
Electrical installations, telecommunications, smart home, photovoltaics and service for private, commercial and industrial customers in Zug

Landtwing Telefon und Elektro AG
Steinhausen / Zug (CH)New on Amplifa
About us
Landtwing Telefon und Elektro AG is an electrical installation company founded in 1980 and headquartered in Steinhausen in the canton of Zug. The company carries out work from the preliminary project to final execution: high-current installations, conversions and renovations, telecommunications (IP telephony, TV), IT networks and fibre optic cabling, lighting systems including LED retrofits, photovoltaic systems, electric vehicle charging stations and building automation with FELLER Wiser, KNX and Loxone. Planning and project engineering are carried out on CAD systems; service work is performed with well-equipped service vehicles and modern measuring instruments. Customers come from the private, commercial/office and industrial sectors. As a smaller Zug-based company, it trains electricians (EFZ) and installation electricians (EFZ) as apprentices.
- Site
- Steinhausen / Zug
- Processes
- High-current installations, Residential installations (electrical), Commercial and office installations (electrical), Service, repairs & conversions (electrical), Electrical inspections, Telecommunications installations (IP telephony, TV), Pulling and laying of coaxial and fibre optic cables, Splicing and measuring of media cables
- Materials
- Fibre optic (LWL), Copper (coaxial/telephone cables), Fibre optic, Copper, LED technology
- Certificates
- Electrical inspections, Network measurements according to standards
- Founded
- 1980
- Industries
- Private customers, Commercial/Office, Industry
- 01
Electrical planning and project engineering (CAD)
- 02
Installation (high current, telecommunications, IT, lighting, PV, e-mobility)
- 03
Commissioning and instruction
- 04
Service, repairs, electrical inspections
Technologies and Infrastructure
Fibre optic
Fibre optic cabling as well as pulling, splicing and measuring of fibre optic cables for telecommunications and IT networks.
Copper
Installation and renovation of coaxial and telephone cables on a copper basis.
LED technology
LED retrofits and lighting concepts for existing installations.
Locations
Steinhausen / Zug
CHHead office
- Materials
- Fibre optic, copper, LED
- CAD system
- Service vehicles
- Modern measuring instruments (electrical/network)
Service Areas







Inside the production











Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| High-current installationsAssembly | – | – | – | – | – |
| Residential installations (electrical)Assembly | – | – | – | – | – |
| Commercial and office installations (electrical)Assembly | – | – | – | – | – |
| Service, repairs & conversions (electrical)Assembly | – | – | – | – | – |
| Electrical inspectionsTesting | – | – | – | – | – |
| Telecommunications installations (IP telephony, TV)Assembly | – | – | – | – | Copper, Fibre optic |
| Pulling and laying of coaxial and fibre optic cablesAssembly | – | – | – | – | Fibre optic, Copper |
| Splicing and measuring of media cablesJoining | – | – | – | – | – |
| IT cabling / structured building cablingAssembly | – | – | – | – | – |
| Fibre optic cablingAssembly | – | – | – | – | Fibre optic |
| WLAN solutionsAssembly | – | – | – | – | – |
| Network measurements and logging according to the latest standardsTesting | – | – | – | – | – |
| Lighting system installation / LED retrofits and lighting conceptsAssembly | – | – | – | – | LED |
| Photovoltaic system installationAssembly | – | – | – | – | – |
| Electric vehicle charging stations (e-mobility) installation incl. load managementAssembly | – | – | – | – | – |
| Building automation / smart home (FELLER Wiser, KNX, Loxone, DALI)Assembly | – | – | – | – | – |
| Video, intercom and multimedia installationsAssembly | – | – | – | – | – |
| Electrical, telephone and IT planning and project engineering (CAD)Engineering | – | – | – | – | – |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CAD system | – | – | – | – | Steinhausen / Zug |
| Service vehicles | – | – | – | – | Steinhausen / Zug |
| Modern measuring instruments (electrical/network) | – | – | – | – | Steinhausen / Zug |
Additional services
Quality
Work is inspected with modern electrical and network measuring instruments; network measurements and logging are performed according to the latest standards. Electrical inspections are part of the service portfolio.
| Evidence | Steinhausen / Zug |
|---|---|
| Electrical inspections | |
| Network measurements according to standards |
History
- 1980
Company founded; Alfred Landtwing and Marlys Landtwing with the company since 1980
- 2003
Alexander Landtwing takes over management (managing director/owner)
- 2022
Relaunch of the company website