Professional Network Infrastructure for Businesses
Reliable, scalable, and secure network solutions for your business in Diemelstadt, Kassel, and across Hesse.
A stable and high-performance network infrastructure is the backbone of every modern business. Whether you are setting up a new office, modernizing your existing IT infrastructure, or resolving issues with your current network performance – Nexterium is your competent partner for holistic network solutions in Northern Hesse.
As a systems house in Diemelstadt, we support small and medium-sized businesses (SMEs) in planning, installing, and maintaining their network infrastructure. From structured cabling and switch configuration to firewall setup and VPN – we cover all aspects of modern enterprise networks.
Our Network Services
Network Planning & Design
We analyze your requirements and create a tailored network concept that addresses both your current and future needs. We place particular emphasis on scalability, resilience, and performance.
- ✓Requirements Analysis and Site Survey
- ✓Structured Network Documentation
- ✓Future-Proof Architecture Planning
Switch Configuration & Cabling
Structured cabling to current standards (Cat6A, Cat7) and professional switch configuration for optimal network performance. We work with high-quality components for long-lasting infrastructure.
- ✓Structured Cabling (Cat6A/Cat7)
- ✓Managed Switch Configuration
- ✓VLAN Segmentation for Security
- ✓PoE (Power over Ethernet) for Access Points & IP Phones
VPN & Remote Access
Secure remote access for your employees working from home or on the go. We implement VPN solutions that meet the highest security standards while remaining user-friendly.
- ✓Site-to-Site VPN Between Locations
- ✓Client VPN for Home Office
- ✓Multi-Factor Authentication (MFA)
- ✓WireGuard, OpenVPN or IPsec
Why Nexterium for Your Network Infrastructure?
Local Expertise
As a systems house in Diemelstadt, we are quickly on-site in Northern Hesse, Kassel, and the surrounding area. Direct contact — no ticket system.
Vendor-Neutral
We recommend the solution that fits you best – regardless of manufacturer. Cisco, Ubiquiti, WatchGuard, pfSense – we work with all leading brands.
Certified Technicians
Our team has extensive experience and up-to-date certifications in network technology and IT security.
Complete Documentation
After every project you receive complete technical documentation including a network diagram, IP schema, and configurations.
Typical Use Cases
Setting Up a New Office
Moving into a new office or opening an additional location? We plan and install your complete network infrastructure from the ground up – from cabling and WLAN to firewall setup.
Modernizing an Existing Network
Has your network become slow or no longer meets current security standards? We analyze your existing infrastructure and perform targeted optimizations – often without a complete reinstallation.
Connecting Home Office Workers
Do some of your employees work from home? We set up secure VPN connections so your teams can access company resources from anywhere – with full encryption and GDPR compliance.
Frequently Asked Questions
Was kostet eine professionelle Netzwerk-Planung?
Die Kosten variieren je nach Unternehmensgröße und Anforderungen. Unsere IT-Beratung erfolgt zu 110€/Stunde. Eine typische Netzwerk-Analyse für ein KMU mit 10-20 Arbeitsplätzen dauert ca. 4-8 Stunden.
Wie lange dauert die Installation einer neuen Netzwerk-Infrastruktur?
Je nach Größe des Unternehmens zwischen 1-5 Arbeitstagen. Bei einem typischen Büro mit 10 Arbeitsplätzen planen wir 2-3 Tage für die komplette Installation inkl. Verkabelung, Switch-Konfiguration und WLAN-Setup ein.
Können Sie bestehende Netzwerke optimieren?
Absolut. Wir analysieren Ihre bestehende Infrastruktur, identifizieren Engpässe und Sicherheitslücken und optimieren Ihr Netzwerk für bessere Performance und Sicherheit.
Unterstützen Sie auch VPN-Lösungen für Remote-Arbeit?
Ja, wir planen und implementieren sichere VPN-Lösungen, damit Ihre Mitarbeiter von überall sicher auf Ihre Unternehmensressourcen zugreifen können. Wir arbeiten mit verschiedenen Herstellern wie WatchGuard, FortiGate oder pfSense.
Was passiert bei Netzwerk-Problemen?
Wir bieten schnellen Remote- und Vor-Ort-Support in Nordhessen und Umgebung. Kontaktieren Sie uns direkt — kein Ticket-System, kein Call-Center.
Request a Network Analysis
Let us discuss your network requirements. We will create a non-binding offer for your IT infrastructure.