Europe Guide 2026 : Switzerland
Ranked Individuals
Provided by id est avocats sarl
The department handles mergers and acquisitions, venture capital, and private equity transactions, with a particular focus on technology-driven and innovation-led mandates. It provides legal support from early-stage growth through to exit events for fast-growing enterprises in advanced technology (including AI), life sciences, and financial services, and acts for associated founders, shareholders, investors, and executives. It also acts in strategic M&A transactions and business transfers for both innovative industries and more traditional sectors.
The department acts for prominent venture capital and private equity funds, large corporations, and SMEs. The client roster spans institutional investors, European innovation bodies, scale-ups, and founder-led businesses. Recent clients include major investment funds such as the European Innovation Council Fund (EIC Fund) as well as major international corporations, SMEs, seasoned entrepreneurs, and innovative Swiss start-ups and scale-ups. The department also acts for impact funds and mission-driven companies.
Lawyers in the department bring substantial experience from leading commercial law firms, merging high-level transactional capability with recognised expertise. The department is distinguished by three characteristics that set it apart from generalist practices: Technology-focused transactions, Impact and sustainability integration, Boutique model with full-transaction capability.
Provided by Chambers
id est avocats is a Lausanne-based law firm that attracts praise for its strength in venture capital mandates, advising clients on financing rounds and equity investments. The team is additionally well equipped to assist clients with acquisitions, divestments, joint ventures and corporate restructuring matters. Its advice is sought after by companies operating notably in the technology and life sciences industries.
Provided by Chambers
id est avocats advised Lymphatica Medtech on the closing of its Series B equity financing round.
Provided by Chambers
id est avocats is a very proactive and solution-oriented law firm. Their pragmatic and constructive approach enables quick progress with business partners.
id est avocats' service is phenomenal. The team has been more than diligent in handling our urgent requests.
Their ability to manage multiple stakeholders while maintaining legal precision and a pragmatic approach was instrumental in resolving the issue efficiently and in the best interest of the company.
The department stands out for its close, client-focused approach and exceptional availability. They understand the fast-paced nature and tight deadlines typical of companies like ours.
The lawyers are responsive and always available, helping to strategise around tactics.
Provided by Chambers
Lausanne-based Michel Jaccard is renowned for his experience in assisting startups and private equity firms with acquisitions, investments and restructuring mandates.
Michel Jaccard supports deals with his long-lasting experience and network.
Michel is a very strong senior lawyer who is also a sparring partner. He is at ease in drafting documents as well as strategising.
Michel Jaccard has brought value to the company since day one.
An acquisition can be quite stressful for companies, and Michel is very calm and always there to help to ease the process.
Marina Castelli-Joos is a well-respected lawyer with strong expertise in M&A, venture capital investments and private equity transactions. She is trusted by a range of investment funds and startups.
Marina Castelli-Joos is quick at reacting to questions and coming up with answers at meetings, as well as being aware of the market we are in.
What distinguishes Marina is not only her strong legal expertise but also her remarkable interpersonal skills and emotional intelligence.
I would clearly recommend Marina Castelli-Joos.
I am very pleased with the collaboration with Marina. She is very proactive and understands her clients well.
Her combination of legal acumen, reliability and human approach makes her an invaluable partner and a true pleasure to work with.
Corporate/M&A
Corporate/M&A
Provided by id est avocats sarl
Marina Castelli-Joos
Michel Jaccard
View profile of Michel JaccardMarina Castelli-Joos
View profile of Marina Castelli-Joos
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