Companies in
Telecommunications

BG Elettro SA

Telecommunications · Locarno · Since 1973

The core activity of BG Elettro Locarno consists of planning, installing and maintaining electrical and telecommunications systems, including the areas of renewable energy generation, domotics and multimedia systems.

BizTelecom Sagl

IT Infrastructure & Cloud · Giubiasco · Since 2022

Bluecom AG

Manufacture of IT Hardware · Dietikon · Since 1992

Bluecom AG provides telecommunications solutions for commercial and utility customers. The company offers engineering, project planning, installation and commissioning of private telephone networks, video surveillance and public address systems, and supplies networking hardware such as E1 gateways and PoE switches.

BLUTEC SA

Telecommunications · Pambio-Noranco · Since 2005

The core activity of Blutec is to provide solutions for companies in the field of communication and information technology. This includes in particular: telephone solutions, printer and copier rental, telephone systems, unified communications solutions, network and security solutions, and IT solutions. The company positions itself as a comprehensive partner for companies, offering a wide range of products and services to meet the communication and IT needs of its customers.

BN AG

IT Infrastructure & Cloud · Zurich · Since 2002

The BN AG company specializes in advising and supporting businesses in their digital transformation and the development of future technologies. They offer their expertise in the areas of digital strategy, technology development and market positioning to support companies in overcoming digital challenges.

Bodensee Engineering GmbH

Telecommunications · Diepoldsau · Since 2018

The core activity of Bodensee Infraworks is the planning, development, consulting and project management of infrastructure projects, particularly in the field of data and communication networks, cable route construction, network construction and maintenance. The company offers a full-service package that ranges from planning to completion and includes: construction and project management, planning and development, consulting, cable route construction, network construction, maintenance, measurement and testing of systems, maintenance and standby services. The company supports customers in the realization of infrastructure projects and offers individual solutions for telecom providers, cable network companies, municipal utilities, municipalities, general contractors, network operators and electrical suppliers.

Bodensee Infraworks GmbH

Telecommunications · Jona · Since 2022

B&S Fibre optique Sàrl

Telecommunications · Chavannes-Sous-Orsonnens · Since 2021

The core activity of B&S Fibre optique Sàrl consists of planning, building, maintaining and operating telecommunications infrastructures, particularly fibre optic networks. This includes: planning and designing fibre optic networks, building fibre optic networks, including laying fibre optic cables, maintaining and operating fibre optic networks, implementing projects for the deployment of fibre optic networks (FTTH or FTTx), installing internal and external fibre optic connections, implementing local and wide area networks (LAN and WAN), using fibre optic technology for infrastructure deployment, and using OPWG technology (Optical Point-to-Point Connections) for fibre optic network deployment.

btc.jost AG

IT Consulting & Services · Dättwil Ag · Since 1999

The company btc offers flexible and efficient information and communication solutions, particularly in the areas of: * IT (ICT systems, client/server environments, virtualization/cloud, Microsoft 365) * Telecommunications (Unified Communication, Voice over IP, Multimedia Contact Center) * Alarming and emergency communication * IT security (firewalls, antivirus/antimalware, client encryption) * Cloud services (IaaS, cloud-based telephony) * Support and services (remote maintenance, customer care) The core activity of the company is to support businesses in planning, implementing and operating their ICT systems and communication solutions.

Bucheggberg Net AG

Telecommunications · Aetigkofen · Since 2024

The core activity of Bucheggberg Net AG is the provision of telecommunications services, in particular: internet access with various speeds via a fiber-optic network (FTTH), fixed-line telephony, TV and radio services, and additional products such as replay TV, flat-rate telephony and additional e-mail addresses. The company offers these services in certain districts and operates its own fiber-optic network.

C6COM GmbH

Telecommunications · Steinhausen · Since 2019

The core activity of C6COM Group is the distribution of telecommunications products and the provision of network design services in Southeastern Europe. The company also offers a range of additional services, including the supply of materials and active equipment, the provision of FTTH users, project implementation, creation of technical documentation, and customer training.

Calli SA

Telecommunications · Geneva · Since 2014

The core activity of Calli SA is the provision of communication services, particularly in the areas of: satellite communication, consulting and support, fibre-optic connectivity, network services, market research, broadcasting and media distribution, and maritime services. The company thus offers a comprehensive range of communication services to meet the communication needs of its customers.

Calvin Risk AG

Software Development · Zurich · Since 2024

Calvin provides AI risk management solutions, supporting companies in regulatory compliance, ensuring unbiased algorithms, and enhancing AI portfolio efficiency. The company's core activity is providing tools and services for evaluating, monitoring, and optimizing AI systems, particularly with regard to compliance with the EU AI Act.

Camptocamp SA

Telecommunications · Bussigny · Since 2001

camptocamp SA is an IT services company providing Open Source solutions for geospatial systems (GIS), business management software (Odoo) and IT infrastructure. Services include consulting, implementation, hosting and maintenance, subscription management, training, UX/UI design and cloud/security solutions.

Celec GmbH

IT Consulting & Services · Rapperswil Sg · Since 2007

The core activity of Celec GmbH is consulting in the field of e-communication.

Cellnex Switzerland AG

Telecommunications · Glattpark (Opfikon) · Since 2017

The core activity of Cellnex is the neutral and shared management of telecommunications infrastructure, including: Telecommunications infrastructure services, Broadcasting and transmission services, DAS and Small-Cell technology, Data centers, Fiber and IoT services, Smart Services and IoT applications. The company offers these services to various industries, including public administration, mobile network operators, transport and logistics, governments and others.

Centre Natel Emery Sàrl

Telecommunications · Sion · Since 2009

The core activity of Centre Natel Emery is the sale and management of subscriptions for mobile phones, internet and TV, as well as the sale of smartphones and accessories. The company also offers services such as data transmission and repairs.

Cetis AG

Software Development · Cham · Since 1981

The core activity of Cetis AG is the development and marketing of Computer-Telephony-Integration (CTI) solutions, in particular the CETIS software, which provides an interface between existing telephony systems, applications and users to improve productivity in telephone communication.

C.I.D. Telekom AG

Telecommunications · Baar · Since 2016

The core activity of CID Telekom is to provide services in the field of telecommunications and technology, particularly in the management of telecommunications and technology solutions for businesses. This includes providing SD-WAN underlay networks, managing telecommunications and technology vendors, optimizing contracts and invoices, as well as providing benchmarking data to support companies in selecting cost-effective solutions.

Circet (Schweiz) AG

Technical Consulting & Engineering · Zurich · Since 2020

The core activity of Circet is to provide infrastructure services to telecommunications companies in Europe, particularly in the field of building and maintaining network infrastructures such as FTTH (Fiber-to-the-Home), 5G and FTTx networks, as well as in the field of cloud services. This also includes services such as project management, engineering, installation and maintenance of networks.

CITOVOX AG

Telecommunications · Zug · Since 2005

The core activity of Citovox AG is the provision of peer-to-peer voice communication services.

Citycom J. Mächler

Telecommunications · Urdorf · Since 1994

Citycom J. Mächler provides consultation, planning, installation and maintenance of satellite reception systems and repair services for SAT receivers. The company also offers TV and home cinema integration, home networking, TV wall mounting, relocation services for audiovisual equipment, and damage assessments/repairs following storms.

ClienTel Sàrl

Telecommunications · Lonay · Since 1998

The core activity of Multitel is the brokerage of mobile phone services and products, particularly through partnerships with providers Sunrise and Salt. The company offers its members special rates and discounts on mobile phone subscriptions, including unlimited Swiss mobile plans.

Cogent Internet Schweiz GmbH

Telecommunications · Zurich · Since 2007

Cogent Internet Schweiz GmbH is an Internet service provider that operates a fiber‑optic network built for Internet traffic and provides business connectivity solutions. Services include dedicated internet access, IP transit, global peering, Ethernet/MPLS/SD‑WAN, transport (optical wavelengths) and colocation/data‑center services.

Colt Technology Services AG

Telecommunications · Zurich · Since 1997

Colt Technology Services AG provides digital infrastructure and network services for businesses, including fibre and wavelength connectivity, dedicated internet access, colocation, cloud and managed security services, and voice and collaboration solutions.

Colt Technology Services SA

Telecommunications · Geneva · Since 2017

Colt Technology Services SA provides telecommunications and IT infrastructure services for business customers, offering network, cloud, voice and security solutions. Its portfolio includes fibre connectivity, Ethernet, IP‑VPN, SD‑WAN, colocation, cloud connectivity, managed security and voice services such as SIP trunking and unified communications.

ComNet Fulenbach AG

Telecommunications · Fulenbach · Since 2021

ComNet Fulenbach AG operates and develops the local broadband and communications network, with a focus on upgrading to fibre-to-the-home (FTTH) and leveraging synergies with the existing electricity network.

Complan AG

Telecommunications · Bern · Since 1998

The core activity of Complan AG is to provide services to the telecommunications industry, particularly in the mobile communications sector. Specifically, this includes: site evaluation and consulting for mobile phone installations, planning and contract management for mobile phone projects, NIS calculations (assessment of maximum radiation exposure), radiation calculation and measurement, coordination with authorities and property owners, creation of execution and building permit plans, and support for building permit applications. The company thus supports the construction and operation of mobile phone networks in Switzerland by evaluating the necessary sites, clarifying technical and legal requirements, and creating the necessary permits and plans.

Computerline GmbH

IT Infrastructure & Cloud · Triengen · Since 2004

The core activity of Computerline is to provide services and solutions in the field of digital infrastructure, particularly in the areas of: IP services (IP transit, IP access), network and internet infrastructure (low-latency fiber channels, internet backbone), data center services (housing, co-location, Tier-4 data center), DDoS protection and defense, hybrid cloud connectivity, and submarine cable networks. The company offers these services to provide customers with a reliable, efficient, and secure connection to the global internet and between Europe and Asia.

ComWo AG

Telecommunications · Wolfwil · Since 2023

The core activity of ComWo AG is the construction and operation of a fibre-optic network in the municipality of Wolfwil, including the connection of all households, commercial and industrial enterprises, as well as ensuring the transmission of communication signals from the respective signal providers.

conetCom AG

Telecommunications · Basel · Since 2000

The core activity of conetCom AG encompasses the planning, design, installation, commissioning, and maintenance of communication networks and electrical systems, including: fiber optic cable systems, electrical installations (low voltage, high voltage), communication and network installations (LAN, WLAN, WAN), installation of telecommunications systems, maintenance and improvement of fiber optic networks, electrical inspections and safety checks, as well as documentation of systems and revision plans. The company offers its services in various business areas, including fiber optics, low voltage and high voltage, and specializes in the realization of communication and electrical systems in various sectors, such as shopping centers, hospitals, hotels, banks, office and administrative buildings.

Connect 2 Communications GmbH

Telecommunications · Oberrohrdorf · Since 2005

The core activity of Connect 2 Communications GmbH is the provision of services in the field of telecommunications and e-marketing. Specifically, this includes: Providing Voice-over-IP phone connections, Developing and implementing e-marketing solutions, particularly with the Dolphin module package, Creating and managing internet presences and databases, Providing e-business solutions (C2 E-Business Solution).

Belavix SA

Telecommunications · St-Blaise · Since 2005

Connectcom Solutions SA is an IT and communications systems integrator offering solutions for the convergence of data, voice and video, including VoIP and fixed/mobile telephony. The company provides infrastructure options (cloud, hybrid, on‑premise), collaboration tools, contact‑center and telephony solutions, and project services such as design, staging, user training and maintenance.

conNEXT Global AG

Telecommunications · Zug · Since 2022

conNEXT Global AG provides an all‑in‑one communication suite featuring end‑to‑end encrypted messaging, voice and video calls, secure local file storage, document editing/signing and enterprise access-control features.

Convercom AG

Telecommunications · Thalwil · Since 1999

The core activity of ConverCom AG is the development and provision of solutions for telephone network operators, in particular the Carrier Service Factory (CSF), a service production facility for telcos that enables the offering of customized value-added services and cost-effective network optimization services.

Copper-Net AG

Telecommunications · Baar · Since 2020

Copper-Net GmbH is a telecommunications network construction company that provides planning, construction and commissioning of network infrastructure. Services include customer consultation and permitting, fiber and copper splicing and testing, line and shaft construction, cable pulling, and maintenance and fault repair.

cosema ag (Communication Service Management)

Telecommunications · Chur · Since 2003

The core activity of Terza Immobilien Service Chur AG is integral facility management, which encompasses a wide range of services, including: janitorial services, building and technical management, cleaning, building security, winter services, control of stationary traffic, IT services, and drone flight services. The company offers these services as a professional partner for owners and tenants of residential buildings, commercial properties, and shopping centers to ensure a well-maintained appearance and high-quality work.

CSP Meier AG

Telecommunications · Bern · Since 1990

CSP Meier AG is an electrical engineering firm providing electrotechnical planning and consulting services for construction projects. Services include planning of communication and security systems, fire alarm and emergency power/UPS systems, photovoltaic and alternative-energy solutions, power and low-voltage installations, surveillance systems, lightning protection and client advisory services.

CSS - Project GmbH

Telecommunications · Gerzensee · Since 2011

The core activity of CSS-Project GmbH is specialization in the field of telecommunications for protection systems, particularly in the areas of planning, implementation and maintenance of protection systems, including the Swiss security radio network POLYCOM, as well as the development and provision of products such as ZS-NAG and telematics equipment.

CTEK AG

IT Consulting & Services · Baden · Since 2006

The core activity of ctek AG is to provide services and solutions in the field of information and communication technology (ICT), particularly in the areas of: Internet services (web hosting, mail hosting, V-server, hosted exchange, net backup), internet access and connection, virtual workplaces and VoIP communication, IT consulting and support, development and implementation of internet projects, network setup and operation, telephony and TV services, and domain management. The company positions itself as a full-service provider for companies that want to efficiently and securely shape their digital presence and communication.

DABcom SA

Telecommunications · Préverenges · Since 2021

The core activity of DABCOM SA is the operation of a DAB+ network in Switzerland, particularly in the French-speaking region, and the provision of radio services to radio stations. The company offers radio stations the opportunity to broadcast their programs over the DAB+ network, reaching one million people in a dynamic and prosperous region.

DAC System SA

Research & Development · Manno · Since 2022

The core activity of DAC System is the development and manufacture of solutions for monitoring and controlling radio transmission systems, particularly in the field of broadcasting and critical communication. The company offers specialized products and services to improve the reliability and efficiency of radio transmission systems, including solutions for monitoring antennas, power measurement and predictive maintenance.

DANET Datennetzgesellschaft Oberwallis AG

Telecommunications · Brig · Since 2012

The core activity of DANET Oberwallis AG is the planning, construction and provision of a comprehensive fibre-optic network in the Upper Valais, enabling various providers to offer their services on it.

Datatrade Managed AG

Telecommunications · Freienbach · Since 2023

The core activity of Datatrade is the provision of software services for mobile messaging services, particularly in providing managed services for mobile messaging providers, including SMS transit and SMS filtering services.

DCT-Delta Swiss AG

Telecommunications · Altdorf Ur · Since 2008

The core activity of DELTA SWISS is the development and manufacture of solutions for broadband transmission, particularly in the field of Hybrid Fibre Coax (HFC) products for cable TV, monitoring and other applications, as well as the production of components for cable, satellite and fibre optic infrastructures.

DFZ Datenfunk-Zentrale AG

Telecommunications · Basel · Since 2007

The company's core activity is order and telephone brokerage, in particular the dispatch and brokerage of transportation orders, originally with a focus on taxi services, but now as a modern service center for various industries.

Diatel SA

Telecommunications · St-Imier · Since 1970

The core activity of Diatel SA is the provision of telecommunications services, particularly in the areas of cable television, radio, internet and telephony. The company operates a high-performance telecommunications network, mainly consisting of fiber optic cables, and offers combined services in cooperation with its partner Sunrise.

Digital Cable Group AG

Telecommunications · Zug · Since 2008

The core activity of Digital Cable Group is the provision of digital television services (digitalTV).