Estimated payments, 1099s, state filings and extensions—an ordered checklist your finance team can work through without surprises.
Tax season goes wrong for predictable reasons: missing documentation, late estimated payments, and state obligations nobody tracked. A simple checklist prevents most of it.
Before the year closes
Reconcile every bank and credit card account, clean up the fixed asset register, and confirm that owner draws, loans and related-party transactions are documented.
Review estimated tax planning with monthly or quarterly payments so there are no penalties waiting in April.
January priorities
Validate vendor W-9s and issue 1099s on time. Confirm payroll totals tie to your general ledger before W-2s are filed.
Filing and extensions
Extensions buy time to file, not time to pay. If an extension is needed, calculate and remit the estimated balance with it.
Track state nexus as your customer base spreads—remote employees and marketplace sales create obligations that are easy to miss.
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