
Electrical and communication technology from Holzminden: installation, building technology, security technology and electromobility.

Dötzer Elektro- und Kommunikationstechnik GmbH
HolzmindenNew on Amplifa
About us
Dötzer Elektro- und Kommunikationstechnik GmbH is a trade business from Holzminden that carries out electrical installation and communication technology for private customers, residential buildings, commercial clients, industrial companies and public spaces. The service portfolio includes conventional electrical installation in new builds and modernizations, electromobility with charging stations and charge management, building systems technology (smart home), TV reception systems (DVB-S, DVB-C), network and data technology with measurements including a data protocol, as well as fire alarm systems, burglar alarm systems and emergency and safety lighting. In addition, the business performs commissioning of operating equipment in industrial companies, troubleshooting and fault clearance, as well as inspection and maintenance of electrical systems. In the field of fire protection the company is certified and manages projects from planning through execution to maintenance; certifications from the BHE (Bundesverband Sicherheitstechnik) are held in the field of burglar alarm systems. The headquarters at Oberbachstraße 16 features an office and a showroom for switch programs and electrical installation. The company trains electronics technicians for energy and building technology and places great value on the solid training and continuing education of its employees.
- Site
- Holzminden
- Processes
- Conventional electrical installation (new builds and modernization), Installation of charging stations / charging solutions for electromobility, Building systems technology / smart home, Installation and maintenance of TV reception systems (DVB-S, DVB-C), Network technology / data networks (new installation, expansion, measurements with data protocol), Fire alarm systems / smoke detectors (planning, execution, maintenance, servicing), Burglar alarm systems (installation and networking), Emergency and safety lighting
- Certificates
- Certifications in the field of fire alarm technology, Certifications from the BHE (Bundesverband Sicherheitstechnik), Fire alarm technology certification, BHE (Bundesverband Sicherheitstechnik)
- Founded
- 1998 (as
- Industries
- Private customers/single-family homes, Residential buildings, Commercial, Industrial companies, Public spaces/public construction
- 01
Consulting and project planning
- 02
Quotation and planning phase
- 03
Installation and assembly
- 04
Commissioning and measurement
- 05
Maintenance, inspection and customer service
Location

Holzminden
DEHeadquarters with office and showroom for switch programs and electrical installation
Service areas









Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Conventional electrical installation (new builds and modernization)Assembly | – | – | – | – | – |
| Installation of charging stations / charging solutions for electromobilityAssembly | – | – | – | – | – |
| Building systems technology / smart homeAssembly | – | – | – | – | – |
| Installation and maintenance of TV reception systems (DVB-S, DVB-C)Assembly | – | – | – | – | – |
| Network technology / data networks (new installation, expansion, measurements with data protocol)Assembly | – | – | – | – | – |
| Fire alarm systems / smoke detectors (planning, execution, maintenance, servicing)Assembly | – | – | – | – | – |
| Burglar alarm systems (installation and networking)Assembly | – | – | – | – | – |
| Emergency and safety lightingAssembly | – | – | – | – | – |
| Commissioning of operating equipment in industrial companies, troubleshooting and fault clearanceAssembly | – | – | – | – | – |
Additional services
Qualifications and certification
Certifications are held in the field of fire alarm technology; in the field of burglar alarm systems, certifications from the BHE (Bundesverband Sicherheitstechnik e. V.) are held. The company is a member of the Landesinnungsverband Elektro and of the Chamber of Electrical Engineering Holzminden.
| Evidence | Holzminden |
|---|---|
| Fire alarm technology certification | |
| BHE (Bundesverband Sicherheitstechnik) |
Company history
- 1998
Founding of Dötzer & Ostermann Elektrotechnik by Thomas Dötzer and Ulrich Ostermann
- 2003
Departure of Ulrich Ostermann; continued as a sole proprietorship by Thomas Dötzer
- 2008
GmbH incorporation and Patrick Hasler joining as co-partner