For the moment, accounts are frozen as Siteimprove works on granting access to analytics for existing users. In April 2018 we will be able to start granting access again.
To get in the queue open a service now request and choose the following options:
1) Choose Web Support as the subject from the drop down list
2) The description of the request should include “Request a Siteimprove account”,
3) Add your supervisor’s email in the section “Notifying someone else about this request“
4) Add the URL of your site