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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,808 companies indexed · Last updated: today
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139 companies found

Crystal Consulting GmbH Logo

Crystal Consulting GmbH 

Schaffhausen · Since 2008

The core activity of Crystal Consulting GmbH is the strategic consulting and moderation of companies, particularly SMEs and public institutions, in the development and implementation of business strategies, with a focus on ESG topics (Environment, Social and Governance) and innovative approaches.

Management Consulting
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dlz Elektro GmbH Logo

dlz Elektro GmbH 

Schaffhausen · Since 2005

The core activity of DLZ Elektro GmbH encompasses the provision of services in the areas of electrical installations, electrical inspections, switchgear construction, telematics and electrical planning. The company offers its customers a wide range of electrical services and positions itself as a reliable partner for all electrical matters.

Electrical Planning & InstallationElectrical Industry
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Dr. Werner Menk Giessereiberatungen Logo

Dr. Werner Menk Giessereiberatungen 

Schaffhausen · Since 2019

The core activity of WM-Giessereiberatungen is consulting and expertise in the fields of foundry technology, casting materials and metallurgy.

Technical Consulting & Engineering
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Hodel Umweltberatung GmbH Logo

Hodel Umweltberatung GmbH 

Schaffhausen · Since 2021

The core activity of Hodel Umweltberatung GmbH is the provision of consulting services in the field of environment and sustainability, particularly in the following specific activities: environmental consulting, expert opinions, environmental communication, owner support, and overall management of infrastructure projects. These activities are aimed at private and public operators of environmentally relevant infrastructure facilities as well as authorities.

Sustainability Sector
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IDD Solutions GmbH Logo

IDD Solutions GmbH 

Schaffhausen · Since 2022

IDD Solutions GmbH primarily focuses on implementing IPD (Integrated Project Delivery), VDC (Virtual Design and Construction), and BIM (Building Information Modeling) in construction and infrastructure projects. Their core activities include digitally transforming construction projects through the application of 3D modeling, BIM2GIS, drone technology, and Metaverse Academy. They also offer training and certification in VDC and BIM, and support their clients in implementing efficient workflows and digital solutions in their projects.

IT Consulting & Services
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Immfin AG Logo

Immfin AG 

Schaffhausen · Since 2003

Immfin AG provides consultancy services in real estate and financial planning. Services include project development, property marketing and management, concept planning and commercial property portfolio development, as well as investments in high-yield properties and advisory services for third parties.

Property ManagementReal Estate Project Development
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JOZO'Z GmbH Logo

JOZO'Z GmbH 

Schaffhausen · Since 2022

The core activity of Jozo'z GmbH encompasses a wide range of services for homes and businesses, including: cleaning services (specialized cleaning, industrial cleaning, final cleaning, carpet cleaning, furniture cleaning), renovations and repairs (painting, masonry, plastering, flooring), move management and organization, garden and pool maintenance, house and business clearance, winter services, and facility management (technical maintenance, caretaker services). The company thus offers a comprehensive range of services tailored to the needs of private households and businesses.

Facility Management & Cleaning
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JTL GmbH Logo

JTL GmbH 

Schaffhausen · Since 2018

Logistics & Transport Companies
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kommpass holding gmbh Logo

kommpass holding gmbh 

Schaffhausen · Since 2024

kommpass holding gmbh provides marketing and communications services for small and medium-sized enterprises and public clients, including marketing strategy, communication planning, campaigns, branding, website and webshop development, online marketing, social media management, photography and copywriting.

Holding Companies
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Leibacher Sanitär GmbH Logo

Leibacher Sanitär GmbH 

Schaffhausen · Since 2018

Leibacher Sanitär GmbH is a plumbing company that provides service, maintenance and repairs as well as renovation and new-build installations in building sanitation. Services include full sanitary planning, sewerage planning and coordination of plumbing with heating, ventilation and electrical trades.

Plumbing & Building Services
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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.