When should I stop doing my own bookkeeping?

The four-hour signal. A clean monthly close on QuickBooks Online or Xero, with auto-categorization rules established, takes 30 to 90 minutes for a typical service business. If yours is taking three to four hours and growing, complexity has outpaced the DIY tooling. The transactions are no longer clean, the categories are slipping, and you are spending professional-rate time on data entry. A bookkeeper at $300 to $500 per month replaces that time and produces cleaner output.

The skipped-month signal. If you closed January and February but skipped March because you were too busy, your DIY system has effectively failed. Skipping months compounds: April is harder to close because March was not done, May is harder because April was not done, and by August you have a six-month reconstruction project. Bookkeepers do not skip months. The pattern of skipping is the signal that your business has reached the size where outsourcing is necessary.

The S-corp signal. The S-corp election adds payroll, a separate 1120-S return, formal salary documentation, and quarterly federal payroll filings. None of those work without clean monthly books. Most consultants who file Form 2553 outgrow DIY bookkeeping immediately because the S-corp infrastructure assumes monthly closing as a baseline. Trying to run an S-corp on quarterly or annual books is technically possible but creates expensive errors at year-end.

The $100K signal. At net profit of $100,000 or more, the deductions and S-corp opportunities a bookkeeper catches typically exceed the bookkeeper's fee. The math: $5,000 in additional caught deductions at 24% federal plus SE tax saves roughly $1,890; $10,000 saves $3,780. A bookkeeper at $400 per month costs $4,800 per year. The breakeven is roughly $13,000 in marginal caught deductions, which a competent monthly bookkeeper exceeds for most consultants over $100K.

What 'stop doing your own' actually means. It rarely means handing over everything. The cleanest split: the bookkeeper handles transaction categorization, monthly reconciliation, and financial statement preparation. You retain client billing, vendor payments, and capital decisions. This division of labor is what bookkeeping services price against, and it is what most service businesses converge on as they grow past the DIY threshold.