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Lenz & Staehelin

Work +41 58 450 70 00
Fax +41 58 450 70 01
Geneva, Lausanne, Zurich

Jean-Blaise Eckert

Work +41 58 450 70 00
Lenz & Staehelin

Work Department

Tax, Private Clients, Succession Law, Commercial and Contracts, Investigations.


Jean-Blaise Eckert is considered as a leading lawyer in tax and private client matters in Switzerland. He is the co-head of the Tax group of Lenz & Staehelin. He advises a number of multinational groups of companies as well as HNWIs. He sits on the board of a number of public and private companies. Jean-Blaise Eckert is a frequent speaker at professional conferences on tax matters. He is General Secretary of the International Fiscal Association (IFA).


Admission to Neuchâtel Bar (1989), Associate at Lenz & Staehelin (1991), Partner at Lenz & Staehelin (1999).


French, English, German.


Secretary General of the International Fiscal Association (IFA).



University of Neuchâtel (lic. iur. 1987), Berkeley University (MBA 1991), Certified Tax Expert (1994), Certified Specialist SBA Inheritance Law (2016).


Leading firms: French-speaking Switzerland

Within: Leading firms: French-speaking Switzerland

Lenz & Staehelin in Geneva and Lausanne is one of the market leaders in banking, capital markets, corporate, private client and tax law. Key lawyers include Shelby du Pasquier, Olivier Stahler, François Rayroux, Lucien Masmejan, Andreas Rötheli and Jean-Blaise Eckert. Benoît Merkt is recommended for his competition law expertise.

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Private client

Within: Private client

The ‘outstandingLenz & Staehelindistinguishes itself from other firms in providing specialist advice on succession law, taxation, family governance and cross-border estate planning through a dedicated, multijurisdictional team’. The ‘holistic’ practice is also recommended for its ‘stable relationship with preeminent Swiss financial institutions’ and focuses particularly on regulatory issues, dispute resolution as well as relocation and inheritance matters. Recent highlights include advising Schroder Trust and Schroder Cayman Bank & Trust Company on the transfer of trust portfolios of two bank-owned trust companies. ‘Superb litigator’ and head of the Lausanne and Geneva team Lucien Masmejancuts through all issues and finds a novel strategic solution’, while ‘inspiring great confidence among clients and colleagues’. His counterpart in Zurich, Heini Rüdisühliis recognised as a leading expert on personal taxation and complex cross-border issues’. Also recommended are Mark Barmes, who ‘gives clients the best possible advice’ and is ‘deeply experienced in working with trust companies’, Stefan Breitenstein, Shelby du Pasquier and tax experts Jean-Blaise Eckert and Frédéric Neukomm.

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Within: Leading individuals

Jean-Blaise Eckert - Lenz & Staehelin

Within: Tax

Lenz & Staehelin focuses on corporate and private tax planning, authority negotiations and contentious tax issues, but also advises on tax aspects of capital markets and employment matters. The team advised Groupe E on taxation issues related to BKW’s sale of 10% Groupe-E shares back to the client. Wal-Mart, Credit Suisse, Deutsche Börse and Monsanto are also active clients. Jean-Blaise Eckert and Pascal Hinny lead the teams in Geneva and Zurich, respectively.

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IHL Briefings

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Switzerland: Tax

September 2018. By Jean-Blaise Eckert, Partner

This country-specific Q&A provides an overview to tax laws and regulations that may occur in Switzerland . It will cover witholding tax, transfer pricing, the OECD model, GAAR, tax disputes and an overview of the jurisdictional regulatory authorities. This Q&A is part of the global guide to Tax. [Continue Reading]

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Legal Developments in Switzerland

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