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Global Leader

Private Client

Professional Biography

WWL Ranking: Recommended

WWL says

Olivier Sigg is admired for his “excellent knowledge and professionalism” by sources who applaud his work advising private clients on estate planning, asset protection and relocation matters. 

Biography

Olivier’s private client practice includes various estate-planning techniques. In particular, as a TEP expert, he specialises in trusts, foundations, last wills and testaments. He provides advice to international high net worth individuals on estate planning, asset protection, relocation and philanthropy (in particular, advice to international charities). His private client practice involves international succession litigation and trust disputes. He is regularly instructed by foreign lawyers, in particular from common law jurisdictions. His work experience also includes a secondment in the international private wealth group of a prominent London law firm.

Olivier is ranked as a leading private client lawyer by Chambers GlobalChambers Europe and Who’s Who Legal. He was the only Swiss lawyer ranked in Private Client Practitioner’s 2010 "Top 35 under 35" survey.

Olivier is a member of the International Bar Association (IBA) and the Society of Trust and Estate Practitioners (STEP) as well as a committee member and the student liaison officer of STEP Geneva. He holds a law degree from the universities of Geneva and was admitted to the Bar in 2005.

With around 220 legal experts, Walder Wyss is one of the most successful and fastest growing Swiss commercial law firms, with offices in Zurich, Geneva, Basel, Berne, Lausanne and Lugano. They specialise in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Their clients include national and international companies, publicly held corporations and family businesses as well as public law institutions and private clients.

National Leader

Switzerland - Private Client 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Olivier Sigg is a go-to lawyer for international high-net-worth individuals seeking assistance with estate-planning matters including testaments, trusts and foundations.

Biography

Olivier’s private client practice includes various estate-planning techniques. In particular, as a TEP expert, he specialises in trusts, foundations, last wills and testaments. He provides advice to international high net worth individuals on estate planning, asset protection, relocation and philanthropy (in particular, advice to international charities). His private client practice involves international succession litigation and trust disputes. He is regularly instructed by foreign lawyers, in particular from common law jurisdictions. His work experience also includes a secondment in the international private wealth group of a prominent London law firm.

Olivier is ranked as a leading private client lawyer by Chambers GlobalChambers Europe and Who’s Who Legal. He was the only Swiss lawyer ranked in Private Client Practitioner’s 2010 "Top 35 under 35" survey.

Olivier is a member of the International Bar Association (IBA) and the Society of Trust and Estate Practitioners (STEP) as well as a committee member and the student liaison officer of STEP Geneva. He holds a law degree from the universities of Geneva and was admitted to the Bar in 2005.

With around 220 legal experts, Walder Wyss is one of the most successful and fastest growing Swiss commercial law firms, with offices in Zurich, Geneva, Basel, Berne, Lausanne and Lugano. The firm specialises in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Clients include national and international companies, publicly held corporations and family businesses as well as public law institutions and private clients.

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