If you are a member of a company account, it will appear on your personal profile.
You can disconnect your personal account from a company account using the following steps:
1. Log in to your individual account and click 'Account Settings'
2. Select 'Manage my Company' under 'Company Accounts'
3. Select 'Remove' next to the name of the company
If you are using Wantedly at your new workplace and are not yet a member of the company account, get a coworker with an admin account to add you to the company.