20