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Clients in the energy sector know us for our exemplary work on transactional, developmental and regulatory issues.  

We provide full-service advice on power and utilities, transmission and distribution, oil & gas and climate change on the entire lifecycle of these assets. Our specialists in areas such as corporate, M&A, finance, regulatory, environmental, antitrust, tax and planning law possess market-leading expertise in regulation, construction, planning, financing, acquisitions and disposals. We are experts in advising clients involved in wind & Solar Photovoltaic (SPV) projects, together with projects involving bioenergy, oil & gas, Anaerobic Digestion (AD) and Combined Heat and Power (CHP). We also advise companies developing green technologies and/or that are involved in green finance initiatives. 

Clients benefit from our solutions driven approach, keen market knowledge and technical expertise as we work with them at all stages of a project from inception, planning and procurement through to delivery and completion.

Holmes O’Malley Sexton's managing partner Harry Fehily is involved in a wide range of disputes on behalf of corporate clients, being particularly active in the construction and insurance sectors. Clients say that he is "commercial and communicates clearly and concisely."

Harry Fehily

Dispute Resolution | Chambers Global 2021

Harry Fehily is best known for his handling of claims arising under financial lines policies. He has experience in professional liability claims brought against insured accountants. He also defends EL/PL claims. Sources say that he is "knowledgeable and efficient."

Harry Fehily

Insurance Dispute Resolution | Chambers Europe 2021

Insurance litigation, defamation and environmental disputes are key areas of strength at Holmes O’Malley Sexton, which is also increasingly active in contentious construction matters. Harry Fehily is active in a range of commercial disputes and also strong for mediation.

Harry Fehily

Dispute Resolution | Legal 500 EMEA 2020

Sandra Egan is excellent, she is practical, knowledgeable and very thorough.

Sandra Egan

Real Estate | Chambers Europe 2023

Holmes earns praise for its proven capacity to handle diverse claims across employers' and public liability, as well as motor insurance claims. It defends insurers and self-insured companies or associations in personal injury claims filed by employees or third parties.

Insurance: Dispute Resolution

Chambers & Partners Europe 2023

Meet the Team

Awards, Membership and Recognition

British Association for Sport and Law
Chambers & Partners
Chambers Ireland - CSR Awards 2019
CTA - Tax institute
EMEA Leading Firm 2021
EMEA Next Generation Partners 2021
Foil Logo
IELA Enviro
ILN logo
Law Society Badge
Legal 500
Cork Chamber Member 2021
Mid West Lean Network Logo
Winner Best Employer Award