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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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3'289 companies found

Gartenmann Engineering AG Logo

Gartenmann Engineering AG 

Basel · Since 2014

Gartenmann Engineering AG is an engineering firm for acoustics and building physics that delivers specialist services for construction projects. Its offerings include sustainability and energy consulting, life-cycle/eco-balance assessments, pollutant analyses, fire-protection concepts, noise and room-acoustics consulting, and measurement and simulation services.

Technical Consulting & Engineering
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Hägi Treuhand AG Logo

Hägi Treuhand AG 

Basel · Since 1974

The core activity of Hägi Treuhand AG is the provision of trust services, including accounting, tax consulting and other related services typically offered by a trust office.

Fiduciary Offices
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HB&P Treuhand AG Logo

HB&P Treuhand AG 

Basel · Since 1982

The core activity of HB&P Treuhand AG is the provision of services in the fields of trust and auditing, including accounting and controlling, tax consulting, corporate consulting, succession planning, legal consulting and CFO services.

Fiduciary Offices
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Keiala AG Logo

Keiala AG 

Basel · Since 2019

IT Consulting & ServicesSoftware Development
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LOOMION AG Logo

LOOMION AG 

Basel · Since 2013

The core activity of Loomion AG is the development and distribution of Board Management Software specifically designed for the management of board meetings and documents. The software enables companies to digitize and optimize their meeting management, document management and communication processes.

IT Consulting & ServicesIT Infrastructure & CloudSoftware Development
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Ludwig + Partner AG Logo

Ludwig + Partner AG 

Basel · Since 2010

The company's core activity is tax and structure planning for companies, particularly in the areas of real estate projects and transactions, as well as legal and tax consulting for companies, including Mergers & Acquisitions, corporate law and international tax law.

Law Firms & Notary Offices
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NNIT Switzerland AG Logo

NNIT Switzerland AG 

Basel · Since 2008

NNIT is an IT service provider specializing in the life sciences, public and private sectors. The company's core activities include the development and implementation of IT solutions for the pharmaceutical industry, including data and AI analytics, cloud computing, cybersecurity, SAP and Veeva solutions. In addition, NNIT offers services in the areas of quality management, regulatory affairs and compliance. The company supports its customers in digitizing their processes and helps them optimize their business processes.

IT Consulting & Services
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Personalfürsorgestiftung der SES-Ernst Hess & Cie. AG Logo

Personalfürsorgestiftung der SES-Ernst Hess & Cie. AG 

Basel · Since 1968

Pension Funds
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ARX Gruppe AG Logo

ARX Gruppe AG 

Basel · Since 2024

Technical Consulting & Engineering
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W&S Partner AG Logo

W&S Partner AG 

Basel · Since 2022

Real Estate Brokerage
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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.