We’re always here to help

Simply call us, send us an email or use the form below to get in touch.

..visit us..

Wognumsebuurt 3
1817 BH Alkmaar

..or find us on social media.

Contact data

Service desk

Afdeling Servicedesk

For all technical and administrative questions regarding our services, please contact our service desk. Our service desk is open from Monday to Friday from 08.30 – 18.00 (Amsterdam time). Answers to frequently asked questions can also be found in our knowledge base (Dutch only).

Email
servicedesk@cyso.com
Phone
+31 72 751 34 00
Website

Sales

Afdeling 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.

Email
sales@cyso.com
Phone
+31 72 751 34 00

Emergencies

Afdeling Operations

In case of serious disruptions or an emergency outage, please call us 24×7 at +31 72 751 34 00.
Outside office hours, you will automatically be transferred to our emergency staff.

Other departments

Some departments have a separate email address. You can reach them using the addresses below.

Peering
peering@cyso.com
NOC
noc@cyso.com
Abuse
abuse@cyso.com
Marketing
marketing@cyso.com
Human resources
hrm@cyso.com
Purchase
inkoop@cyso.com

Luttik Oudorp 11-13

Parking
If you have a navigation system, you can reach the parking at our office by entering Wognumsebuurt 3. If you want to use this, please inform in advance if there is space available. If so, a place will be reserved for you.
Plan your route to Wognumsebuurt 3
Public Transport
From Alkmaar train station, take the exit at the rear of the station. Then turn left towards the Wognumsebuurt. You can find the most up-to-date travel information via, for example, 9292.nl.

Route from Alkmaar train station to Wognumsebuurt 3

Let’s get in touch!





Quality. Committed. Honest.
  • 24/7 service support
  • Dutch data centers
  • ISO 27001 certified
vmware enterprise service provider