Department profile
Withers

International Arbitration: Investor-State Arbitration

Global Guide 2026 : UK

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Withers

Rankings

Chambers Review

Provided by Chambers

International Arbitration: Investor-State Arbitration - UK

Band 4

What the Team is Known For
Withers has a growing reputation in the market for its international arbitration work. The firm is especially recognised for its work in the investor-state space, where it receives significant instructions from states, state-owned entities and companies. The team is also noted for its representation of energy and construction clients in commercial proceedings. Its lawyers are proficient in handling arbitrations under ICSID and UNCITRAL rules.
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Work Highlights

Provided by Chambers

  • Withers represents the Qatar National Bank in ICSID arbitration proceedings against the Republic of South Sudan and the Bank of South Sudan in connection with a failure to repay a loan under a facility agreement.

Strengths

Provided by Chambers

  • They are very collaborative.

    International Arbitration: Investor-State Arbitration respondentGlobal

  • Withers is impressive and user-friendly.

    International Arbitration: Investor-State Arbitration respondentGlobal

  • The wider team responds very quickly, with clear and helpful engagement.

    International Arbitration: Investor-State Arbitration respondentGlobal

  • They are experienced and knowledgeable, and they readily leverage their experience and expertise to provide customised solutions.

    International Arbitration: Investor-State Arbitration respondentGlobal

Notable Practitioners

Provided by Chambers

  • Hussein Haeri
    Hussein Haeri

    Hussein Haeri

    Co-head of the firm's international arbitration group, Hussein Haeri KC comes highly recommended for his investor-state arbitration practice. He is skilled at handling complex BIT claims and is regularly sought out by sovereign states to act in high-value ICSID arbitrations.

    • Hussein manages to be meticulous and commercial.

      International Arbitration: Investor-State Arbitration respondentGlobal

    • He is a savvy negotiator, which is a reflection of how he crafts his briefs.

      International Arbitration: Investor-State Arbitration respondentGlobal

    • Hussein is hands-on and extremely nimble and creative.

      International Arbitration: Investor-State Arbitration respondentGlobal

    • Hussein demonstrates strong legal expertise, strategic insight and a remarkable commitment to client service.

      International Arbitration: Investor-State Arbitration respondentGlobal
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Ranked Individuals at Withers (1)

UK

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