Electrical Planning & Installation in
Winterthur

59 companies in Electrical Planning & Installation based in Winterthur — name and year of registration from the commercial register.

Companies

50 of 59 companies

wiwü GmbH Elektro- und Telefonanlagen Logo

wiwü GmbH Elektro- und Telefonanlagen

Since 2002 · 11–20 empl.4.7(26)

wiwü GmbH Elektro- und Telefonanlagen performs electrical service and repair work and electrical installations for new builds and renovations, and offers e‑mobility solutions, distribution boards, building automation (KNX), telephone systems (PBX), network installations, lighting, planning and periodic inspections.

Electrical Planning & InstallationElectrical installationsService and repair workLow-voltage installations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
VOLTA Elektro und Telecom AG Logo

VOLTA Elektro und Telecom AG

Since 1979 · 21–50 empl.5.0(13)

The core activity of VOLTA Elektro und Telecom AG is the provision of services in the field of electrical installations, telecom and patient call systems. Specifically, this includes the planning, installation and maintenance of electrical systems, telecommunications systems and patient call systems for private and business customers in the Winterthur and Turbenthal regions.

Electrical Planning & InstallationElectrical installationsTelecommunicationsPatient call systems
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Elektro Gerteis AG Logo

Elektro Gerteis AG

Since 2011 · 1–10 empl.4.4(25)

The core activity of Elektro Gerteis AG is the provision of services in the field of electrical installation, including: electrical installation, service and repair, e-mobility, multimedia systems, smart home, electrical planning, electrical inspections, and lighting. The company offers these services to private and business customers and is headquartered in Winterthur, Switzerland.

Electrical Planning & InstallationElectrical installationService/RepairElectrical planning
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Altermatt-Elektro-AG Logo

Altermatt-Elektro-AG

Since 1975 · 1–10 empl.4.4(7)

Altermatt-Elektro-AG provides electrical installations, data networks, service and building maintenance, and building automation and smart home solutions. Its services also include e-mobility, photovoltaic systems, smart energy and industrial installations.

Electrical Planning & InstallationElectrical installationsData networksService and building maintenance
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Hyposound AG Logo

Hyposound AG

Since 1979 · 1–10 empl.4.9(15)

The core activity of Hyposound AG is the rental and leasing of event technology, particularly in the areas of audio, lighting and video, as well as consulting and planning of events. The company offers a wide range of services, including the rental of equipment such as speakers, projectors, lighting systems and other event technology products, as well as the planning and execution of events.

Electrical Planning & InstallationEvent technologyInstallationEquipment rental
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
Hürzeler & Schafroth Elektro-Technik AG Logo

Hürzeler & Schafroth Elektro-Technik AG

Since 1981 · 1–10 empl.4.3(15)

Hürzeler & Schafroth is an electrical engineering company specializing in the planning, installation, and maintenance of electrical systems. The core activities include creating comprehensive solutions for electrical systems, manufacturing special LED lamps, and performing service and maintenance work. The company offers its customers innovative solutions focused on the future and values a partnership-based collaboration and committed service.

Technical Consulting & EngineeringPower and low-current installationsSwitchgearSmart Home & Building Automation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #6
H-P. Stäheli AG, Elektro- und Telefonanlagen Logo

H-P. Stäheli AG, Elektro- und Telefonanlagen

Since 2009 · 1–10 empl.4.8(6)

The core activity of H-P. Stäheli AG is the planning, installation and maintenance of electrical systems, including multimedia installations, for renovation, new construction, public buildings and private households.

Electrical Planning & InstallationElectrical installationsService and repair workMultimedia installations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Mayr Strom Logo

Mayr Strom

Since 2009 · 1–10 empl.4.7(9)

Mayr Strom is an electrical installation company offering planning and construction of electrical systems, temporary installations for events, IT/network installations, low‑voltage systems (audio and intercom), lighting installation and customer service including installations and repairs.

Electrical Planning & InstallationElectrical installationsDesign & construction of electrical systemsTemporary installations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Schultheis-Möckli AG Logo

Schultheis-Möckli AG

Since 1968 · 101–500 empl.4.6(5)

The company's core activity is the provision of electrical engineering services, in particular: planning and implementation of high and low voltage installations in new and renovation projects, service and maintenance of electrical systems, telematics projects, repair and maintenance work, and installation of communication and network solutions. The company offers these services to various sectors, including residential construction, commercial, industrial and public buildings.

Technical Consulting & EngineeringElectrical InstallationsService and MaintenanceTelematics and Communications Solutions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
InstaControl AG Logo

InstaControl AG

Since 2004 · 1–10 empl.

InstaControl AG is an independent inspection company that examines electrical installations and issues safety certificates for compliant systems. The company provides periodic electrical inspections, acceptance and quality checks, appliance testing, independent installation controls, electrobiology advice, and offers control and advisory contracts.

Electrical Planning & InstallationElectrical inspectionsAcceptance and quality inspectionsDevice testing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Schellenberg Elektro Logo

Schellenberg Elektro

Since 2004 · 1–10 empl.

The core activity of Schellenberg Elektro is the provision of services and solutions in the field of electrical engineering, particularly in the areas of: electrical installations (high and low voltage), telecommunications and internet, IT cabling, electromagnetic field measurements, building system technology, LED technology, and quality service. The company offers these services to private and business customers, focusing on the installation, maintenance, and repair of electrical systems and installations.

Electrical Planning & InstallationElectrical installationsTelecommunications and InternetIT cabling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
EL-Kontroll GmbH Logo

EL-Kontroll GmbH

Since 2014 · 1–10 empl.

The core activity of EL-KONTROLL GmbH is the independent inspection and control of power supplies and distributions to ensure compliance with standards and legal requirements, thereby guaranteeing the safety of customers.

Testing & Inspection CentersPeriodic inspectionsInspections on property transferFinal inspections
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Rhyner Lichtplanung GmbH Logo

Rhyner Lichtplanung GmbH

Since 2014 · 1–10 empl.

The core activity of Rhyner Lichtplanung GmbH is the planning, consulting and implementation of lighting concepts for various fields of application, particularly for private and commercial spaces. This includes the conception, planning and execution of lighting systems as well as advising customers on the optimal lighting solutions for their needs.

Technical Consulting & EngineeringLighting designHome consultationLighting courses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
WIN Elektro AG Logo

WIN Elektro AG

Since 2020 · 11–20 empl.

The core activity of WIN Elektro AG is the provision of electrical services, in particular the planning, installation, maintenance and operation of electrical systems for industry, residential and commercial construction. This includes, among other things: electrical installations for industrial and commercial buildings, single and multi-family homes; service and maintenance of electrical systems; installation and maintenance of PV systems; medium voltage systems; access control; and e-mobility solutions. The company offers customized and innovative solutions for complex electrical installations and their maintenance and operation.

Electrical Planning & InstallationElectrical installations for industry, new build and renovationAdvisory & planningPhotovoltaic systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Marquart Gebäudeautomation AG Logo

Marquart Gebäudeautomation AG

Since 2021 · 1–10 empl.

Marquart Gebäudeautomation AG provides planning, project management and technical site management for building automation systems, including the development of automation and measurement concepts, commissioning and quality assurance.

Electrical Planning & InstallationBuilding automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Elsiko GmbH Logo

Elsiko GmbH

Since 2013 · 1–10 empl.

Electrical Planning & Installation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
CKW Gebäudetechnik AG Logo

CKW Gebäudetechnik AG

Since 2022 · 51–100 empl.

CKW Gebäudetechnik AG is part of the CKW group and provides building-technology services and solutions. Its activities include planning, installation and maintenance of heat pumps, building automation, EV charging infrastructure, alarm and security systems, and electrical installations.

Electrical Planning & Installation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
IBG Engineering AG Logo

IBG Engineering AG

Since 1974 · 51–100 empl.4.5(2)

IBG Engineering AG is an engineering and consulting company providing services in the energy, building and inspection sectors. Services include operational management, network documentation and development, electrical planning, building automation, photovoltaics and metering and energy data management.

Electrical Planning & InstallationElectrical engineering planningBuilding automationIT and communications
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #18
ELPAG Elektrotechnik AG Logo

ELPAG Elektrotechnik AG

Since 2002 · 1–10 empl.3.7(25)

The core activity of ELPAG Elektrotechnik AG is the provision of services in the field of electrical engineering, particularly in the following areas: electrical installation, building automation, e-mobility solutions, photovoltaic systems, electrical planning, telematics, ICT, on-call services, and electrical control. The company thus offers a wide range of electrical engineering services, from planning and installation to maintenance and control.

Electrical Planning & InstallationElectrical InstallationService and Fault RepairBuilding Automation
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #19
Elektro-Tel AG für elektrotechnische Anlagen Logo

Elektro-Tel AG für elektrotechnische Anlagen

Since 1970 · 1–10 empl.3.6(19)

Elektro-Tel AG für elektrotechnische Anlagen provides planning, installation and maintenance of electrical and telecommunication systems, and offers building automation, photovoltaic systems, lighting, security solutions and e-mobility charging infrastructure.

Electrical Planning & InstallationElectrical designPower and low-current systemsService & maintenance
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #20
Elektro Roos AG Logo

Elektro Roos AG

Since 2002 · 1–10 empl.4.5(11)

The core activity of Elektro Roos + Gut AG is the provision of services in the field of electrical installations, including: weak current work (e.g. doorbell systems, intercom systems, video systems, service orders, repairs), strong current work (e.g. renovations, industry, maintenance), building cabling, installation of telephone exchanges, telephony and communication systems, and security systems. The company offers these services to private and business customers in the Winterthur and Zurich regions.

Electrical Planning & InstallationElectrical workTelephonyUniversal building cabling
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #21
ESK Schmid GmbH Logo

ESK Schmid GmbH

Since 2008 · 1–10 empl.5.0(2)

ESK Schmid GmbH is an independent provider of electrical and safety inspections, carrying out acceptance, final and recurring tests of electrical installations. Services include periodic electrical inspections, handover and acceptance checks, photovoltaic and lightning-protection tests, electrosmog and energy advice, device testing, and coordination with network operators and organisation of remedial work.

Electrical Planning & InstallationPeriodic electrical inspectionChange-of-ownership electrical inspectionAcceptance inspection
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
Solico GmbH Logo

Solico GmbH

Since 2016 · 21–50 empl.5.0(1)

The company's core activity includes the planning, installation, rental and maintenance of electrical systems, particularly in the field of audio, lighting and multimedia systems as well as IT infrastructures. This also includes cable assembly, soldering and adaptation work, as well as troubleshooting in these areas. The services are offered to a wide range of customers, including conference centers, churches, museums, companies, institutions and private associations.

Electrical Planning & InstallationInstallation, design and implementationRental of sound, light and multimediaIT support, management and planning
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #23
ETAH AG Logo

ETAH AG

Since 2018 · 11–20 empl.3.9(7)

ETAH AG is a company for electrotechnical installations offering electrical planning, new-build and renovation work as well as service and repairs. Its services include petrol-station construction and maintenance, commercial and industrial electrical projects, lighting and e-mobility charging infrastructure.

Technical Consulting & EngineeringElectrical planningElectrical installations and electrical serviceNew build and renovation
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
Kurt Bachmann AG, Ingenieurbüro für Elektrotechnik Logo

Kurt Bachmann AG, Ingenieurbüro für Elektrotechnik

Since 1982 · 21–50 empl.5.0(1)

The core activity of Kurt Bachmann AG is electrical planning and implementation for various construction projects, particularly for schools, hospitals, nursing homes and residential buildings. As an independent electrical engineer, the company offers competent consulting and services for the planning and implementation of electrical projects.

Electrical Planning & InstallationElectrical planning & realisationElectrical engineering consultingCondition assessment
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
Christian Scherrer Elektrotechnik Logo

Christian Scherrer Elektrotechnik

Since 2020 · 1–10 empl.

Christian Scherrer Elektrotechnik is an independent electrical engineering business. The company provides renovations and new installations, service work, network installations, e-mobility solutions, periodic inspections and acceptance checks, as well as certification of photovoltaic systems.

Technical Consulting & EngineeringElectrical installations for conversions and new buildsService workNetwork installations
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
Elektro Service Winti GmbH Logo

Elektro Service Winti GmbH

Since 2007 · 1–10 empl.3.7(3)

Elektro Service Winti GmbH provides planning, installation, electrical inspections and maintenance for electrical systems. The company delivers services related to electrical installations and safety checks.

Electrical Planning & InstallationElectrical installations
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #27
TS-Systems GmbH Logo

TS-Systems GmbH

Since 2023 · 1–10 empl.

The core activity of TS-Systems includes providing services in the following areas: Web development: creation of websites for business customers; Smart Home: installation and configuration of Loxone systems for intelligent building automation; Network technology: planning, installation and maintenance of network solutions for business customers; Electrical installations: support for electrical installation companies in planning and executing electrical installations. The company thus offers a combination of IT services, Smart Home solutions and electrical installations to support business customers in digitizing and automating their buildings and processes.

Electrical Planning & InstallationNetwork technologySmart HomeWeb development
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #28
CA

Cablegroup AG

Since 2015 · 1–10 empl.3.7(73)

Electrical Planning & Installation
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #29
Elecomp Pfenninger Logo

Elecomp Pfenninger

Since 2000 · 1–10 empl.5.0(1)

The core activity of the company Elecomp encompasses the following areas: Lighting technology: commissioning of new installations, revisions and maintenance of lighting systems; Information technology: data recovery, network analysis and express service; Electronics: repairs, control electronics, general electronics, entertainment electronics and fault analysis; Computer repairs. The company thus offers technical and electronic services, particularly in the areas of lighting, IT and electronic repairs.

Repair of Machinery & Electronic Devices
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #30
Eldimo Installationen GmbH Logo

Eldimo Installationen GmbH

Since 2020 · 1–10 empl.5.0(1)

Eldimo Installationen GmbH provides installations, service work, and repairs and maintenance. The company's website lists these services and contact information.

Electrical Planning & InstallationInstallationsService workRepairs / Maintenance
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #31
Elektro Rent Material AG Logo

Elektro Rent Material AG

Since 2025 · 1–10 empl.

Electrical Planning & InstallationRenting temporary electrical installationsPlanning, installing and erecting temporary electrical installationsTechnical support and documentation
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #32
1A Elektrokontrollen GmbH Logo

1A Elektrokontrollen GmbH

Since 2023 · 1–10 empl.5.0(1)

1A Elektrokontrollen GmbH performs periodic and independent electrical inspections, acceptance and final checks, and issues safety certificates and test reports. Services include photovoltaic system acceptance, Pronovo certifications up to 100 kWp, inspection of electric vehicle charging stations, appliance testing and thermographic measurements, plus coordination with electricians and support for owners, managers and companies.

Electrical Planning & InstallationElectrical inspectionsConsulting and appointment scheduling
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #33
DANEV ELEKTROTECHNIK AG Logo

DANEV ELEKTROTECHNIK AG

Since 2025 · 1–10 empl.

DANEV ELEKTROTECHNIK AG provides electrical installations as well as planning, maintenance and service work. The company also handles network installations, KNX automation, photovoltaic systems, EV charging solutions and electrical inspections.

Electrical Planning & InstallationElectrical PlanningElectrical InstallationsMaintenance and Service Work
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #34
Brisatec Elektroservice Haliti Logo

Brisatec Elektroservice Haliti

Since 2025 · 1–10 empl.

Brisatec Elektroservice Haliti provides electrical installation, maintenance, repair and electrical planning services for homes, offices and industrial facilities. Its services also include smart home systems, EV charging infrastructure, and fire protection and backup power systems.

Repair of Machinery & Electronic DevicesElectrical installationsElectrical planning and consultingMaintenance and repair of electrical systems
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #35
Nasufi Company Logo

Nasufi Company

Since 2026 · 1–10 empl.

Nasufi Company provides fibre-optic installation services, including splicing, cable pulling, mounting, and fault repair for FTTH networks. The company handles the full BEP-to-OTO connection and documents measurements and work carried out.

Technical Consulting & EngineeringFiber SplicingFiber Cable PullingFiber Fault Service and Repair
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #36
L&S Elektro Installationen Ibrahimi Logo

L&S Elektro Installationen Ibrahimi

Since 2012 · 1–10 empl.

L&S Elektro Installationen Ibrahimi provides electrical installation services as well as services in multimedia, home automation and planning. The website also lists an email contact and a location in Winterthur.

Electrical Planning & InstallationElectrical installationsMultimedia installationsHome automation
No score yet
RS Technology GmbH Logo

RS Technology GmbH

Since 2021 · 1–10 empl.

RS Technology GmbH is a provider of sun-shading and roller-shutter systems, gate solutions and home automation. The company plans, installs, services and repairs sun protection systems, gates and intelligent control systems, including retrofitting with motor drives and ongoing maintenance.

Repair of Machinery & Electronic DevicesRoller shutters & sun blindsHome automationGates & gate control
No score yet
AB

A. Bischof AG

Since 1966 · 1–10 empl.

Electrical Planning & Installation
No score yet
KA

KMW-Electric AG

Since 1978 · 1–10 empl.

Electrical Planning & Installation
No score yet
EH

Elektro Hillmann

Since 1982 · 1–10 empl.

Electrical Planning & Installation
No score yet
SE

Sprint Elektro GmbH

Since 1995 · 1–10 empl.

Electrical Planning & Installation
No score yet
EE

EVG Elektro Giacomo Visinoni

Since 1998 · 1–10 empl.

Electrical Planning & Installation
No score yet
ME

Mächler Elektrische Anlagen

Since 2005 · 1–10 empl.

Electrical Planning & Installation
No score yet
WE

Wista Elektro AG

Since 2009 · 1–10 empl.

Testing & Inspection Centers
No score yet
RE

RS Elektro GmbH

Since 2011 · 1–10 empl.

Electrical Planning & Installation
No score yet
ME

Marena Elektro Service

Since 2011 · 1–10 empl.

Electrical Planning & Installation
No score yet
AG

Achinet Gebäudetechnik GmbH

Since 2013 · 1–10 empl.

Electrical Planning & Installation
No score yet
EE

EVG Elektro Installationen AG

Since 2014 · 1–10 empl.

Repair of Consumer Goods
No score yet
SA

Schibli AG

Since 2014 · 1–10 empl.

Electrical Planning & Installation
No score yet

Electrical Planning & Installation in Winterthur

59Electrical Planning & InstallationCommercial register (Zefix) · as of October 11, 2026
2013Median year of registrationCommercial register (Zefix) · as of October 11, 2026
1,104in the Canton of ZurichCommercial register (Zefix) · as of October 11, 2026
6,517in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Electrical Planning & Installation in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026