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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,816 companies indexed · Last updated: today
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320 companies found

Sigmology GmbH Logo

Sigmology GmbH 

Zollikerberg · Since 2021

The core activity of Sigmology GmbH is to provide solutions and services in the areas of safety and system technology for companies. Specifically, this includes: Functional safety (e.g. hazard and operability analysis, failure mode and effects analysis, SIL verification), Industrial cybersecurity (e.g. protection of systems, secure product development), Model-based systems engineering (MBSE, e.g. SysML consulting and training, plugin development). The company supports customers in meeting their requirements in these areas and offers long-term, partnership-based relationships.

Technical Consulting & Engineering
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Simic Reinigungen Logo

Simic Reinigungen 

Zollikerberg · Since 2016

The core activity of Simic Reinigungen is the professional cleaning of various types of premises, including apartments, offices, medical practices and windows.

Facility Management & Cleaning
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Terra Patrol Security GmbH Logo

Terra Patrol Security GmbH 

Zollikerberg · Since 2024

Security Services
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terraqua engineering AG Logo

terraqua engineering AG 

Zollikerberg · Since 2019

The core activity of Terraqua Engineering AG is the planning, evaluation and monitoring of geotechnical and hydraulic structures, including foundations, underground constructions, dams, river dykes and other water retention facilities. The company also provides services in the field of risk assessment and minimization of natural hazards such as slope instabilities and rockfalls. Furthermore, Terraqua develops and implements innovative solutions for the monitoring and testing of geotechnical structures, including the use of fibre optic technology.

Technical Consulting & Engineering
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UNit AG Logo

UNit AG 

Zollikerberg · Since 2018

Holding Companies
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2E

2 Eichen GmbH 

Zollikerberg · Since 2010

Real Estate Project Development
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5G

5FLY GmbH 

Zollikerberg · Since 2014

Advertising Agencies
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AG

A1CH-Rep GmbH 

Zollikerberg · Since 2023

Other Service Industries
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AE

A.A. Entertainment GmbH 

Zollikerberg · Since 2011

Other Service Industries
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AE

Adequat Energy AG 

Zollikerberg · Since 2012

Private Equity & Venture Capital
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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.