> For the complete documentation index, see [llms.txt](https://guide.signspace.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.signspace.com/en/signing-up-for-signspace/register-with-organisation-invitation.md).

# Register with organisation invitation

You will receive an email notification when your organisation’s main user or administrator invites you to join the organisation.

Click the link in the email to start the registration process. Complete the registration form, accept the Terms of Use and Privacy Policy, and verify your email address.

Once your email address has been verified, your account is ready and you can sign in to the service.

{% hint style="info" %}
If you have been invited to join the organisation using Single Sign-On (SSO), you will join through your organisation’s identity provider by following the guided process.
{% endhint %}