Katie Byrne

Partner & National Head

Commercial Dispute Resolution

National

Katie Byrne

"Katie Byrne is an outstanding lawyer. She can quickly absorb large volumes of information, understand complex situations and formulate a response strategy. She provides very clear advice"

– Legal 500

I am the Head of the Commercial Dispute Resolution team, leading a national practice of specialist commercial litigation and dispute resolution lawyers. Together, we are known for handling high-value, complex matters, delivering strong outcomes for our clients across a wide range of sectors.

I understand that disputes can be disruptive, resource-intensive and, at times, uncertain. I focus on providing clear guidance and reassurance throughout the process. 

Expertise in

    Katie's Accreditations & Awards

    • Legal 500 UK Recommended Lawyer 2022

    Katie is based in these locations but works with clients across the UK

    • HeroImage

      Gatwick

      Second Floor, The Portland Building, 25 High Street
      01293 737 984(Telephone)
      Opening Hours

      Mon - Fri: 8:30am–5:30pm

      Sat - Sun - Bank Holidays: Closed

      View office details
    • Irwin Mitchell London Northcliffe

      London

      The Northcliffe, 28 Tudor Street, Temple, London, EC4Y 0AY
      0203 582 6232(Telephone)
      Opening Hours

      Mon - Fri: 8:00am–6:00pm

      Sat - Sun - Bank Holidays: Closed

      View office details

      More about Katie

      My core expertise lies in commercial litigation and dispute resolution, with a particular focus on:

      • Complex commercial contract disputes
      • Professional negligence claims
      • Banking and financial disputes
      • Cross-border and multi-jurisdictional matters.

      I typically advise:

      • Large corporates and international businesses
      • Financial institutions and banks
      • High-net-worth individuals
      • General Counsel and in-house legal teams (through my leadership of the firm's General Counsel programme).

      Geographically, my work spans both UK and international disputes, often involving cross-border issues. In terms of impact, I:

      • Deliver clear, commercially aligned legal strategies on complex disputes
      • Help clients mitigate risk and resolve high-stakes litigation efficiently
      • Provide rapid, pragmatic advice in time-critical situations
      • Support organisations in aligning their legal approach with wider commercial objectives
      • Advise strategically on dispute avoidance and risk strategy
      • Work seamlessly with in-house teams to provide commercially aligned strategic advice.

      Ros's colleagues