Your safe harbour for SME IT
Reliable IT solutions for companies in Schleswig-Holstein and Hamburg – and remotely. Secure, predictable and without complicated technical jargon.
Benefits
Your IT partner for small and midsize businesses
Reliable, down-to-earth, direct—we take care of your IT so you can concentrate on your core business. Whether you need a maintenance contract or customized solutions, we ensure security, stability, and predictability in your digital infrastructure.
Fast response times
IT problems solved immediately and downtime reduced.
IT security & backups
No backup? No chance. Your data is protected at all times.
Predictable costs
Flat-rate models for maximum cost transparency and full control.
Personal service
Northern German, direct & without technical jargon – understandable & reliable.
Our partners
Services
Our IT solutions with a clear vision
We are your partner for IT security, infrastructure, and the digital future. Instead of a confusing list of individual services, we rely on a clear structure:
- Long-term IT maintenance contracts
- Proactive monitoring & support
- Fast help via remote & on-site
- Firewall, malware protection, and network security
- Data protection & backup strategies
- Emergency assistance in the event of cyber attacks
- Setup and maintenance of servers and networks
- Cloud solutions for flexible and remote work
- Migration and optimization of your IT landscape
Services
A selection of our services
We offer customized IT services that make your business secure, efficient, and future-proof.
IT Karstens
Why IT-Karstens – your partner for secure and stable IT
We know exactly what craft businesses, small and medium-sized enterprises, and service providers need. No unnecessary complexity — just solutions that work.
Reliability instead of experiments
We rely on proven technologies that run stably and securely.
Dedicated contact person
No call center, no confusing ticket system, just direct contact with IT experts.
Proactive protection
We don't wait until something breaks, we prevent problems before they arise.
Regional & accessible
We support you in German and English, are there for you in Schleswig-Holstein and Hamburg, remotely and solve problems directly.
Henrik Karstens
Owner
Thanks to many years of experience in the IT sector, I have become familiar with various industries and software solutions and can therefore offer the best possible solution. Transparency and, above all, fairness are important to me personally. I enjoy my work, partly because of my keen interest in new technologies.
Whether you need an IT checkup, advice, or urgent emergency assistance—we are here for you.
Contact
Get in touch now
Address
Frohsein 1, 24340 Windeby
moin(at)it-karstens.de
Telephone
+49 4351 850 8815