About MyTaxAdvisor
Your digital fiduciary specialized in tax declarations in the French-speaking part of Switzerland
Our mission
Making Swiss taxation accessible and transparent through expert guidance, 100% online. We help individuals in the French-speaking part of Switzerland understand, optimize and manage their tax situation with peace of mind.
Ella Dettwiler – Founder
Ella Dettwiler holds a Bachelor in Law and a Master in Public Law from the University of Geneva.
With over 15 years of experience in Swiss tax law, her career has been enriched through work in fiduciary firms and tax practices across the French-speaking part of Switzerland, from Geneva to Lausanne, where she has supported a wide range of clients through varied and complex tax situations.
Today, as founder of MyTaxAdvisor, she leverages her legal expertise and command of digital tools to deliver personalized, rigorous, and 100% digital tax guidance.
“Our role is not just to fill out a tax return, but to help you understand and master your tax situation.”
Our values
MyTaxAdvisor in numbers
Our partner
For corporate taxation (SA, Sàrl, associations), we collaborate with MyBusinessAdvisor, a fiduciary specialized in business accounting and taxation in the French-speaking part of Switzerland.
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