Telecommunications in Winterthur

Companies

All 12 companies in Winterthur

VOLTA Elektro und Telecom AG

Since 1979

Electrical installationsTelecommunicationsPatient call systems

View profile5(15)

AMS All Mobile Service AG

Since 1982

ConsultingRepairsSubscription and device management

View profile4.5(87)

Init7 (Schweiz) AG

Since 2000

Fiber7 Business InternetFiber7Easy7

View profile4.6(573)

solution.ch AG

Since 2001

Websites & Web applicationsSolutionCMSHosting & Cloud

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Suissephone Communications GmbH

Since 2005

Telecommunications subscriptionsInternet connectionFixed-line telephony

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InterXS AG

Since 2018

Internet plansInternet for gamersInternet switching

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netconnect AG

Since 2020

Business InternetHome InternetSite interconnection (MPLS)

View profile4.3(27)

N-Technik GmbH

Since 2021

Fibre optic installationNetwork constructionPlanning and consulting

View profile5(2)

Multifiber GmbH

Since 2023

Fibre splicing connection technologyIn-house installationsMeasurement technology for network construction

View profile5(1)

Schultheis-Möckli AG

Since 1968

View profile4.6(5)

TR

TequilaCom, Reto Lu

Since 2004

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OG

OneCom GmbH

Since 2012

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Telecommunications in Winterthur

12TelecommunicationsCommercial register (Zefix) · as of August 26, 2026

2005Median year of registrationCommercial register (Zefix) · as of August 26, 2026

236in the Canton of ZurichCommercial register (Zefix) · as of August 26, 2026

1,215in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Telecommunications in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Zurich85 Dietikon13 Schlieren9 Glattpark (Opfikon)7 Glattbrugg5 Urdorf5

Place axis

Other industries in Winterthur

All companies in Winterthur

IT Consulting & Services246 Management Consulting226 Software Development203 Restaurants203 Coaching & Personal Development158 Technical Consulting & Engineering155 Architecture Firms154 Advertising Agencies134 Property Management125 Facility Management & Cleaning123 Fiduciary Offices121 Online Shops88 Hair Salons86 Continuing Education Institutes85 Painting & Plastering83 Auto Repair Shops79 NGOs & NPOs76 Real Estate Brokerage76 Beauty Salons74 Real Estate Project Development70 Holding Companies63 Automotive & Vehicle Trade63 Psychiatry & Psychotherapy60 Cultural & Educational Organizations58 Recruitment & HR Consulting56 Logistics & Transport Companies56 Flooring & Tiling54 Trade Fair & Event Organizers52 Sports & Recreation Instruction52 General Contractors51 Other Service Industries50 Construction & Project Management49 Film & TV Production48 Electrical Planning & Installation47 Plumbing & Building Services46 Retail - Textiles & Clothing46 Clubs, Bars & Event Venues46 Photography44 Wellness & SPA Facilities43 Horticulture & Landscaping42 Interior Construction42 Housing Cooperatives41 Textile & Clothing Industry40 Retail - General Specialty Trade40 Mechanical Engineering Industry39 Naturopathic Clinics38 Web Portals & Platform Companies38 Sealing & Insulation37

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Telecommunications inWinterthur

All 12 companies in Winterthur

Telecommunications in the region

Telecommunications in other places

Other industries in Winterthur

Telecommunications in
Winterthur