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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
DirectoryFiduciary Offices

Fiduciary Offices

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13'259 companies found

KASTRATI CONSULTING Logo

KASTRATI CONSULTING 

Oberengstringen · Since 2020

KASTRATI CONSULTING provides accounting and fiduciary services and supports company formation. Services include bookkeeping and year-end, payroll, VAT and tax advice, company registration, and insurance and financing advisory for private clients and SMEs.

Fiduciary Offices
View profile5(13)
Lambeta Finanzen Logo

Lambeta Finanzen 

Wettingen · Since 2021

The core activity of Lambeta Finanzen is the provision of trust and financial services for companies and private individuals, including accounting, tax consulting, payroll accounting, value-added tax settlement, analysis of the financial year and various administrative tasks.

Fiduciary Offices
View profile4.8(13)
Mahrer Treuhand AG Logo

Mahrer Treuhand AG 

Möhlin · Since 2000

The core activity of Mahrer Treuhand AG is the provision of trust services, particularly in the areas of accounting, taxes, auditing and corporate consulting for business and private clients.

Fiduciary Offices
View profile3.8(13)
Milo Treuhand & Immobilien AG Logo

Milo Treuhand & Immobilien AG 

Baden · Since 2016

The core activity of Milo Treuhand & Immobilien AG encompasses the provision of services in the following areas: accounting, taxes, payroll accounting, and property management. The company thus offers a comprehensive range of services for businesses and private individuals in the fields of finance, taxes, and real estate.

Fiduciary Offices
View profile5(13)
Onestra Management GmbH Logo

Onestra Management GmbH 

Hünenberg · Since 2014

Onestra Management GmbH provides fiduciary and consulting services, including accounting, payroll administration, administrative and co‑working services, and web‑based AbaWeb accounting. The firm also offers tax and social security advice, business and legal consulting, and internal and external auditing services.

Fiduciary Offices
View profile4.7(13)
ONE! Treuhand GmbH Logo

ONE! Treuhand GmbH 

Glattbrugg · Since 2009

The company's core activity is the provision of services in the field of finance and accounting, particularly in the areas of accounting, tax consulting, payroll accounting and corporate consulting. The company offers its customers comprehensive support and consulting in these areas to support them in managing their business.

Fiduciary Offices
View profile4.7(13)
Prosperify Sàrl Logo

Prosperify Sàrl 

Renens Vd · Since 2018

The core activity of Prosperify is to provide financial and accounting services to companies, particularly in Switzerland. This includes: Expertise and consulting in tax matters, outsourcing of accounting, preparation of tax returns for companies, payroll and personnel management (payroll services), and annual financial statements and reporting. The company offers these services as a comprehensive package, enabling companies to outsource their financial and accounting tasks and focus on their core activities.

Fiduciary Offices
View profile5(13)
Sachwalterbüro Boesch AG Logo

Sachwalterbüro Boesch AG 

Hochdorf · Since 2008

Sachwalterbüro Boesch AG provides technical and commercial property management for rental properties and condominium ownership. Services include rent administration, tenant and owner correspondence, accounting and ancillary cost settlement, maintenance coordination, and support for property sales and marketing.

Fiduciary Offices
View profile4.3(13)
SiL Management & Treuhand AG Logo

SiL Management & Treuhand AG 

Schaffhausen · Since 2020

The core activity of SiL Management & Treuhand AG is to provide comprehensive services to companies, particularly in the areas of: Trust and consulting, Accounting and financial management, Taxes and legal consulting, HR management and personnel strategy, Financial leadership and strategy development. The company supports its customers in optimizing their business processes, reducing costs and increasing their efficiency. By providing specialized services, SiL Management & Treuhand AG enables its customers to focus on their core business.

Fiduciary Offices
View profile4.8(13)
spona consulting GmbH Logo

spona consulting GmbH 

Lucerne · Since 2007

Management ConsultingFiduciary Offices
View profile4.9(13)
Tarantino AG Logo

Tarantino AG 

Zurich · Since 1986

The core activity of Tarantino AG is the provision of services in the areas of trust, tax consulting and business consulting. Specifically, this includes: tax consulting and tax returns, financial and operational accounting, payroll administration, business consulting, company formations, inheritance, estate, gift and succession planning, as well as individual trust solutions for private and business clients. The company offers these services to small and medium-sized enterprises as well as private clients and collaborates with a network of specialists on complex issues.

Fiduciary Offices
View profile5(13)
Treuhand & Immobilien Abt AG Logo

Treuhand & Immobilien Abt AG 

Glattbrugg · Since 1962

The core activity of Treuhand & Immobilien Abt AG encompasses the provision of services in the following areas: Trust services (accounting, taxes, audits), Real estate (sales, management, administration), Consulting (inheritance matters, company formations, tax planning). The company positions itself as a partner and advisor for private individuals as well as small and medium-sized enterprises (SMEs), offering tailored solutions for their financial and real estate-related needs.

Fiduciary OfficesProperty ManagementReal Estate Brokerage
View profile3.8(13)
Zehnder Revisions AG Logo

Zehnder Revisions AG 

Lenzburg · Since 2024

Zehnder Revisions AG carries out audit and review mandates as licensed audit experts and performs auditing tasks on behalf of Zehnder Treuhand AG. It provides audit-related services within the fiduciary/accounting sector.

Fiduciary Offices
View profile5(13)
Zehnder Treuhand AG Logo

Zehnder Treuhand AG 

Lenzburg · Since 2015

Zehnder Treuhand AG offers fiduciary services including accounting, tax services, audits, VAT matters, payroll administration, controlling and business consulting. Audit functions are carried out under the name Zehnder Revisions AG.

Fiduciary Offices
View profile5(13)
Zehnder Treuhand AG Brugg Logo

Zehnder Treuhand AG Brugg 

Brugg Ag · Since 2021

Zehnder Treuhand AG Brugg provides fiduciary services including accounting, tax, auditing, VAT, payroll administration, controlling and business consulting. Audit activities are performed under the name Zehnder Revisions AG.

Fiduciary Offices
View profile5(13)
FlexSolution Sàrl Logo

FlexSolution Sàrl 

Fribourg · Since 2025

The core activity of FlexSolution is providing legal and tax consulting services to individuals and companies in Switzerland. The company offers services such as tax returns, legal advice, family office setup and other specialized solutions.

Fiduciary Offices
View profile5(13)
AVITAX AG Logo

AVITAX AG 

St. Gallen · Since 2024

The company's core activity is tax consulting and optimization for companies and private individuals, including the preparation of tax reports, the development of tax strategies and support in succession planning, restructuring and reorganization.

Fiduciary Offices
View profile5(12)
Conbuch AG Logo

Conbuch AG 

Thun · Since 2010

The core activity of Conbuch AG is the brokerage and sale of Swiss company shells, in particular joint-stock companies (AG) and GmbHs, as well as the provision of trust services, such as fiduciary management, executive management and board of directors mandates, company domicile, office services and accounting.

Fiduciary Offices
View profile4.7(12)
CORTI SPLEISS Management AG Logo

CORTI SPLEISS Management AG 

Winterthur · Since 2006

CORTI SPLEISS Management AG offers construction-related services across the project lifecycle, including project development, building execution as builder and general contractor, construction management, planning and consulting.

Fiduciary Offices
View profile3.9(12)
Avadis Finanzpartner AG Logo

Avadis Finanzpartner AG 

Aarau · Since 2002

The core activity of Dörig & Partner AG is the provision of financial services, particularly in the areas of financial planning, pension planning, tax planning and succession planning for small and medium-sized enterprises (SMEs) and their owners. The company offers consulting, planning and implementation of financial strategies, pension concepts and tax solutions to enable customers to achieve an optimal financial situation.

Fiduciary Offices
View profile4.7(12)
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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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