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International Arbitration

1 specialist practice area in International Arbitration

International businesses are increasingly turning to arbitration as a confidential, flexible and effective means of resolving their complex cross-border disputes. In sectors such as energy, banking and finance, engineering, life sciences and insurance, it is of paramount importance that your dispute is handled (and resolved) by those with expertise in the sector. International arbitration allows for just that.

Consistently ranked in the global directories of the world’s leading international arbitration practices, our team has a significant track record in international arbitration, from advising on the drafting of arbitration agreements through the conduct of the arbitral process to enforcing arbitration awards, including acting in related Court proceedings. We regularly act in arbitrations conducted under all the major rules (LCIA, ICC, HKIAC, SIAC, CIETAC, LMAA, UNCITRAL, AAA) and frequently act as advocates. Members of our team also sit as arbitrators. We work on a cross border basis and the international reach of our international arbitration practice means that we can field specialists in jurisdictions across the globe, working in a number of different languages. The CMS Guide to International Arbitration provides an overview or arbitration law and practice in 48 jurisdictions.

Our international arbitration team also has significant experience and expertise in investor state dispute settlement processes, focussing on the conduct of arbitration cases before specialist tribunals and advising on investment protection strategies.

Our specialist practice areas

Awards & Recognitions
01
  • Quote
    "A combination of legal talent, hard work, pragmatism and commercial nous make this a highly effective and efficient team for commercial arbitration."
    Legal 500, 2024
  • Quote
    "CMS has great strength in depth among its partners and associates."
    Chambers, 2024
  • Quote
    "The team are strong, hard-working and analytical."
    Chambers, 2024
  • Quote
    "They are client-oriented and understand the commercial constraints that come with certain cases."
    Chambers, 2024

Explore more

CMS recognised as a leading global arbitration practice with top 15 ranking in GAR100 2026

14 Apr 2026 2 min read

All good things (including arbitrations) must come to an end: Court of Appeal finds unlimited power for tribunal to amend its award incompatible with Arbitration Act 1996

23 Mar 2026 6 min read

CMS Expert Guide to International Arbitration

20 Mar 2026 3 min read

Energy: ICSID Convention awards are not assignable in England

24 Feb 2026 9 min read

English High Court orders the disclosure of foreign arbitration documents to protect assets subject to undertakings

09 Feb 2026 8 min read

Companies House

15 Jan 2026 2 min read

Regulation nation?

15 Jan 2026 1 min read

Serious Fraud Office

15 Jan 2026 3 min read

Events

  • United Kingdom
    02 May 2026

    CMS at INTA 2026

  • United Kingdom
    05 May 2026

    Joint seminar with CMS and Tannenbaum Helpern - A global perspective on securing, maintaining, and enforcing...

  • United Kingdom
    05 May 2026

    Cross-Border Financial Services 2026 webinar series

  • United Kingdom
    07 May 2026

    A new era? The Employment Rights Act 2025 and AI in employment disputes

  • United Kingdom
    11 May 2026

    Skills for Future Facing Teams: The Adaptable Leader in Conflict

  • United Kingdom
    12 May 2026

    CMS Gambling Conference 2026

  • United Kingdom
    13 May 2026

    2026 ITechLaw World Technology Law Conference in Chicago

  • United Kingdom
    21 May 2026

    Navigating Global Uncertainty: Practical Insights for In-House Teams

  • United Kingdom
    28 May 2026

    CMS International Crypto Forum 2026

  • United Kingdom
    03 Jun 2026

    IP Insights webinar series 2026

  • United Kingdom
    08 Jun 2026

    Skills for Future Facing Teams: Presenting as a Leader

  • United Kingdom
    09 Jun 2026

    CMS Consumer & Retail Conference 2026

  • United Kingdom
    22 Jun 2026

    Skills for Future Facing Teams: The Leader Who Advocates Legal Value

  • United Kingdom
    30 Jun 2026

    On the Pulse webinar series 2026 - Spring/Summer

  • United Kingdom
    06 Jul 2026

    CMS Skills For Future Facing Teams: The empowering leader

Local market knowledge. Global outlook

We provide future-facing legal advice to help your organisation thrive. Combining local market knowledge and a global perspective, and with lawyers in locations worldwide, your organisation benefits from the expertise it needs, even across borders.

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