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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

Hagmann Treuhand AG Logo

Hagmann Treuhand AG 

Bern · Since 2000

Hagmann Treuhand AG is a fiduciary firm offering accounting services such as bookkeeping, payroll administration, VAT returns and preparation and review of annual financial statements. Its services also include tax advisory, audit, succession planning, business consulting and digital trustee solutions with AbaWeb access; the firm is a member of TREUHAND|SUISSE.

Fiduciary Offices
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Hagnuss GmbH Logo

Hagnuss GmbH 

Schalunen · Since 2024

Hagnuss GmbH provides personal financial advisory and administrative support services for private clients. Offerings include financial planning, budget monitoring, bookkeeping and assistance with pension, tax and insurance matters.

Fiduciary OfficesFinancial Services
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HALCYON CONSULTING AG Logo

HALCYON CONSULTING AG 

Zurich · Since 2018

The company's core activity encompasses providing services in the areas of brand communication, web design, and financial services. The company offers tailored solutions to support customers in achieving their business objectives, focusing on optimizing internal processes and administration to achieve cost savings and time savings.

Fiduciary Offices
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Haldimann Treuhand AG Logo

Haldimann Treuhand AG 

Burgdorf · Since 2024

Haldimann Treuhand AG provides fiduciary and tax services for businesses and private clients, including bookkeeping, annual financial statements, tax advice, tax-aware succession planning and part-time or interim CFO/controlling services.

Fiduciary Offices
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Hallwilersee Treuhand AG Logo

Hallwilersee Treuhand AG 

Meisterschwanden · Since 2018

The core activity of Hallwilersee Treuhand AG is the provision of trust and accounting services, particularly for small and medium-sized enterprises (SMEs), individual companies, and private individuals. This includes, among other things: accounting and annual financial statements, payroll accounting and payroll administration, value-added tax returns and tax returns, financial and investment accounting, accounts receivable and accounts payable accounting, personnel administration and consulting, and support for pension institutions and physicians/dentists. The company also offers additional services such as office services and senior care.

Fiduciary Offices
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Hanna Treuhand GmbH Logo

Hanna Treuhand GmbH 

Baar · Since 2016

The company's core activity is providing services in the areas of trust, corporate consulting, finance and taxes. The company offers individual solutions for private individuals, companies and expats to create financial clarity, support tax optimization, pension planning and company formation.

Fiduciary Offices
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Hanspeter Frischknecht und Partner AG Logo

Hanspeter Frischknecht und Partner AG 

Aarau · Since 2001

Fiduciary Offices
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Hansueli Rohner Concept Wohnen Logo

Hansueli Rohner Concept Wohnen 

Zurich · Since 2008

Hansueli Rohner Concept Wohnen is a real estate trustee offering property consulting, marketing and brokerage, development, and property management services. The firm provides advice on acquisitions, assessment of development and use potential, marketing and brokerage, and ongoing administration and optimization of properties.

Fiduciary Offices
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Hans Ulrich Giezendanner, Dr.oec.publ., dipl. Wirtschaftsprüfer Logo

Hans Ulrich Giezendanner, Dr.oec.publ., dipl. Wirtschaftsprüfer 

Rüschlikon · Since 2007

The company's core activity is the provision of financial and accounting services as well as audits, in particular by a certified public accountant.

Fiduciary Offices
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Harald Führer - Kaufmännische Beratung Logo

Harald Führer - Kaufmännische Beratung 

Untervaz · Since 2019

The company Harald Führer - Commercial Consulting offers commercial services and consulting, particularly in the area of office administration. This includes, among other things, the organization and execution of orders, commercial consulting and fiduciary services.

Fiduciary Offices
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Haran Conseils Logo

Haran Conseils 

Geneva · Since 2011

The core activity of Haran Conseils Fiduciaire is to provide services in the field of financial management and tax consulting, specifically: tax returns, accounting, administrative management, and insurance consulting. The company thus offers comprehensive services for self-employed individuals and small and medium-sized enterprises (SMEs) in Geneva.

Fiduciary Offices
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Harmath Treuhand AG Logo

Harmath Treuhand AG 

Oberdorf Nw · Since 1997

The core activity of Harmath Treuhand AG is the provision of trust services.

Fiduciary Offices
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Hartmann & Koch AG Logo

Hartmann & Koch AG 

Liestal · Since 2006

The core activity of Hartmann & Koch Treuhand encompasses the provision of services in the areas of trust, corporate consulting, and taxes. Specifically, the company offers the following services: Trust: financial accounting, annual financial statements, investment consulting; Taxes: tax returns, value-added tax settlements, tax consulting; Corporate consulting: company formation, long-term support, audits; and personnel administration for SMEs. The company focuses on the needs of businesses and provides individual solutions to achieve their goals.

Fiduciary Offices
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Hartmann + Sola Treuhand + Verwaltung AG Logo

Hartmann + Sola Treuhand + Verwaltung AG 

Frauenfeld · Since 2007

Hartmann + Sola Treuhand + Verwaltung AG provides fiduciary and administrative services, including financial and payroll accounting, tax preparation and tax advisory, and corporate consultancy. The firm manages residential and commercial properties, handles sales and brokerage, prepares property cost statements, and assists with company formation and estate execution.

Fiduciary Offices
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Hasler Treuhand Logo

Hasler Treuhand 

Birmensdorf Zh · Since 2003

The core activity of Hasler Treuhand is the provision of trust services, particularly in the areas of accounting, human resources, taxes, and controlling. The company offers consulting services to small and medium-sized enterprises (SMEs), entrepreneurs, and private individuals, and has established a network of partners in the private and public sectors to provide tailored solutions.

Fiduciary Offices
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Haslital Treuhand GmbH Logo

Haslital Treuhand GmbH 

Meiringen · Since 2016

The company's core activity is the provision of trust services, particularly in the areas of annual accounts, tax returns and related financial services.

Fiduciary Offices
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Hatebur Treuhand GmbH Logo

Hatebur Treuhand GmbH 

Grellingen · Since 2011

The core activity of Hatebur Treuhand GmbH is the provision of services in the following areas: Financial and accounting services (accounting), personnel administration, tax and corporate consulting, and insurance consulting. The company thus offers comprehensive and customer-specific services in the field of corporate management and consulting.

Fiduciary Offices
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Hatreba Revisions- und Treuhand AG Logo

Hatreba Revisions- und Treuhand AG 

Aesch Bl · Since 1976

Hatreba Revisions- und Treuhand AG provides auditing, fiduciary and consulting services, including statutory and limited audits, due diligence engagements and audits of foundations and non-profit organisations. The firm also offers bookkeeping and financial-statement preparation under Swiss rules, tax advisory (tax planning, tax returns, VAT) and business advisory services such as valuations, internal control and restructuring support.

Fiduciary Offices
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Hauser Premium GmbH Logo

Hauser Premium GmbH 

Birmensdorf Zh · Since 2021

The core activity of Hauser Premium GmbH is the provision of financial services, particularly accounting and controlling, for small and medium-sized enterprises (SMEs) in the Zurich West region.

Fiduciary Offices
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Hausherr Treuhand GmbH, Zweigniederlassung Diessenhofen Logo

Hausherr Treuhand GmbH, Zweigniederlassung Diessenhofen 

Diessenhofen · Since 2015

Hausherr Treuhand GmbH, Zweigniederlassung Diessenhofen provides fiduciary and accounting services, including financial bookkeeping, accounts receivable/payable, VAT returns and accounting closing support. The branch also offers tax advice, payroll and personnel administration (wage processing, withholding tax, short-time work calculations) and assistance for company start-ups and authority registrations.

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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