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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

RTG Revisions- und Treuhandgesellschaft AG Logo

RTG Revisions- und Treuhandgesellschaft AG 

Gossau Sg · Since 2004

The core activity of RTG Revisions- und Treuhandgesellschaft AG is the provision of auditing and trust services, in particular the conduct of ordinary and limited audits, examinations and consulting services for small and medium-sized enterprises (SMEs) in Switzerland.

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RTH AG Logo

RTH AG 

Zug · Since 1991

The core activity of RTH AG is the provision of administrative and tax services for Swiss companies, including company formation, tax consulting, organization and IT services.

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RT Partner AG Treuhand & Consulting Logo

RT Partner AG Treuhand & Consulting 

Riedt B. Erlen · Since 2013

The core activity of RT Partner AG includes trust and consulting services, including: Trust: accounting, tax consulting for private and legal entities, company formations, administrative and secretarial activities. Real Estate: consulting, valuation, purchase, sale and management. Business Consulting: accompanying SMEs from foundation to dissolution. Legal Consulting: contract law, construction law. The company thus offers comprehensive services for companies and private individuals in the areas of finance, real estate and law.

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Rubag Treuhand und Mediation AG Logo

Rubag Treuhand und Mediation AG 

Hermetschwil-Staffeln · Since 2014

The core activity of Rubag Treuhand und Mediation AG encompasses the areas of finance and accounting as well as corporate consulting, including services such as bookkeeping, employee support and corporate law.

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rubí gmbh buchen und steuern Logo

rubí gmbh buchen und steuern 

Lucerne · Since 2019

The core activity of the company "rubí gmbh" encompasses the provision of services in the areas of accounting, personnel administration, and tax returns. Specifically, the company offers the following services: * Accounting: Maintenance of financial accounting, creation of invoices, payment transactions, collection, dunning, creation of interim and annual financial statements * Personnel administration: Maintenance of payroll accounting, creation of payroll declarations for social insurance, creation of withholding tax statements, creation of payroll certificates * Tax returns: Preparation of tax returns, consulting on tax matters The company supports its customers in managing their finances and personnel matters, allowing them to focus on their core business.

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Rudischhauser Treuhand Logo

Rudischhauser Treuhand 

Zug · Since 1999

Rudischhauser Treuhand provides trustee services, real estate brokerage and business consulting. The website lists company administration including bookkeeping and tax matters, as well as family office mandates and coordination of interests.

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Rudolf Fasler Aarau AG Logo

Rudolf Fasler Aarau AG 

Aarau · Since 1990

The core activity of Rudolf Fasler Aarau AG encompasses three main areas: 1. **Trust Services**: The company provides trust services, including financial accounting, payroll accounting, preparation of annual accounts, payroll administration, VAT declarations, and tax returns. 2. **Estate Liquidations and Consulting**: The company supports the liquidation of estates, including the settlement of estate debts, the distribution of legacies, and the division of the estate according to the instructions of the deceased or as prescribed by law. 3. **Executor Services**: The company offers executor services, including the settlement of estate debts, the distribution of legacies, and the division of the estate according to the instructions of the deceased or as prescribed by law. Overall, the core activity of the company can be described as comprehensive services in the field of estate administration and liquidation, including trust and consulting services.

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Ruedi Niederhauser Logo

Ruedi Niederhauser 

Winterthur · Since 1989

Ruedi Niederhauser provides services in accounting, tax advisory and statutory audit. Offerings include bookkeeping and financial statements, tax returns, VAT filings, payroll and social‑insurance accounting.

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Rüegsegger Treuhand AG Logo

Rüegsegger Treuhand AG 

Frutigen · Since 2013

Rüegsegger Treuhand AG provides fiduciary and audit services together with tax and business consulting. Its services include financial and accounting (bookkeeping, annual financial statements, VAT returns, payroll administration), corporate consulting (company formation, restructurings, valuations, support for purchases and sales) and tax advisory (tax returns, tax planning, appeals, rulings), as well as limited statutory audits and special examinations. The firm also offers services related to real estate management.

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Rüegsegger Treuhand AG Logo

Rüegsegger Treuhand AG 

Spiez · Since 2013

Rüegsegger Treuhand AG provides fiduciary services including accounting, payroll and VAT reporting, together with business and tax advisory services. The firm carries out limited audits and special examinations and offers services related to real estate management.

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Rüfenacht Heer Partner AG Zweigniederlassung Grenchen Logo

Rüfenacht Heer Partner AG Zweigniederlassung Grenchen 

Grenchen · Since 2019

Rüfenacht Heer Partner AG Zweigniederlassung Grenchen provides fiduciary, audit and tax advisory services. Offerings include accounting, payroll and VAT processing, preparation of financial statements, statutory and limited audits, company valuations, and support for corporate transactions and succession planning.

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RundUm Mayer Logo

RundUm Mayer 

Niederglatt Sg · Since 2023

The core activity of RundUm Mayer is the provision of trust and office services, including accounting, taxes and business consulting, particularly for medium-sized companies and self-employed individuals in Eastern Switzerland.

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Ruoss Beratungen Logo

Ruoss Beratungen 

Triengen · Since 1993

Ruoss Beratungen provides fiduciary and financial advisory services to private clients and small and medium-sized enterprises. Services include accounting, annual financial statements, tax advisory, company formation, debt collection and debt restructuring, as well as advice on insurance, health insurance, investments and mortgage financing.

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Rupp Treuhand Logo

Rupp Treuhand 

Müllheim Dorf · Since 2011

The core activity of Rupp Treuhand is the provision of services in the field of financial and corporate management, particularly: accounting, taxes, human resources, and economic consulting. The company thus offers comprehensive support to businesses in these areas.

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Rupp Treuhand AG Logo

Rupp Treuhand AG 

Chur · Since 1994

The core activity of Rupp Treuhand AG is the provision of services in the following areas: * Trust services (in particular for small and medium-sized enterprises as well as private individuals) * Tax consulting * Business consulting * Legal consulting * Accounting * Real estate management and administration Thus, the company offers a comprehensive range of services for companies and private individuals in the areas of finance, law and real estate.

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Rüsch Treuhand AG Logo

Rüsch Treuhand AG 

Herrliberg · Since 1986

Rüsch Treuhand AG provides fiduciary services, offering bookkeeping, tax advisory, administrative services and audit services.

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Russell Bedford Fiduciaire Genève SA Logo

Russell Bedford Fiduciaire Genève SA 

Geneva · Since 2023

Russell Bedford Fiduciaire Genève SA provides fiduciary and corporate services including accounting, payroll administration, tax advice (direct taxes and VAT), company formation and domiciliation, and governance and succession planning. The group includes Russell Bedford Audit Genève SA, which carries out statutory and consolidated audits (IFRS, Swiss GAAP, US GAAP) and offers compliance, AML and risk‑management support for regulated financial institutions.

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Russell Bedford Audit Genève SA Logo

Russell Bedford Audit Genève SA 

Geneva · Since 1987

Russell Bedford Audit Genève SA provides audit and assurance services, including statutory audits (ordinary and limited) and consolidated financial statement audits under IFRS, Swiss GAAP and US GAAP. The firm also offers internal audit outsourcing, compliance and AML support for regulated financial institutions, assistance with licensing (LSFIN/LEFIN), valuations and audit services related to restructurings and mergers.

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Rustemi Treuhand Logo

Rustemi Treuhand 

Neerach · Since 2022

The core activity of Rustemi Treuhand is the provision of trust services, including accounting, tax consulting and other related services.

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Rutschi + Partner AG Logo

Rutschi + Partner AG 

Egg B. Zürich · Since 2004

Rutschi + Partner AG is a fiduciary and audit firm providing bookkeeping, payroll administration and financial management services and preparing annual and interim financial statements. The company is registered with the Swiss Federal Audit Oversight Authority (RAB) for audits and also offers tax advice and representation, business consulting and ABACUS-based bookkeeping solutions.

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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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