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

DirectorySearch the company directory

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Citywinterthur

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Matching companies

7'410 companies found

Biogas International GmbH

Winterthur · Since 2021

Energy Industry

BISS-Society AG

Winterthur · Since 2001

Management Consulting

Bistro George GmbH

Winterthur · Since 2022

Bithive GmbH

Winterthur · Since 2022

IT Consulting & ServicesSoftware Development

Björn Ramseger Consulting

Winterthur · Since 2024

Continuing Education Institutes

B. Käslin, Holzbau

Winterthur · Since 2000

Timber Construction & Carpentry

BKB Armierungen GmbH

Winterthur · Since 2015

Specialized Construction Activities

Black Mesa AG

Winterthur · Since 2019

Holding Companies

B. Lahzami Autotransporte

Winterthur · Since 2021

Logistics & Transport Companies

Blasucci Rechts-, Steuer- und Unternehmensberatung

Winterthur · Since 2006

Management Consulting

blaupause GmbH

Winterthur · Since 2017

Management Consulting

BLESS ARCHITEKTUR

Winterthur · Since 2015

Architecture Firms

Blitz Blank GmbH

Winterthur · Since 2001

Facility Management & Cleaning

Blitzreinigung GmbH

Winterthur · Since 2023

Facility Management & Cleaning

BloomVision M. Kraljevic

Winterthur · Since 2024

Management Consulting

Blue Management Consulting GmbH

Winterthur · Since 2015

Management Consulting

Blum Con, Unternehmensberatung + praktische Umsetzung

Winterthur · Since 2001

Management Consulting

Blumen Ullmann

Winterthur · Since 2010

Retail - Flowers & Plants

BLUMER CPC GMBH

Winterthur · Since 2014

Advertising Agencies

Blumer Communication & Consulting GmbH

Winterthur · Since 2005

Public Relations Consulting

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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.