Telecommunications

Télésonique SA 

Freienbach · Since 1998

The core activity of Télésonique SA is the provision of telecommunications services, particularly: fixed-line and mobile services, internet services (including mobile internet access), IP telephony (Voice over Internet Protocol, VoIP), sale of smartphones and tablets, and offering of virtual phone numbers and packages for private and business customers. The company positions itself as a provider of affordable and innovative telecommunications solutions tailored to the needs of private and business customers in Switzerland.

Teletrend AG 

Cham · Since 1992

Teletrend AG is an ICT service provider specializing in networks, IT security and data communication. The company provides network solutions and managed services, infrastructure and IT lifecycle services including hardware procurement and IT remarketing, IPTV and digital signage solutions, broadband technologies (FTTH, DOCSIS, HFC) and backup/data recovery services.

Television Aegeri AG 

Unterägeri · Since 1967

The core activity of Television Aegeri AG is as a network operator in the Ägeri Valley, i.e. it connects households in the Ägeri Valley to the wider world through a high-speed network. It does not offer its own products, but provides the network for Quickline's products.

Televox AG 

Baar · Since 1997

Televox AG is a digital marketing agency that provides web design and development and digital marketing services, including video marketing, email marketing, content growth and link building.

TELFO Sàrl 

Moudon · Since 2022

The core activity of Telfo Sàrl is the installation, maintenance and servicing of telecommunications networks, particularly in the field of fibre-optic and copper connections. This includes the construction of FTTx networks (Fiber to the x), the installation and commissioning of customer connections, the maintenance and repair of existing networks, as well as the performance of quality controls. In addition, the company also offers services in the field of cable laying.

Telgate AG 

Kriens · Since 2019

The core activity of Telgate AG is to provide services and solutions in the field of Information and Communication Technology (ICT) and telematics, particularly in the following specific areas: network and internet services, telecommunications solutions, including internet telephony, security systems and services, and video surveillance and services. The company offers these services and solutions to businesses and individuals, focusing on providing innovative and clever digitalization solutions.

Tel Net Com AG 

Sirnach · Since 1998

Tel Net Com AG provides telecommunications and ICT services, including VoIP/phone systems, structured cabling and network installations, security (alarm and video) and multimedia and electrical installations. The company offers consulting, planning, installation and support and is identified on its website as a Swisscom partner.

Tel Net Com AG 

Russikon · Since 1998

Tel Net Com AG provides consultancy, planning, installation and maintenance of telecommunications systems, ICT network technology, security systems, multimedia installations and electrical installations for businesses, public institutions and private customers.

Tel Net Com AG 

Fehraltorf · Since 2023

Tel Net Com AG is a provider of telecommunications and ICT networking services, offering consultancy, planning, installation and support for VoIP telephone systems, internet connections and structured cabling. Its services also include multimedia installations, security and video surveillance systems, and electrical (Starkstrom) installations.

TESAG AG 

Uerikon · Since 1987

TESAG AG provides consulting, installation and ongoing support for communication systems for SMEs and private customers. Its offerings include VoIP telephony, communication servers, digital voice endpoints, mobility solutions and paging/alert systems.

thurcom gmbh 

Wil Sg · Since 2024

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.

TI Sparkle Switzerland GmbH 

Zurich · Since 2000

The core activity of Sparkle Gruppo TIM is the provision of telecommunications services and infrastructure, particularly in the areas of backbone and infrastructure services, multicloud solutions, enterprise services, mobile services and voice services. The company also offers data centers and landing points for the connection of submarine fibers and supports the sustainable development of the economy and society through the implementation of ESG plans (Environmental, Social and Governance).

T-Line GmbH 

Steffisburg · Since 1996

The core activity of T-Line GmbH is the identification and acquisition of suitable locations for mobile phone antennas, particularly in the context of the implementation and expansion of the 5G network in Switzerland. This includes site planning, contract negotiations with landowners and the creation of photomontages to visualize the future installations.

TM Concept AG 

Aarau · Since 2000

TM Concept AG provides engineering and planning services for the design, implementation and management of network infrastructures and real estate. Its services include mobile and fixed network projects, fibre‑optic expansion, surveying, project and construction management, and permit and contract handling.

TM Concept AG, Zweigniederlassung Chur 

Chur · Since 2024

TM Concept AG, Zweigniederlassung Chur is an engineering office for telecommunications infrastructure providing planning, design and implementation services for network and property infrastructure projects. Services include site surveys, contract handling with property owners, permit documentation and project/construction management.

tracker.ch Service AG 

Adliswil · Since 2008

tracker.ch Service AG provides GPS tracking devices and a cloud platform for locating and monitoring vehicles, assets and people. Products include devices with cellular (4G) or LoRa connectivity, a web dashboard and mobile apps, with features such as geofencing, reporting, API access, driver identification, cold‑chain monitoring and maintenance scheduling; data are stored on servers in Switzerland.

tracker.ch AG 

Adliswil · Since 2010

tracker.ch AG provides GPS and IoT tracking solutions, including GPS and LoRa/LPN devices, a web dashboard, mobile apps and a SIM-management portal. Offered features include geofencing, reporting and analytics, driver identification, cold-chain monitoring, asset/object monitoring, maintenance planning and an API for system integration.

TrafficLink AG 

Gümligen · Since 2002

The core activity of TrafficLink AG is the provision of services in the field of radio engineering, particularly in the areas of measurement systems, radio systems and engineering. This includes the planning, implementation, optimization and quality assurance/maintenance of radio networks, as well as the development of practical solutions for the various life phases of a radio network.

Trendbook GmbH 

Pfaffnau · Since 2010

The core activity of TrendBook is the design, sale, support, service and maintenance of telematics and telephone systems as well as security technologies. The company also offers consulting, analysis and implementation of communication media and technologies, with the aim of supporting companies in optimizing their communication solutions.

Tsch EL Tel GmbH 

Egg B. Zürich · Since 1995

The core activity of TschelTel Elektroinstallation is the planning, installation and maintenance of electrical systems and installations.