"Using Cyso means we can be clear about where data is stored without complicated explanations about international transfers."
Janca van Heerden
Cyso Impressum
This page provides comprehensive legal and business information about Cyso in accordance with German legal requirements. Below you’ll find our official company details, contact information, certifications, and regulatory compliance data for complete transparency.
Get personalized advice from our cloud specialists and discover how Cyso can accelerate your digital transformation while keeping your data sovereign and secure.
Official information
Company | ||
|---|---|---|
Address | Wognumsebuurt 3 1817 BH Alkmaar, The Netherlands | |
Phone | ||
Chamber of Commerce number | Northwest Holland 37133395 | |
VAT number | NL818513974B03 |
Management | ||
|---|---|---|
Address | Wognumsebuurt 3 1817 BH Alkmaar, The Netherlands | |
Director | Paul Bankert, Sven Visser and Tjebbe de Winter |
Telephone | ||
|---|---|---|
Support | +31 72 751 34 08 (Mon-Fri 9:00 AM - 5:00 PM) | |
Emergency service | +31 72 751 34 08 (24/7) |
Documents | ||
|---|---|---|
Terms and Conditions | ||
Privacy policy | ||
SLA |
Certificaten | ||
|---|---|---|
ISO/IEC 27001:2013 | Protection of data and applications | |
NEN 7510:2011 | Specific security for the healthcare sector |
These companies also trusted in Cyso
European businesses choose Cyso over global giants for data sovereignty and exceptional support. Our Netherlands and Germany-based platform offers transparent data storage and comprehensive capabilities that enterprises trust. See why organizations prefer Cyso as their cloud infrastructure partner.
Cyso Cloud articles
Stay informed about cloud infrastructure, data sovereignty, and GDPR compliance. At Cyso Cloud, we share practical insights and technical knowledge to help European businesses build reliable, compliant cloud solutions. Explore our latest articles below.
What are managed cloud services? What a provider covers and what stays with you
Managed cloud services explained: what a provider does, what stays with you, and whether you should consider in-house. Six questions to ask your provider.
Alec
October 21st, 2026 · 8 min
What is object storage, and why does it matter who runs it?
What is object storage? Objects, buckets and the S3 API in plain terms, plus request fees, egress costs and what the EU Data Act changes about switching.
Alec
October 21st, 2026 · 10 min
Second CHORYS General Assembly at TU Dresden: progress, EU review and Cyso's role
CHORYS met at TU Dresden. What EU reviewers said about this RISC-V cloud project, and Cyso's role.
Martijn Wokke
October 6th, 2026 · 4 min