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Sullivan & Cromwell LLP

Private Wealth Law

High Net Worth Guide 2026 : London (Firms)

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Sullivan & Cromwell LLP

Rankings

About

Provided by Sullivan & Cromwell LLP

To learn about our practice, please visit https://www.sullcrom.com/PracticeListing.

Chambers Review

Provided by Chambers

Private Wealth Law - London (Firms)

Band 4

What the Team is Known For

Sullivan & Cromwell’s London private wealth practice is noted for its cross-border capabilities, and is particularly sought after for UK/US trust and estate advice.

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Strengths

Provided by Chambers

  • The firm provides very precise and succinct advice that fits the situation perfectly.

    Private Wealth Law respondentHigh Net Worth

  • Sullivan & Cromwell are distinguished by their knowledge, experience and advice.

    Private Wealth Law respondentHigh Net Worth

  • Sullivan & Cromwell are very thoughtful, practical and have a reasoned approach to very difficult and at times esoteric questions.

    Private Wealth Law respondentHigh Net Worth

  • Sullivan & Cromwell are the most internationally experienced of the US firms, familiar with dealing with the crossover between the US and other jurisdictions.

    Private Wealth Law respondentHigh Net Worth

  • Sullivan & Cromwell's experience across jurisdictions and offices in various jurisdictions is a strength. They have top clients and high-quality staff working for them.

    Private Wealth Law respondentHigh Net Worth

Notable Practitioners

Provided by Chambers

  • Basil P Zirinis
    Basil P Zirinis

    Basil P Zirinis

    Basil Zirinis is highly regarded for his work in international private wealth. He advises ultra high net worth clients on trusts, estate planning and wealth structuring.

    • Basil brings a great deal of experience and wisdom to the table. He has wonderful executive presence and a statesmanlike quality.

      Private Wealth Law respondentHigh Net Worth

    • I think Basil is outstanding because of his experience, ability to strategically advise families with a UK/US background and personality.

      Private Wealth Law respondentHigh Net Worth

    • Basil is a profoundly sophisticated and deeply respected member of the professional community. He is focused on building extraordinary relationships and leads some of the most exciting international matters.

      Private Wealth Law respondentHigh Net Worth

    • Basil is extremely knowledgeable and easy to work with.

      Private Wealth Law respondentHigh Net Worth

    • Basil is an excellent lawyer and has the most fantastic client skills. He explains everything clearly and in a positive, constructive way. He has been in this sphere for a long time, and that is demonstrated in how he manages client relationships.

      Private Wealth Law respondentHigh Net Worth
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  • Elizabeth Kubanik
    Elizabeth Kubanik

    Elizabeth Kubanik

    Elizabeth Kubanik is well regarded for her practice in international private wealth planning. She advises ultra high net worth clients on tax, family governance and wealth structuring.

    • Liz is thoughtful, technically sharp and approachable. She is a pleasure to work with, and I hope to continue working with her for many years.

      Private Wealth Law respondentHigh Net Worth

    • Elizabeth has deep knowledge and is efficient.

      Private Wealth Law respondentHigh Net Worth

    • She is practical and pragmatic in finding and developing solutions, pushing back on behalf of her client when necessary.

      Private Wealth Law respondentHigh Net Worth
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Ranked Individuals at Sullivan & Cromwell LLP (2)

London (Firms)

Members

Provided by Sullivan & Cromwell LLP

Sullivan & Cromwell LLP has rankings in the following guides

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