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Marc Grüninger

Partner

Attorney-at-Law, M.C.J.

Marc Grüninger is co-head of valfor’s Banking and Finance as well as the Capital Markets practices. He is also a member of the Corporate/M&A and Energy and Natural Resources teams. His practice focuses on capital markets, banking and finance as well as domestic and cross-border M&A. 

Marc Grüninger acts as advisor to borrowers, lenders and sponsors on financing and corporate lending transactions, including syndicated lending, debt financings, acquisition and leveraged financings, asset-based financings, international bond offerings and securitizations. 

He specializes in equity offerings, listings, dual listings and IPOs and is recognized by SIX Swiss Exchange Regulation as a competent specialist for the listing of securities on SIX Swiss Exchange.

Marc Grüninger also advises financial institutions and market participants on banking, financial market and securities regulation and compliance.

He represents clients in M&A transactions including auctions, mergers, spin-offs, carve-outs, buy-outs, co-investments, joint ventures, complex intra-group restructurings, and private equity across a wide range of industry sectors.

Location
Zurich St. Annagasse 9 P.O. Box 1162
8021 Zurich Switzerland +41 58 220 37 00
Bern Tavelweg 2 P.O. Box
3074 Bern Muri Switzerland +41 58 356 50 50
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Languages

"Marc Grüninger heads up the department in Zurich and is a financial services regulatory expert. Grüninger is also well-versed in corporate lending, structured finance securitisations and asset finance."
Legal500, 2025
"Marc Grüninger, Jean-Yves Rebord, and Christophe De Kalbermatten are the key names operating at the forefront of the capital markets team."
Legal500, 2025
“Practice head Marc Grüninger bolsters the practice with his expertise in corporate governance, compliance and shareholder relations.“
Legal500, 2024
“Founding partner Marc Gruninger leads the team, and has a broad practice which includes debt financing and securities offerings.“
Legal500, 2023
“Marc Gruninger is an exceptional lawyer that, aside from being an expert on corporate and financial matters, is very good at explaining complex matters to clients.“
Legal500, 2023
“The excellent Marc Grüninger is incredibly responsive and very commercial.“
Legal500, 2018
“The attentive and responsive Marc Grüninger provides clear and spot-on advice.“
Legal500, 2018
“Department head Marc Grüninger is ‘on top of things, proactive and very client-focused. Grüninger is well versed in corporate/M&A and energy law.”
Legal500 EMEA,
“Marc Grüninger is very experienced and client-focused”
Legal500 EMEA,
“Marc Grüninger is hailed as a great guy working in the space who is brilliant on the corporate side and very easy to work with.“
WWL Who's Who Legal/Lexology Index, 2023
“Marc Grüninger excels in domestic and cross-border transactions spanning the energy and natural resources market.“
WWL Who's Who Legal/Lexology Index, 2023
“Marc Grüninger receives accolades for his impressive track-record working on M&A and financing transactions within the energy sector.“
WWL Who's Who Legal/Lexology Index, 2023
“Marc Grüninger draws praise from market commentators for being 'hugely experienced and great to work with' on energy transactions and corporate financing.“
WWL Who's Who Legal/Lexology Index, 2021
“Head of finance Marc Grüninger is widely regarded as a market leader”
WWL Who's Who Legal/Lexology Index, 2019
“Marc Grüninger is a leading name in the Swiss market who has extensive expertise in corporate transactions, financings and disputes spanning the energy sector.”
WWL Who's Who Legal/Lexology Index, 2019
“Global Elite Thought Leader – Energy 2022”
WWL Who's Who Legal/Lexology Index, 2022
“Thought Leader – Global Elite 2023”
WWL Who's Who Legal/Lexology Index, 2023
“Global Elite Thought Leader – Energy 2026”
Who's Who Legal/Lexology Index, 2026
“Energy Lawyer of the Year (Switzerland) 2020”
Who's Who Legal/Lexology Index, 2020
“Switzerland's Lawyer of the Year – Energy 2021”
Who's Who Legal/Lexology Index, 2021
“Highly regarded (M&A/Energy)”
IFLR1000, 2025-2026
Best Lawyers Switzerland (Corporate Law)
2018-2026

Experience

News & Insights about Marc Grüninger

Deals and cases

valfor advised Cemex on the successful issuance of Mex$ 5.5 billion long-term Notes

23 July 2026
News

valfor recognized by Handelsblatt – Best Lawyers 2026

23 July 2026
Publications

Energy Law Quarterly - Home Charging Infrastructure

2 July 2026
Deals and cases

valfor advised Templus on the acquisition of nine data centers from AtlasEdge

17 June 2026
Publications

Energy Law Quarterly - Net-express

9 January 2026
Publications

Negative Interest Rates in Banking: Previous Case Law – Publication Now Available in Full Text

12 November 2025
Publications

Energy Law Quarterly - Local Electricity Community ("LEG")

9 October 2025
Publications

Energy Law Quarterly - Virtual self-consumption community (vZEV)

24 June 2025
News

Marc Grüninger, Nicolas de Gottrau and Jean-Yves Rebord featured in Banking and Finance (Zurich and Geneva) of The Legal 500

22 May 2025
Publications

Energy Law Quarterly - The Swiss Broadband Promotion Act

15 April 2025
Deals and cases

POLYGENA acquires Kubo Tech

3 December 2024
News

valfor Energy Law Quarterly - October 2024 - Solar obligation in Switzerland

7 October 2024
Deals and cases

Energy Law Quarterly - At the polls: Electricity Act on a secure electricity supply with renewable energies

12 July 2024
Deals and cases

valfor advises Cemex on the reopening and placement of Mex$ 5.5 billion sustainability-linked long-term Notes

7 May 2024
Deals and cases

valfor advised Cemex on its €750 million bank refinancing

7 May 2024
News

GHR Rechtsanwälte again featured in The Legal500's EAME rankings

5 April 2024
News

GHR Energy Law Quarterly - March 2024 - Fiber optic network in Switzerland

14 March 2024
Deals and cases

GHR Energy Law Quarterly - July 2023 - Switzerland's climate targets: at the ballot box and before the ECHR

3 July 2023
Deals and cases

GHR Energy Law Quarterly - March 2023 - The association for own consumption - or how the return to basic power supply succeeds

30 March 2023
News

GHR Energy Law Quarterly - December 2022 - Security of energy supply in Switzerland - federal measures

23 June 2022

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