There are some indications that it's time to leave the manual bookkeeping system and bring outsourced bookkeeping services with the help of professionals.
It can be time to go with
https://blog.a2accountants.com/the-truth-about-outsourced-bookkeeping-services/ if:
Manual bookkeeping service is taking up more time than you can afford
Your accounting books are never updated
You have missed out on tax deductions
You are struggling with your cash flow
You have issues tracking accounts receivable and payable
Creating your calculated tax payments has become a big task