Taxation

Our team advises in all areas of national and international tax law. We address specific needs in order to develop the best possible solutions and implement them efficiently. Where necessary, interdisciplinary collaboration with other departments is guaranteed.

Our expertise includes the following areas:

  • Advising legal entities, in particular in connection with the siting of businesses, start-ups, structural changes or reorganization, corporate acquisitions and sale of companies, transfer pricing and restructuring
  • Advice to natural persons, in particular when moving to Switzerland, on works of art, gift and inheritance taxes and succession planning
  • Advice on value added tax
  • Advice in the capital market sector (loan financing, initial coin offering/token generating event)
  • Tax advice on real estate transactions
  • Advice to athletes and artists
  • Advice on social security law for cross-border activities
  • Conducting appeal proceedings before all instances
  • Support in administrative and judicial assistance proceedings
  • Compliance work
  • Support and coordination with foreign tax consultants
Bächli Bruno

Bruno
Bächli

Partner

Bodemann Clara

Clara
Bodemann

Partner

Bühlmann Jonas

Jonas
Bühlmann

Partner

Eggler Patric

Patric
Eggler

Partner

Bürgy Dominik

Dominik
Bürgy

Of Counsel

Landolf Urs

Urs
Landolf

Of Counsel

Debora
Gabriel

Counsel

Blattmann Jill

Jill
Blattmann

Senior Associate

Doswald Joël

Joël
Doswald

Senior Associate

Heinz Amanda

Amanda
Heinz

Senior Associate

Egli Désirée

Désirée
Egli

Associate

Winterhalter Nils

Nils
Winterhalter

Associate

Bachmann Celina

Celina
Bachmann

Intern

Blum Patricia

Patricia
Blum

Intern

Gabathuler Andri

Andri
Gabathuler

Intern

26.01.2026

Deal: Wenger Vieli advised the shareholders of Windsor on the strategic investment of team.blue in Windsor.ai

16.01.2026

Deal: Wenger Vieli advised the shareholders of TOFWERK on its sale to Bruker

09.01.2026

Deal: Wenger Vieli advised HOERBIGER on the acquisition of Physik Instrumente (PI)

08.12.2025

Deal: Wenger Vieli advised the shareholders of Investment Navigator on their sale to aosphere

05.12.2025

Deal: Wenger Vieli advised Xeltis on its nearly EUR 50m financing round

18.11.2025

Deal: Wenger Vieli Real Estate advised the sellers on the sale of their real estate portfolio

04.11.2025

Deal: Wenger Vieli advised DeepJudge on its oversubscribed USD 41.2m Series A financing round

24.10.2025

Deal: Wenger Vieli advised QUMEA on GRO’s strategic investment

01.10.2025

Deal: Wenger Vieli advised the shareholders of Tripleblue on the sale to Aareon

30.09.2025

Deal: Wenger Vieli advised Corintis on its USD 24m Series A financing round

16.09.2025

Deal: Wenger Vieli advised the shareholder of SKS Rehab on its merger with Roltec and integration into Eqwal Group

29.08.2025

Deal: Wenger Vieli advised the shareholders on the sale of a leading Swiss insurance broker

07.07.2025

Deal: Wenger Vieli advised PostFinance on the sale of its 50% stake in Yuh to Swissquote

25.06.2025

Deal: Wenger Vieli advised the shareholders of Invariant Labs on its sale to Snyk

19.02.2025

Deal: Wenger Vieli advised RoomPriceGenie on its USD 75m investment from Five Elms Capital

10.12.2024

Deal: Wenger Vieli advised on the sale of the “Haus zum Nordlicht”

15.11.2024

Deal: Wenger Vieli advised Truffle Capital on Wyden’s USD 16.9m Series B funding round

20.03.2024

Deal: Wenger Vieli Advised Project A Ventures on the Seed Financing Round of Mindfuel

18.03.2024

Deal: Wenger Vieli advised Basellandschaftliche Kantonalbank on obtaining a licence as fund manage-ment company for its subsidiary

22.02.2024

Deal: Wenger Vieli Advised Quickmail and Quickpac on its Business Sale to Planzer

20.12.2023

Deal: Wenger Vieli advised the sellers of Swiss Dental Solutions Group on the sale of its majority stake shareholding

27.01.2023

Deal: Numarics acquires a&o kreston

16.12.2022

Deal: Wenger Vieli advised the shareholders of Cotta Collection AG on a partnership with L-GAM

07.11.2022

Wenger Vieli advises LatticeFlow on closing of its Series A financing round of USD 12m

28.09.2022

DEAL: Wenger Vieli advised the share­holders of MENU Technologies in a cross-border transaction

26.09.2022

Deal: Wenger Vieli advised CTsystems on its sale to Datwyler

14.06.2022

Deal: Wenger Vieli advised Serpentine Ventures on obtaining its FINMA license

07.06.2022

Deal: numarics closed its seed financing round of CHF 2.1 Mio

01.06.2022

Deal: Wenger Vieli advises TOFWERK on its strategic partnership with Bruker

04.05.2022

Deal: Wenger Vieli advises leading impact investing platform Inyova on its crowdinvesting campaign

30.03.2022

Deal: Vokus Personal is sold to Storskogen

21.03.2022

Deal: 1plusX is sold to TripleLift

10.03.2022

Deal: Acquisition of Artmyn by Invaluable

01.02.2022

Deal: Jakob Müller Holding AG sold TexTrace

12.01.2022

Deal: Creoptix joins Malvern Panalytical family

08.12.2021

Deal: Xeltis Raises €15M from the EIB

16.11.2021

Deal: Investment in Home Instead Group by Unigestion SA

05.10.2021

Deal: Sale of TestingTime Group to Norstat AS

28.09.2021

Deal: Frontify Raises USD 50M in Series C Funding Led by Revaia

21.09.2021

Deal: Merger of Bring! Labs AG with Profital

13.08.2021

Deal: Advisor to Atlas Antibodies

Publication / Guidelines

Deklaration von Krypto-Vermögen in der Steuererklärung

Taxation Bächli Bruno, Egli Désirée
10.02.2026
DE
Publication

Legal and Tax Aspects of ESOP - Cross-Jurisdictional Overview on Employee Participation Schemes

Corporate and Commercial Law, Labor and Employment Law, Taxation, Start-up Desk Bühlmann Jonas
18.12.2025
EN
Publication / Spotlights

New developments in the tax consequences of corporate restructuring

Taxation Eggler Patric, Bühlmann Jonas, Blattmann Jill
29.08.2025
DEEN
Publication / Spotlights

«Future Tax» - JUSO initiative for an estate and gift tax at federal level

Private Clients and Estate Planning, Taxation Bächli Bruno, Bracher Nicolas, Doswald Joël, Groth Lukas
10.07.2025
DEEN
Publication / Guidelines

Convertible Loan Agreements – Legal and Tax Insights to Get It Right from the Start

Corporate and Commercial Law, Venture Capital, Financing, Taxation, Compliance, Start-up Desk Baier Michael, Bühlmann Jonas, Eggler Patric
04.06.2025
EN
Publication

Grenzüberschreitende Homeoffice-Tätigkeiten, in: WEKA Newsletter 03, 2025

Labor and Employment Law, Taxation Bächli Bruno, Doswald Joël, Taxer Sabine
06.03.2025
DE
Insights

Understanding Switzerland's Sports Law: Gov­er­nance, Li­a­bil­i­ty, and Key Reg­u­lations

Corporate and Commercial Law, Labor and Employment Law, Taxation, Technology and Media
 Keller Claudia, Vangehr Kevin, Taxer Sabine, Eggler Patric
16.09.2024
Publication / Guidelines

US Estate and Gift Taxes

Private Clients and Estate Planning, Taxation Bächli Bruno, Doswald Joël
23.04.2024
DEEN
Insights

Navigating Football Transfers in Switzerland: More Than Just a Game

Corporate and Commercial Law, Labor and Employment Law, Taxation, Technology and Media
 Keller Claudia, Vangehr Kevin, Eggler Patric, Taxer Sabine
02.02.2024
Publication

Eigene Aktien und deren steuerliche Tücken (WEKA, Januar 2024)

Taxation Bühlmann Jonas
22.01.2024
DE
Publication / Guidelines

Expansion into the USA: Dos and Don’ts from a Tax Point of View

Private Clients and Estate Planning, Taxation Bächli Bruno, Doswald Joël
03.05.2023
DEEN
Publication / Guidelines

Disclosure obligations of the employer in the case of employee participations

Taxation, Compliance Bühlmann Jonas, Eggler Patric
01.05.2023
DEEN
Publication / Spotlights

Steuerliche Aspekte der Aktienrechtsrevision

Taxation Bühlmann Jonas, Eggler Patric
22.03.2023
DE
Publication

Steuerliche Implikationen einer Sanierung: So vermeiden Sie Steuerfallen (WEKA, Februar 2022)

Taxation Bühlmann Jonas
07.02.2022
DE
Publication / Spotlights

Neue Berechnung des Vermögenssteuerwertes für nicht kotierte Beteiligungen

Taxation Bächli Bruno, Bürgy Dominik, Eggler Patric
19.01.2022
DE
Insights

Private Clients: Taxation of Artwork Guide is now available

Taxation
 Bächli Bruno
11.11.2021
Publication

Zwangsaufwertung von wertberichtigten massgeblichen Beteiligungen gemäss Art. 62 Abs. 4 DBG – Alles ganz einfach?

Taxation Bürgy Dominik
25.08.2021
DE
Publication / Guidelines

How to do Business in Switzerland

Banks and Financial Service Providers, Corporate and Commercial Law, Labor and Employment Law, Construction and Real Estate, Financing, Taxation Hünerwadel Andreas, Bächli Bruno, Honold Pascal
01.07.2021
EN
Publication

Der Konzern im Schweizer Steuerrecht

Taxation
01.06.2021
DE
Publication / Checklist

12 tips for building a successful start-up

Corporate and Commercial Law, Venture Capital, Mergers and Acquisitions, Intellectual Property Law, Taxation Baier Michael, Eggler Patric, Mattmann Dominique
15.03.2021
EN
Publication

International Taxation of Real Estate Investments

Construction and Real Estate, Taxation
25.01.2021
EN
Publication

Nachlassplanung und Erbschaftssteuer

Private Clients and Estate Planning, Taxation Bächli Bruno
16.06.2020
DE
Publication / Spotlights

Eintragung von Familienstiftungen ins Handelsregister

Corporate and Commercial Law, Taxation Hünerwadel Andreas, Bächli Bruno, Bracher Nicolas
12.02.2020
DE
Publication / Spotlights

STAF referendum – Switzerland votes yes for an attractive business location

Taxation
11.06.2019
DEEN
Publication / Guidelines

How to Start a Company in Switzerland?

Corporate and Commercial Law, Notarial Services, Intellectual Property Law, Taxation Hünerwadel Andreas, Bächli Bruno, Müller Stefan
04.04.2019
DEEN
Publication

WTS Private Clients Newsletter: Tax benefits due to private investments in real estate

Taxation Bächli Bruno
27.02.2018
EN
Publication / Spotlights

Changes in the Swiss Value Added Tax Legislation

Taxation Bächli Bruno
22.11.2017
DEEN
Publication

International WTS Journal #2: Tax Control Framework

Published 2017. The objective of this report is to provide information and guidance regarding recent developments concerning tax control framework in important countries. Taxation
07.11.2017
EN
Publication

International WTS Journal #1: Panama Papers

Published 2017. This guide will put the spotlight on voluntary disclosure regimes in many countries under the new regime of the Automatic Exchange of Information in foreign countries and how the "Panama Papers" might accelerate this... Taxation Bächli Bruno
07.08.2017
EN
Publication

WTS: Assignments to Europe

Published 2017. This booklet offers you a brief overview of tax, Social Security and immigrationrelated matters you might consider for your assignments to and within Europe. Taxation
02.08.2017
EN
Publication / Spotlights

Do's and Don'ts bei Start-ups aus steuerlicher Sicht

Taxation Bächli Bruno
20.01.2017
DE
Publication

Dos and Don'ts bei Start-ups aus steuerlicher Sicht

Erschienen in CH-D Wirtschaft 3/2016 Venture Capital, Taxation Bächli Bruno
16.11.2016
DE
Publication

Die steuerlichen Tücken der Mitarbeiterbeteiligung

Erschienen in: DENARIS - The Swiss magazine of independent asset managers, Ausgabe 03/2016 Taxation
16.06.2016
DE
Publication / Spotlights

Automatic Exchange of Information (AEOI)

The Federal Law on the International Automatic Exchange of Information on Tax Matters (AEOI Law) came into force in Switzerland on 1 January 2017. As a result, information will be collected from persons obligated to report and exchanged... Taxation Bächli Bruno
18.04.2016
DEEN
Publication

Tax Considerations for M&A Transactions and Restructurings in Switzerland

Published in: Bulletin for International Taxation - Volume 69 - Number 4/5 - 2015 Taxation
20.05.2015
EN
Publication / Spotlights

Corporate Tax Reform – Results of the Consultation Process

Taxation Bächli Bruno
18.05.2015
DEEN
Publication

Steuerfreier Kapitalgewinn

Erschienen in: Der Schweizer Treuhänder, 5/2015 Taxation
11.05.2015
DE
Publication

Swiss CTR III: Interaction and alignment with BEPS

Published in: International Tax Review Magazine, March 2015 Taxation Bächli Bruno
23.03.2015
EN
Publication

Unternehmenssteuerreform III - Herausforderungen und Chancen für den Wirtschaftsstandort Schweiz

Erschienen in CH-D Wirtschaft  Dezember 2014 Taxation Bächli Bruno
09.12.2014
DE
Publication

Rechtliche und steuerliche Fallstricke bei M&A-Transaktionen

Erschienen in CH-D Wirtschaft September 2014 Mergers and Acquisitions, Taxation Honold Pascal
11.09.2014
DE
Publication

Steuerliche Aspekte bei Nachfolgeplanungen

Erschienen als Sonderbeilage der CH-D Wirtschaft Mai 2013 Taxation
30.05.2013
DE
Publication

SECA Yearbook 2013 Wesentliche Neuerungen und Entwicklungen im Schweizer Steuerrecht

SECA Yearbook 2013; Wesentliche Neuerungen und Entwicklungen im Schweizer Steuerrecht Taxation
15.03.2013
DE
Publication / Spotlights

Ausweis der Kapitaleinlagereserven im Jahresabschluss 2011

Corporate and Commercial Law, Taxation Bächli Bruno
22.12.2011
DE
Publication / Spotlights

Referendum for Reform of Inheritance Tax

Private Clients and Estate Planning, Taxation Bächli Bruno
12.10.2011
DEEN
Publication

Missbrauch im Doppelbesteuerungsabkommen

Erschienen in CH-D Wirtschaft Februar 2011 Taxation
12.04.2011
DE
Publication

SECA Yearbook 2011 Entwicklungen im Schweizer Steuerrecht

SECA Yearbook 2011 Entwicklungen im Schweizer Steuerrecht Taxation
01.03.2011
DE
Publication

Einführung des Kapitaleinlageprinzips auf den 1. Januar 2011

Übersicht über die neue Regulierung Mergers and Acquisitions, Taxation
27.01.2011
DE
Publication

Swiss Capital Contribution Principle

As per 1 January 2011 a new regulation in the Swiss tax law concerning the tax treatment of the repayment of capital contributions enters into force.CapLaw 6/2010 Mergers and Acquisitions, Taxation
26.01.2011
EN
Publication

Kapitaleinlageprinzip - Es besteht Handlungsbedarf (1. Teil)

Kapitaleinlageprinzip - Es besteht Handlungsbedarf Ausgewählte Fragestellungen zum Entwurf des Kreisschreibens (1. Teil) Mergers and Acquisitions, Taxation
21.12.2010
DE
Publication

Kapitaleinlageprinzip - Es besteht Handlungsbedarf (2. Teil)

Kapitaleinlageprinzip - Es besteht Handlungsbedarf Ausgewählte Fragestellungen zum Entwurf des Kreisschreibens (2. Teil) Mergers and Acquisitions, Taxation
19.10.2010
DE
Publication

Cash Pooling im Konzern aus Sicht des Zivil- und des Steuerrechts

Cash Pooling im Konzern aus Sicht des Zivil- und des Steuerrechts, erschienen in GesKR 2/2010 Financing, Taxation Hünerwadel Andreas
22.06.2010
DE
Publication

SECA Yearbook 2010 Entwicklungen im Schweizer Steuerrecht

SECA Yearbook 2010 Entwicklungen im Schweizer Steuerrecht Taxation
12.05.2010
DE
Publication

Bewegung in der Steuerlandschaft

Bewegung in der Steuerlandschaft, Vorabendveranstaltung vom 24. März 2010 zu den Themen Spannungsfelder Steuerpolitik, Steuerstrafrecht als Chance, Entwicklungen im internationalen Steuerrecht der Schweiz - ein Überblick, Wesentliche Neuerungen im... Taxation Walti Beat
01.04.2010
DE
The Legal 500Leaders LeagueWorld Tax

Wenger Vieli provided invaluable assistance. Their expertise in tax compliance was instrumental in identifying and implementing the necessary precautions.

Client Testimonial, The Legal 500, 2025/2026

The team’s efficiency, proactive communication, and seamless resolution of Swiss and US regulatory challenges were exceptional.

Client Testimonial, The Legal 500, 2025/2026

As well as their technical skills, I really appreciate their ability to understand the practical aspects of our requests.

Client Testimonial, The Legal 500, 2025/2026

Solution-oriented and efficient.

Client Testimonial, The Legal 500, 2025/2026

Overall, it is the people we work with in this law firm who make the difference. Their outstanding qualities, their professionalism and their willingness to stand up for our interests have a considerable influence on our satisfaction and the trust we place in them.

Client Testimonial, The Legal 500, 2024/2025

The firm has a very good understanding and extensive experience in their respective specialisms. The team always endeavours to understand our individual needs and objectives and is proactive in addressing our specific concerns.

Client Testimonial, The Legal 500, 2024/2025

Wenger Vieli has a highly competent tax department headed up by Bruno Bächli. We work regularly with him and his team, who are always available to give operational advice in a short time.

Client Testimonial, The Legal 500, 2023/2024

The team is very fast and clear in its communication. Always accessible and uncomplicated. I see this as a big plus compared to other law firms. Their analyses and recommendations are clear and implementable.

Client Testimonial, The Legal 500, 2023/2024