Olivier Weniger
About Olivier Weniger
Olivier Weniger is a lawyer based in Lausanne, CH and has been recognized in The Best Lawyers in Switzerland™ since 2022. Olivier Weniger is recognized in the following practice area:
- Lausanne, Switzerland
- Tax Law
Current Firm: Bourgeois Avocats
Location: Lausanne, CH
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Marina Castelli-Joos is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Marina, who practices law in Lausanne, Switzerland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marina is held by other top lawyers in the same geographic and legal practice area.
“My passion for the law and for my clients’ cases is what give me the focus I need to fiercely and fearlessly advocate for them.” Since 1995, Marc has gathered a comprehensive expertise in commercial and financial litigation, both civil and criminal, and is recognized as one of Switzerland’s leading specialists in financial criminal law, money laundering, fraud, corruption and criminal organizations. His extensive experience includes international legal assistance in c...
As Chief Executive Officer, Christian Lyk is responsible for the operational management of KENDRIS and also holds the position of Responsible Officer FATCA. He has extensive experience in regulatory and compliance matters and specialises in providing cross-border financial, tax, estate planning and family office services to ultra-high net worth individuals (UHNWIs). Christian Lyk began his career in a law firm before joining one of the Big 4 where he held a managerial position in the field of...
Partner Stephan Werlen focuses on M&A and corporate law, joint ventures, MBOs, acquisition finance, venture capital transactions, corporate restructuring and corporate relocation. He has broad experience both in domestic and international mergers and acquisitions (including auction processes) and the financing of such transactions. In addition, he is an expert in W&I insurance transactions (M&A insurance) with a long track record in this area. Stephan Werlen also regularly advises...
Serge Fasel is a Partner with FBT and head of its Litigation and Arbitration group. He has extensive experience both in Swiss and international court litigation and arbitration. His fields of activities cover all forms of commercial disputes, particularly in the financial sector.Serge Fasel is also active in the areas of insolvency law, employment law and economic crime. He has a vast knowledge of the Swiss judicial environment. He is recommended by Legal500 for his expertise in dispute resol...
Frédérique Bensahel is considered as a leading lawyer in the banking and financial sector in Switzerland. As Partner at FBT and head of its Banking and Finance group, Frédérique Bensahel advises Swiss and foreign financial institutions, in particular banks, asset managers, brokers, dealers as well as investment funds and fund managers on all regulatory and contractual issues. Frédérique Bensahel’s practice covers, in particular, fund and structu...
Véronique Perroud, active at the bar for more than 15 years, benefits from sound, extensive experience in the field of labour law based on intensive legal practice. She advises and defends the interests of both employees and employers in complex cases. Wishing to be capable of offering her clients a global approach, Véronique Perroud was trained in mediation and obtained a CAS in company mediation in 2014 as well as a general mediation certificate in 2015. FSA specialist in labo...
Thomas Goossens is an expert in the fields of banking and financial law, investment funds and corporate law. He regularly advises banks, securities dealers, financial institutions and trading companies, and assists promoters, asset managers of Swiss and foreign investment funds on regulatory matters. He also advises start-ups, entrepreneurs, investors, buyers, sellers and financial sponsors in all kinds of corporate finance deals, mergers and acquisitions, private equity, refinancing and proj...
Counsel Simone Brauchbar Birkhäuser advises and represents clients in connection with contentious and non-contentious issues relating to trademarks, designs, copyrights, patents, data protection, unfair competition and advertisement. She has substantial experience in the drafting and enforcement of contracts for the transfer of intellectual property rights, especially license agreements. She further regularly deals with all due diligence relevant IP/IT and data protection aspects of corp...
Nicolas Béguin is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Nicolas, who practices law in Geneva, Switzerland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolas is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
What Disqualifies You From Filing Bankruptcies
by Bryan Driscoll
A guide to navigating eligibility, the means test and the legal hurdles of declaring bankruptcy.
What Happens if You Don't File Taxes
by Bryan Driscoll
The penalties are real, but so are your options. Here's what the IRS can do and what you can do about it.