Modern Fiduciary Services for Businesses and Private Clients
We support you in financial and tax matters, personally, digitally and with a focus on what matters most.
Welcome to Trevia Treuhand AG
Fiduciary services, tax and advisory in Zurich
As a trusted partner, we support businesses and private clients in all financial matters. By embracing a modern and digital approach, we create efficient processes and ensure you always have a clear overview of your financials.
Services
We offer comprehensive fiduciary services tailored to your individual needs. From day-to-day support to specialist advice, you benefit from our local network, giving you access to holistic support and all essential services under one roof.
Accounting & Finance
We manage your accounting in a reliable and structured way, ensuring you always have a clear overview of your financials.
Tax
We support you with all tax-related matters and optimise your tax situation with foresight and expertise.
Advisory
We guide you through financial and business decisions and provide clarity on your next steps.
News
Here you will find regular updates on current and relevant topics from the fiduciary sector. The articles provide a concise overview of important developments and regulatory changes.
May I introduce myself?
Nadja Kellenberger
Certified Finance and Accounting Specialist (Federal Diploma)
Trustee Expert Candidate
I have more than 20 years of experience in the fiduciary sector and in providing comprehensive support to SMEs and private clients. My areas of expertise include financial and payroll accounting, VAT, annual financial statements and tax advisory services.