Hyperscale server room, Frankfurt am Main
Cable routes, cable pulling, labelling and connections in a live hyperscale server room.
Data centres
Electrical contractor · Europe
Powering industry. Connecting the future.
Cable containment, cabling, terminations and control cabinets — installed by our own crews in data centres, automotive plants and industrial sites across Europe.
01Company
A reliable electrical partner on site.
BMJB is an electrical contractor registered in Poland and working on industrial sites across Europe, mainly in Germany and Belgium. We install cable containment, pull, terminate and label cables, build control cabinets in our own workshop and connect machines, robots and panels to schematics.
Our crews arrive self-sufficient: our own foreman, tools, vans and accommodation, with every posting document in place before the first day on site.
About us
02Capabilities
From containment to final connection.
Complete installation packages in live industrial environments, delivered by the same team from the first cable tray to the last termination.
- 01 Electrical installation From containment to final connection: complete installation packages in live industrial environments.
- 02 Control cabinets Our own prefabrication workshop builds and wires cabinets to your drawings, ready to install on site.
- 03 Data centres & low voltage Server rooms and data halls delivered to the strict standards of hyperscale clients.
- 04 Photovoltaics Rooftop and ground-mounted PV installations, from mounting to grid connection.
- 05 Offshore electrical works Electrical installation and service on offshore vessels and equipment, with a permanent crew.
03Selected projects
Work you can inspect.
Every project below is documented with location, year, crew size and scope, photographed by our teams on site.
BMW plant Irlbach
Electrical infrastructure, cable routes, cabling and connections for production lines.
Automotive
Robot cells, Montblanc
Electrical installation of industrial robot cells and their control cabinets.
Automotive
BMW Swindon
Installation and connection of robot cells and control cabinets.
Automotive
Offshore electrical works for DEME
Electrical installation and service on offshore vessels and equipment, with a permanent crew.
Offshore
Photovoltaic plant, Friedland
Electrical installation of a ground-mounted photovoltaic plant, including cable trenches and transformer-station connections.
Renewables
04Industries
Sectors where our crews deliver.
-
01
Data centres
Frankfurt am Main · Warsaw · Belgium · Bad Reichenhall
-
02
Automotive
BMW Irlbach · BMW Swindon · Montblanc · BEP Europe for five car makers
-
03
Industrial plants
Achim · Bochum · Krefeld · Bischofswiesen · Evergem
-
04
Renewables
Berlin · Friedland
-
05
Offshore
DEME, permanent crew of six
05On site
Precision in the details.
Clean routing, consistent labelling, documented terminations. The details a site manager checks at handover.
06Why BMJB
Built for mobilisation.
- 15+
- projects delivered on European sites since 2021
- 5
- countries, plus offshore installation work
- 16
- electricians on a single site at peak (Achim, 2025)
- 4–16
- people per crew, on one or several sites
Self-sufficient crews
Own foreman, tools, vans, PPE and accommodation on every job. One contact who plans the crew and reports to your site team.
Paperwork handled
A1 certificates, SCC and the German tax exemption (§ 48b EStG) ready before mobilisation.
Clear communication
Electricians who work in English or German on site.
Own cabinet workshop
Control cabinets built and wired to your drawings, checked before delivery and connected by the same team.
07How we work
From enquiry to handover.
- 01
Enquiry
You describe the site, scope and timeframe.
- 02
Scope & drawings
We review drawings and clarify quantities and interfaces.
- 03
Quotation
A clear offer for a crew or a defined work package.
- 04
Mobilisation
Crew, foreman, tools, vans, accommodation and documents.
- 05
Delivery & handover
Installation, labelling and documented handover.
Discuss your project
Planning an installation?
Send us the scope or drawings of your project. We will get back to you to discuss crew size, schedule and quotation.