DiekerIT is a private IT service provider based in Münster, North Rhine-Westphalia. Founded and led by Robin Dieker, the company delivers hands-on, personalized IT solutions designed to optimize your business processes and protect your infrastructure — without the overhead of a large enterprise vendor.Documentation Index
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Who we are
Robin Dieker brings firsthand Microsoft experience to every engagement. As a former Microsoft employee and current collaborator at Crafting IT in Magdeburg, Robin combines deep product knowledge with practical field experience. That background means you get advice grounded in how Microsoft technologies actually behave — not just how they’re documented.Robin also serves as the German Community Lead for the Microsoft 365 DACH community, keeping DiekerIT connected to the latest developments across the Microsoft ecosystem. Learn more about the community.
What we do
DiekerIT focuses on the areas that matter most to small and mid-sized businesses running on Microsoft infrastructure.Microsoft technologies
End-to-end support for Microsoft 365, Azure, Teams, and related services — from initial setup to ongoing optimization.
Endpoint security
Monitoring and hardening of client devices to reduce your attack surface and keep your endpoints compliant.
Client monitoring
Proactive visibility into your device fleet so issues are caught before they interrupt your work.
Network monitoring
Continuous oversight of your network infrastructure to detect anomalies and maintain reliability.
Our approach
Working with DiekerIT means working directly with Robin — not a rotating team of technicians. That single point of contact gives you consistent service, faster diagnosis, and solutions tailored to your specific environment rather than generic recommendations.What customers say
“Ich bin sehr zufrieden mit dem IT-Service von DiekerIT. Robin hat immer seine technische Perspektive hinzugefügt… Er hat das Wissen, das ihn für die Rolle des SfB/Teams SEE empfiehlt.” — Eugenia, Senior Escalation Engineer, Microsoft