
Electrotechnical service provider for installation, data networks, security systems, photovoltaics and e-mobility in the Berlin-Brandenburg region

ESL Elektro-Service Ludwigsfelde GmbH
LudwigsfeldeNew on Amplifa
About ESL Elektro-Service Ludwigsfelde GmbH
ESL Elektro-Service Ludwigsfelde GmbH is an electrotechnical service provider that has been active in the market since 2004, headquartered in Ludwigsfelde (district of Teltow-Fläming, Brandenburg). Its 23-strong team of master electricians, technicians and journeymen advises, plans, measures and installs electrotechnical systems for industrial companies, corporate sites, public institutions and homeowners. The service spectrum includes electrical installation in industry and residential construction, network and energy technology, structured data network cabling according to EN 50173-1 including fibre-optic measurements, splicing and OTDR measurement, energy-efficient LED lighting, security systems such as fire and intrusion alarm systems, video surveillance and access control, KNX and smart home technology, SAT and cable systems, photovoltaics, charging stations for e-mobility including energy management, construction site power supply, and inspections according to DGUV Regulation 3 (E-Check). Customers include, among others, Siemens Energy, Rolls-Royce, MTU, Mercedes-Benz and the University of Potsdam. The company is ISO 9001 certified, a member of the Süd-Märkische Elektroinnung (electrical guild) and has been awarded the Prize of the Economy of Teltow-Fläming several times.
- Site
- Ludwigsfelde
- Processes
- Electrical installation (industry, commercial, residential construction), Network and energy technology, Data networks / structured cabling, FO measuring, splicing and OTDR measurement, Lighting (industry, office, street, residential, LED), KNX and smart home, SAT and cable systems, Photovoltaics
- Materials
- Data networks / structured cabling, Fibre optics (FO), Fire and intrusion alarm systems, KNX and smart home, Photovoltaics, E-mobility / charging stations, DGUV Regulation 3 / E-Check
- Certificates
- ISO 9001 (QM), Installation company for intrusion alarm systems, Specialist company for fire alarm systems, Crafts card (Chamber of Crafts Potsdam 0064510, electrical engineering trade), Liability insurance €5 million, Tax clearance certificate § 48b EStG, ISO 9001
- Founded
- 2003
- Employees
- 23
- Industries
- Industry, Public institutions, Education/Science, Residential/Homeowners, Crafts/Trade, Logistics
- 01
Consulting
- 02
Planning (including DDS CAD)
- 03
Installation
- 04
Measurement and certification
- 05
Maintenance and support
Services and Technology
Data networks / structured cabling
Cabling according to EN 50173-1 with CAT 5 to CAT 7 as well as single-mode and multimode fibre-optic cables incl. OTDR measurement.
Fibre optics (FO)
Measuring, splicing and certifying fibre-optic lines up into the gigahertz range.
Fire and intrusion alarm systems
Installation and maintenance contracts for fire and intrusion alarm systems as a certified specialist and installation company.
KNX and smart home
Central control of lighting, heating, blinds and security systems.
Photovoltaics
Planning and installation of grid-connected solar systems for private and commercial customers.
E-mobility / charging stations
Charging solutions for home, businesses and public areas including energy management.
DGUV Regulation 3 / E-Check
Testing of electrically powered equipment and systems in accordance with the Occupational Health and Safety Act and the Industrial Safety Ordinance.
Site

Ludwigsfelde
DEHeadquarters with office, workshop, warehouse and vehicle fleet
Service Areas





Inside the production




Industries
Additional services
Quality and Certificates
Since 2007, ESL has been working with a certified quality management system according to ISO 9001 (valid until 2027) and is an installation company for intrusion alarm systems as well as a specialist company for fire alarm systems. Electrotechnical safety is ensured through inspections according to DGUV Regulation 3 (E-Check) and regular further training of employees.
| Evidence | Ludwigsfelde |
|---|---|
| ISO 9001 |
History
- 2002
Date of incorporation according to tax office: 09.08.2002 (corporation)
- 2003
Founding of ESL
- 2004
Start of operations; headquartered in Ludwigsfelde
- 2005
Business management qualification in an experience-sharing group with electrical companies
- 2007
Introduction of QM system and certification according to ISO 9001:2000
- 2009
Membership in the Süd-Märkische Elektroinnung
- 2011
Winner of the Teltow-Fläming Economic Prize
- 2014
Introduction of DDS CAD
- 2016
Expansion to include alarm and fire alarm systems
- 2018
Measuring technology for fibre-optic measurements incl. OTDR measurement
- 2019
Winner of the Prize of the Economy of Teltow-Fläming, Crafts category
- 2020
Finalist of the Grand Prize for SMEs
- 2021
Move to new company premises with construction of a new headquarters
- 2024
20 years serving customers
- 2026
Nomination for the Grand Prize for SMEs; three electrical journeymen passed their examination