Killian O’Reilly | Fieldfisher
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I specialise in the resolution of commercial disputes and have significant experience in commercial litigation, arbitration, construction disputes, insurance disputes and property related cases.

I advise clients on a wide variety of contractual claims, shareholder disputes, specific performance litigation, judicial reviews, professional indemnity claims, planning and environmental law, injunctions, and procurement law issues.

I represent most domestic and numerous international underwriters and re-insurers. I advise some of Ireland’s most successful organisations and regularly conduct High Court and Commercial Court litigation on their behalf.

I also represent employers at the Workplace Relations Commission and The Labour Court in respect of employment related disputes.

I advise clients on health and safety risks, defend organisations & executives in respect of Health and Safety Authority inspections and prosecutions, and represent clients in respect of coroner inquests and any related civil proceedings. 

I have specialist experience advising clients on cyber-crime and legal issues relating to cyber protection measures, and have also provided training in this area.In addition, I regularly advise clients in relation to technology disputes. 

I aim to provide advice that is clear and concise, communicating technical concepts in a way that is easily accessible for clients.

I am a CEDR accredited mediator who regularly represents clients in mediation and also acts as a mediator.

I regularly present lectures, training and workshops, for the Insurance Institute of Ireland and its members in relation to litigation and insurance matters.

What others say…

"Killian has an excellent understanding of his client's needs and develops appropriate strategies."

Chambers Europe 2024

He has a great commercial sense and offers very clear advice. He is an excellent adviser.

Chambers Europe 2023

Killian O’Reilly is a top class lawyer  

Killian O'Reilly - Legal 500 EMEA 2023

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