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Dispute Resolution

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


"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.


Choose area

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Judicial Review
When a public body or official has made a decision that impacts on an industry, sector or project, sometimes the last available resort is to challenge
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As someone looking for advocacy advice, it is essential you get seamless legal representation, efficiency, accessibility and speed.CMS has extensive a
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Alternative Dispute Resolution
Avoiding costly disputes is often the favoured route for businesses when challenges arise. Alternative dispute resolution – which includes mediation,
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Aviation Disputes
CMS’s aviation team has broad experience of advising clients across the aviation industry on large-scale commercial litigation and arbitration, aircra
Class Actions
Class actions in Europe are on the rise, with a number of countries already adopting a US-style ‘opt-out’ model. CMS’ leading dispute resolution team
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Commercial Disputes
In today's global marketplace, despite best business practices, litigation and disputes are often unavoidable. As a large publicly listed company or a
Construction & Engineering Disputes
At CMS, we strive to spend more time looking outward at your world than inward at ours. As a leading and trusted adviser to the construction and engin
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Contentious Insolvency
Our contentious insolvency team advises debtors, creditors and office holders on the full range of issues that arise from formal insolvency applicatio
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Corporate Crime, Compliance and Forensics
In an enforcement environment that is constantly evolving, our team assists clients with all aspects of corporate crime, compliance and forensics. Thi
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Corporate Disputes
Our dispute resolution team has extensive experience advising clients on their most complex, high-stakes M&A, shareholder and other stakeholder-relate
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Director/Shareholder Disputes
Disagreements between or against stakeholders in a commercial organisation are often unavoidable. When they do arise, it can bring about a whole host
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Employment Disputes
When you’re facing an employment dispute, you need a legal adviser who will give you clear advice on the best route to a solution. This will include a
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Energy Disputes
International energy companies operate in a complex and challenging environment. Investments in the energy sector are often high-value, high-risk tran
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Family Offices and Ultra-High-Net-Worth Individuals
The CMS Disputes Team represents ultra-high-net-worth individuals, single and multi-family offices in high stakes litigation and arbitration.  Much of
Finance Disputes
Our Finance Disputes team at CMS consists of litigation and international arbitration specialists within our 20-Partner market leading Financial Servi
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Financial Regulatory Disputes
Comprising three partners supported by around a further 20 lawyers, we are a long-established team specialising in contentious regulatory matters, hel
Fraud and Asset Recovery
Fraud has become an increasingly common element of large commercial disputes. The CMS Disputes team supports clients in complex international fraud an
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Insurance & Reinsurance Disputes
Whether you are an insurer, broker, reinsurer or insured party, your world is changing rapidly as tougher capital and risk requirements impact your bu
International Arbitration
International businesses are increasingly turning to arbitration as a confidential, flexible and effective means of resolving their complex cross-bord
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Life Sciences Disputes
Our Life Sciences disputes and investigations specialists advise clients across the breadth of the sector, including pharmaceutical, medical device an
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Public Law, Procurement and Regulatory
Faced with increasingly complex and frequently changing regulatory and legal frameworks, businesses turn to CMS to bring unparalleled experience in pu
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Real Estate & Planning Disputes
Whether you are a developer, landlord, contractor or occupier, when a real estate project or transaction becomes contentious, you need legal advice fr
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Reputation & Defamation
Reputation is one of the most valuable assets a person or organisation can have. When this is under threat, it is important to defend it quickly and f
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Risk & Investigations
Our specialist teams advise on compliance, investigations and claims, from the development and improvement of compliance controls and systems, includi
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Technology Disputes
CMS’s Technology Disputes Team advises clients on all types of disputes arising from the use and misuse of technology, across all industry sectors.We
Law-Now: Dis­pute Res­ol­u­tion
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Au­gust 2017
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