This monthly bookkeeping checklist covers every task a service-based business needs to stay financially organized — from weekly transaction entry to year-end preparation. Use this monthly bookkeeping checklist to stay current on your own, or hand it to a professional bookkeeper who handles every item for you. Consistent habits, not year-end heroics, are what keep your books clean.
Monthly Bookkeeping Checklist: Weekly Tasks
Every Week
- Review and record any new income received (client payments, deposits)
- Enter and categorize any new business expenses
- Send or follow up on outstanding invoices
- Review your bank account for any unexpected transactions
- File or scan paper receipts for expenses over $75
Monthly Bookkeeping Checklist: Month-End Tasks
Every Month (Within 10 Days of Month-End)
- Reconcile all bank accounts to your bank statements
- Reconcile all credit card accounts to your statements
- Review and categorize any uncategorized transactions
- Review accounts receivable — follow up on overdue invoices
- Review accounts payable — confirm all bills are entered and scheduled
- Record any loan payments, separating principal from interest
- Run and review your Profit & Loss statement
- Run and review your Balance Sheet
- Compare actuals to last month — flag unusual variances
- Record owner draws or distributions if applicable
- Back up your QuickBooks file or confirm cloud backup is active
Every Quarter
- Calculate and pay quarterly estimated taxes (federal and state)
- Review your Chart of Accounts — are all categories still accurate?
- Review year-to-date P&L against annual goals
- Audit subscriptions and recurring expenses — cancel unused ones
- Reconcile any petty cash accounts
- Review payroll records to confirm they match your books
- Review accounts receivable aging — write off uncollectable invoices
Year-End (November–January)
- Confirm all 12 months are fully reconciled and up to date
- Run year-end Profit & Loss and Balance Sheet for your CPA
- Collect W-9s from contractors paid $600+ during the year
- Prepare and file 1099-NEC forms by January 31
- Review fixed assets — any new purchases to capitalize?
- Review your mileage log if you deduct vehicle expenses
- Confirm health insurance premiums are recorded correctly
- Send your CPA a complete, organized QuickBooks file
The Alternative to This Monthly Bookkeeping Checklist
Every item on this monthly bookkeeping checklist is something a professional bookkeeper handles for you. Instead of spending 5–10 hours a month working through this list, you receive a clean set of reports every month and a simple confirmation: your books are done.
For most service businesses doing $10K or more per month, the time savings alone justify the investment. See our guide on bookkeeper cost in 2026 to understand what to budget.
Hand This Checklist to Someone Who Does It Every Day
Our U.S.-based team handles every item on this monthly bookkeeping checklist — so you can focus on running your business.
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