Audit
We subject your annual financial statements to an independent and critical audit so that you can subsequently rely on them. To this end, we are licensed by the Swiss Federal Audit Oversight Authority and fully comply with the applicable professional standards. At the same time, you benefit from our broad experience in accounting, tax and business management issues.
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Tax Consulting
A large number of direct and indirect taxes and duties burden economic processes. It is therefore crucial to know the tax consequences in advance. Our specialists have many years of professional experience and will accompany you (companies, institutions, private individuals) safely and with the necessary foresight, optimised through the tax jungle. Our strength lies in the design of individual, tax-optimised solutions.
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Accounting
Should you outsource the bookkeeping or manage it yourself? SECO advises that the accounting should only be kept by oneself if time and competent personnel are available. A trustee is often the better choice. Our fiduciary services are tailored to your needs. We relieve you of the administrative tasks so that you can concentrate on your core business.
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Business Advisory
In the life cycle of a company, challenging decisions have to be made again and again, be it in the start-up, growth or maturity phase. In these situations, we are at your side with fast and flexible advice. We have gained a lot of experience from countless projects over the years and can effectively support you from the foundation to the succession planning.
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Competence from a single source. Thanks to our interdisciplinary team of experts* in the fields of Audit, taxes, law and Accounting , we are your contact for financial and business questions.
Current topics
News on the vote on September 28, 2025: Change of system for imputed rental value

Upcoming vote on the change to the imputed rental value system: The reform is more comprehensive than most of the media and the central voting documents suggest. The debt interest deduction will be abolished not only for owner-occupied properties, but for all assets except investment properties. This represents a massive intervention in the system and breaks with the principle that expenses incurred to generate taxable income are deductible. All taxpayers who pay debt interest on non-owner-occupied properties will face additional tax burdens in future.
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New partner at Gfeller + Partner AG

Succession solution at Gfeller + Partner AG: from January 1, 2025, the circle of existing partners will be expanded with Moana Caspar and Michael Schneider.
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Sustainability as a driver for increasing the value of the company
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The topic of sustainability is becoming increasingly important and is not an abstract trend. SMEs are also increasingly confronted with this topic due to their diverse interdependencies. The integration of sustainability aspects into operational business is increasingly expected and demanded by interest groups. In this newsletter article, you can find out what opportunities this development also offers SMEs.
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Taxes - overview of the main changes as of January 1, 2024

Every year at the turn of the year, a large number of changes and/or amendments to the law come into force. With this newsletter we inform you in short form and without claim to completeness about the most important and for you relevant topics.
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