Need more detail for this one - if the employees are 'independent' then does the entire payment belong to them - or to the business - or is it mixed. If the staff are truly independent and keep their tips, then tips should not be included in business income or business expense.
There are two ways to record deposits without using invoices, jercarr.
We can use a sales receipt if you want to associate it to a product or service item. From the +New button, click Sales receipt and select the project in the Customer drop-down. Enter all required details and make sure to select the bank in the Deposit to drop-down where you want to deposit it.
Another option is to create a bank deposit transaction. This is how to do it:
Go to +New button, select Bank Deposit. In the Account field, select the deposit to account.
From the Add funds to this deposit section, select the project in the Received From field. Then, choose an income account.