Department profile
WilmerHale

International Arbitration: Investor-State Arbitration

UK Guide 2026 : UK-wide


WilmerHale

About

Provided by WilmerHale

WilmerHale offers one of the world's premier international arbitration and dispute resolution practices.

Our international arbitration group has been involved in more than 650 proceedings in recent years. We have successfully represented clients in a number of the largest institutional arbitrations and several of the most significant ad hoc arbitrations to arise in the past decade. We have extensive experience with arbitrations administered by all of the major international arbitration institutions (including the ICC, LCIA, AAA/ICDR, SIAC, HKIAC, SCC, VIAC and others), as well as more specialised forms of institutional arbitration and ad hoc arbitrations, including arbitration of public international law issues. We pride ourselves on consistently achieving our clients' objectives through efficient staffing and the use of in-house know-how and precedents. 

Centred in the London office, our multinational team consists of more than 70 lawyers in Europe and the United States, all of whom practice principally in the international arbitration field and many of whom specialise in particular areas (such as oil and gas, insurance, joint venture and M&A). Our international arbitration group includes both common and civil law practitioners, and prides itself on working together as an integrated team. In addition to representing clients as counsel, many of our lawyers regularly sit as arbitrators.

To learn more, visit us at www.wilmerhale.com/litigation/international_arbitration/

Chambers Review

Provided by Chambers

International Arbitration: Investor-State Arbitration - UK-wide

Band 3

Band 3


What the Team is Known For

WilmerHale has a strong international arbitration practice with a notable track record of handling complex institutional and ad hoc arbitrations. The team has significant experience in the oil and gas, telecoms, financial and technology sectors. Its members appear before tribunals seated across a number of arbitration hubs, including London, Stockholm, Singapore and Paris, often in connection with multimillion- and multibillion-dollar disputes. It also has expertise acting for states and corporations in arbitrations concerning investment treaties, including BITs. The firm's practitioners are experienced in acting under the auspices of institutions such as the ICC and LCIA.

Strengths

Provided by Chambers

  • WilmerHale is a top-tier global firm with international connections.

    International Arbitration: Investor-State Arbitration respondentUK
  • They are always keen on listening to ideas and focusing on the legal aspects of the case. Their strategy takes into consideration the business needs of the client.

    International Arbitration: Investor-State Arbitration respondentUK
  • They are able to distill the decisive points out of an ocean of information.

    International Arbitration: Investor-State Arbitration respondentUK
  • WilmerHale demonstrates incredible depth of expertise, strategic abilities and attention to detail.

    International Arbitration: Investor-State Arbitration respondentUK
  • WilmerHale is always incredibly creative in its ability to think outside the box and develop potential claims and defences.

    International Arbitration: Investor-State Arbitration respondentUK

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