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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

TRETOR AG Logo

TRETOR AG 

Basel · Since 2016

TRETOR AG provides fiduciary and advisory services, including accounting and payroll administration, audit services, tax services and business consulting.

Fiduciary Offices
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TRETOR AG Logo

TRETOR AG 

Liestal · Since 1995

TRETOR AG provides fiduciary, audit, tax and business consulting services, including accounting and payroll administration. The firm also offers international audit, tax and payroll services and consulting for SMEs, start-ups and non-profit organisations.

Fiduciary Offices
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Treu & Co. Logo

Treu & Co. 

Allschwil · Since 1989

The core activity of Treu & Co is tax consulting and trust services for natural and legal persons, including: tax consulting for natural and legal persons, accounting, deadline management for tax returns, advice on restructuring, transactions with real estate and investments, value-added tax accounting and consulting, filing of appeals and representation before authorities, and acting as tax representative. The company also offers additional trust services, such as drafting tax rulings and supporting tax audits.

Fiduciary Offices
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treucon64, markus rufli Logo

treucon64, markus rufli 

Hünenberg · Since 2008

The company's core activity is providing services in the areas of finance and accounting, tax consulting, corporate law, human resources and corporate administration for businesses and private clients.

Fiduciary Offices
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TREUCOMP Treuhand GmbH Logo

TREUCOMP Treuhand GmbH 

Unterägeri · Since 1999

The core activity of TREUCOMP Treuhand GmbH is the provision of services in the areas of trust, accounting and taxes. Specifically, this includes: Trust: Consulting and supporting SMEs and private individuals in trust-related matters; Accounting: Providing accounting services to support customers in managing their finances and fulfilling tax obligations; Taxes: Tax consulting and optimization to support customers in minimizing their tax burden and fulfilling legal obligations.

Fiduciary Offices
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Treucontrol AG Logo

Treucontrol AG 

Egg B. Zürich · Since 1992

The company's core activity is auditing and consulting, in particular the provision of audit services (limited or ordinary audit) for small and medium-sized enterprises (SMEs), as well as supporting the implementation of visions, identifying optimization potential and converting complex content into clear structures.

Fiduciary Offices
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Treuco AG Logo

Treuco AG 

Zurich · Since 1993

The company offers comprehensive services in the areas of law, taxes, finance, and management. The core activities include: * Legal advice for private individuals, companies, and international corporations in the areas of contract law, commercial and corporate law, financing, restructuring and insolvency law, real estate law, as well as labor and social law * Tax consulting and planning for private individuals and companies * Financial services such as asset management, portfolio analysis, and estate and succession planning * Management and administrative tasks such as business management, accounting, and controlling * Consulting for the founding and management of companies, including the creation of shareholder agreements and the optimization of business processes. The company positions itself as a full-service provider for all legal, tax, and financial matters of private individuals and companies.

Fiduciary Offices
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Treucon GmbH Logo

Treucon GmbH 

Oetwil An Der Limmat · Since 2002

Treucon GmbH is a fiduciary and consulting firm that provides outsourcing services for payroll and financial administration. Services include payroll processing and social-insurance administration, bookkeeping (accounts receivable and payable), cash- and liquidity planning, annual financial statements, VAT filings, and tax declarations with representation before tax authorities.

Fiduciary Offices
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Treufida AG Logo

Treufida AG 

St. Gallen · Since 2017

Treufida AG provides fiduciary and tax services focused on doctors and medical practices. Services include bookkeeping and annual financial statements, tax returns for individuals and legal entities, payroll and HR administration, practice financing and valuation, support for practice acquisitions and start‑ups, succession planning and related administrative tasks.

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Treufida Treuhand- & Beratungs- GmbH Logo

Treufida Treuhand- & Beratungs- GmbH 

St. Gallen · Since 2004

Treufida Treuhand- & Beratungs- GmbH provides fiduciary and advisory services for physicians and medical practices. Services include practice accounting and tax advice, payroll and HR administration, practice financing and valuation, support for practice acquisition or start-up, and succession/brokerage solutions.

Fiduciary Offices
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TreuFinanz B. Finger Logo

TreuFinanz B. Finger 

Walenstadt · Since 2003

TreuFinanz B. Finger provides fiduciary services focused on corporate matters, wealth advisory and financial planning, as well as business consulting and company structuring. It also offers bookkeeping and administrative services, tax advice and preparation of tax returns, and supports clients in bank meetings and correspondence with authorities.

Fiduciary Offices
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TreuFinanz Services GmbH Logo

TreuFinanz Services GmbH 

Mels · Since 2014

TreuFinanz Services GmbH provides bookkeeping, administrative and tax advisory services. The company also delivers corporate services such as company formation, corporate structuring and wealth advisory, and handles reporting, correspondence with authorities and preparation of tax returns.

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TREUFIN GmbH Logo

TREUFIN GmbH 

Dietikon · Since 2022

The company's core activity encompasses the provision of services in the fields of finance, real estate, insurance, and trust. Specifically, the company offers the following services: financial coaching for private individuals and SMEs, succession planning, patient advocacy, company formation, organization and structuring of companies, networking, accounting, trust services, insurance services, and property management. The company positions itself as a full-service provider for the financial and legal needs of private individuals and companies.

Fiduciary Offices
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Treufit AG Logo

Treufit AG 

Zurich · Since 1977

Treufit AG provides bookkeeping and accounting services, including financial and payroll accounting, VAT returns, invoicing, accounts receivable/payable and payment processing. The firm also offers tax services, auditing, business consulting, implementation of Abacus systems, web-based collaboration via AbaWeb, staff coaching and temporary assignments as head of finance or controller.

Fiduciary Offices
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Treuhand 360 Grad AG Logo

Treuhand 360 Grad AG 

Mellingen · Since 2019

The core activity of Treuhand 360° AG is the provision of services in the field of finance and accounting, particularly: accounting, taxes, and consulting. The company offers individual and competent consulting for clients and supports them in financial and accounting matters.

Fiduciary Offices
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treuhand ag pfäffikon Logo

treuhand ag pfäffikon 

Pfäffikon Sz · Since 1974

The core activity of the company "treuhand ag pfäffikon" is the provision of trust and accounting services, including accounting, controlling, financial reporting and auditing, for companies and organizations.

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Treuhand am Homberg GmbH Logo

Treuhand am Homberg GmbH 

Wangen B. Olten · Since 2016

The core activity of Treuhand am Homberg GmbH encompasses a wide range of services in the following areas: accounting and financial and accounting services, tax consulting and tax returns, property management, purchase, sale and brokerage of real estate, asset consulting and other trust services. The company thus offers comprehensive services in the areas of finance and accounting, taxes and property management.

Fiduciary Offices
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TREUHANDART AG Logo

TREUHANDART AG 

Oberurnen · Since 2008

The company's core activity is the provision of trust services, including accounting, tax consulting, payroll accounting and value-added tax, as well as consulting in all trust areas.

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TreuhandAtelier.ch AG Logo

TreuhandAtelier.ch AG 

Baar · Since 2001

The core activity of the company 'Treuhand Atelier' encompasses services in the areas of trust, taxes, pension planning, financial planning, and law. The company offers professional solutions for discerning clients, particularly in the following areas: * Trust: Support in founding companies, tax optimization, and complex structure and succession planning * Taxes: Tax planning and optimization for companies and private individuals * Pension planning: Planning and implementation of pension concepts for companies and private individuals * Financial planning: Creation of financial plans and concepts for companies and private individuals * Law: Partnership with a law firm for comprehensive legal advice and representation The company thus offers a comprehensive range of services for companies and private individuals who require professional and individual advice and support in the areas of finance, taxes, and law.

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TREUHAND BAMERT AG Logo

TREUHAND BAMERT AG 

Freienbach · Since 2015

The core activity of Treuhand Bamert AG is the provision of trust services, particularly in the areas of financial and payroll accounting, property accounting, tax consulting, support for company formation, and personnel administration. The company offers individual and personal consulting as well as competent support for businesses to assist them in their financial and administrative matters.

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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