Glad to see you here in the Community, @info-cornwallhea.
I have some information to share about the apps that you can integrate with QuickBooks Online.
QuickBooks Online integrates with various applications. You can visit our app store and look for the third-party application that suits your needs. This way, you'll be able to do job planning and generate certificates.
Visit our app store through this site: QuickBooks Apps.
Know that the Community is a public space, any recommendations from other users are always welcome in this thread.
In addition, you can also check out these features that are available in QBO that can help track income, expenses, or profitability by business segment. Also with projects that you can use in the future:
Let me know if you need more help with managing with QuickBooks. I'd be happy to lend a hand. Keep safe!
