Simone Ehrsam
Partner
Attorney at Law
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Partner Attorney at Law +41 58 450 80 00 simone.ehrsam@lenzstaehelin.com |
Zürich Brandschenkestrasse 24 CH-8027 Zürich www.lenzstaehelin.com |
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Expertise
Simone Ehrsam is a corporate partner based in our Zurich office, where she advises clients on all aspects of Swiss business law. She has extensive experience representing clients in domestic and cross-border M&A transactions, including public tender offers.
She recently represented, among others, Baloise in its merger with Helvetia, Rieter in the acquisition of Barmag from OC Oerlikon, Orascom Development Holding in the public tender offer by LPSO Holding, CREALOGIX in the public tender offer by Vencora UK Limited, Krones AG in the acquisition of all shares in Netstal Maschinen AG from KraussMaffei, and Amundi in the acquisition of Alpha Associates.
She has been admitted as an expert to the SIX Swiss Exchange for Listing Purposes and lectures on the LL.M. programme at the University of Zurich.
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Fachgebiete
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Spezialgebiete
Corporate and M&A, Public Tender Offers, Private Equity, Capital Markets, Corporate Governance, Commercial and Contract Law -
Beruflicher Werdegang und Ausbildung
und Ausbildung
2022 Partner, Lenz & Staehelin 2014-15 Visiting attorney, Wachtell, Lipton, Rosen & Katz, New York 2012 Associate, Lenz & Staehelin 2012 Swiss Bar Admission 2010 University of Basel (MLaw) 2008 University of Basel (BLaw) -
Sprachen
German, English -
Mitgliedschaften
Zurich Bar Association (ZAV), Swiss Bar Association (SAV) -
Ausgewählte Publikationen
- Ehrsam S., Gaberthüel T., Aktuelle Fragen im Umgang mit Grossaktionären von börsenkotierten Unternehmen, in: SZW-RSDA 02/2026
- Gaberthüel T., Ehrsam S., Öffentliche Umtauschangebote, in: GesKR (Gesellschafts- und Kapitalmarktrecht), 2/2025, 180 - 190
- Ehrsam S., Kommentierung von Art. 18-22, FusG, in: Watter/Daeniker/Gaberthüel (eds.), Basler Kommentar zum Fusionsgesetz, 3rd edition, Basel 2025
- Gaberthüel T., Ehrsam S., Schweizer Übernahmerecht - ausgewählte aktuelle Entwicklungen, in: SZW/RSDA, 5/2024
- Ehrsam S., Held L., Generalversammlung bei kotierten Gesellschaften – Lessons learned, in: iusNet, January 2024
- Gaberthüel T., Ehrsam S., Praktische Umsetzung der Aktienrechtsrevision, in: GesKR (Gesellschafts- und Kapitalmarktrecht) 2/2023
- Morscher L., Ehrsam S., Kommentierung von Art. 620-625 OR, in: Kostkiewicz/Wolf/Amstutz/Fankhauser (Hrsg.), Kommentar zum Schweizerischen Obligationenrecht, 4th edition, Zurich 2022
- Ehrsam S., Held L., Generalversammlung ab 2023 - neue Welt oder alles wie bisher?, in: iusNet, September 2022
- Diem H., Ehrsam S., COVID-19 - Ein Panorama der Rechtsfragen zur Corona-Krise, 1st edition, Basel 2020
- Wolf M., Ehrsam S., Sachgewährleistung beim Unternehmenskauf: Entdeckung des Mangels, in: GesKR (Gesellschafts- und Kapitalmarktrecht) 2/2013, 299-304
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Weitere Aktivitäten
Admitted as an expert to the SIX Swiss Exchange for Listing Purposes.
Lecturer on M&A law in the LL.M. program of the University of Zurich.
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Kontakt
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Assistenz
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Weitere Aktivitäten
Admitted as an expert to the SIX Swiss Exchange for Listing Purposes.
Lecturer on M&A law in the LL.M. program of the University of Zurich.
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Referenzen
Simone has very strong client service, sophistication and commercial vision. She is a calm, no-nonsense and confident negotiator who gets the job done.
Chambers & Partners, 2026If Simone Ehrsam is on your deal, you can have a very high level of confidence that it will get done.
Chambers & Partners, 2026Simone is a smart thinker who keeps the overview but is also well versed in the crucial details. She is also very responsive, offers a high level of quality and has a good feel for negotiations.
Chambers & Partners, 2026Simone Ehrsam is a rising star in Swiss M&A, technically brilliant and a quick thinker with excellent commercial judgement.
The Legal 500, 2026Simone Ehrsam is an expert in her field. She is very pragmatic, very business-oriented and very experienced.
Chambers & Partners, 2025Simone is an outstanding professional, top-notch legal advisor and effective and deal-oriented negotiator. Impressively committed and responsive at every point of the deal.
The Legal 500, 2025Highly experienced in public M&A situations.
The Legal 500, 2024Market sources single out Simone Ehrsam as "a top M&A lawyer" who is "instrumental in bringing transactions to a good end".
Who's Who Legal, 2024Extremely responsive, alert and pragmatic.
IFLR 1000, 2023