Expertise that goes beyond network hardware

From OT/IT networks and cybersecurity to monitoring, training and technical support. 4net helps organisations design, secure and manage reliable network infrastructures.

Professionals in a data centre reviewing network configuration on a laptop

Why customers choose 4net

4net combines technical expertise, practical experience and personal support to deliver reliable network solutions for industrial and business environments. From advice and design to implementation, monitoring and support: we help organisations keep their networks secure, stable and future-ready.

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Focus on reliability and cybersecurity

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Rental and sale of professional equipment

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Personal support from analysis to delivery

Our expertise

OT/IT networks in industrial environment

OT/IT Networks

Secure and reliable OT and IT networks that seamlessly connect production environments, machines and business networks.

Industrial cybersecurity

Industrial Cybersecurity

Protection of critical networks, systems and infrastructure against cyber threats and unauthorised access.

Network monitoring and management

Monitoring & management

Greater visibility, control and continuity through network monitoring, asset management and proactive management.

Connectivity and cabling

Connectivity & Cabling

Design, selection and support for copper, fibre optic and wireless network infrastructures. Based on years of practical experience in structured cabling and fibre optic technology.

Measurement and test equipment for networks

Measurement & test equipment

Professional solutions for certification, measurements, troubleshooting and fibre optic installations.

4net Academy and technical expertise

4net Academy & Technical Expertise

Practical training, certification and technical support for installers and IT teams. From product knowledge and fibre optic technology to certification, system warranties and network expertise.

Our Services

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Analysis & Advice

Technical advice, network assessments and architecture proposals tailored to your environment.

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Design & Implementation

From network design and configuration to staging, installation and commissioning.

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Certification & Measurements

Professional measurements and certification of copper and fibre optic installations.

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Monitoring & Support

Support, troubleshooting and management to keep networks secure and available.

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Training & Knowledge Sharing

Training on fibre splicing, certification, network technology and industrial connectivity.

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Equipment Rental

Flexible rental of professional measurement and test equipment for temporary projects.

Trainer pointing at network diagram during 4net Academy training session

4net Academy

Practical training for installers and technical teams

Through 4net Academy we share our expertise in fibre optic technology, network infrastructure, measurement and test equipment, and industrial networks.

From hands-on workshops and certification programmes to technical product training: our courses focus on knowledge that can be applied immediately in practice.

This helps organisations work more efficiently, avoid errors and get more return from their network infrastructure and technical expertise.

Technician working with professional fibre optic fusion splicer

Rental of test and measurement equipment and fusion splicers

Not every project requires an immediate investment

That is why 4net offers professional measurement and test equipment for hire.

We also rent professional fusion splicers. From network certification to fibre optic installations: you have the right equipment, technical support and the flexibility to work efficiently when you need it.

Organisations can hire equipment first, evaluate it and test it in practice before investing in a definitive solution.

Companies that trust us

4net works with leading technology partners for secure, high-performance and reliable OT and IT networks. From industrial networks and cybersecurity to wireless infrastructure and datacenter solutions.

Expertise applied in your sector

Every sector has different requirements for reliability, cybersecurity, connectivity and management. 4net always starts from the specific challenges of your environment.

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Data Centres & Critical Infrastructure

Frequently asked questions

4net supports industrial companies, logistics organisations, machine builders, utilities, datacenters, government bodies, enterprises, and installers in designing, securing, and managing network infrastructures.
No. In addition to industrial OT networks, we also support corporate networks, datacenters, wireless networks, and critical communication environments.
No. In addition to network hardware and connectivity solutions, we also offer consulting, design, monitoring, training, technical support, and rental of measurement and test equipment.
Yes. We support both new projects and existing installations. This can range from troubleshooting and optimisation to expansions, monitoring, and cybersecurity.
Yes. Through 4net Academy, we organise hands-on training on fibre optics, certification, network infrastructure, industrial networks, and measurement and test equipment.
Both open courses and customised training are available.
Yes. Many training courses can be fully tailored to your environment and can also be organised on-site at your premises, even on the job site.
Yes. We offer professional measurement and test equipment for network certification, fibre optic installations, and troubleshooting, including technical support.
Yes. In many cases, organisations can rent or evaluate equipment first before making a purchase decision. This allows you to choose based on practical experience.
Yes. We offer post-delivery support through technical support, monitoring, troubleshooting, training, and consulting.
We support solutions for industrial networks, cybersecurity, monitoring, copper and fibre optic cabling, wireless networks, and professional measurement and test equipment, among others.