As an account admin of your company, usually your username is your company email address, unless you registered on Guardhouse using a different email.
As a security guard or staff using Guardhouse app, your username is usually your email address. It could be your personal email address which you have used to set-up your account.
If you've forgotten your Guardhouse username, contact the Guardhouse Support Team for assistance. Please provide your complete name and the company you work for we can assist further.