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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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8'099 companies found

Prolan Systems AG Logo

Prolan Systems AG 

St. Gallen · Since 1989

The core activity of prolan systems ag is IT consulting.

IT Consulting & Services
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PROLICHT Schweiz GmbH Logo

PROLICHT Schweiz GmbH 

St. Gallen · Since 2023

Prolicht is a manufacturer of lighting systems, particularly for outdoor lighting, and offers individually configurable lighting solutions for various application areas, such as architecture, landscape and garden lighting. The company's core activity encompasses the development, production and distribution of lighting systems that focus on efficiency, sustainability and aesthetics.

Industrial & Product Design
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ProLiva Group AG Logo

ProLiva Group AG 

St. Gallen · Since 2021

The company's core activity is the professional management of properties and apartments, including the administration of rental contracts, maintenance and repairs, as well as the handling of all financial matters. Additionally, the company offers services in the area of property development, management of property purchases and sales, and consulting for the search of real estate.

Property Management
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PROTONEA SENGER Logo

PROTONEA SENGER 

St. Gallen · Since 2016

The core activity of Protonea Senger is the development and distribution of consumer goods, particularly the creation of solutions for everyday problems by combining modern technologies from various fields such as optics, mechanics, electromagnetism and electronics with methods of data processing and control engineering.

Research & Development
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P & S Frischknecht Logo

P & S Frischknecht 

St. Gallen · Since 1992

P & S Frischknecht is an interior architecture firm. The practice is led by Peter Frischknecht (dipl. interior architect) and Susi Frischknecht (dipl. interior architect) and provides interior architecture services.

Architecture Firms
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Psychotherapie Studerus GmbH Logo

Psychotherapie Studerus GmbH 

St. Gallen · Since 2023

The company's core activity is the provision of psychotherapeutic services, including psychotherapy and psychological counseling, for adolescents, adults, couples and families, by a group of federally recognized psychotherapists and specialist psychologists.

Psychiatry & Psychotherapy
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psychoWare Software GmbH Logo

psychoWare Software GmbH 

St. Gallen · Since 2008

The core activity of psychoWare Software GmbH is the development of software solutions for psychotherapeutic outpatient clinics and training centers in the German-speaking region. In particular, the company offers solutions for managing patient data, documenting therapy courses, billing services, and ensuring the quality of psychotherapeutic treatments.

Software Development
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Psych Spitex Ost GmbH Logo

Psych Spitex Ost GmbH 

St. Gallen · Since 2017

Home Care Services
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P & S Zahntechnik GmbH Logo

P & S Zahntechnik GmbH 

St. Gallen · Since 2017

The core activity of P & S Zahntechnik GmbH is dental technology, particularly prosthodontics.

Medical Technology Industry
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Putztüfel Team GmbH Logo

Putztüfel Team GmbH 

St. Gallen · Since 2007

The core activity of Putzteufel is professional building cleaning, including move-out cleaning and maintenance cleaning for private individuals and companies.

Facility Management & Cleaning
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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.