If you haven't received an invitation:
1. Ask an Administrator from the company account you want to join to invite you.
2. They just need to follow the steps here.
3. Check the mailbox where the Administrator sent the invitation.
If you have received an invitation:
1. Open the invitation email > Click Accept invitation.
2. Fill in your details to create your personal account in Recruitee > Click Start using Recruitee.
3. You will be redirected to the company account you were invited to.
Check the company name on the top menu to make sure you are in the right company account.
Try this now in your Recruitee account!