What sets us apart
THR Rüegg & Partner AG sees itself as a service provider in the trust services sector. Around ten motivated employees are currently taking care of the diverse concerns of our customers.
We serve individuals, small businesses, SMEs and municipal governments. Multinational companies within Switzerland are also among our long-standing customers.
This broad spectrum of customers opens up a wide variety of perspectives and directions and makes us who we are. A team of professional specialists, flexible financial companions and pragmatic pioneers.
We identify with our customers and are always on the lookout for the best possible solution to address every issue.
What we stand for
Who you give insight into your finances depends a lot on whether you trust that person. A solid foundation of trust is therefore just as important to us as an open, cooperative and close contact with our customers.
THR Rüegg & Partner AG stands for flexibility and the demand to provide services that are ideally tailored to the needs of our clientele.
Our team always strives for the highest possible professionalism without losing sight of what are often simple and pragmatic solutions.
The Team

Thomas Rüegg
Managing Director
- Swiss certified specialist for finance and accounting
- Certified auditor for a restricted form of audit under Swiss law
- Over 20 years experience in trust and advisory services
- Previously employed in finance and accounting for public authorities and the banking sector

Ronny Keller
Partner and Head of Tax
- Commercial employee
- Several years of experience in various accounting departments of national and multinational companies
- Responsible for accounting and tax services
- On multiple Boards of Directors

Alex Mihajlovic
Partner
- Swiss certified accounting and controlling expert
- Swiss certified specialist for finance and accounting
- Diploma for Real Estate Administrator and Management
- Responsible for accounting and tax services

Corinne Jäger
Chief adviser for Trust services
- Over 25 years’ experience in Trust services
- Responsible for accounting and tax services

Marilena Bernardo
Trust services assistant
- Certified Accounting Specialist
- In training to become a trust services specialist with a Swiss federal certificate of competence
- Responsible for accounting and tax services

Patrizia Fritschi
Trust services assistant
- Responsible for accounting and tax services

Andrea Sprich
Chief adviser for Trust services
- Several years of experience in various finance departments of national and multinational companies
- Responsible for accounting and tax services

Cornelia Alini
Chief adviser for Trust services
- Responsible for accounting and tax services

Cornelia Rizzo
Chief adviser for taxes
- Over 29 years of experience as a tax consultant
- Supervision of tax mandates
- Supervision of executor mandates