Integrated solutions for the secure & efficient operation of digital infrastructures
Comprehensive service in all project phases
Our experienced staff will accompany your project - from planning to installation, documentation and ongoing operation. Trust in over 30 years of know-how.

Optimize your IT infrastructure - Future-proof and flexible
A modern, secure IT infrastructure is the basis for digital technologies and applications. That is why it makes sense to rely on fiber-optic cabling solutions from Rosenberger OSI. Benefit from high availability, performance and scalability. We take a comprehensive, individual approach to your IT applications and processes. We have placed our expertise in the service of customer projects for over 30 years. The result: an IT infrastructure that is optimally adapted to your requirements. We will be happy to help you find the optimum solution. Contact us
Topics:
400GBase-Ethernet800GBase-EthernetSpine-Leaf cablingHigh density panel systemsOn-Premises, colocation or cloud?Data center relocation
Successfully implemented projects - Thats what our customers say
"We appreciate Rosenberger OSI’s short decision-making paths, rapid service provision and operational flexibility. Rosenberger OSI supported us so well with its expertise and proposed solutions that our everyday work was made a lot easier."
envia TEL GmbH
"...That is why we only choose to work with partners and suppliers that can guarantee high quality standards and innovative solutions, such as Rosenberger OSI."
Elmec Informatica S.p.A.
"Despite the sometimes somewhat critical conditions in the installation environment, the Rosenberger OSI team has implemented our specifications in an exemplary manner..."
Tennet Holding B.V.
News & Media
09/26/2023
Optical path - polarity - coding
Polarity of full-duplex and half-duplex patchcords
Standardization of the polarity of fiber-optic trunk cabling
Standardization of the polarity of MTP®/MPO cabling
09/22/2023
Data Centre World Paris - Visit us on site
November 15 - 16, 2023
Data Centre World Paris
Make an appointment with us on site.
09/19/2023
Vlog #11 Patch Location Rack COMFORT - Reliability and ease-of-use
OSI Insights in our video-blog:
Patch Location Rack COMFORT
Reliability and ease-of-use combined with high packing density
09/12/2023
More space, security and comfort in the data center - but how?
By optimizing the use of available space, reducing energy consumption and improving operability, companies can save costs while maintaining an efficient and powerful IT infrastructure.
About Rosenberger OSI
Since 1991 Rosenberger Optical Solutions & Infrastructure (Rosenberger OSI) is a recognized expert for fiber-based connectivity, cabling solutions and infrastructure services in the areas of data centers, local area networks, mobile networks and industrial applications. As an integrated solution provider we have a profound expertise in developing and producing system solutions for communication networks. Our comprehensive service offering enables the secure and efficient operation of digital infrastructures. That combination, along with our strong customer focus as well as being integrated in the worldwide operating Rosenberger Group, is unique and makes us a strong partner in the global market.
1991 founded
830 employees
> 6 Mio. assembled fiber ends per year
> 500 international customers
Memberships
Rosenberger OSI itself is a member of various associations and thus works actively towards optimising economic constructions, raising product and maintenance quality, and improving production and delivery efficiency.
