Telecommunications in the
Canton of St. Gallen
77 companies in Telecommunications based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 77 companies
Stadler IT AG
Since 1995 · 11–20 empl.4.5(31)
Stadler IT AG – Ihr IT-Dienstleister in der Ostschweiz. Seit über 35 Jahren unterstützen wir KMU, Industrie, Gewerbe und Behörden mit IT-Beratung, Managed Services, IT-Support, Microsoft 365, Cloud-Lösungen, Cyber Security, Backup, Netzwerk- und Serverlösungen. Unser Angebot umfasst zudem KI-Automatisierung, Softwareentwicklung, Hosting, Internet, Telefonie, Druckerlösungen, Azure, moderne Arbeitsplatzlösungen, Webdesign, Grafikdesign, Digitalisierung sowie proaktives Monitoring.
stgallennetgroup AG
Since 2016 · 11–20 empl.5.0(10)
Die stgallennetgroup AG supports companies in infrastructure, cloud, communication and IT security. Personal, pragmatic and with a focus on long-term functioning solutions. As a well-coordinated team with direct contact to our clients, we ensure that IT helps our customers move forward rather than slow them down. Safe. Digital. Connected.
Saxer Telekom AG
Since 1998 · 1–10 empl.4.9(85)
Saxer Telekom AG is a telecommunications provider focused on mobile, internet, TV and landline services. The company also sells devices and accessories and provides smartphone repair services, including for Apple and Samsung products.
TON Total Optical Networks AG
Since 2000 · 11–20 empl.4.7(7)
The company's core activity is providing data and telecommunications services, particularly for medium-sized and large enterprises as well as ICT providers. This includes, among other things, networking company locations, implementing SD-WAN solutions, providing internet and telecommunications services, and providing consulting and support services.
Binex AG
Since 2020 · 11–20 empl.4.8(21)
The core activity of BINEX AG is the provision of IT services and telephony solutions, particularly in the areas of cloud computing, IT security and VoIP telephony. The company offers its customers individual solutions and services to support and secure their IT infrastructure.
Artho Elektro + Telematik GmbH
Since 2009 · 1–10 empl.5.0(9)
Artho Elektro + Telematik GmbH provides electrical installations, communication systems and IT/network services. Its offerings include electrical work for private, commercial and industrial clients, lighting and distribution systems, fibre and building cabling, telephone/VoIP systems, server and network installation and maintenance, and remote support.
Rütsche CATV GmbH
Since 2004 · 1–10 empl.
The core activity of Rütsche CATV GmbH is the planning, implementation and maintenance of cable network installations, particularly in the field of fiber optic connections, cable TV and home distribution systems (HVA). The company offers its customers all services and solutions in the field of telecommunications, including network construction and maintenance.
solapsys ag
Since 2010 · 1–10 empl.
The core activity of solapsys ag includes providing consulting and services in the areas of marketing management, communication optimization, corporate identity, web design, and crisis management. The company supports customers in developing and optimizing their brand, designing websites, and implementing communication strategies. Additionally, it offers specialized services in the area of the tetronik DAKS/Unify OScAR system, including product support, consulting, and training.
NÄGELE-CAPAUL AG, Triesen (LI), Zweigniederlassung Mörschwil
Since 2010 · 21–50 empl.
The core activity of Nägele-Capaul AG is to provide communication and security solutions for various industries, particularly in the healthcare sector. This includes: tunnel radio and location systems, radio communication solutions, including radio equipment rental and repair, in-house supply and telephony solutions (Unified Communications), alarm systems and lone worker protection, and patient call systems. The company thus offers a wide range of communication and security solutions tailored to the specific needs of its customers.
Aone Com AG
Since 2011 · 11–20 empl.
The core activity of AOneSat is the development, manufacture and servicing of key systems for satellites and launch vehicles, particularly in the areas of telemetry, telecommands, sensors and power supply units.
Fiber Home AG
Since 2012 · 51–100 empl.
Fiber Home AG provides planning, construction and operation services for fiber‑optic networks and carries out technical work such as splicing and connection technology, measurement (OTDR) and in‑home installations. Services include network construction, cable installation, maintenance and operation, project management and setup of multimedia/networking solutions.
Net Works, Zweigniederlassung der Baumann Electro AG
Since 2014 · 1–10 empl.
Net Works, Zweigniederlassung der Baumann Electro AG provides cross-disciplinary building-technology services, including building IT as well as electrical, sanitary, heating, cooling, ventilation and air-conditioning systems. The company also offers solutions for security, network infrastructure and VoIP communications.
Albedo Telecom (Schweiz) GmbH
Since 2015 · 1–10 empl.
The core activity of Albedo Telecom is the development and distribution of measuring devices, test and measurement systems for monitoring and analyzing networks, particularly in the area of Ethernet, IP networks and fiber-optic networks. The company's products and services focus on the precise measurement and monitoring of time, frequency and phase in networks, as well as on fault location and network load generation.
Komtech AG
Since 2007 · 1–10 empl.
The core activity of Komtech AG encompasses activities in the fields of telecommunications, CATV networks, building automation, as well as the placement of technical specialists. Furthermore, its subsidiary Immostate AG offers services in the real estate sectors of general contracting, management, and sales.
voizilla AG
Since 2014 · 1–10 empl.
voizilla AG is a company that provides contact details and an imprint on its website. The accessible homepage does not show further information about its specific services or products.
RII SEEZ NET Backbone AG
Since 2024 · 1–10 empl.
RII SEEZ NET Backbone AG is a regional telecommunications provider offering TV, internet, fixed-line and mobile services. The organisation comprises 17 regional cable operators and the service provider is the Elektrizitäts- und Wasserwerk der Stadt Buchs, which processes signals in a headend and distributes them via fibre networks to partner municipalities.
Giga Mobile AG
Since 2009 · 1–10 empl.3.4(30)
The core activity of Giga Mobile AG is the provision of telecommunications services, including: mobile phone services (mobile subscriptions, data subscriptions), internet connections (fiber optic, DSL), television services (TV & Replay), and fixed network services (landline connections). The company operates its own infrastructure, including a nationwide mobile phone cell network and a TV signal processing facility, and offers its services throughout Switzerland.
Voltec Telecom GmbH
Since 2020 · 101–500 empl.3.9(26)
Voltec Telecom GmbH provides services in electrical engineering and e-mobility. The company installs charging stations for electric vehicles and presents reference projects as well as additional electrical services within the group.
Elektro Friberg AG
Since 2021 · 1–10 empl.
The core activity of Elektro Friberg AG includes the planning, installation and maintenance of electrical systems and installations, including: lighting, photovoltaics, e-mobility, multimedia, smart home, access systems, video surveillance, telecommunications, high-voltage installations, IT networks and household appliances. The company also offers design and planning of electrical systems and has its own exhibition and office in Untereggen.
SAT & KABEL GMBH
Since 2014 · 1–10 empl.5.0(4)
The core activity of SAT & KABEL GmbH encompasses the planning, installation, maintenance, and consulting of various technical facilities and systems, particularly: satellite and cable television systems, internet and network solutions, telephony and Voice-over-IP systems, electrical installations and security technology, smart home and security systems, video surveillance and access control systems. Additionally, the company offers the sale of high-quality SAT, cable TV, and network products, as well as consulting, planning, and implementation of projects in these areas.
Bodensee Infraworks GmbH
Since 2021 · 1–10 empl.
Bodensee Infraworks GmbH provides services in data network construction, cable route construction, and maintenance. The company carries out work such as building data and communications networks, cable routes, splicing and testing, as well as maintenance and on-call services.
Optonet AG
Since 1994 · 11–20 empl.5.0(1)
The core activity of Optonet AG is the manufacture, sale and servicing of passive and active fibre optic and copper products, as well as mobile connectivity solutions, particularly in the fields of telecommunications, energy and transportation. The company offers complete solutions for network installations, including passive and active components such as fibre optic and copper solutions, switches, routers, media converters and antennas for wireless data transmission. In addition, Optonet provides services such as consulting, planning, maintenance, support and operation of fibre optic and data networks.
thurcom gmbh
Since 2024 · 1–10 empl.
thurcom gmbh is a full-service telecommunications provider offering internet, TV, fixed-line and mobile services for private and business customers. The company operates its own fiber-optic network and provides modular subscription plans along with consulting and service points.
Rheinfiber AG
Since 2015 · 11–20 empl.4.3(3)
The core activity of Rheinfiber AG is the planning, development, implementation and maintenance of secure and demanding data supply networks, particularly in the field of optical fibers and glass fiber networks. This includes: consulting and planning of data supply networks, development and delivery of materials (passive/active), splicing service and connector assembly, laying of glass fibers and execution of splicing work, maintenance and upkeep of data supply networks, fault detection and repair with quality measuring devices and piket service.
supshare Kistler
Since 2021 · 1–10 empl.
The core activity of supshare is to support, support and train customers on innovaphone projects, particularly in the field of telephony. This also includes telephone support and the provision of services for telephony projects.
LWL-Techniker Schweiz GmbH
Since 2021 · 1–10 empl.4.2(5)
The core activity of LWL-Techniker.CH is the planning, installation and maintenance of fiber optic cables and data centers, particularly in the field of telecommunications and information and communication technology (ICT). The company offers services such as laying fiber optic cables, installing data centers and maintaining network infrastructures.
Fly Keynet GmbH
Since 2020 · 1–10 empl.5.0(1)
The core activity of Fly KeyNet GmbH is the planning, installation and maintenance of fibre-optic networks, particularly fibre-optic cables (FTTH), for companies and organisations in Switzerland, with the aim of improving their work processes and competitiveness.
Helbling Networks GmbH
Since 2016 · 1–10 empl.1.0(4)
The core activity of Helbling Networks GmbH is the provision of services in the field of Internet telephony (VoIP) and hosting solutions. This includes, in particular, the provision of Internet telephony services for private and business customers, as well as the installation and maintenance of network infrastructures and hosting solutions with a focus on stability, availability and security.
Casanova Tech GmbH
Since 2026 · 1–10 empl.
Casanova Tech GmbH provides services in fiber-optic infrastructure and FTTH network deployment. The company plans and builds fiber networks, carries out cable pulling in ducts and shafts, and performs technical installations for municipalities and utility providers.
Teco Consulting AG
Since 2000 · 1–10 empl.
The core activity of Teco Consulting AG is the planning, implementation and optimization of network infrastructures, particularly in the area of local networks (LAN), Wireless-LAN (WLAN), network security, firewalls, Virtual Private Networks (VPN) and performance/alarm management. The company offers its services to both carriers/providers and small and medium-sized enterprises (SMEs).
ExtraFon GmbH
Since 2004 · 1–10 empl.
The core activity of Extrafon is the provision of telecommunications services, particularly in the area of mobile connectivity, IoT/M2M solutions, personal hotspots and global SMS gateways. The company acts as a reseller of leading networks and service providers worldwide and offers its customers a wide range of services, including voice termination, data connectivity, SMS services and unified communications & collaboration solutions. Extrafon focuses on providing global connectivity with optimal coverage and quality at competitive prices.
Celec GmbH
Since 2007 · 1–10 empl.
The core activity of Celec GmbH is consulting in the field of e-communication.
LINK Messaging AG
Since 2017 · 1–10 empl.
LINK Messaging AG provides bulk SMS wholesale and messaging gateway services for carriers, aggregators, ISPs and mobile operators, enabling worldwide delivery of A2P and P2P messages. Services include API and protocol interfaces (SMPP, HTTP/HTTPS), routing and reporting, and support for multiple character sets and alphanumeric sender IDs.
Suntel Switzerland AG
Since 2018 · 51–100 empl.
Suntel Switzerland AG provides industry-specific information and communication solutions, offering consulting, planning, implementation and operation of communication networks as well as turnkey steel construction services.
Bodensee Engineering GmbH
Since 2018 · 1–10 empl.
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.
FOW GmbH
Since 2020 · 1–10 empl.
FOW GmbH provides fiber-optic and FTTH services, including splicing work, measurements (visual fault locator and backscatter/OTDR testing), project planning and consulting, and procurement or preconfiguration of fiber components.
Frei Leitungsbau GmbH
Since 2026 · 1–10 empl.
Frei Leitungsbau GmbH provides services in line construction. The website includes contact details and pages for services and references, but only limited substantive information is available.
LUXLINEA GmbH
Since 2024 · 1–10 empl.
All Telecom AG
Since 1974 · 1–10 empl.
Telephone System Service Milos Karkoska
Since 1990 · 1–10 empl.
VM Telecom AG
Since 1991 · 1–10 empl.
Telecom Mettler
Since 1991 · 1–10 empl.
Partel Com AG
Since 1994 · 1–10 empl.
GEBUTECH Marcel Meier
Since 2000 · 1–10 empl.
BraCom A. Brändli
Since 2000 · 1–10 empl.
VMI AG
Since 2002 · 1–10 empl.
Hofer-Iconet Kommunikationstechnik
Since 2002 · 1–10 empl.
CreaTel GmbH
Since 2003 · 1–10 empl.
GGA Flawil Genossenschaft
Since 2004 · 1–10 empl.
ITSD Daniel Ammann
Since 2005 · 1–10 empl.
Telecommunications in the Canton of St. Gallen
Telecommunications in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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