
Specialist company for electrical installation, lighting design, smart home and charging infrastructure since 1932
Birkholz Elektrotechnik GmbH & Co. KG
Gütersloh (Friedrich-Ebert-Straße 48) · DENew on Amplifa
About Birkholz Elektrotechnik
Birkholz Elektrotechnik GmbH & Co. KG is a specialist electrical company based in Gütersloh that has been delivering electrotechnical project solutions for private, commercial and real estate customers since 1932. The service portfolio includes electrical installations for new builds, renovations and extensions, fault diagnosis and repair, E-Check safety inspections as well as service and maintenance of electrical systems. A second focus is on customised lighting concepts with lighting calculations, simulations and visualisations in collaboration with architects, interior designers and building owners. The offering is complemented by smart home and automation solutions for controlling lighting, heating, shutters and security systems, as well as the planning and installation of charging infrastructure including load and energy management and subsidy consulting. The company is led by Marco Diekmann (master electrician) and Sabine Diekmann (certified lighting designer, LPA) and operates from Friedrich-Ebert-Straße 48 in Gütersloh. Projects are accompanied from consultation and site survey through concept and quotation to on-time implementation.
- Site
- Gütersloh
- Processes
- Electrical installations (new build, renovation, extension), Fault diagnosis & repair (power outages, short circuits, defective cables), E-Check (safety inspection of electrical systems and devices), Service & maintenance of electrical systems, Lighting concepts & lighting design (lighting calculations, simulations, visualisations), LED lighting solutions installation, Smart home & automation (installation, programming, commissioning; control of lighting, heating,, Wallbox & charging infrastructure installation (private and commercial)
- Materials
- Copper (cables, implicit electrical installation), Copper, Plastic
- Founded
- 1932
- Industries
- Private (residential), Commercial, Real estate / architecture
- 01
Consultation and on-site survey
- 02
Concept development and binding quotation
- 03
Planning (including lighting calculation, simulation, visualisation)
- 04
Installation / implementation
- 05
Testing (e.g. E-Check)
- 06
Service & maintenance
Technologies & Materials
Copper
Material for cables and installations in electrical engineering.
Plastic
Used in installations and system components in electrical engineering.
Locations

Gütersloh
DEHead office / operations
- Materials
- Copper, plastic
Service Areas




Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Electrical installations (new build, renovation, extension)Assembly | – | – | – | – | Copper, Plastic |
| Fault diagnosis & repair (power outages, short circuits, defective cables)Assembly | – | – | – | – | – |
| E-Check (safety inspection of electrical systems and devices)Testing | – | – | – | – | – |
| Service & maintenance of electrical systemsAssembly | – | – | – | – | – |
| Lighting concepts & lighting design (lighting calculations, simulations, visualisations)Engineering | – | – | – | – | – |
| LED lighting solutions installationAssembly | – | – | – | – | – |
| Smart home & automation (installation, programming, commissioning; control of lighting, heating,Assembly | – | – | – | – | – |
| Wallbox & charging infrastructure installation (private and commercial)Assembly | – | – | – | – | – |
| Load and energy managementEngineering | – | – | – | – | – |
Additional services
Reference customers
History
- 1932
Founded as a classic electrical business; today a partner for holistic project solutions