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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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Citywinterthur
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7'410 companies found

Swiss Casino Winterthur AG Logo

Swiss Casino Winterthur AG 

Winterthur · Since 2022

Casinos & Gambling
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SWISSclaiming GmbH Logo

SWISSclaiming GmbH 

Winterthur · Since 2022

The core activity of SWISSclaiming GmbH is to support music labels, music collectives and musicians in enforcing their neighbouring rights in Switzerland.

Debt Collection Agencies
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SWISScomb GmbH Logo

SWISScomb GmbH 

Winterthur · Since 2015

SWISScomb GmbH designs and supplies engineering, execution and installation solutions for waste-to-energy and hazardous waste incineration plants, including modular moving-grate combustion systems. Its services include conceptual engineering, in-house fabrication, assembly and commissioning, as well as maintenance and spare parts.

Technical Consulting & EngineeringMechanical Engineering Industry
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Swiss Drug Testing GmbH Logo

Swiss Drug Testing GmbH 

Winterthur · Since 2018

The core activity of Swiss Drug Testing GmbH is the analysis and quantification of cannabinoids, pesticides, mycotoxins and other substances in cannabis products, food and hemp products. The company provides laboratory services to verify and ensure the quality and safety of these products.

Medical Laboratories
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Swiss Emporium GmbH Logo

Swiss Emporium GmbH 

Winterthur · Since 2023

Swiss Emporium GmbH operates the Tasnim online shop offering dietary supplements, natural oils and organic cosmetic products. The product range includes black seed oil, omega‑3 supplements, vitamins and plant-based cosmetic oils.

Online ShopsRetail - Health & Cosmetics
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Swiss Exams GmbH Logo

Swiss Exams GmbH 

Winterthur · Since 1998

Swiss Exams GmbH provides exam management and administration services for international language tests and conducts examinations such as Cambridge English, Goethe, IELTS, Linguaskill and TCF. Services include candidate registration, exam logistics, result and certificate management, computer-based and remote-proctored assessments, and online exam preparation via the Swiss Exams Academy.

Continuing Education Institutes
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Swiss Exams Services GmbH Logo

Swiss Exams Services GmbH 

Winterthur · Since 2004

Swiss Exams Services GmbH is an organisation specialising in exam management and the administration of examinations for international exam boards. Services include running and administering language exams (including Cambridge English, Goethe, Linguaskill, IELTS and TCF), computer-based and remote‑proctored formats, and exam preparation and support services for schools, employers and candidates.

Continuing Education Institutes
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swissguide AG Logo

swissguide AG 

Winterthur · Since 2002

swissguide AG operates an online application and business directory that enables users to search for companies, products and brands. The service includes free basic listings, paid enhanced listings and tools for submitting updates and news.

Web Portals & Platform Companies
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Swiss Industrial Supply GmbH Logo

Swiss Industrial Supply GmbH 

Winterthur · Since 2014

The core activity of Swiss Industrial Supply GmbH is the distribution of spare parts and the provision of maintenance services for the textile industry, particularly for extrusion spinning machines for synthetic fibers.

Wholesale - Spare Parts & Residual Materials
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Swiss Peak Performance GmbH Logo

Swiss Peak Performance GmbH 

Winterthur · Since 2017

Swiss Peak Performance GmbH provides training programs and coaching for triathlon and endurance sports. The company also organizes sporting events.

Sports & Recreation Instruction
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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.