Hi there Caper78,
Thanks for reaching out about setting up your payroll. QuickBooks Online Payroll is a great tool able to help you pay your employees for the hours they've worked. I can point you in the right direction for assistance with signing up for payroll.
For help with signing up for payroll since you don't have a designated ownership, I recommend reaching out to the QuickBooks Payroll support team outside of the Community. They'll be able to assist you in signing up for payroll since there isn't an owner for the company in question. You can reach out using these steps:
Schedule a Callback or start a Chat: click (?)Help in the upper right > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start a Chat.
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If you have any other questions, feel free to reach out here.