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Dispute Resolution

United Kingdom

The CMS Dispute Resolution team offers the full range of integrated support, sector and commercial experience and a world-class service to respond quickly to you - a true 360° approach, from long-term planning and deployment of case strategy to emergency response, injunctions and applications and expedited procedures.

We handle all your risk and dispute interactions from regulators to reporters, on issues from data breaches to disputes, in arenas from cyberspace to the c-suite. Whatever your risks, you need to deal with them in ways that build your resilience and protect your reputation. We will be there around the clock and around the world, whenever and wherever you need us.

Our team is experienced in all forms of dispute resolution, including commercial litigation, corporate crime, regulatory and internal investigations; international arbitration, mediation and alternative dispute resolution, judicial review and reputation management.

Members of our team regularly appear as advocates in courts and arbitration.


At CMS, we have thought more about Your World. You do not want to litigate. You want to avoid disputes and when they do arise, be with the right team to resolve them.

CMS’s Litigation practice is global. In the UK CMS has one of the largest disputes practices in the City. We work with our clients to navigate the most complex matters and embrace a range of technologies, project management expertise and resource to deliver value for them.

Where your dispute cannot be resolved in any other way, we will deploy our expertise and resources to fight your corner to the end.

We are proud that since our merger on 1 May 2017 we have been recognised as follows:

  • Highest number of cases profiled, The Lawyer Top 20 Cases to Watch, 2019
  • Top 50 Global Litigation Firm, The Lawyer Global Litigation Top 50, 2018
  • Top 3 London Litigation Firm, The Lawyer Global Litigation Top 50, 2018
  • Highest year on year growth in Litigation Lawyers, The Lawyer Global Top 50, 2018
  • Highest number of Disputes clients, The Lawyer FTSE 250 Report 2018
  • Highest number of Disputes clients, The Lawyer FTSE 100 Report 2017
  • Firm of the Year Reputation Management The Legal 500 Awards 2018
  • UK Firm of the Year for Dispute Resolution The Legal 500 Awards 2017

In addition CMS is proud to be a Founding Member of London International Disputes Week demonstrating that we are a firm leading change in, and the promotion of, one of the major global litigation centres.

LIDW 2019 logo


Recognised as one of the world’s leading arbitration practices by Global Arbitration Review (GAR 30), our International Arbitration team is one of the largest of any law firm and spans the globe. It is made up of a diverse range of specialists, and our sector-led approach carries with it a huge depth of experience especially in construction, energy, insurance, technology, media and telecommunications sectors.

Our cross-jurisdictional practice comprises over 100 partners and 400 fee-earners conducting multi-billion dollar commercial and investor-state arbitrations. We operate from all the major venues for international arbitration including London, Paris, Madrid, Hong Kong, Singapore, Dubai as well as across Central and Eastern Europe, Africa and Latin America, and we represent clients under the rules of the world’s leading arbitral institutions including:

  • ICC 
  • LCIA
  • WIPO
  • SIAC

Many of our partners are regularly appointed as arbitrators and we speak and write regularly on matters of interest in the arbitration world. In many cases we will conduct advocacy in arbitrations ourselves.

GAR 2019 logo
ICCA 2020 Edinburgh Logo


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"All the lawyers I dealt with at CMS had a very commercial approach. They excelled at providing recommendations and suggesting practical solutions when things got tricky."

Chambers 2019

They are outstanding on client care, very thorough and commercially astute.

Chambers 2016
Law-Now: Dis­pute Res­ol­u­tion
Vis­it Law-Now for leg­al know-how and com­ment­ary
Dis­putes Di­gest
Au­gust 2017
Ex­pert Guide to In­ter­na­tion­al Ar­bit­ra­tion


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