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ADB Altorfer Duss & Beilstein is recommended for its focus on tax advisory services. The tax team advises firms in various sectors such as FMCG, mining, technology, sports, and energy. Moreover, the team has extensive experience advising banks, asset managers, and family offices. Services cover all tax areas, including dispute resolution, VAT, and structuring. M&A specialist Pascal Taddei, indirect director Britta Rehfisch, and controversy practitioner Andreas Helbing are key contacts. Partner Jürg Altorfer is the incumbent transfer pricing specialist.
The firm coordinated a litigation case on a tax neutrality ruling on share allocation income and devised a cross-border structure for an MNE. Transfer pricing compliance and benchmarking also featured during the research cycle.
Tax specialist Alex Uschatz joined the firm from the University of Lucerne in May 2024 and outbound VAT practitioner Olivia Schwarz departed to Cevi Schweiz in September 2024.
Client feedback
"Street-smart and pragmatic.’’
‘’Able to do crisp analysis and come up with relevant recommendations and actions in a swift and cost-effective manner"
Baker McKenzie is an international law firm with a full-service presence in the Swiss market. It is reputed for its cross-border transactional services. Multi-jurisdictional expertise enables the practice to provide supply-chain reorganisations and post-acquisition integration. Wealth planning, controversy, and ICOs are complementary services for the cryptocurrency sector, alongside capital market, and pharmaceutical focus. Partner Kilian Perroulaz leads the Zurich office. Co-head Hans Koch and counsel Andrea Bolliger are notable practitioners.
The firm represented a technology multinational in a tax inquiry pertaining to corporate income and dividend withholding tax exposure. It also advised PSP Swiss Property on the conversion of its CHF 1.8 billion bond portfolio to green bonds.
Client feedback
“Baker McKenzie (Zurich office) are the leading firm for real estate transactions and tax (notably RE development projects). No other Tier 1 firm comes close to their expertise in deal structuring and tax planning for RE.”
“Can do attitude, but technical based - different to some other advisors who rather rely on the relation between client and tax administration.”
“Understand our business and the legal/tax framework very well. Proactive and to the point.”
Burckhardt is a decorated tax law firm with a practitioner roster of market leading experts and notaries. The tax function excels in cross-border restructuring and M&A transactions. Tax planning and voluntary disclosure proceedings are firm attributes. The head of tax is partner Rolf Wüthrich who is reputed for tax structuring. Attorney Bastian Thurneysen works alongside fellow attorney Peter von Burg who is a private client tax specialist.
Bär & Karrer is an esteemed tax practice with a cross-border orientation. Its team is renowned for exceptional transactional, M&A, and capital market capabilities. Tax litigation, transfer pricing, VAT, and pensions are complementary focus areas. Co-heads Susanne Schreiber and Daniel Bader lead the practice from the Zurich office. Transactions specialist Ruth Bloch-Riemer and structuring expert Daniel U. Lehmann are fellow practitioners.
The firm advised a Swiss subsidiary in litigation against the tax authorities for a logistics company. It also provided structuring for a European investment fund.
Homburger is a coveted international law firm with a pedigree in cross-border transactions, VAT, tax compliance, and disputes. Capital markets, blue-chip companies, and HNWI families are recurrent clients. Tax advisory service lines work collaboratively with financing teams to deliver holistic advice. Leading practitioners include Stefan Oesterhelt, Reto Heuberger, Claudia Suter, and Dieter Grünblatt.
The firm advised a UHNWI entrepreneur as international lead counsel on wealth and succession planning. It also advised on company reorganisation and succession planning in a cross-border context. Transfer pricing engagements included benchmarking, intragroup transactions, and litigation.
Client feedback
“One of the best in the market.”
Lenz & Staehelin is a full-service law firm that is highly recommended for its tax practise. It covers all areas of taxation, such as tax planning, indirect tax, tax disputes, and litigation. It is a stand-alone practice and acts as support for other departments within the firm. Its senior team encompasses Geneva practice lead Jean-Blaise Eckert, restructuring specialist Pascal Hinny, and indirect partner Daniel Schafer. Deputy managing partner of the Zurich office is partner Heini Rüdisühli who oversees the private clients’ function.
The firm acted for dss+ on a USD 500 m transaction with post-closing reorganisation involving Swiss equity. It also acted for a multinational in cantonal tax litigation on depreciating expense dispensation.
Senior associate Lena-Marie Clodong arrived from Schellenberg Wittmer on May 1st, 2024. Fellow senior associate Victoria Kinson joined the tax function from KPMG on March 1st, 2025.
Client feedback
‘’Very responsive and technical acuteness of the answers provided.’’
‘’Some of the best tax advisers currently available in Switzerland.’’
Loyens & Loeff is recommended for its tax legal services, provided by a team of lawyers and tax advisers. The firm has offices in Brussels, Zurich and Luxembourg, with representatives across America, East Asia, and Europe. The team focuses on international tax, transactions, private client, real estate, and transfer pricing. Key contacts are partners Beat Baumgartner and transfer pricing specialist Fabian Sutter.
The firm advised Liberty Global group on a high-profile spin-off transaction and obtained cantonal tax rulings to active operational efficiency. It also assisted an energy provider in a joint venture that culminated in an IPO. Egeria Group received tax guidance on an optimal shareholding structure.
Partner Dominique Meili joined the firm from PwC Switzerland in January 2025.
Client feedback
"Loyens & Loeff is extremely responsive, a pleasure to work with, and most of all, they are gold-star experts in the area of Lux, Dutch and Swiss tax. I have utter confidence in the advice they provide and their ability to provide accurate, practical recommendations to clients. They are very well-connected and have good insights as to how to interact with the tax authorities (both at the national and subnational levels), whether in the ruling process or in a tax controversy setting.’’
They communicate very well in both written form and on calls, and I have no reservations about putting them in front of clients and trust them to handle the thorniest of tax issues in a methodical, logical way. They explain tax concepts in a way that is extremely knowledge with digestible recommendations.
This clear communication is essential in the world of tax planning, where my job is not only to help clients understand the non-US tax consequences of transactions, but also to help solve problems and enable clients to accomplish their business goals in a tax-efficient manner."
Ludwig + Partner is specialised in international corporate tax advice and restructuring. The boutique law firm is a stellar choice for mid-cap clients in Switzerland and Western Europe. Key practitioners are international planning experts Hubertus Ludwig and fellow partner Thomas Ziegler. Fellow tax practitioner Beatrice Van der Haegen is a Basel based real estate specialist. Attorney Daniel Dillier is a cross-border and shipping expert in the partnership.
The firm provided due diligence, the share purchase agreements and restructuring for Bethesda Health and the Age Care Group. It also assisted the Ophardt Hygiene Group in succession planning and cross-border restructuring.
Partner Jarkko Schäublin was hired from a Fiduciary company in January 2025.
Client feedback
‘’Very professional, very responsive, access to a large network of experts.’’
‘’Very strong technical skills and good understanding of our business’’.
Schellenberg Wittmer is a highly versatile firm. It is recognised for advising on complex tax cases and providing innovative solutions. The team focuses on assisting in corporate tax, M&A, banking and finance, real estate, and litigation cases for private clients, NGOs, and corporations. The practice offers full tax services. The team is comprised of head of tax Michael Nordin and counsel Pietro Sansonetti. Fellow partner and head of the Geneva office, Jean-Frédéric Maraia works with counsel Danielle Hostettler.
The firm acted as lead counsel for BNP Paribas on the placement of tax efficient bond issuance consisting of notes valued at CHF 245m. It also assisted a prominent Swiss Bank in tax planning on the reconciliation between Swiss tax rules and OECD Pillar II cost liability mitigation.
Partner Laïla Rochat joined the practice from EY on March 1st, 2025, and practitioner Roland Wild was promoted from senior associate to partner on January 1st, 2024.
Client feedback
‘’Very reactive and business friendly, good description of the environment and tailored advice regarding our needs. Follow up all along the process. Timely responses and providing relevant case law and cases to compare’’.
Tax Expert International is a revered advisory services provider with an assortment of certified practitioners based in Zurich. The function offers a suite of tax planning services which includes tax-free mergers, spin-offs, restructuring, reorganizations, acquisitions and liquidations. Employee stock option ownership, executive remuneration and succession planning are complementary attributes. Differentiated clients include MNEs, UHNWIs and entrepreneurs. Managing partner Richard J. Wuermli oversees the tax practice.
Client feedback
‘’The firm is very experienced in private client matters.’’
Tax Partner is a leading tax boutique focusing on Swiss and international tax law. Clients range from MNEs to family offices, private individuals, and banks. Its practice encompasses compliance, structuring, indirect tax, individual taxation, and dispute resolution. Counsel and tax litigator is René Matteotti, alongside real estate lead Stephan Pfenninger. Partner Alberto Lissi is a transactions specialist, and Laurent Lattmann is the indirect supervisor. Partner Monika Bieri is entrusted with transfer pricing and Peter Vogt coordinates the private client’s department.
The firm advised a financial institution on the purchase acquisition of a fintech stake inclusive of entity reorganisation. It also achieved a tax neutrality ruling on a transaction structuring mandate. A VAT audit was secured for a commodities trader which achieved VAT cash flow advantages for the client. Cross-border transfer pricing reorganisations also successfully mitigated withholding and exit tax risk.
Counsel Hendrik Blankenstein retired from the transfer pricing practice on January 1st, 2025.
Client feedback
‘’Tax Partner AG responds quickly and reliably to our enquiries, deals with them in detail and shows the possible solutions in good quality’’.
‘’Very well experienced tax advisor with in-depth industry knowledge.’’
Wenger Plattner has expertise in corporate taxation. Corporate restructurings, real estate transactions, employee share plans and M&A are specialities. Customised tax planning and advice are provided by head of tax, Markus Mühlemann. Fellow partner Oliver Künzler oversees the corporate M&A group. Senior associate Christian Martin Gutekunst is a notable contact.
The firm assisted the VirtusLab Group on transfer pricing and subsidiary structuring in compliance with federal and cantonal tax obligations. It also completed due diligence and an asset purchase agreement for a hospitality client. Employee incentive planning and real estate planning also featured prominently.
Client feedback
‘’Their responsiveness, attention to detail, and ability to tailor solutions to the client’s specific situation really stand out’’.
Wenger & Vieli is an established law firm advising private individuals and multinational companies on various tax legal, compliance and advisory work. The team specialises in complex cross-border transactions for start-up companies and HNWIs. The firm has dedicated tax partners leading the team. Partner Patric Eggler is the assigned head of department with M&A distinction. Succession planning practitioner Dominik Bürgy and indirect partner Clara Bodemann are key contacts.
The firm advised NLS Pharmaceutics AG on on its reverse triangular merger with Kadimastem and its financial restructuring. It also assisted CAOS in the implementation of a shareholder structure.
Senior associate Amanda Heinz joined the firm from EY in May 2025. Outbound senior associate David Brusa departed to Alvarez & Marsal in May 2025 and partner Barbara Brauchli Rohrer retired in June 2026.
Client feedback
‘’Very responsive, high quality.’’
‘’Combines deep technical knowledge with a practical approach to cross-border tax matters. They are particularly strong in navigating complex regulations, offering clear and actionable advice’’.
ADB Altorfer Duss & Beilstein is one of the leading tax law firms in Switzerland. Founded in 1954, we offer national and international clients comprehensive consultancy focusing on Swiss and international tax law.
From high net worth individuals to institutional investors. From the SME to the listed company. From incorporation through to succession planning. From the concept through to implementation and its reproduction in tax returns and tax assessments. We provide personal and individually tailored advice in relation to all aspects of life and business decisions with tax implications.
Our services are based on decades of professional experience and are characterised by recognised specialist expertise. With our avocational engagements as lecturers, specialist authors and judges we each provide our own additional contribution to the development of tax law.
Our strength lies in the interdisciplinary approach to tax law in our team of lawyers and economists. Our experienced team of tax experts carefully attends to your interests in all tax matters.
- Tax structuring (domestic and cross-border)
- Mergers and acquisitions/tax due diligence
- Group financing and capital markets
- Collective investment schemes
- VAT advice and compliance, incl. customs
- Transfer Pricing
- Tax effective supply chain management
- Individual tax/global mobility
- Succession planning
- Tax litigation and penal tax law
- Tax compliance
- Social security (domestic and cross-border)
- Corporate, commercial and contract law
We serve Swiss and foreign clients related to Swiss and international tax and social security questions. In addition, we provide services in selected areas of Swiss business law (corporation law, commercial law, labor law, immigration law, inheritance law).
We accompany entrepreneurs and companies in all tax matters in the national and international environment. We already have the civil law implementation in mind during the planning phase.
As certified tax experts, we are practitioners with a quality certificate. A special guarantee for quality in tax consulting is experience. We have a great deal of that.
We advise clients on a variety of business law issues at all levels (planning and implementation). Since we are lawyers and tax experts, we have both legal and fiscal aspects in mind. We are used to thinking not only as lawyers, but also as entrepreneurs.
We advise clients in all aspects of private and public binding law, from planning through project development, construction, acquisition, financing and operation, to the sale of real estate.
Our clients have an experienced notary for comprehensive services. As a result of the approval in the cantons of Basel-Stadt and Basel-Landschaft, we can handle all land register transactions in these cantons.
Schellenberg Wittmer is a leading full-service Swiss business law firm with more than 150 lawyers in Zurich, Geneva, and Singapore. We provide comprehensive legal services worldwide to domestic and international companies and entrepreneurs. Our Singapore office provides a gateway to the Asian market, for both inbound and outbound investments.
The firm's Taxation Group is renowned for their expertise in tax and economic matters. Most team members are Certified Tax Experts and cover the full range of advisory and contentious tax-related issues. We have extensive experience with both cantonal and federal authorities and regularly obtain advance clearances and rulings for corporations, individuals, governments and NGOs. We are experts in double taxation and mutual assistance agreements, real estate transactions, trusts, NGOs, VAT, real estate and enforcement procedures. Our team works closely with the Private Wealth Group advising and representing individuals, families and closely-held family businesses, banks, family offices and trust companies in estate and inheritance planning, and in disputes, including litigation and arbitration.
TAX EXPERT International AG is an unique and highly recognized practice. Our Certified Tax Experts focus on national and international taxation affecting both business entities and individuals.
We offer a comprehensive range of tax planning services that encompass tax-free mergers, spin-offs, restructuring, reorganizations, acquisitions, business formations, liquidations and - more importantly - Independent tax reviews or opinions.
In addition, to full-range corporate tax counseling, TAX EXPERT International AG has extensive experience that covers the full spectrum from all aspects of individual taxation including executive incentive compensation and employee stock ownership arrangements to inheritance, gifts, estates and real estate.
Whether it is advice on the implementation of complex national or transnational tax minimization strategies, or support in compliance matters, we help MNEs, stock-quoted companies, corporations, joint ventures, entrepreneurs, partnerships, high-net-worth individuals, expatriates and inpatriates to respond effectively, managing their exposure to tax liability and complying with regulations.
With us you have chosen "A Partnership for Success".
Wenger Vieli advises companies and individual clients on matters of domestic and international law and taxation. Our wealth of experience and expertise in all areas of commercial law allow us to deliver precisely what our clients need.
We are a member of Meritas, one of the largest international associations of independent law firms, and collaborate with WTS Global.
Although our offices in Zurich and Zug are deeply rooted in the heart of Europe, we operate internationally. Whether we are working with companies or individual clients in Switzerland or overseas, our team always speaks the right language.
Loyens & Loeff is an internationally based independent full-service law & tax firm having a 100-year track record of international (corporate) tax advisory services with top (international) tax specialists and corporate lawyers, regulatory lawyers and civil-law notaries.
Our tax experts have extensive experience in international taxation in a broad sense, which is more extensive than just the taxation in our four home markets (including EU and OECD tax rules). We translate the developments into our impact on clients' business and are focused on identifying tailor-made solutions. Our international relations with other acknowledged, independent tax advice and law firms provide for fast and efficient access to high-quality tax or legal advice in countries where we have no office.
In addition to the TP advisory practice on transfer pricing policies of internationally operating clients, the TP team provides integrated solutions on all relevant transfer pricing issues. Their major services include advice on strategy, audits, dispute resolution, documentation and financial transactions.
Wenger Plattner has been advising and representing clients in all aspects of business law for over 40 years, and has offices in Basel, Zurich and Bern.
The lawyers identify practical, workable solutions and help clients implement these to achieve the best possible commercial outcomes. Wenger Plattner has a team of experts, many of whom are involved in decision-making as members of public authorities and other bodies, giving them an in-depth understanding of client needs.
As a fully integrated partnership, the firm places a strong emphasis on teamwork and co-operation. Wenger Plattner’s clients have access to dedicated, highly experienced specialists who offer top-level advice to help them meet their specific objectives efficiently and effectively.
Goldblum and Partners is an independent Swiss law and fiduciary firm established in 2007, with offices in Zürich and Zug.
The firm advises both Swiss and international clients on corporate, financial, and tax matters, providing a full spectrum of legal, regulatory, and accounting services.
Our team focuses on corporate law, M&A, financial market regulation, taxation, accounting, intellectual property, and FINMA/SRO/SECO authorizations.
We act for private clients, entrepreneurs, investment funds, and corporations engaged in cross-border transactions and complex regulatory environments.
Our multilingual team (English, German, French, Italian) ensures seamless service across jurisdictions.
PrimeTax is a specialized tax consulting firm and advises clients throughout Switzerland. We handle all tax issues of national and global companies, give advice to private individuals and provide comprehensive support to family offices.
What is important to us
Our customer relationships are built on loyalty and trust. We strive to be a long-term partner for our clients. Our clients can count on a trusted and experienced partner.
Our actions are characterized by entrepreneurial thinking, whereby the needs of our clients are always in the center. We are familiar with the tax challenges in numerous industries and countries and can refer to a wide range of experience.
The experts at PrimeTax strive to keep up to date with the latest legal and tax developments, changing law and frameworks. We are active as speakers and regularly publish professional articles in famous journals.
burckhardt advises entities and their owners in domestic and international tax questions and restructurings and renders estate tax planning services.
A substantial part of our activity we spend with the long-term tax planning in the field of corporate tax as well as succession and estate planning of individuals. We draw tax efficient reorganization plans and coordinate in international situations with our colleagues abroad. We render advice in domestic and international situations to groups of companies and their subsidiaries, to family owned businesses and their owners, to real estate transactions as well as in tax dispute situations. Long-term tax planning, restructuring and conversions, purchase and sale of entities, joint ventures and review of alternatives in corporate financing are our core competences. We assist in choosing the legal entity form and in designing your business structure, in transferring shares or in splitting off parts of enterprises. To safeguard family wealth succession and estate planning is of utmost importance for us.
Tax Partner AG is focused on Swiss and international tax law and is recognised as a leading tax boutique. With currently 17 partners and counsels and a total of approximately 50 tax experts, consisting of attorneys, legal experts and economists, the firm advises multinational and national corporate clients as well as individuals.
Tax Partner AG develops creative and well devised solutions in all areas of tax law and offers the full range of tax advice. The concentration of technical expertise and industry sector knowledge allows the development of tailor-made tax solutions for the clients. Tax Partner thereby offers a unique in-depth service quality to their clients. This focus has led to a continuous and increasing success of the firm.
Clients appreciate the efficient and customer-oriented set-up of the firm. The Partners are actively involved in day to day advice to the clients and have an important direct performance on the mandates.
Since its inception in 1997, Tax Partner’s strategy is to exclusively offer specialized tax advice to its clients. Over the past years Tax Partner AG has consequently developed important contacts to service providers engaged in the fields accompanying tax advice.
Tax Partner AG is independent and collaborates with various leading tax law firms globally. In 2005 the firm was a co-founder of Taxand – the world's largest independent organisation of highly qualified tax experts. Taxand currently has more than 3,000 tax advisors and around 700 tax partners from independent member firms in around 51 countries. Tax Partner is the Swiss Taxand member firm.
