Company lists · Data refreshed September 2026

Top 25 Telecom engineering contractors based in Switzerland

Name: Telecom engineering contractors based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 136 companies tracked

RevenueBase identified 136 telecom engineering contractors headquartered in Switzerland as of September 2026 and tracks 3,206 professional contacts across them, including 1,238 with verified work emails. Zurich is the largest hub.

This list covers telecom engineering contractors headquartered in Switzerland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

136Companies

3,206Contacts tracked

1,238Verified emails

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The 25 largest telecom engineering contractors based in Switzerland

Ranked by team size

Top 25 of 136 telecom engineering contractors based in Switzerland, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom engineering contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Cablex AG	Indirect evidence	Muri Bei Bern, SwitzerlandHQ checked Sep 19, 2026	1,001-5,000	1,091 contacts →
	Indirect evidence “Connected for the future with cablex.” Source: RevenueBase Database · checked Sep 19, 2026
2	Connect44	Partial evidence	Lucerne, SwitzerlandHQ checked Sep 19, 2026	1,001-5,000	517 contacts →
	Partial evidence “The Only Telecoms Service Provider You Need As one of Europe’s largest independent, vendor-agnostic, fixed & mobile services and solutions providers, we offer a comprehensive…” Source: RevenueBase Database · checked Sep 19, 2026
3	Swisspro AG	Indirect evidence	Urdorf, SwitzerlandHQ checked Sep 19, 2026	201-500	167 contacts →
	Indirect evidence “Die swisspro AG ist im elektrotechnischen Bau und Unterhalt von Gewerbe- und Industrieimmobilien sowie im Bereich ICT-Lösungen für Geschäftskunden tätig.” Source: RevenueBase Database · checked Sep 19, 2026
4	Egg-Telsa SA	Partial evidence	Genève, SwitzerlandHQ checked Sep 19, 2026	201-500	163 contacts →
	Partial evidence “Company overview Egg-Telsa SA is an engineering and contracting firm engaged in electrical & voice/data installations.” Source: RevenueBase Database · checked Sep 19, 2026
5	IUB Engineering LTD	Partial evidence	Bern 14, SwitzerlandHQ checked Sep 19, 2026	201-500	156 contacts →
	Partial evidence “IUB Engineering AG has been an overall planner for infrastructure systems for over 50 years.” Source: RevenueBase Database · checked Sep 19, 2026
6	Multinet Communication AG	Indirect evidence	Zürich, SwitzerlandHQ checked Sep 19, 2026	201-500	66 contacts →
	Indirect evidence “MultiNet Communication ist die erste Adresse für ganzheitliche Lösungen in Telekommunikationsanlagen der Deutschschweiz.” Source: RevenueBase Database · checked Sep 19, 2026
7	Circet Switzerland	Indirect evidence	Zürich, SwitzerlandHQ checked Sep 19, 2026	51-200	57 contacts →
	Indirect evidence “Circet ist der führende Anbieter von Infrastrukturdiensten für Telekommunikationsunternehmen in Europa.” Source: RevenueBase Database · checked Sep 19, 2026
8	Cablegroup AG	Indirect evidence	Töss, SwitzerlandHQ checked Sep 19, 2026	51-200	52 contacts →
	Indirect evidence “Cablegroup AG: Die Spezialistin für Kabelnetze und Installationen Die Cablegroup AG wurde im Jahr 2005 als Tochterunternehmen der Komtech AG gegründet.” Source: RevenueBase Database · checked Sep 19, 2026
9	Duvoisin Groux SA	Indirect evidence	Bussigny, SwitzerlandHQ checked Sep 19, 2026	51-200	40 contacts →
	Indirect evidence “Fondé en 1947, Duvoisin-Groux SA, actif dans toute la Suisse romande, emploie une centaine de collaborateurs qualifiés et expérimentés, répartis dans quatre domaines d’activités -…” Source: RevenueBase Database · checked Sep 19, 2026
10	Saphir Group Networks	Partial evidence	Lausen, SwitzerlandHQ checked Sep 19, 2026	51-200	30 contacts →
	Partial evidence “Kommunikationsnetze Engineering, Montage & Wartung auf höchstem Niveau.” Source: RevenueBase Database · checked Sep 19, 2026
11	Maréchaux Electricité SA	Indirect evidence	Crissier, SwitzerlandHQ checked Sep 19, 2026	51-200	26 contacts →
	Indirect evidence “Maréchaux fascine car ses performances ont un seul objectif, aller de l'avant.” Source: RevenueBase Database · checked Sep 19, 2026
12	Helltec Engineering AG	Indirect evidence	Rothenburg, SwitzerlandHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “Für zuverlässige und hochverfügbare Breitbandversorgung setzt unser Team auf maßgeschneiderte und neuartige Lösungen.” Source: RevenueBase Database · checked Sep 19, 2026
13	Elektro Rhyner AG	Indirect evidence	Glarus, SwitzerlandHQ checked Sep 19, 2026	51-200	21 contacts →
	Indirect evidence “Elektro Rhyner AG - Kommunikation unter Strom” Source: RevenueBase Database · checked Sep 19, 2026
14	WD Comtec AG	Indirect evidence	Schönenwerd, SwitzerlandHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence “Wir sind ein spezialisiertes Generalunternehmen im Bereich Telekommunikation und Netzbau.” Source: RevenueBase Database · checked Sep 19, 2026
15	Laydevant SA	Indirect evidence	Plan-les-ouates, SwitzerlandHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “exploitation d'une entreprise d'installation générale d'électricité et de télécommunications, bureau d'études techniques, fabrication et vente d'appareils électriques…” Source: RevenueBase Database · checked Sep 19, 2026
16	Atside AG	Indirect evidence	Reinach, SwitzerlandHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “Als Dienstleistungsunternehmen im IT- und Kommunikationssektor entwickelt, realisiert, betreibt und unterhält atside AG Infrastrukturen aus genannten Bereichen.” Source: RevenueBase Database · checked Sep 19, 2026
17	Bürki Electric AG	Indirect evidence	Steffisburg, SwitzerlandHQ checked Sep 19, 2026	11-50	16 contacts →
	Indirect evidence “Bürki Electric gilt immer öfter als bevorzugter Partner für anspruchsvolle Steuerungen und Schaltanlagen.” Source: RevenueBase Database · checked Sep 19, 2026
18	Infra-Com Swiss AG	Indirect evidence	Sursee, SwitzerlandHQ checked Sep 19, 2026	51-200	16 contacts →
	Indirect evidence “Infra-Com Swiss AG – B2B infrastructure partner for ICT, fibre optics, campus networks and hospitality Infra-Com Swiss AG plans, builds, documents and operates mission-critical…” Source: RevenueBase Database · checked Sep 19, 2026
19	Haveco AG	Indirect evidence	Thun, SwitzerlandHQ checked Sep 19, 2026	11-50	15 contacts →
	Indirect evidence “Als versierter Dienstleister im Netzbau, bieten wir Ihnen umfangreiche Lösungen aus einer Hand.” Source: RevenueBase Database · checked Sep 19, 2026
20	NCK Engineering	Indirect evidence	Wetzikon, SwitzerlandHQ checked Sep 19, 2026	1-10	14 contacts →
	Indirect evidence “Wir berechnen, planen und bauen Ihr Strom- und Kommunikationsnetz und unterstützen Sie in allen Belangen zum Bau und Unterhalt.” Source: RevenueBase Database · checked Sep 19, 2026
21	BTC	Indirect evidence	Baden-dättwil, SwitzerlandHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “Die btc.jost AG ist ein aufstrebendes Unternehmen, welches sich zum Ziel gemacht hat, flexible und effiziente IT und Kommunikationslösungen anzubieten.” Source: RevenueBase Database · checked Sep 19, 2026
22	Suter & Bähler Installationen	Indirect evidence	Stadtkreis 3 Wiedikon, SwitzerlandHQ checked Sep 19, 2026	51-200	13 contacts →
	Indirect evidence “Suter & Bähler Installationen AG Ihr kompetenter Partner für Planung, Herstellung, Vertrieb und Installation von Telekommunikationsausrüstungen uvm: Willkommen” Source: RevenueBase Database · checked Sep 19, 2026
23	Lightcom AG	Indirect evidence	Holderbank Ag, SwitzerlandHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “Ihr Partner für die Kommunikation mit Glasfasern Die LightCom AG ist eine selbständige Aktiengesellschaft, welche 1998 gegründet wurde.” Source: RevenueBase Database · checked Sep 19, 2026
24	Netconstruction Gmbh	Indirect evidence	Dübendorf, SwitzerlandHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Unser erfahrenes Team besteht aus qualifizierten Ingenieuren, Technikern und Handwerkern, die über fundierte Kenntnisse in allen Aspekten des Netzbau verfügen.” Source: RevenueBase Database · checked Sep 19, 2026
25	Götz Elektro AG	Indirect evidence	Höri, SwitzerlandHQ checked Sep 19, 2026	51-200	11 contacts →
	Indirect evidence “Durch unsere Standorte in Höri, Embrach und der Stadt Zürich sind wir immer nahe bei unseren Kunden und können deshalb einen schnellen Service anbieten.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom engineering contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecom engineering contractors.
Partial evidence: Its own public description names part of telecom engineering contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom engineering contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 136 telecom engineering contractors based in Switzerland

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Telecom engineering contractors based in Switzerland at a glance

As of Sep 19, 2026

38.6%Verified-email coverage

23.6Average contacts per company

11-50Median size (employees)

6.6%Largest-city concentration · Zurich

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 136 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom engineering contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Switzerland whose own description of what they do matches “telecom engineering contractors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom engineering contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among telecom engineering contractors, and records with no verified work email. Companies headquartered outside Switzerland are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,238 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom engineering contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many telecom engineering contractors are there based in Switzerland?

RevenueBase identified 136 telecom engineering contractors headquartered in Switzerland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Cablex AG, headquartered in Muri Bei Bern, tops this list with the largest team on record.

Which city has the most telecom engineering contractors?

Zurich leads with 9 headquartered companies, followed by Dubendorf (4) and Lausanne (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,238 verified decision-maker contacts tracked across these 136 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.