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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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47'128 companies found

Gruner AG Logo

Gruner AG 

Zurich · Since 2018

Gruner AG is an independent engineering consultancy providing planning and engineering services in building construction, infrastructure and energy. Its services include structural and geotechnical engineering, building services design, water resource and transport infrastructure engineering, environmental and safety engineering, and digital engineering across project phases.

Owner's Representative
View profile4(6)
Gruner Stucky SA Logo

Gruner Stucky SA 

Zurich · Since 2015

Gruner Stucky SA is a branch of the Gruner group focused on the energy sector. Its Paris office serves as a recruitment hub for engineers working in energy production, transmission and distribution.

Technical Consulting & Engineering
View profile4(6)
gyselroth GmbH Logo

gyselroth GmbH 

Zurich · Since 1996

The core activity of gyselroth GmbH is the development of digital solutions for educational institutions as well as the creation of brand strategies, branding and digital products. The company supports the digital transformation of companies, start-ups and organizations by creating unique brand experiences and high-quality digital products.

Advertising AgenciesSoftware Development
View profile5(6)
Haas & Company AG Logo

Haas & Company AG 

Zurich · Since 2016

The core activity of Haas & Company AG is the provision of logistical services for the art and cultural goods market. This includes in particular: * Transportation and handling of artworks and cultural goods * Packaging and crate construction * Storage and customs clearance * Installation and assembly of artworks * Services for art fairs and exhibitions The company offers these services both in Switzerland and worldwide, working closely with a network of partners.

Logistics & Transport Companies
View profile4.8(6)
hairinspo gmbh Logo

hairinspo gmbh 

Zurich · Since 2022

The company's core activity is providing services in the hairdressing and coiffure sector, including haircuts, styling and other hairdressing services.

Hair Salons
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Hairstyling & Make-up Andrea Soller Logo

Hairstyling & Make-up Andrea Soller 

Zurich · Since 2007

The company's core activity is providing services in the field of hairdressing, styling and make-up, including hair cutting, coloring, blow-drying, type consulting and cosmetic treatments.

Hair Salons
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hajni GmbH Logo

hajni GmbH 

Zurich · Since 2023

The company hajni is engaged in the development of digital products and solutions, particularly in the field of User Experience (UX) design. The core activity includes the conception, design and implementation of digital products, systems and solutions, taking into account design thinking, user research, usability testing and emotional design. The company supports customers in defining business goals, developing individual solutions and improving existing products to create added value for users.

IT Consulting & Services
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Heinz Gertsch AG Logo

Heinz Gertsch AG 

Zurich · Since 1995

The core activity of Heinz Gertsch AG is the planning, installation and maintenance of heating systems, including district heating, heat pumps, solar systems, gas heating and oil heating, as well as pipeline construction and conversions in the field of building technology.

Plumbing & Building Services
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HILDEBRAND STUDIOS AG Logo

HILDEBRAND STUDIOS AG 

Zurich · Since 2011

HILDEBRAND is an architectural firm specializing in the planning and realization of construction projects. The company's core activity encompasses the creation of projects in the fields of architecture, urban planning, and interior design, with a focus on sustainable, functional, and creative solutions. The company offers services such as design, planning, and realization of buildings, apartments, office buildings, public facilities, and urban development projects.

Architecture Firms
View profile4.5(6)
Hitachi Energy Holdings AG Logo

Hitachi Energy Holdings AG 

Zurich · Since 2020

Hitachi Energy Holdings AG is a provider of power and grid technologies offering products and solutions such as transformers, high‑voltage switchgear and breakers, HVDC systems, power conversion, energy storage and grid software. The company also delivers services and consulting including installation, maintenance, upgrades and energy consulting for utilities, renewable‑energy projects and industrial markets.

Holding Companies
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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.