Meeting the demands of tomorrow – today. That's progress.

LEONI represents a gathering of expertise – in energy and communications networks, public buildings, civil engineering, offices, data centres and industry. As one of the world's leading manufacturers of standard and customised speciality cables, cable assemblies and systems, we attach great importance to sustainability. We create connections that benefit everybody – whether by our future-proof innovations based on forward looking attitudes, or by our environmentally-friendly production materials and processes.

The technical demands made on materials, manufacturing processes and logistics have grown as a result of increasing globalisation and urbanisation, as well as the growth in networks; in addition, all types of projects are suffering a growing pressure on costs. This is why LEONI is your partner for success: LEONI provides you with optimum performance, right from the project’s very first stages.

Put your trust in the best partner to suit your needs

Investors, integrators, designers, installers and the trade – you can now get all your cabling, connectivity and complete cabling solutions from a single source …. from copper and fibre optic technology to halogen-free energy cables, with or without circuit integrity. Constant safety, environmental compatibility and energy efficiency innovations complete the list of customer benefits. As a result of its on-site consultancy services and extensive experience, LEONI is a recognised project partner around the world.



Infrastructure – for maximum safety in cabling for buildings

Our BETAflam® and BETAfixss® branded products set the standard – in buildings, in underground construction and in traffic infrastructure. BETAflam® cables (based on our proprietary patented design and production processes) ensure maximum safety and performance. The halogen free, fire resistant insulation materials meet all the relevant standards while their extended service life also presents a compelling advantage. more…



Datacom – for maximum data integrity and bandwidth 

From the very beginning of the digital data era, our Infrastructure & Datacom Business Unit (BU) has fulfilled data networking requirements for both the short term and the far future by using great innovation and a forward-looking approach. The profound expertise of the Infrastructure & Datacom BU in copper and fibre optical cabling technologies represents a powerful advantage in structured cabling systems for industry, data centres and offices. We combine vast experience, a unique service and products portfolio and the decades of success in the datacoms field that have already been produced by some companies within the LEONI Group – particularly our subsidiary LEONI Kerpen. more... 



All over the world.

Our sales network


You will find detailed product-information of the LEONI Business Unit Datacom directly on their website.