O'Flynn Exhams represents an impressive number of domestic and international clients in substantial disputes. It is prominent in commercial real estate disputes, energy and utilities cases, shareholder and company law disputes, and cross-border enforcement and recognition matters. It is also recognised for its ADR expertise. Contract and real estate disputes specialist Tom O’Byrne, managing partner Shane Crossan, Pat Mullins and Sion Williams are experienced dispute resolution specialists.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The team are thorough and have a deep knowledge of all aspects of the law relating to my case. For more detailed analysis they have the contacts and working relationships with specialists to ensure the very best quality of advice. ’

  • ‘Tom O'Byrne has been a stand out individual, who diligently handles all aspects of what is a very complicated multi-jurisdictional case. He has successfully liaised with lawyers across a number of jurisdictions to present a safe and cohesive argument to win a very difficult case at the highest of levels. His manner has always been professional, committed and courteous. ’

  • ‘At O'Flynn Exhams, you always feel as if you are in safe hands. We have always found them to be extremely competent, with the very best advice. ’

  • ‘We have primarily dealt with Tom O'Byrne. He is an extremely competent solicitor, who has the ability to think on his feet in any given situation, and always has the correct answer. ’

  • ‘For me, O'Flynn Exhams stands out for its client-first approach. My experience with Sion Williams has been excellent. I have found him extremely approachable, knowledgeable, friendly, and always reassuring. His professionalism and courteous manner truly sets him apart.’

  • ‘I found Sion Williams to always be available, or returns calls promptly, and is extremely knowledgeable. I highly value his personalised service and for me this sets them apart from competitors by fostering strong, collaborative relationships.’

  • ‘O’Flynn Exhams LLP Solicitors stands out for its blend of industry knowledge, a client-centred approach, and solutions tailored to our unique needs. The team excels in delivering a top-tier legal expertise but also a forward-thinking, business-minded approach, which ensures we receive comprehensive guidance that goes beyond traditional legal advice.’

  • 'Sion Williams has repeatedly demonstrated an extraordinary willingness to go the extra mile for our business, making himself available outside of traditional working hours whenever needed. His proactive assistance, especially during time-sensitive or urgent matters, gives us the peace of mind that we have a trusted adviser who is always looking out for our interests.’

Key clients

  • Heineken Ireland
  • Kerry Group
  • Irish Times
  • Allianz
  • Allied Irish Banks
  • Atlantic Technological University
  • KPMG
  • Permanent TSB
  • Gas Networks Ireland
  • Mercedes Benz Cork
  • Mars Capital
  • Irish Water
  • National Broadband Ireland
  • Inver Energy
  • Carey Glass
  • Abbey Machinery
  • Zeus Packaging
  • ALR Innovations
  • Kenny Group
  • H2 Compliance (Landbell Group)
  • Marriott International (formerly Starwood)
  • PJ Hegarty & Sons UC
  • Trane Technologies International Limited (formerly Ingersoll-Rand)
  • RDS
  • Munster Technology University (formerly Cork Institute of Technology)
  • Glenilen Farm
  • Dublin and Dun Laoghaire Education and Training Board
  • Statkraft
  • Crawford Art Gallery
  • MWP
  • Missionaries of the Sacred Heart
  • Tripoint Investments
  • Cork Education and Training Board
  • J&M Kehoe
  • Cope Foundation
  • Manakau
  • Dzogchen Beara Spiritual Care Centre
  • Port of Cork Company
  • Grandon Car Sales
  • Powerscourt Estates
  • T&T Precision Ltd
  • Presentation Brothers CLG
  • Brothers of Charity
  • Westfield Investments
  • Ardent Group
  • Cummins Sports
  • Clyda Eco Homes
  • Blaabjerg Leg APS

Work highlights

  • Represented an Irish businessman in proceedings successfully challenging cross-border recognition of a €6.3m foreign judgment on Irish public policy grounds in respect of the rules against maintenance and champerty / assignment of bare causes of action.
  • Acted for a property development group in successfully defending a contentious cross-border dispute, heard in the Commercial List of the High Court, concerning beneficial ownership of high-value development lands and alleged misappropriation of pension funds.
  • Represented a leading listed company operating in the agribusiness sector in ongoing commercial arbitration disputes concerning the application of pricing mechanisms under a long-term commodity supply contract in place with several thousand suppliers.

Practice head

The lawyer(s) leading their teams.

Shane Crossan

Other key lawyers

Sion Williams, Tom O’Byrne, Pat Mullins