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IRS & Financial· 7 min read

Bookkeeping Cleanup Checklist for Small Businesses

Messy books cost real money — in missed deductions, declined loans, and IRS audits. Cleanup is a repeatable process.

Bookkeeping cleanup brings a neglected file into a tax-ready and lender-ready state. The process is methodical: reconcile, reclassify, document, and lock.

Checklist

  • Reconcile every bank and credit card account month-by-month
  • Match deposits to invoices; clear undeposited funds
  • Reclassify owner draws, contributions, and personal expenses
  • Set up or verify chart of accounts (no duplicates)
  • Tie loan balances to the lender's amortization schedule
  • Categorize payroll correctly (gross wages vs employer taxes)
  • Reconcile sales tax payable
  • Run a P&L and Balance Sheet comparison year-over-year
  • Lock prior periods to prevent backdated edits
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