Yes, HostIcon.com will remain completely anonymous to your client.
You can resell our shared hosting, VPS and dedicated servers your clients, our all the shared hosting plans of Windows and Linux will not have any links or mentioned about hosticon.com in control panel. The name server will also not show our band name. Our name servers are private stats ns*.ehostingsupport.com
If you have purchased domain from us you can remove whois port 43 tag of "Registration service provider"
We also have private label video tutorials for your clients at ehostingsupport.com where HostIcon.com has not mentioned anywhere .