Firm PROFILE
Lustenberger + Partners
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Lustenberger + Partners

Europe 2026

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Rankings

Europe

Leading firm in Europe 2026

Overview

Provided by Lustenberger + Partners

  • Firm Details

    Number of partners: 8

    Number of professionals: 10

    Languages: English, French, German, Italian, Spanish

  • Firm Overview

    Lustenberger + Partners is a Swiss boutique law firm with a high reputation for its specialisation in dispute resolution (litigation, arbitration and ADR), as well as contentious and non-contentious employment law matters including investigations. Clients benefit from a first class, partner driven approach. Large scale matters are handled by an experienced team of specialist partners and associates. The firm’s strong client orientation demonstrated by customised, agile and cost-efficient legal services, as well as profound sector knowledge are the key differentiators of the firm. Lustenberger + Partners’ teams have been repeatedly singled out by major legal directories, including Who’s Who Legal, The Legal 500, Chambers and Partners, Best Lawyers and Acritas Stars.

  • Main Areas of Practice

    Arbitration:

    5 partners; 7 fee earners based in Zurich, Switzerland

    Recent matters include:

    Representing a Japanese client in a EUR 200 million consortium arbitration under ICC Rules in relation to the construction of a major transportation system in a mega-city.

    Partners: Dr. Claudius Triebold, Monika McQuillen

    ■ Representing a U.S. IT service provider in a Swiss Rules arbitration against a Swiss bank regarding the extraordinary termination of an infrastructure project after several years of project delivery.

    Partners: Dr. Claudius Triebold, Monika McQuillen

    ■ Representing a global food manufacturer in an ICC arbitration in relation to post-acquisition claims under a share purchase agreement against the sellers.

    Partners: Monika McQuillen, Dr. Claudius Triebold

    ■ Representing a med-tech manufacturer against a former Egyptian distributor in an ICC arbitration.

    Partners: Monika McQuillen, Dr. Claudius Triebold

    ■ Multiple arbitrator appointments

    Contacts: Dr. Claudius Triebold, Monika McQuillen, Dr. Michael Lazopoulos

    Tel: +41 44 387 19 00

    Emails: [email protected], [email protected], [email protected]


    Banking & Finance:

    2 Partners; 2 fee earners based in Zurich, Switzerland

    Recent matters include:

    ■ Representation of the CEO of a Swiss financial intermediary in an enforcement procedure before the Swiss Financial Market Supervisory Authority FINMA

    ■ Preparation and submission of application for distribution of foreign collective investment scheme to the Swiss Financial Market Supervisory Authority FINMA

    ■ Set-up of compliance procedures (AML, FinSA, FinIA etc.) for Swiss financial intermediary

    Contact: Peter Juestel

    Tel: +41 44 387 19 00

    Email: [email protected]


    Employment:

    5 partners; 7 fee earners based in Zurich, Switzerland

    Recent matters include:

    Representation of a major commodity trading company in proceedings against a former senior executive member regarding the enforceability of the company’s equity participation scheme.

    Partner: Monika McQuillen

    ■ Client representation against a large bank, following a whistleblowing complaint against a senior manager.

    Partner: Dr. Michael Lazopoulos

    ■ Assist a med-tech manufacturer in relation to the ring-fencing and sale of a business as the Swiss law expert in a wider global legal team of an international law firm.

    Partner: Monika McQuillen

    ■ Sitting as Sole Arbitrator

    Partner: Monika McQuillen.

    Contact: Monika McQuillen

    Tel: +41 44 387 19 00

    Email: [email protected]


    Litigation:

    8 partners; 10 fee earners based in Zurich, Switzerland

    Recent matters include:

    Representation of an investment fund as a civil claimant in a multi-jurisdictional commercial fraud case worth EUR 111 million, before the Swiss Federal Prosecutor and the Swiss Federal Criminal Court.

    Partner: Dr. Michael Lazopoulos

    ■ Representation of a North African State in set-aside proceedings relating to a high value ICC arbitral award.

    Partners: Dr. Claudius Triebold, Monika McQuillen

    ■ Assisting a large bank in debt recovery proceedings, which resulted in 12 additional court proceedings, two of them at the Swiss Federal Supreme Court (the highest court in Switzerland).

    Partner: Dr. Michael Lazopoulos

    ■ Representing a bank against over 200 bank customers following the lifting of the EUR/CHF FX floor and the subsequent crash of exchange rates.

    Partner: Monika McQuillen

    ■ Representing a long-standing distributor for appliances in the Commercial Court in relation to the termination of the distribution contract

    Partner: Monika McQuillen

    ■ Representing a Danish furniture manufacturer in the Commercial Court in relation to alleged product defects and unpaid invoices

    Partner: Monika McQuillen

    Contacts: Dr. Claudius Triebold, Monika McQuillen, Dr. Michael Lazopoulos

    Tel: +41 44 387 19 00

    Emails: [email protected], [email protected], [email protected]


    Mediation:

    2 partners; 2 fee earners based in Zurich, Switzerland

    Recent matters include:

    Mediation of a dispute between a hospital management and its staff.

    Partner: Monika McQuillen

    ■ Mediation of a strategy related dispute among partners of a major law firm.

    Partner: Dr. Claudius Triebold

    ■ In-House Mediation of conflicts among employees.

    Partner: Monika McQuillen

    ■ Acting as mediator in relation to financial services disputes in accordance with the Financial Services Act

    Partner: Monika McQuillen

    Contacts: Monika McQuillen, Dr. Claudius Triebold

    Tel: +41 44 387 19 00

    Emails: [email protected], [email protected]

Ranked Offices at Lustenberger + Partners

Provided by Lustenberger + Partners

Switzerland - Head office

Zurich

Wiesenstrasse 8 P.O. Box, Zurich, Zurich, Switzerland, CH-8032, Zurich

Ranked Departments at Lustenberger + Partners (2)

Switzerland

Ranked Individuals at Lustenberger + Partners (3)

Switzerland

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