As we near the end of the year, most small business owners find themselves balancing a dozen different things at once—wrapping up client projects, chasing down unpaid invoices, and maybe even trying to sneak in a few days off. But before you close the books on 2025, it’s worth carving out time to get your financials in order.

A clean, accurate set of books isn’t just for your accountant’s peace of mind. It can lead to better decision-making, a smoother tax season, and even improve your odds when applying for financing. Below, we’ve outlined a practical checklist to help small businesses tidy up their books in time for year-end filings.

Reconcile All Bank and Credit Card Accounts

Start by making sure your bank statements match your accounting software. That means checking every transaction against your books and confirming there are no duplicates or missing entries. Don’t forget about credit cards, payment processors like Stripe or PayPal, and any business savings accounts. Discrepancies—even small ones—can throw off your numbers and lead to trouble come tax season.

If you use a tool like QuickBooks or Xero, reconciliation reports can show you which months are out of sync. Catching these errors now can save you from a frantic scramble in January.

Confirm All Income Is Recorded

Depending on your business model, revenue might come in from multiple channels: in-person, online, wholesale, or service retainers. December is the time to ensure you’ve accounted for every dollar of income.

Cross-check client invoices, sales reports, and platform payouts (like Shopify or Etsy) to confirm nothing slipped through the cracks. Inconsistent revenue reporting can raise red flags during tax prep—or worse, trigger an audit.

Verify Outstanding Invoices and Payables

Take a look at what you’re owed and what you owe others. Are there client invoices that haven’t been paid? Do you need to follow up? Also, double-check your accounts payable—make sure your books reflect all unpaid bills, reimbursements, or recurring charges.

If you use accrual accounting, this step is especially important, since revenue and expenses are recorded when earned or incurred, not when cash changes hands.

Review and Categorize Expenses

This is where things can get messy—subscriptions, travel costs, office supplies, and the occasional coffee shop meeting can blur together fast. Clean up expense categories to ensure everything is accurate and appropriately tagged.

Not only does this help your accountant maximize deductions, but it also gives you a clearer picture of where your money is going. It might even help identify expenses you can cut heading into the new year.

Double-Check Payroll and Contractor Payments

If you have employees or work with freelancers, make sure all wages and contractor payments are recorded correctly. Confirm that all W-2 and 1099 information is accurate and up to date before year-end deadlines hit.

If you’ve paid any contractors over $600 this year, you’ll likely need to issue a 1099-NEC. Double-check that you’ve collected W-9s for all of them, so you’re not scrambling in January.

Run Key Financial Reports

Once your books are cleaned up, run a profit and loss (P&L) statement, balance sheet, and cash flow report. These give you a snapshot of your business’s financial health and help guide any last-minute decisions—like whether it’s worth making year-end purchases or deferring income.

These reports are also useful if you’re planning to apply for financing or meet with your accountant for tax planning. The more complete and accurate your reports, the better your advice will be.

Make Year-End Adjustments

If your accountant typically makes year-end adjustments—like depreciation, inventory corrections, or tax provisions—flag anything you think may need review. If you carry inventory, do a physical count and compare it to your books. If you’ve purchased fixed assets this year, make sure they’re listed and categorized properly.

Final Thought: Clean Books, Clear Mind

Taking a few hours to clean up your books now can make a big difference come January. It can also lead to better insights and more strategic planning as you head into a new year.

Need help making sense of your records or want a professional eye before filing? Our team works with small businesses across New York and beyond to wrap up the year with confidence—and start the next one strong.