Ongoing support
Regular maintenance keeps systems transparent and reduces unplanned outages.
Support after handover
Maintenance, updates, monitoring and help for my own systems and, after assessment, third-party systems—once or continuously.

Support after handover
Clear responsibilities and response paths keep operation from depending on improvised decisions.
Regular maintenance keeps systems transparent and reduces unplanned outages.
Documentation, condition and risks are assessed before support is accepted.
Cause, action and result are recorded; regular status reports are optional.
We clarify the goal, current situation, users and essential requirements.
You receive a rough framework for implementation, scope, timing and price.
The project is built transparently, with regular feedback whenever useful or requested.
The solution is delivered or installed, tested and explained clearly.
Support for agreed features and later extensions remain available.
Binding response times and 24/7 availability only arise from an explicit agreement with the corresponding scope.
IT-Service Castel
Primarily small and medium-sized businesses, facilities and teams. Ambitious personal passion projects are welcome too.
Yes. On-site work is available in Berlin and Brandenburg and, depending on the project, throughout Germany. Travel effort and cost are agreed in advance.
Billing depends on the task, scope, risk and required support. You receive a transparent framework before work starts; there are no blanket bargain promises.
You can enquire at any time. Guaranteed acceptance, response or restoration times apply only when explicitly agreed. Any surcharge is confirmed before paid out-of-hours work starts.
Directly by email, phone, WhatsApp or through the Castel community on Discord. The form only needs your name, email and message.
Selected service: Service and operations
Briefly describe your project. I will clarify the goal, scope and most sensible next step with you.