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A founder leaving the team?
Implemented an ESOP without ruling?
Lost in term sheet legalese?
You focus on your startup.
We take care of your legal needs.

A founder leaving the team?
Implemented an ESOP without ruling?
Lost in term sheet legalese?
You focus on your startup.
We take care of your legal needs.

News

Deals & Cases | 11 July 2025
NUCLIDIUM Closes CHF 79 Million (EUR 84 Million) Series B Financing to Advance Clinical Development of its Copper-based Radiopharmaceutical Platform
Deals & Cases | 26 June 2025
Walder Wyss advised Boostbar AG on EUR 16m financing round
Deals & Cases | 17 June 2025
Voliro announces Series A Extension
Deals & Cases | 13 May 2025
Granite Bio Debuts With USD 100 Million of Capital
Deals & Cases | 8 April 2025
Sparta Commodities secures USD 42m Series-B Round led by One Peak to transform commodity trading with AI-powered insights and collaboration
Deals & Cases | 12 March 2025
Vi Partners Invests in Kadoa
Deals & Cases | 28 February 2025
Unique announces USD 30m Series-A financing led by CommerzVentures and DN Capital
Deals & Cases | 26 February 2025
Pexapark Acquires RenewaFi
Deals & Cases | 28 January 2025
Walder Wyss advised RhyGaze AG on USD 86m Series A Financing Round
Deals & Cases | 22 January 2025
Walder Wyss advises on exit of Y-Combinator startup Tremor Labs, Inc. to Vercel Inc.

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Events

06.11.2025
Eulachhallen Winterthur
Startup Nights 2025

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Publications

Publikationen | 22 May 2025
Key Swiss Tax Practice Update: Welcome Adjustment of Rules on the Taxation of Convertible Loans
by Fabienne Limacher and Maurus Winzap
PDF: 234 KB
Publikationen | 13 May 2025
Venture Capital 2025 - Chapter Switzerland
by Marion Bähler, Ramona Wyss, Florian Gunz Niedermann, Fabienne Limacher and Urs Hofer
PDF: 1280 KB
Publikationen | 2024
The shareholders' right to convene a meeting
by Tizian Troxler
Publikationen | 16 October 2024
Financing of Start-up and Early-Stage Companies with Convertible Loans Swiss Tax Considerations
by Maurus Winzap and Fabienne Limacher
PDF: 601 KB
Publikationen | 22 April 2024
Venture Capital 2024 - Chapter Switzerland
by Marion Bähler, Ramona Wyss, Florian Gunz Niedermann, Fabienne Limacher, Alex Nikitine and Urs Hofer
PDF: 976 KB
Publikationen | 19 June 2023
Switzerland’s new corporate law – what startups and investors need to know
by Marion Bähler
PDF: 52 KB
Publikationen | 23 December 2022
Article 725 et seq. CO: (Il-)Liquidity, Capital Loss and Over-Indebtedness – New Duties for Swiss Boards
by Alex Nikitine and Jenny von Arx
PDF: 319 KB
Publikationen | 16 December 2022
Tax-optimised employee share plans for privately held Swiss companies and start-ups
by Maurus Winzap and Fabienne Limacher
PDF: 222 KB
Publikationen | 27 April 2021
Crowdfunding in Switzerland - A critical assessment of the regulatory framework
by Tizian Troxler
Publikationen | 2 November 2020
Tax relief on employee shares in start-ups and other non-listed companies
by Fabienne Limacher and Maurus Winzap
PDF: 349 KB

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Our Offerings

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Client Feedback

Walder Wyss helped us end to end from term sheet to closing a Series A round swiftly. They’ve provided efficient and responsive support and were able to make the process appear seamless.

Christoph Jenny, Co-Founder
Our collaboration with Walder Wyss has been crucial in driving GetYourGuide's growth from its inception to a global leader.

Johannes Reck, CEO and co-founder

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Our Team

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