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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint731,019 companies indexed · Last updated: today
DirectoryIT & Communication

IT & Communication

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IndustryIT & Communication
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Matching companies

65'883 companies found

Wildix (Switzerland) AG Logo

Wildix (Switzerland) AG 

Zurich · Since 2022

The core activity of Wildix is the development and provision of communication solutions for businesses, particularly Unified Communications as a Service (UCaaS) platforms focused on sales enhancement and optimization. This includes solutions for video conferencing, webinars, contact centers, messaging, VoIP telephony and hardware, as well as systems for collaboration and data tracking.

Software Development
View profile3.7(3)
Wildwebstory, Ellen Habich Logo

Wildwebstory, Ellen Habich 

Zurich · Since 2021

The core activity of Wildwebstory is the creation and design of websites, including web design, text creation and optimization for search engines, as well as the implementation of relaunches and updates of existing websites.

Software Development
View profile5(3)
Wilhelm Sihn AG Logo

Wilhelm Sihn AG 

Mägenwil · Since 1993

The core activity of WISI - Wilhelm Sihn AG is the planning, implementation and support of communication networks, particularly in the field of cable network and home distribution systems, SAT reception systems, IPTV and network technology as well as FTTH components. The company provides consulting, planning, installation and support services for various customers, including cable network operators, telecommunications providers, residential communities, office buildings and public buildings.

Electrical IndustryTelecommunications
View profile3.7(3)
WMMA GmbH Logo

WMMA GmbH 

Buchs Sg · Since 2020

The core activity of WMMA GmbH encompasses the creation and provision of various services in the field of advertising and communication, including: signage, web design and creation of homepages, textile printing, production of advertising videos, and design and printing of print media. Additionally, the company offers consulting services and project management to help customers achieve their communication and advertising goals.

Advertising Agencies
View profile5(3)
WOLLYWEB GmbH Logo

WOLLYWEB GmbH 

Zurich · Since 2007

The core activity of Wollyweb GmbH is the creation and maintenance of websites, with a focus on search engine optimization (SEO), web design and the implementation of online marketing goals. The company supports customers in developing websites tailored to their specific needs and goals, and helps them improve their online presence and attract more visitors and customers.

Advertising Agencies
View profile5(3)
Woonig AG Logo

Woonig AG 

Bottighofen · Since 2020

The core activity of Woonig is the development and provision of a software solution for digital real estate management, which enables the digitization, automation and simplification of real estate management processes for all parties involved. The software offers various modules such as Smart-Ticketing, Communication, STWE/eVoting, Marketing and Rental to support real estate management.

Software DevelopmentWeb Portals & Platform Companies
View profile4.7(3)
Wyna Informatik GmbH Logo

Wyna Informatik GmbH 

Unterkulm · Since 2015

Wyna Informatik GmbH is a systems integrator providing IT services for servers, networks, cloud and security. Services include installation and maintenance of tailored IT infrastructures, email hosting on Swiss servers, cloud storage and backup solutions, and remote support. The company implements and manages network and security products (including Next‑Generation firewalls and Sophos XG) and provides managed services such as antivirus, wireless and web hosting.

IT Consulting & ServicesIT Infrastructure & CloudIT Security
View profile5(3)
Wys Muller Renseignements commerciaux SA Logo

Wys Muller Renseignements commerciaux SA 

Collonge-Bellerive · Since 1954

The company WYS MULLER WIRTSCHAFTSAUSKÜNFTE AG provides economic information and data on companies and individuals, including creditworthiness, stability, management, employees, financial situation, balance sheets, activities and reputation. It also offers subscriptions and specialized information, and has a network of international contacts and agents to disseminate information quickly on a national and international level.

Information & News Services
View profile5(3)
Wyss Engineering Logo

Wyss Engineering 

Schönenbuch · Since 2021

Wyss Engineering provides IT services and products for servers, PCs and networks, including consulting, procurement, installation, configuration, maintenance and support. Offerings include data- and system-backup solutions (e.g. ShadowProtect), mail server setups (Kerio Connect, MDaemon), antivirus products and remote maintenance.

Advertising Agencies
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Wyss-Engineering Logo

Wyss-Engineering 

Solothurn · Since 1989

Wyss-Engineering provides IT services for servers, PCs and networks, including consulting, procurement, installation, configuration, service and maintenance. The company supplies data- and system-backup, antivirus protection, mail-server solutions with webmail and mobile access, and custom software and database development (e.g., MS Access, MySQL, SQL Server).

Software Development
View profile5(3)
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Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

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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.
Per page
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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.