Telecommunications in
Zurich

Verizon Switzerland AG

Since 1995 · 21–50 empl.

The core activity of the company Verizon is the provision of telecommunications services, including mobile communications, broadband and fiber-optic internet, as well as the development and implementation of technologies such as 5G, Internet of Things (IoT) and Managed Security.

Colt Technology Services AG

Since 1997 · 51–100 empl.

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.

euNetworks AG

Since 1998 · 21–50 empl.

The core activity of euNetworks is the provision of telecommunications and network services, particularly in the area of fibre-optic cable networks, data transmission and storage. The company offers a range of products and services, including Dark Fibre, Metro and Long Haul Wavelengths, Ethernet, Internet, Colocation solutions, Cloud Connect and Managed Optical Open Line Systems. euNetworks focuses on the needs of businesses, particularly in the finance, media and content sectors, as well as the requirements of data centres, educational institutions and research facilities.

Scanvest AG

Since 1999 · 11–20 empl.

The core activity of Scanvest is the development, implementation and maintenance of high-end intercom systems for security-critical areas, such as emergency and service communication in airports, train stations, tunnels, waterways, administrative and office buildings, school buildings, elevators and production lines. The company relies on modern intercom and VoIP technologies to ensure secure, available and intelligible communication under all conditions.

Starhome Mach GmbH

Since 1999 · 1–10 empl.

Starhome Mach GmbH provides roaming and roaming value-added services for mobile network operators under the TOMIA brand. Its portfolio includes VoLTE and 5G roaming, IoT roaming and products such as IPN (steering of roaming), Sparx (campaign management), VHE, GLR and real-time anti-fraud (RAF).

TI Sparkle Switzerland GmbH

Since 2000 · 11–20 empl.

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).

Arelion Switzerland AG

Since 2000 · 21–50 empl.

The core activity of Arelion is to provide IP services, network solutions and mobile data solutions to businesses, connecting their business-critical content and applications to a global audience. This includes, in particular, providing internet access, network solutions for businesses and connecting content and applications to a global audience.

SwissIX Internet Exchange

Since 2001 · 11–20 empl.

SwissIX is an Internet Exchange Point (IXP) whose core activity is to provide a platform for exchanging internet traffic between different networks and providers. SwissIX enables its members to directly connect their networks and exchange data packets, resulting in improved network performance, lower latency times, and increased security.

UNIQUE elektroanlagen + telekommunikation GmbH

Since 2002 · 11–20 empl.

The core activity of Unique Elektro is the provision of services and solutions in the fields of electrical engineering, telecommunications and multimedia, particularly in the following specific areas: electrical installations, TV installations, lighting systems, telematics, network planning, e-mobility, electrical controls, smart home and solar power (photovoltaics). The company offers consulting, planning, implementation and maintenance in these areas and positions itself as a competent and reliable partner for customers from various industries.

BN AG

Since 2002 · 11–20 empl.

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.

Gabellini MoltiDev, Multimedia Development

Since 2002 · 1–10 empl.

The core activity of EasyCall AG includes providing solutions for free WiFi (WLAN) to customers, automating customer registrations, selling prepaid cards and offering top-up options for mobile phone credit, as well as developing and providing a web-based cash register system called CloudCash.

Peoplefone AG

Since 2005 · 51–100 empl.

Peoplefone AG provides business VoIP and cloud telephony services, including SIP trunking, hosted virtual PBX solutions (including 3CX), softphone applications and Microsoft Teams integration. The company also offers internet and mobile products, number management and add‑on services such as SMS, Fax2Mail and analytics tools.

Routerless, Rudolf Widmer

Since 2007 · 1–10 empl.

The core activity of Routerless is the provision of internet, TV and telephony services to private customers, including the installation and distribution of corresponding products and services.

Cogent Internet Schweiz GmbH

Since 2007 · 11–20 empl.

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.

SwissMediaCast AG

Since 2007 · 11–20 empl.

The core activity of SwissMediaCast is the planning, construction and operation of radio networks for the digital radio standard DAB+ in German-speaking Switzerland and Ticino. This includes coordinating the connection of radio stations, broadcasting radio programs over its own networks and providing reception areas for DAB+ radio stations.

New Voice (Schweiz) AG

Since 2008 · 11–20 empl.

New Voice (Schweiz) AG provides alarm, process and crisis management solutions and offers platforms such as MobiCall, MobiCloud and MobiBox. Its products support alarm management, evacuation and incident response, with features including lone‑worker protection, positioning and telephony interfaces.

Tata Communications (Switzerland) GmbH

Since 2008 · 1–10 empl.

Tata Communications (Switzerland) GmbH provides network, cloud, security, interaction (CPaaS/CCaaS/UCaaS) and IoT connectivity and managed services for enterprises and carriers. Its Digital Fabric integrates infrastructure, platforms and services to support application integration, cloud connectivity and secure communications.

Sagemcom (Schweiz) AG

Since 2009 · 21–50 empl.

The core activity of Sagemcom is the development, production and distribution of communication devices and solutions for the areas of broadband, audio and video solutions as well as energy (electricity, gas and water). In particular, the company focuses on the following areas: Broadband solutions: Development and production of broadband end devices such as Home Gateways, DOCSIS, Fiber, DSL, FTTH, 4G/5G Fixed Wireless Access (FWA) and software solutions for the best Wi-Fi connection in the household. Energy & Telecommunications: Development and production of solutions for energy supply, including electricity, gas and water meters, as well as grid infrastructure solutions (GIS). Audio and Video Solutions: Development and production of audio and video solutions, including software solutions for streaming audio and video content. The company thus offers a wide range of products and solutions for the communications and energy industries.

primacall AG

Since 2009 · 1–10 empl.

The core activity of primacall is the provision of telecommunications services, particularly fixed-line and mobile phone tariffs, as well as DSL connections.

Ucom Standards Track Solutions GmbH

Since 2010 · 1–10 empl.

The core activity of Ucom Standards Track Solutions GmbH is consulting and developing solutions in the field of internet technology, particularly in the areas of: Voice over Internet Protocol (VoIP), video conferencing, internet standardization (IETF), and IPv6 integration and consulting. The company provides technical consulting, development, and implementation of solutions in these areas and is active in international standardization organizations such as the IETF.

Orbitare AG

Since 2017 · 1–10 empl.

The core activity of Orbitare is the development and operation of a satellite communication network called Spaceloop, which enables internet connectivity anywhere in the world. The network is specifically designed for modern communication, including messaging apps, social media, and email, and aims to provide a cost-effective and reliable alternative to traditional satellite communication solutions.

GMTEC-TopControl GmbH

Since 2018 · 1–10 empl.·4.9(10)

The company GMTEC-TopControl GmbH is an electrical engineering company specializing in the planning, installation, maintenance, and repair of electrical and electro-technical systems. The core activities include: Electrical installations (including for private households, property management, public services, and companies); Electrical inspections and testing; IT and telecommunication services (including VoIP telephony, internet, and networks); Installation and maintenance of security systems (including surveillance cameras and alarm systems); Building automation and smart home solutions; Photovoltaic and eMobility systems. The company thus offers a comprehensive range of electrical and electro-technical services for various customer groups.

Calvin Risk AG

Since 2022 · 21–50 empl.

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.

Orange Business Switzerland AG

Since 1994 · 21–50 empl.

Orange Business Switzerland AG provides digital transformation and IT services for businesses, including data and AI solutions, cloud and network services, cybersecurity and customer experience solutions. The portfolio also includes consulting, system integration and managed services such as collaboration, IoT and real-time data analytics.

AT&T Global Network Services Switzerland GmbH

Since 2001 · 1–10 empl.

AT&T Global Network Services Switzerland GmbH provides telecommunications and internet services under the AT&T brand for private and business customers. Its offerings include wireless plans, home internet, bundled services, and support and account management tools.

Maréchaux Elektro AG Zürich

Since 2015 · 11–20 empl.·3.9(11)

The core activity of Cabletron AG is the provision of services in the field of electrical installations, automation and telematics solutions. Specifically, this includes: electrical installations, telematics, building automation, electromobility (in particular fast charging stations), and service and maintenance of electrical systems. The company offers these services for private and public construction projects, combining innovative technologies with tailored solutions to provide customers with future-proof solutions.

spusu AG

Since 2023 · 1–10 empl.

The core activity of spusu is the provision of mobile telecommunications services, particularly mobile phone subscriptions without hidden costs.

Fiber Factory GmbH

Since 2012 · 1–10 empl.·4.1(9)

The core activity of Fiber Factory GmbH is the planning, consulting and implementation of fiber optic installations, particularly in the FTTH (Fiber to the Home) sector, as well as the provision of services in the field of telecommunications infrastructure, such as cable laying, measurement technology, fiber optic splicing and network solutions.

Furrer AG Zürich

Since 1996 · 11–20 empl.·5.0(2)

The core activity of Furrer AG Zurich is the planning, installation and maintenance of electrical and telecommunications systems.

EasyCall AG

Since 2007 · 1–10 empl.·4.0(4)

The core activity of EasyCall AG is providing solutions for free WLAN (WiFi) to customers, selling prepaid cards and top-up options for mobile phone credit, as well as developing and operating a web-based cash register system called CloudCash.

meet-my-life.net GmbH

Since 2014 · 1–10 empl.·5.0(3)

meet-my-life.net AG is a non‑commercial online platform for writing and optionally publishing autobiographical life histories. The site provides guided chapter structures and question prompts, a web‑based writing interface with a free trial and privacy settings, email support, features to involve friends, and promotes use by researchers.

com2b.ch GmbH

Since 2003 · 11–20 empl.·5.0(1)

The core activity of com2b is to support customers in online communication, particularly through the realization of projects and the provision of services in the field of telecommunications, such as the sale of mobile phones, tablet PCs, wearables and accessories, as well as the provision of value-added services such as network coverage, number porting and support.

TelXira GmbH

Since 2013 · 11–20 empl.·5.0(2)

The core activity of telXira is the development and provision of an Omni-Channel Business Messaging Platform, which enables companies to reach and interact with their customers through various communication channels such as WhatsApp, SMS, and other messaging services. The platform offers features like campaign management, transactional messages, two-factor authentication, and comprehensive reporting. telXira supports companies in implementing and growing business messaging solutions, providing consulting, collaboration, and support to maximize efficiency and return on investment (ROI).

Circet (Schweiz) AG

Since 2020 · 51–100 empl.·3.3(7)

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.

Lycamobile AG

Since 2007 · 51–100 empl.·2.7(446)

Lycamobile AG is a mobile service provider offering prepaid SIM cards, subscription plans and eSIM products. The website presents national and international rate plans, roaming options, online top‑up and account management, number porting and a mobile app, and indicates 99% network coverage in Switzerland.

Telcomnet GmbH

Since 2009 · 1–10 empl.·5.0(1)

The core activity of TelcomNet GmbH is the planning, implementation and maintenance of communication and network solutions for companies, including telephone systems, Wi-Fi and switching systems, video surveillance, building automation and routing and switching solutions. The company also offers solutions for Unified Communications and Collaboration (UCC), Contact Center and Mobility.

HVI-TEC Lüscher

Since 2023 · 1–10 empl.

The core activity of HVI-TEC Luescher is the development, delivery and maintenance of communication systems, in particular telephones and emergency call systems, under the label hvi-tec.ch. This also includes the maintenance, repair, conversion and expansion of existing systems of the Telbit telby brand.

ac communication systems & technology GmbH

Since 2025 · 1–10 empl.

ac communication systems & technology GmbH develops hardware, software and service solutions for telecommunications networks. The company provides systems and services for building, operating and managing secure, energy-efficient and sustainable communication networks, as well as products for network management, cybersecurity and private 5G networks.