A success story
since 1946.
1946 — 1976
In 1946 Jakob Aeberli wrote the first chapter: he founded Aeberli Treuhand. In 1976 he changed the legal form of his company from a sole proprietorship to a joint stock company, which was then managed by three generations until 2019 – most recently by Max Baumann, Ulrich Linder and Mario Rissi. Today, Aeberli serves clients from all industries, from individuals and small businesses to SMEs and major international corporations.
In 1946 Jakob Aeberli wrote the first chapter: he founded Aeberli Treuhand. In 1976 he changed the legal form of his company from a sole proprietorship to a joint stock company, which was then managed by three generations until 2019 – most recently by Max Baumann, Ulrich Linder and Mario Rissi. Today, Aeberli serves clients from all industries, from individuals and small businesses to SMEs and major international corporations.

Testimonies of a success story
Good reasons
to celebrate.
In 2021 Aeberli Treuhand is turning 75. We’re celebrating this significant milestone with our new partners. Our anniversary celebrations will honour Aeberli’s latest generation as well as our long-standing traditions of quality, performance and trust. Our vision remains unchanged. Then as now, we always strive to go the extra mile for our clients. That’s why we are among the top 10 business consulting firms in the greater Zurich area.
to celebrate.
In 2021 Aeberli Treuhand is turning 75. We’re celebrating this significant milestone with our new partners. Our anniversary celebrations will honour Aeberli’s latest generation as well as our long-standing traditions of quality, performance and trust. Our vision remains unchanged. Then as now, we always strive to go the extra mile for our clients. That’s why we are among the top 10 business consulting firms in the greater Zurich area.

Expertise and care
Welcome to the
team of doers.
team of doers.
Areas of expertise
Classic Fiduciary Services
Accounting according to CO
Accounting according to Swiss GAAP FER and IFRS
Payroll Serivces and Social Insurances
Tax expertise natural persons
Tax expertise legal persons
Real Estate Accounting and Administration
Digitization and Process Optimization
Natinoal and Internatinoal VAT
Inheritance, Marriage and Divorce Topics
Restructuring and Reorganization of Companies
Money Laundering Act
Audit
Internal Services (they keep your backs free)









Jeanette Boss
Fiduciary Expert with Professional Certification, Social Insurance Specialist with Professional Certification+








































Jeremy Sprecher
Master of Advanced Studies FH in Fiduciary and Management Consulting, Certified Fiduciary Expert, Business Economist ZFH+









Annina Widmer
Fiduciary Expert with Professional Certification, Certified social insurance specialistTeamleader, Vocational Trainer
+




Strong together.
Network
Network
TREUHAND|SUISSE
The 12 regional sections of Swiss Fiduciary Association TREUHAND|SUISSE cover the whole of Switzerland and have over 2,100 individual and corporate members. This allows the association to use its weight and professional structures to promote the interests of its members and the industry.
For fiduciary companies with high quality standards, membership of TREUHAND|SUISSE has established itself as a standard over the years. TREUHAND|SUISSE brings together fiduciary experts who work primarily for SMEs and private individuals. The majority of them come from owner- or partner-operated fiduciary companies. In total, the company members affiliated to TREUHAND|SUISSE employ 10,000 staff, including 750 apprentices. The members of TREUHAND|SUISSE serve over 350,000 SMEs and private individuals. With our Chairman of the Board of Directors, Christian Nussbaumer, we at Aeberli also have the Chairman of the Zurich section of TREUHAND|SUISSE on board and are therefore always at the pulse of the latest developments in the industry.
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AGN International
With AGN International we belong to a prestigious international association and therefore have access to the know-how of 183 consulting offices in 86 countries. Thus, we have the opportunity to approach international tax issues as well as extensive corporate audits in cooperation with our partners. The association character does not only exist on paper, but we are in regular, close contact with our partners and come together several times a year for meetings and professional exchanges. Therefore, we know the faces of our partners personally and can guarantee the highest quality of service.
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EXPERTsuisse
EXPERTsuisse, the expert association for auditing, taxes and fiduciary, has been training, supporting and representing Certified Experts for over 90 years. The association counts 9,000 natural persons from the fields of auditing as well as business and tax consultancy among its members. In addition to the large auditing companies, its members include around 800 medium-sized and smaller fiduciary companies.
EXPERTsuisse - like TREUHAND|SUISSE - forms a nationwide network of professionals who exchange and support each other through the common platforms, further training and working aids. Membership of these professional associations is also conditional on regular and specific further training for members, which commits us to the highest quality.
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Apprenticeship
The label for training companies was first introduced in French-speaking Switzerland in 1997. In 2004, the State Secretariat for Education, Research and Innovation SERI, in cooperation with the cantons, finally launched the project nationally. The label is a recognition and a thank you to the training companies for their commitment to vocational training. It is intended to show our clients: We provide training and thus make our contribution to Switzerland as a location for education.
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What can we do for you?
Call us, we are here for you.
Call us, we are here for you.