Telecommunications in the
Canton of Grisons

mia Engiadina Network SA

Since 2016 · 11–20 empl.·5.0(14)

mia Engiadina Network SA plans, builds, operates and maintains fibre-optic network infrastructure. It is part of the miaEngiadina organisation and supports the development of digital infrastructure in the Engadin.

mia Engiadina Marketing SA

Since 2016 · 1–10 empl.·5.0(14)

mia Engiadina Marketing SA operates coworking spaces, provides fiber-optic internet services, and offers team retreats and event locations, while supporting digital education projects and regional networking initiatives.

Grischa Tech AG

Since 2018 · 11–20 empl.·4.8(10)

The core activity of Grischa Tech AG is the provision of services in the field of telecom network infrastructure expansion, particularly: FTTx projects (Fiber-to-the-Home/Building/Curb/Street), cable laying and installation, construction and project management of mobile network infrastructure projects. The company thus offers services that encompass the planning, execution and maintenance of telecommunications network infrastructures.

cosema ag (Communication Service Management)

Since 2003 · 11–20 empl.

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.

HOTELMEDIA GmbH

Since 2006 · 1–10 empl.

The core activity of Hotelmedia GmbH is the planning and implementation of individual and customized solutions for the hotel, gastronomy and institutional sectors in the areas of hotel TV solutions, reception technology, internet for SmartTVs, TV furniture and object furnishings.

SAT4M2M AG

Since 2018 · 11–20 empl.

The core activity of SAT4M2M AG is to provide global IoT data connectivity through satellite networks, particularly for the transportation, maritime, agriculture and smart city industries. The company offers solutions for real-time monitoring and tracking of goods, vehicles and infrastructure, enabling customers to have better visibility and control over their IoT applications.

connecta ag

Since 2001 · 11–20 empl.·4.1(8)

The company's core activity is the provision of telecommunications services, including mobile communication, television (classic and IP-TV), analog telephone lines, SIP trunks and virtual telephone exchanges, as well as internet and fixed network services. The company offers these services to both private and business customers, covering the entire field of telecommunications.

TalkPool AG

Since 2001 · 101–500 empl.·3.8(5)

The core activity of Talkpool is the provision of network services, particularly in the fields of telecommunications and the Internet of Things (IoT). This includes network planning, implementation, maintenance and documentation as well as remote site management. The company supports the infrastructure for a smart and sustainable future and has already made over 5,000 telecommunications sites sustainable.

TM Concept AG, Zweigniederlassung Chur

Since 2024 · 51–100 empl.

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.

redcom AG

Since 2001 · 11–20 empl.·5.0(2)

The core activity of redcom AG is the development and implementation of communication and data systems, particularly for nursing homes and commercial enterprises. This includes the planning, implementation and maintenance of resident and patient call systems, telephone systems, WLAN infrastructures and alarm devices. The company also offers emergency call solutions and personal emergency call subscriptions for personal safety.

NÄGELE-CAPAUL communications AG

Since 2025 · 1–10 empl.

NÄGELE-CAPAUL communications AG provides communications solutions and services for tunnel radio, building radio and radio/transmission systems. The company plans, installs and operates radio systems, develops and manufactures HF and fiber-optic repeaters, and offers support, maintenance and measurement services.

tannò mobile ag

Since 2025 · 1–10 empl.

WETA mobile solutions AG provides personal consultation and retail and service for mobile phones, TVs, multimedia devices and accessories. Services include device setup and data transfer, repairs, Swisscom World Shop mobile and internet advice, and support for crypto hardware wallets.