Cassandra Byrne


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Cassandra is a Consultant in our ProjectsConstruction Department. She has a broad practice 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:

  • Hammerson across its portfolio of prime retail assets including Dundrum Town Centre.
  • A US private equity fund on Clancy Quay Phases 2 and 3 Dublin and other large mixed-use/commercial and residential projects (including private rented sector (PRS) assets). 
  • Global pharmaceutical/life sciences companies on development of new plant facilities throughout Ireland.
  • Funders on the Dublin Waste to Energy PPP Project and bidders on various PPP roads and accommodation projects.
  • Workday, Biomarin and others on the fit-out of their new European Headquarters in Dublin.

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 Notable Practitioner 20