About
Biography
Experience
Marie Flegbo-Berney is a Swiss qualified attorney-at-law with extensive experience in corporate law, mergers and acquisitions (M&A), commercial contracts, employment, and philanthropy. She has been a partner at Bonnard Lawson in Geneva since 2017, after serving as a senior associate at the same firm from 2014 to 2016. Prior to that, she worked at Lenz & Staehelin in Geneva as a senior associate from 2007 to 2014 and as a legal trainee from 2003 to 2005. Marie regularly advises multinational companies, SMEs, entrepreneurs, and investors on cross-border and domestic transactions, shareholders and investment agreements, corporate restructuring, financing, corporate governance, commercial agreements, and employment issues. She also advises on the setup, structure, and governance of non-profit foundations. Additionally, she serves as an independent board member of several organizations including the Geneva Freeport, SwissTech Watch Components SA, and Boucledor SA in the watchmaking sector, as well as non-profit foundations.
Specialty
Marie Flegbo-Berney specializes primarily in corporate law, mergers and acquisitions, commercial contracts, employment law, and philanthropy, with a particular focus on foundations. She frequently supports clients in restructuring, financing, and governance matters. Her expertise also extends to advising foundations on their establishment, structure, and governance. She is proficient in assisting clients with cross-border and domestic transactions and corporate governance frameworks, ensuring compliance and effective management.
Education
Marie holds an LL.M. in International Business and Trade from Fordham University School of Law, New York, completed in 2007. She was admitted to the Geneva Bar in Switzerland in 2006 and earned her Master in Law degrees from the Universities of Geneva and Zurich in 2003.
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Ranked in Legal 500 for Commercial, Corporate and M&A alongside colleagues at Bonnard Lawson in 2025, recognizing her expertise and contributions in these practice areas 1, 3.
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Partner at Bonnard Lawson since 2017, demonstrating leadership within the firm 2.
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Independent board member of Geneva Freeport (Ports-Francs et Entrepôts de Genève SA), SwissTech Watch Components SA, and Boucledor SA, reflecting leadership roles in both commercial and non-profit sectors 2.
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Co-author of a legal publication on foreign direct investment reviews in Switzerland (2024), contributing expert knowledge to the field 6.
Law Firm
BONNARD LAWSON
Marie Flegbo-Berney featured in

Practice Area
Foundation Board Liability in Switzerland (2026): Duties, When Board Members Can Be Held Personally Liable, Insurance and Risk-management
3 Sept 2026

Practice Area
When to Hire a Foundations Lawyer in Switzerland (2026): Practical Guidance for Founders, Family Offices & Philanthropists
27 Aug 2026

Practice Area
Switzerland's Beneficial Ownership Register: What the TLEA Means for Swiss and Foreign Structures
25 Aug 2026

Practice Area
How to Make Cross‑border Grants From a Swiss Foundation (2026)
20 Aug 2026

Practice Area
How to Dissolve a Swiss Foundation in 2026, Article 88 CC, Liquidation Steps & Board Duties
11 Aug 2026

Practice Area
Nonprofit Foundation Board Requirements in Switzerland: Residency, Independence, Remuneration & Conflicts
11 Aug 2026
Frequently Asked Questions
What is Marie Flegbo-Berney's area of expertise?
Marie Flegbo-Berney specializes in corporate law, mergers and acquisitions, commercial contracts, employment law, and philanthropy, with a focus on foundations.
What roles does Marie Flegbo-Berney hold outside her legal practice?
She serves as an independent board member of the Geneva Freeport, SwissTech Watch Components SA, and Boucledor SA, and is also a co-author of a legal publication on foreign direct investment reviews in Switzerland.
Where did Marie Flegbo-Berney obtain her legal education?
She earned her Master in Law degrees from the Universities of Geneva and Zurich in 2003, completed an LL.M. in International Business and Trade at Fordham University School of Law in 2007, and was admitted to the Geneva Bar in 2006.
Since when has Marie Flegbo-Berney been a partner at Bonnard Lawson?
She has been a partner at Bonnard Lawson since 2017.
In which practice areas was Marie ranked in the Legal 500 in 2025?
She was ranked in Commercial, Corporate, and M&A practice areas.
What type of clients does Marie Flegbo-Berney advise?
She advises multinational companies, SMEs, entrepreneurs, and investors on cross-border and domestic transactions, shareholder and investment agreements, corporate restructuring, financing, corporate governance, commercial agreements, and employment issues.
