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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryFiduciary Offices

Fiduciary Offices

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13'258 companies found

TreuPlan AG Logo

TreuPlan AG 

Kleinwangen · Since 2018

The core activity of TreuPlan AG is the provision of services in the areas of fiduciary and construction planning, particularly for agriculture. This specifically includes: fiduciary services, tax consulting, accounting, construction planning, building submissions, and succession planning. With a focus on agriculture and the use of specific software programs such as AgroOffice, Pinus and Agris.

Fiduciary Offices
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Treunova GmbH Logo

Treunova GmbH 

Wilchingen · Since 2018

The core activity of Treunova GmbH is the provision of trust services, particularly in the areas of accounting, payroll administration, taxes and agricultural economics, for self-employed individuals, SMEs and agricultural businesses. This also includes advisory and support services for start-ups, restructuring, succession planning and business dissolution.

Fiduciary Offices
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treuservices.ch GmbH Logo

treuservices.ch GmbH 

Mägenwil · Since 2020

The core activity of T reu Services.ch GmbH is the provision of financial, accounting and tax services for natural and legal persons.

Fiduciary Offices
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TREUtastic GmbH Logo

TREUtastic GmbH 

Höri · Since 2022

TREUtastic GmbH provides fiduciary and accounting services with a focus on financial accounting, payroll accounting and tax returns. Services include bookkeeping with interim and annual accounts, VAT reporting, payroll administration including social insurance and withholding tax settlements, and preparation of tax returns and tax advice.

Fiduciary Offices
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TreuValues AG Logo

TreuValues AG 

Zurich · Since 2020

The core activity of TreuValues AG is the provision of trust services, particularly in the areas of: accounting and financial reporting, tax consulting and declaration, personnel administration and payroll accounting, corporate consulting and valuation, process consulting and interim management, and legal consulting and representation. The company also offers specialized services such as company formation and restructuring, succession planning, and value-added tax consulting.

Fiduciary Offices
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TREVA Consulting, G. Evangelista Logo

TREVA Consulting, G. Evangelista 

Brislach · Since 2003

The core activity of TREVA Consulting is the provision of services in the fields of finance and accounting, in particular: * Trust services, including accounting, tax consulting, payroll administration and specialist advice * Support for company formations * Tax consulting and declaration * Accounting, including financial statement preparation and outsourcing * Consulting in financial and accounting matters. The company thus offers comprehensive services for companies and private individuals in the fields of finance and accounting.

Fiduciary Offices
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Treuwerk AG Logo

Treuwerk AG 

Basel · Since 2018

The core activity of Treuwerk AG is the provision of services in the areas of trust, corporate consulting, tax consulting, accounting, financial accounting, personnel administration and auditing. The company supports companies and private individuals in managing and monitoring their financial processes, provides consulting services in various areas such as company acquisitions and sales, restructuring, succession planning and tax planning, and assumes tasks such as accounting, payroll accounting, tax returns and auditing.

Fiduciary Offices
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trevad gmbh Logo

trevad gmbh 

Bösingen · Since 2007

trevad gmbh provides fiduciary (treuhand) and auditing (revision) services. The website shows contact information and indicates the firm offers services related to fiduciary work and financial audits.

Fiduciary Offices
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Trevag Treuhand, Revisionen und Versicherungen AG Logo

Trevag Treuhand, Revisionen und Versicherungen AG 

Lucerne · Since 1997

Fiduciary Offices
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Treventa AG Logo

Treventa AG 

Basel · Since 2022

The core activity of Treventa AG is the provision of trust services, including support and accompaniment of companies and individuals in financial and legal matters.

Fiduciary Offices
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TREVISA AG Logo

TREVISA AG 

Wettingen · Since 2019

The core activity of TREVISA AG consists of two main areas: 1. **Interim Finance**: The company provides temporary financial expertise to support companies in specific challenges or projects. This can include taking over financial functions, implementing financial projects, or providing financial expertise on a temporary basis. 2. **Coaching**: TREVISA AG offers coaching services aimed at supporting individuals and teams in personal and professional changes. This can include developing leadership skills, improving communication skills, or supporting career decisions. Overall, the company focuses on providing expert knowledge and experience in the areas of finance and personal development to support companies and individuals in their development and success.

Fiduciary Offices
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Trevisca AG Logo

Trevisca AG 

Baar · Since 1995

The core activity of Trevisca AG is the provision of services in the field of trust and tax consulting. The company offers individual and comprehensive solutions for clients, particularly in the areas of economic processes, legal frameworks and international interconnections. The services include, among other things, the role of a loyal and reliable advisor who provides solutions for clients.

Fiduciary Offices
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Trevision Treuhand und Revision AG Logo

Trevision Treuhand und Revision AG 

Pfeffikon Lu · Since 2007

Trevision Treuhand und Revision AG provides audit, fiduciary and tax advisory services, including limited statutory audits under the Swiss Code of Obligations, bookkeeping, VAT returns, payroll and property accounting, and financial-statement and tax consulting. The company also offers business valuation reports, start-up and succession advice, support for restructurings and assistance with business plans.

Fiduciary Offices
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Treviso Revisions AG Logo

Treviso Revisions AG 

St. Gallen · Since 2000

The core activity of Treviso Revisions AG is the provision of professional financial services, particularly in the areas of auditing, tax consulting, fiduciary services and corporate consulting.

Fiduciary Offices
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Trewitax St. Gallen AG Logo

Trewitax St. Gallen AG 

St. Gallen · Since 2002

Fiduciary Offices
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TREXPEDIA AG Logo

TREXPEDIA AG 

Brüttisellen · Since 2020

The core activity of TREXPEDIA AG encompasses services in the areas of finance and accounting, taxes, real estate and bookkeeping. The company offers, among other things, consulting for company formations, creation of founding documents, tax consulting, accounting and other related services.

Fiduciary Offices
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Triade SA Logo

Triade SA 

Geneva · Since 1990

The core activity of Triade SA Fiduciaire is the provision of fiduciary services, including accounting, tax consulting and other related services typically provided by a fiduciaire (a type of trust company) in Switzerland.

Fiduciary Offices
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Tria Revisions AG Logo

Tria Revisions AG 

Cham · Since 1995

Fiduciary Offices
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Trias Treuhand GmbH Logo

Trias Treuhand GmbH 

Zurich · Since 1966

The core activity of TRIAS Treuhand GmbH Zurich is tax consulting for private individuals.

Fiduciary Offices
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Triasum GmbH Logo

Triasum GmbH 

Weggis · Since 2009

Triasum GmbH provides consulting and trust (treuhand) services as well as education and training events. The company develops training and instructional materials, performs accounting and tax-related trust services, and offers marketing and business consulting services.

Management ConsultingFiduciary OfficesContinuing Education Institutes
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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