Directory Industries KnowledgeComparisonsSoon

Sign in Check visibility

Recognised by the
HSG Startup Label

The first Swiss company directory, built to boost AI visibility.

Product

Pricing
Directory
Industries

Company

About
Contact
Legal

© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,816 companies indexed · Last updated: today

DirectoryTelecommunications

Telecommunications

Filters

IndustryIT & CommunicationIndustryTelecommunications

Search results

Matching companies

1'210 companies found

TRN Téléréseau de la Région Nyonnaise SA

Nyon 2 · Since 1999

Telecommunications

TSS - Telecommunication Support Services AG

Stäfa · Since 2000

Telecommunications

TTelecom SA

Lugano · Since 2012

Telecommunications

TurnKey Communication AG

Root D4 · Since 2003

Telecommunications

TV-Antennengenossenschaft Region Plaffeien

Oberschrot · Since 1976

Telecommunications

TvT Services SA

Renens Vd · Since 1999

Telecommunications

UNIKO TELECOM SA

Since 2024

Telecommunications

Update24 GmbH

Möhlin · Since 2023

Telecommunications

van der Gijp Barendregt

Ovronnaz · Since 2017

Telecommunications

VELOXNumeric Sàrl

Le Mont-Sur-Lausanne · Since 2013

Telecommunications

VELOX Invest SA

Le Mont-Sur-Lausanne · Since 2020

Telecommunications

Vericom Broadcast AG

Sursee · Since 2002

Telecommunications

Vertical-Com S.à r.l.

Aclens · Since 1998

Telecommunications

VIVA TELECOM (SUISSE) SA

Geneva · Since 2015

Telecommunications

Vogel PM

Abtwil Sg · Since 2024

Telecommunications

VOICE IP COMMUNICATIONS GmbH

Rümlang · Since 2004

Telecommunications

VoiceLink.ch by Christoph Walter

Rapperswil Sg · Since 2011

Telecommunications

Voipswitch AG

Cham · Since 2010

Telecommunications

Von Allmen Ernst Consulting

Nyon · Since 2004

Telecommunications

VOX telecom SA

Vésenaz · Since 2003

Telecommunications

Outbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub

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

1
58
59

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.