Let’s get in touch!

Our staff is always ready to answer your questions and more than happy to discuss your hosting needs. So contact us today!

Luttik Oudorp 11-13
1811MT Alkmaar, The Netherlands

+31 (0)72 7513400

Contact data

Service desk

For all technical and administrative questions regarding our services, please contact our service desk. Our service desk is open from Monday to Friday from 09.00 – 18.00 (Amsterdam time). Answers to frequently asked questions can also be found in our knowledge base (Dutch only).

E-mail
servicedesk@cyso.com
Phone
+31 (0)72 7513400
Website
(Dutch only)

Sales

Are you interested in our solutions, looking for advice or do you just want to meet informally? Do you have a good idea for a new service that you wish to market and want to discuss this with us? Are you looking for a possible partnership? Our sales department would like to come into contact with you.

E-mail
sales@cyso.com
Phone
+31 (0)72 7513405

Emergencies

In case of serious disruptions or an emergency outage, please call us 24×7 at +31 (0)72 7513400. Outside office hours, you will automatically be transferred to our emergency staff. For non-urgent issues, please send an e-mail to servicedesk@cyso.com.

Other departments

Some departments have a separate e-mail address. You can reach them using the addresses below.

Peering
peering@cyso.com
NOC
noc@cyso.com
Abuse
abuse@cyso.com

Other

Chamber of Commerce
Noordwest Holland 37133395
Bank accounts
ING Bank Nederland
IBAN/SEPA NL12INGB0658178075
BIC/SWIFT INGBNL2A

ING Postbank Nederland
IBAN/SEPA NL73INGB0007653752
BIC/SWIFT INGBNL2A
VAT number
NL 8180.90.431B01
FAX number
+31 (0) 72 7513401

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