If you have forgot your password to GoSimpleTax in the UK you can reset by choosing the FORGOT PASSWORD link on the login page as shown below.
On the reset password page please enter your email address and then click RESET PASSWORD
If you get 'User doesn't exist' please contact support.
After successfully entering your email address, you will be sent an email containing a link.
Click this link to RESET PASSWORD
Enter your new password on both boxes and click RESET PASSWORD.
Once done you will then be able to login with your new password.