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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

TRAG Treuhand und Revisions AG Logo

TRAG Treuhand und Revisions AG 

Naters · Since 2009

The core activity of TRAG Treuhand und Revisions AG encompasses the provision of services in the following areas: * Trust services: accounting, financial statement consulting, financial and accounting management, budgeting, financing concepts, succession planning, pension planning, payroll and social security accounting, real estate consulting * Auditing: financial auditing, regular and limited audits, examination of individual and group financial statements, examination of public-law corporations, examination of processes and internal controls, due diligence audits * Taxes: tax planning, representation before tax authorities, consulting in value-added tax law, consulting in commercial and corporate law * Law: consulting in inheritance law, corporate succession, tenancy and labor law * Business consulting: company formation, financing, transformation and succession, company valuation, restructuring and liquidation The company thus offers comprehensive services for companies, non-profit organizations, and public administrations in the areas of finance, accounting, taxes, law, and business consulting.

Fiduciary Offices
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Transcontag AG Logo

Transcontag AG 

Langnau Am Albis · Since 1976

The core activity of Transcontag AG is the provision of services as a trust and auditing company, including accounting, auditing, tax consulting and other related services.

Fiduciary Offices
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Transfinex AG Logo

Transfinex AG 

Cham · Since 1990

The core activity of transfinex AG is tax and economic consulting.

Fiduciary Offices
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Trauan Treuhand AG Logo

Trauan Treuhand AG 

Frauenfeld · Since 2014

Trauan Treuhand AG provides fiduciary, accounting, tax assistance and advisory services for companies and private clients. Services include company formation and restructuring, financial and cost accounting, preparation of annual financial statements, tax returns and appeals, payroll and training and support for accounting software.

Fiduciary Offices
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TRB Maurer AG Logo

TRB Maurer AG 

Wangen B. Dübendorf · Since 2015

The core activity of TRB Maurer AG is the provision of services in the areas of trust, auditing and consulting, particularly for small and medium-sized enterprises (SMEs), foundations and public administrations. This includes, among other things: Trust: accounting, financial reporting and financial consulting; Auditing: conducting audits as a licensed audit expert of the Swiss Federal Audit Oversight Authority (RAB); Consulting: consulting in the areas of finance, taxes, personnel and organization. The company thus offers comprehensive solutions for the financial and administrative management of companies and organizations.

Fiduciary Offices
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Treast GmbH Logo

Treast GmbH 

Oberrindal · Since 2010

Treast GmbH provides fiduciary services including bookkeeping, financial advisory, administration, tax services and company formation assistance. The firm emphasises personal client contact and uses ABACUS for accounting and Dr. Tax for tax declarations.

Fiduciary Offices
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LEMINA IMMOBILIEN AG Logo

LEMINA IMMOBILIEN AG 

Lostorf · Since 2014

The core activities of TREBEMA AG include the following areas: Trust and auditing, Tax consulting, Business consulting and Interim management, IT services, Digital solutions and Cloud computing. The company thus offers comprehensive services for small and medium-sized enterprises (SMEs), entrepreneurs and managers in the fields of finance, taxes, corporate management and IT.

Fiduciary Offices
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Trecono Treuhand & Beratung Inhaber Claudio Egli Logo

Trecono Treuhand & Beratung Inhaber Claudio Egli 

Staad Sg · Since 2002

Trecono Treuhand & Beratung Inhaber Claudio Egli provides fiduciary and advisory services to SMEs, private clients, non-profit organisations and public-law entities. Services include accounting and financial reporting, statutory audit, tax advisory, payroll administration, business consulting, controlling and pension/succession planning.

Fiduciary Offices
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Trecono Treuhand & Revisionen AG Logo

Trecono Treuhand & Revisionen AG 

Goldach · Since 2010

Trecono Treuhand & Revisionen AG provides fiduciary, audit and advisory services, including accounting and financial reporting, auditing, tax advice, payroll administration, controlling and pension/succession planning for SMEs, private clients, non-profit organisations and public-law entities.

Fiduciary Offices
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TreFida GmbH Logo

TreFida GmbH 

Zurich · Since 2022

The core activity of TreFida is to provide comprehensive trust and consulting services to private individuals and companies in the areas of: financial and risk management, taxes and social security, financial planning and wealth transfer, estate planning, corporate management and consulting, and special mandates for regulatory and business management issues. The company offers personal care, individual approach and pleasant cooperation on an equal footing and positions itself as a general contractor for the coordination of tax, legal, financial and business aspects.

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Trefima Consulting AG Logo

Trefima Consulting AG 

Wil Sg · Since 1993

Fiduciary Offices
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Trefinanz AG Logo

Trefinanz AG 

Steinhausen · Since 1996

The core activity of Trefinanz AG encompasses the provision of services in the following areas: accounting, auditing, tax consulting, corporate and financial consulting, family office, and real estate management. The company thus offers a broad spectrum of services for companies and private individuals in the fields of finance, accounting, and real estate.

Fiduciary Offices
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TREHAG Treuhand St. Gallen AG Logo

TREHAG Treuhand St. Gallen AG 

St. Gallen · Since 1976

TREHAG Treuhand St. Gallen AG provides services in tax advisory, audit, fiduciary services, financial planning and property management. The firm's offerings also include general trust services and business advisory.

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Tre Innova Business Services GmbH Logo

Tre Innova Business Services GmbH 

Hünenberg · Since 2014

The core activity of Tre Innova Business Services GmbH encompasses a broad range of services in the fields of economy and finance. These include: Trust Services: The company offers trust services, including accounting, financial planning and consulting. Human Resources: Tre Innova supports companies in personnel management, including personnel recruitment, development and administration. Taxes: The company provides tax consulting and planning to support companies in optimizing their tax burden. Business Consulting: Tre Innova offers strategic consulting and support in the development of companies. Auditing: The company conducts audits to review and improve the financial situation of companies. Overall, Tre Innova Business Services GmbH offers a comprehensive range of services that support companies in managing and developing their finances and resources.

Fiduciary Offices
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TREMAX GmbH Logo

TREMAX GmbH 

Basel · Since 2023

The company's core activity is providing services in the areas of accounting, tax consulting, and company formation. Specifically, this includes: accounting and payroll accounting, tax returns and tax consulting, advice on company formation (sole proprietorship, GmbH, AG), trademark protection and commercial register changes, and administrative support for businesses and individuals. The company positions itself as a personal advisor and partner for its clients, with the goal of offering individual solutions and supporting clients in achieving their goals.

Fiduciary Offices
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Trescor Treuhand Luzern AG Logo

Trescor Treuhand Luzern AG 

Lucerne · Since 1992

The core activity of Trescor Treuhand Luzern AG is the provision of trust services for companies and private individuals, including: SME Check: Review of the status of companies or private situations; SME Total: Outsourcing of trust tasks for companies; Emergency Service: Quick and competent assistance in exceptional situations; Field Service: Trust service directly on site at customers; Chaos Service: Cleanup service for administrative tasks; Classic Trust: Individual trust services tailored to customer needs. The company thus offers a wide range of services in the field of trust to support customers in managing their finances and administration.

Fiduciary Offices
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TRE Services GmbH Logo

TRE Services GmbH 

Dietikon · Since 2017

TRE Services GmbH provides independent insurance advisory and brokerage services to private clients, SMEs and company founders, and delivers complementary fiduciary and financial services. Offerings include bookkeeping (financial and payroll), tax return preparation, company formation, administrative support and web development.

Fiduciary OfficesInsurance Brokerage & Consulting
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TRESO Treuhand AG Logo

TRESO Treuhand AG 

Olten · Since 1990

The core activity of TRESO Treuhand AG is the provision of services in the fields of trust, accounting, and taxation, as well as auditing. Specifically, this includes: trust services, including merger and acquisition consulting, inheritance law and estate administration, company formation, purchase and sale, and succession planning; tax consulting, both nationally and internationally, withholding tax declarations, VAT consulting and declarations, as well as VAT representation for foreign companies; accounting services, including payroll and personnel administration, outsourcing of accounting, and consulting on financial statement preparation; and auditing, including annual financial statement audits, voluntary audits, special audits, and formation/conversion audits.

Fiduciary Offices
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TRESTA Trust Company AG Logo

TRESTA Trust Company AG 

Bäch Sz · Since 2022

The core activity of TRESTA Trust Company AG is the assumption of trusteeships and investor support for closed-end fund companies as well as for direct investments. Specifically, this includes the management of: * Real estate funds (with a total volume of > CHF 350 million) * Precious metal investments (with a total volume of > CHF 1 billion) * Private placements for large investors. In doing so, the company assumes tasks such as the management of precious metal deposits, the use control of paid-in funds, controlling tasks and warehouse logistics.

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TreS Treuhand GmbH Logo

TreS Treuhand GmbH 

Langnau Im Emmental · Since 2013

The core activity of TreS Treuhand GmbH is the provision of services in the field of trust services, particularly in the areas of accounting, personnel administration, cost accounting, taxes and VAT, as well as consulting in the areas of new foundations, succession planning, transformations, financial planning, tax consulting and personnel consulting.

Fiduciary Offices
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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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