IT Support. Direct & reliable.

No ticket system. No call center. One contact person who knows your IT and helps when you need them.

What we solve

Remote Support & Remote Access

Most IT problems can be solved via secure remote access — without waiting for an on-site appointment. Software errors, configuration issues, malware, email problems.

  • Windows, macOS, Linux
  • Microsoft 365 & email
  • Printers & peripherals
  • VPN & remote access

On-Site Service in Northern Hesse

When remote help is not enough — hardware defects, setting up new devices, cabling, server maintenance. We come to you in Northern Hesse and Kassel.

  • Hardware diagnostics & repair
  • Setting up new devices & workstations
  • Servers & network on-site
  • Cabling & server rooms

Ongoing IT Care

As your dedicated IT partner we proactively manage your systems — updates, security, backup monitoring. So problems don't arise in the first place.

  • System updates & patches
  • Security monitoring
  • Backup monitoring & testing
  • Monthly status report

Why Nexterium for your IT support?

Direct contact

No hotline, no ticket numbers. You have one phone number and email address — and the person who answers knows your IT.

Regional & fast on-site

As a company in Diemelstadt we are quickly reachable for customers in Northern Hesse and Kassel — when things get urgent.

Transparent pricing

No hidden costs, no mileage mysteries. What we charge, we discuss upfront — and you decide.

IT we know

We exclusively serve SMEs — no large corporations, no anonymous mass processing. Your IT is in good hands with us.

Common questions

How quickly can you help with problems?

Directly — no ticket system, no call center. You reach us by phone or email and get a person who knows your system. Remote support often the same day.

What does IT support cost?

One-time calls are billed by the hour. For ongoing support there are flat-rate packages — clear pricing, no surprises. Details on our pricing page.

Do you come on-site?

Yes. We are quickly on-site in Northern Hesse and Kassel — for problems that remote access can't solve. Hardware replacement, cabling, setup.

Which systems do you support?

Windows, macOS, Linux. Microsoft 365, email, printers, network, servers, backup. For specialized industry software, please contact us.

IT problem? We're here.