Thomas Brönnimann’s practice focuses on capital markets and private and public M&A transactions, with a particular focus on listed entities and other large enterprises. Thomas also advises listed companies on corporate law and governance matters and on securities regulations. Other areas of work include financings through the credit spectrum.

Deals & Cases

FEMSA and Valora join forces – Agreement on the acquisition of Valora Holding AG by FEMSA, a leading Latin American retailer by way of public tender cash offer
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Partners Group co-leads fundraising round of CHF 600m in Climeworks
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PolyPeptide Group AG successfully opens Swiss IPO Season 2021 with an up to CHF 848m offering
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Thomas has extensive experience in large corporate/M&A and capital markets transactions. He represents issuers and investment banks in IPOs, rights offerings, convertible bonds, PIPE transactions, block trades and other capital market transactions, and advises listed companies on corporate law and governance matters and securities regulations. Thomas’ M&A practice includes both public tender offers and private transactions for strategic and financial buyers and sellers. Thomas represents clients before the Swiss Takeover Board. Other areas of work include financings through the credit spectrum.


  • Counsel to Landis+Gyr in the CHF 2.3 billion IPO of Landis+Gyr on SIX Swiss Exchange
  • Counsel to Actelion in the USD 30 billion all-cash tender offer by Johnson & Johnson
  • Counsel to Nasdaq listed BioTelemetry in connection with its successful competing tender offer for all the share of SIX listed LifeWatch
  • Counsel to Partners Group and Capvis in their multiple placements of shares in SIX listed VAT Group via accelerated bookbuilding transactions with an aggregate transaction value of approx. CHF 1.2 billion
  • Counsel to underwriters in the rights offerings of SIX listed Dufry for the multi-billion acquisitions of The Nuance Group and World Duty Free
2004 Columbia Law School, New York, LL.M.
2001 Admitted to the Bar, Rechtsanwalt
1998 University of St.Gallen, lic. iur.
Best Lawyers 2024
Chambers Global 2014 – 2024
Chambers Europe 2014 – 2024
The Legal500 EMEA 2020 – 2024 – Recommended
IFLR1000 2019 – 2023 – Notable Practicioner
Who’s Who Legal: Switzerland 2016 – 2023
Best Lawyers 2023
Best Lawyers 2022
  • Swiss Bar Association
  • Zurich Bar Association
  • IBA International Bar Association
2012 Partner, Niederer Kraft Frey
2009 Senior Associate, Niederer Kraft Frey
2007 Legal Counsel of a Swiss based privately owned investment company
2005 Senior Associate, Niederer Kraft Frey
2001 Associate, Niederer Kraft Frey
1998 Junior Associate, Niederer Kraft Frey



Deals & Cases


Galderma successfully launches its IPO on SIX Swiss Exchange

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R&S Group enters into Business Combination Agreement with VT5

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Macquarie Asset Management closes up to USD 325m investment in Atlas Agro

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Market Perception

«“Thomas Brönnimann’s client service and general level of service, his level of sophistication and his commercial awareness and vision are all very strong. He is a very strong lawyer.” »
Chambers 2024
«Thomas Brönnimann is an excellent lawyer. He is responsive and pleasant to work with.»
Chambers Global 2023
«an excellent lawyer who cares about his clients»
Chambers Global 2022
«Thomas Brönnimann, excellent knowledge, thorough, cost efficient. »
Legal 500 2022
«He is ‘very solid and experienced,’ as well as ‘super helpful and responsive,’ says one satisfied client.»
Chambers Global 2021

Awards & Rankings


NKF ranked top-tier firm in six practice areas by IFLR1000 2023

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NKF receives European Corporate Deal of the Year Award at The Lawyer European Awards ceremony

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The M&A Law Review – Swiss Chapter 2021

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Chambers Europe 2020, Switzerland: An Introduction to Capital Markets

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Debt Capital Markets in Switzerland 2020

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