Telecom provider in
Zurich

glafag ag

Since 2012 · 11–20 empl.·4.4(9)

glafag ag provides services for fibre-optic and telecommunications infrastructure. Its work includes planning and installing fibre-optic connections, connecting buildings, commissioning connections, and carrying out repairs and maintenance.

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.

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 telecommunications services for businesses. Its offerings include fibre and network connectivity, data centre colocation, voice and collaboration services, and cloud and security solutions.

euNetworks AG

Since 1998 · 21–50 empl.

euNetworks AG provides bandwidth infrastructure and telecommunications services over fibre networks. It operates metropolitan and long-haul networks and offers services including dark fibre, wavelengths, Ethernet, internet and cloud connectivity for businesses and data centres.

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 develops telecommunications solutions for mobile operators. Its offering includes roaming value-added services and software for steering roaming connections, as well as solutions for VoLTE, 5G and IoT roaming.

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.

UNIQUE elektroanlagen + telekommunikation GmbH plans and carries out electrical installations for residential, commercial and industrial properties. Its services also include EV charging stations and infrastructure, smart-home systems, lighting, photovoltaic installations, and maintenance and servicing of existing systems.

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.

Gabellini MoltiDev, Multimedia Development designs and develops e-learning and multimedia applications. It also creates websites and interactive products, working with specialists in graphics, audio and video.

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.

SwissMediaCast AG plans, builds and operates broadcast networks for the DAB+ digital radio standard. It coordinates the digital distribution of radio programmes across its networks in German-speaking Switzerland and Ticino.

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.

Ribbon Communications Switzerland GmbH

Since 2010 · 21–50 empl.

The core activity of Ribbon Communications is the development and provision of real-time communication solutions, particularly in the areas of Voice-over-Internet Protocol (VoIP), Session Initiation Protocol (SIP), Voice over LTE (VoLTE), cloud-based communication (Cloud), and unified communication (UC). The company offers a wide range of products and services, including Session Border Controllers, Intelligent Edge with SD-WAN, Network Edge Orchestration, policy and routing products, Call Controllers, Softswitches, Media Gateways, application platforms, communication clients, and signaling controllers. Additionally, Ribbon Communications provides platforms as a service (CPaaS and UCaaS) that enable customers to develop and deploy their own communication solutions. Ribbon Communications' solutions are designed to enable and improve communication between people and systems, particularly in the areas of finance, government, education, and healthcare.

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.

Orbitare AG develops space applications and a satellite communications network under the SPACELOOP brand. Its offering includes personal satellite connectivity for messaging and data transfer, as well as location-based safety features.

Calvin Risk AG

Since 2022 · 21–50 empl.

Calvin Risk AG develops software for testing, evaluating and governing enterprise AI systems. Its platform assesses systems against real-world and adversarial scenarios, measures risks and creates traceable evidence for monitoring, audits and deployment decisions.

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.

spusu AG

Since 2023 · 1–10 empl.

spusu AG is a mobile network provider offering mobile plans and smartphones. Its services include 5G, EU roaming and eSIM, and the company operates its own mobile core network and provides customer support by phone, email and WhatsApp.

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)

EasyCall AG provides telecommunications products and services, including public Wi-Fi for customers, prepaid mobile top-ups and a web-based point-of-sale system. Its vending machines offer items such as phone cards, online mobile top-ups, Wi-Fi access and vouchers.

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.

meet-my-life.net GmbH

Since 2014 · 1–10 empl.·5.0(3)

meet-my-life.net GmbH operates a non-commercial platform for writing and publishing autobiographies. Its services include digital writing software, online access to published life stories, and tools for involving friends in the writing process.

Circet (Schweiz) AG

Since 2020 · 51–100 empl.·3.3(7)

Circet (Schweiz) AG provides infrastructure and telecommunications services for telecom operators and other clients. Its activities include engineering, deployment, installation and maintenance of telecommunications networks across different technologies.

Lycamobile AG

Since 2007 · 51–100 empl.·2.9(478)

Lycamobile AG is a mobile service provider operating as a mobile virtual network operator. Its services include prepaid and subscription plans for calls, text messages and mobile data, as well as international calling, roaming and eSIM services.

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.