Step1: Login to the Cloudcheckr and first go to the client CC account and select that subscription for which you want to change the name;
Step 2: Click on the Name which want to change then go to Account setting and click on EDIT NAME section;
Step 3: In the Edit Name page you can edit the name and just click on update;
After completing these steps, you will be able to see the change in name what you have changed.