Good job on converting sub-customers to projects. At this time, there isn't an option to convert a project to sub-customers. I know how useful this feature is to you and I recommend sending feedback to our engineers through the gear icon. To do this, click the gear icon and look for Feedback. New product ideas and improvements are largely based on the feedback/suggestions we get from users like you.
Feel free to ask any questions. I'm here to help. For future reference, here are some helpful articles to take a look into on your spare time:
Thank you for your reply, however it does not provide us with any comfort. I have contacted your engineers as suggested but am not confident that there will be a quick resolution. We may be forced to seek a different accounting solution for our company. Very disappointing.
I hear you on this. Your feedback is valuable and we take it seriously. You did good by sending your feedback through the gear icon, For now, the best recommendation I have is waiting for a response. I'm not sure what the time-frame will be for the response, but I'm here to assist the best way I can. I can see how QuickBooks may not be fit for all business types and I'd be sad to see you go. If you've got questions, don't hesitate to ask. I got your back.