Welcome to the Community, npmelectricllc.
In QuickBooks Online (QBO), you can pull up the Sales by Product/Service Detail report and customize it specific to a service. This will show you the year-to-date profitability of a service.
Here are the steps:
If you're using the Project feature, then refer to this article on how to run a report to see your profits: Track income, costs, and profitability by Project.
Let me also share this link for future reference: Customize your reports in QuickBooks Online.
Please let me know if you have any follow-ups or other questions. I'm always glad to help. Take care and have a good one.