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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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Cityfrauenfeld
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2'385 companies found

Hansi GmbH Logo

Hansi GmbH 

Frauenfeld · Since 2020

The company's core activity is the operation of a gastronomic establishment, particularly a restaurant or a filling station, offering various services such as lunch, breakfast, pop-up events and private events. Additionally, an exhibition space for historical brass instruments of the Wolf brand is operated.

Restaurants
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Hans Keller Energietechnik AG Logo

Hans Keller Energietechnik AG 

Frauenfeld · Since 2000

The core activity of Hans Keller Energietechnik is the planning, installation, maintenance and repair of heating, ventilation and sanitary systems, as well as the provision of energy services such as energy consulting and optimization.

Plumbing & Building Services
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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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HATHI GmbH Logo

HATHI GmbH 

Frauenfeld · Since 2014

Retail - General Specialty Trade
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Hé AG für Kommunikation, Frauenfeld Logo

Hé AG für Kommunikation, Frauenfeld 

Frauenfeld · Since 1990

Advertising AgenciesPublic Relations Consulting
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Heimbräu GmbH Logo

Heimbräu GmbH 

Frauenfeld · Since 2024

The core activity of Heimbräu is the production and sale of beer. The company also offers the possibility to create individual beers for special occasions.

Beverage Industry
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heiz-medSystems Logo

heiz-medSystems 

Frauenfeld · Since 2010

The core activity of Heiz-MedSystems GmbH is the planning, execution, maintenance and repair of medical gas supply systems, including the representation and representation of Heyer Aerotech GmbH for Switzerland.

Specialized Construction Installations
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Helen Hartmann Treuhand + Verwaltung Logo

Helen Hartmann Treuhand + Verwaltung 

Frauenfeld · Since 1998

Helen Hartmann Treuhand + Verwaltung provides fiduciary and administrative services, including bookkeeping, tax preparation and advice, property management and sales/brokerage, company formation and business consulting, and estate execution services.

Fiduciary Offices
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Helvepharm AG Logo

Helvepharm AG 

Frauenfeld · Since 2001

The core activity of Zentiva is the development, production and marketing of generics, i.e. cost-effective copycat medicines, in various therapeutic areas, including oncology.

Pharmaceutical Industry
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High-Clean AG, Oberwil Logo

High-Clean AG, Oberwil 

Frauenfeld · Since 1992

Electrical Industry
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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.
Per page
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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.