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More than 35 years
growing together
Experience has turned us into a leading company in installation and maintenance for Telecommunications and Renewable Energies
Business lines
TELECOMMUNICATIONS
- Fixed networks (FTTH, HFC, xDSL, ...)
- Mobile networks (2G, 3G, 4G, 5G)
- Radio networks (WiFi, WiMAX and radio links)
- Satellite
- Digital TV
RENEWABLE ENERGIES AND ELECTRIC MOBILITY
- Energy generation, transformation and distribution
- Solar plants
- Electric vehicle recharging points
- Photovoltaic self-consumption
- Industrial power and lighting
CIVIL WORK AND CONSTRUCTION
- Deployment of fixed and mobile telecommunications networks
- Site adaptation
- Building of photovoltaic plants
- Comprehensive security systems
- Urban and interurban channelling
- Buildings
SECURITY AND ALARMS
- Security and alarm systems
- Home automation systems
- Fire protection systems
MONITORING AND REMOTE MANAGEMENT
- Mobile site management - Smart Site®
- Management centres (“Service Desks”)
- Network and service monitoring
- Failure prevention and prediction
- Network and service inventory
- Provision and activation process management
DATA CENTER
- Site design and engineering
- Civil works, construction and installations
- Air conditioning and energy
- Photovoltaic panels
- IT equipment (fibre optics and equipment)
- Security and Control
- Installation management and monitoring systems
- Maintenance
Global presence
Our customers are our best allies, wherever they are.
This has driven us to be internationally present.
Zener Telekom GermanyZener Austral Chile Zener Telecom Netherlands Zener Portugal Zener Worldwide
Our customers











































































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