LAWYER PROFILE

Olivier de Vilmorin

Global 2026

Sullivan & Cromwell LLP

Ranked in 2 practice areas

Capital Markets: Equity

France

19 years ranked

Corporate/M&A: High-end Capability

France

6 years ranked

Contributions and articles

1 Global Practice Guides

About

Provided by Sullivan & Cromwell LLP

Global

Practice Areas

General Practice

Capital Markets

Digital Infrastructure

Environmental, Social and Governance (ESG)

Infrastructure

Mergers & Acquisitions

National Security

Private Equity

Restructuring and Special Situations

Technology

Venture Capital & Emerging Growth Companies

Career

Olivier de Vilmorin is the Managing Partner of the Firm’s Paris office and head of the Firm’s European M&A Practice. He is a member of the Paris and New York bars, and frequently advises both French and international clients on a wide variety of prominent mergers and acquisitions, private equity, and capital markets transactions. Mr. de Vilmorin has considerable experience representing purchasers, sellers and financial institutions in mergers and acquisitions of listed and private companies.

In capital markets, Mr. de Vilmorin is highly accomplished in advising both issuers and underwriters in a range of debt and equity transactions.

Personal

Harvard Law School, LL.M., 1995; Université de Paris II Panthéon-Assas, D.E.S.S., 1993; Université de Paris II Panthéon-Assas, Maitrise, 1992; Université de Paris II Panthéon-Assas, Inst. of Business Law, 1992

Bar Admissions:

Paris

New York

Languages:

English

French

Chambers Review

Provided by Chambers

Chambers Global Guide

Capital Markets: Equity - France

Band 2

Individual Editorial

Olivier de Vilmorin advises major issuers and underwriters on capital increases, IPOs and accelerated bookbuild transactions.

Learn more about this team View ranking table

Corporate/M&A: High-end Capability - France

Band 2

Individual Editorial

Olivier de Vilmorin possesses a strong track record in handling cross-border public M&A transactions for large corporates, asset managers and financial institutions.

Learn more about this team View ranking table

Strengths

Provided by Chambers

He is a very good legal counsel for financing matters. He knows very well the American market. He also knows how to coordinate with the US teams given that there may be cultural barriers between us.
Capital Markets: EquityChambers Global Guide
Olivier de Vilmorin is an helpful, pragmatic and creative legal partner.
Capital Markets: EquityChambers Global Guide
Olivier de Vilmorin is a highly experienced lawyer with excellent knowledge of ECM and M&A and great involvement in market reforms. He is reassuring, very involved and has great business sense.
Capital Markets: EquityChambers Global Guide
His strengths are his knowledge, his experience, his agile nature and his availability.
Capital Markets: EquityChambers Global Guide
Olivier is top for big M&A transactions. He is excellent at client care, feels the room and is a great negotiator - you feel that he knows all of the details of the deal at all times.
Corporate/M&A: High-end CapabilityChambers Global Guide
Olivier de Vilmorin is really client focused, you can really bounce ideas off him.
Corporate/M&A: High-end CapabilityChambers Global Guide

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