British Telecom:
BT have been selected to provide Criticall with datacentre hosting services for its EmergencyCall ASP Secondary Site. They were selected on the basis of the quality and security of the datacentre itself and the Cardiff location, over 250km distant from Criticall's London-based Primary Site. To examine the technical specifications of the site, click here.

Level 3:
Level 3 have one of the world’s most resilient communications infrastructures, serving a global network of Tier 1 datacentres. Criticall’s Primary hosted site is located for client convenience within Level 3 premises in London. To find out more about how this contributes to Criticall’s 99.995% guaranteed service availability, click here.