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Year-End Tax Checklist for Business Owners

A practical list of things to review before the year ends, so tax season is calmer.

The months before year-end are when many tax decisions can still be made. A short review in November or December can prevent errors, avoid missed deadlines, and give you time to make informed choices.

Get your records current

  • Reconcile bank and credit card accounts through the latest month.
  • Categorize transactions and clear any uncategorized items.
  • Review accounts receivable and payable for accuracy.
  • Confirm that personal expenses have not been mixed into business accounts.

Review your income and estimated payments

  • Estimate your year’s taxable income to understand where you stand.
  • Check whether your estimated payments are on track, and note the final federal estimated payment, generally due in mid-January.
  • Consider how timing of income and expenses may affect the year, with guidance on what is appropriate for your situation.

Payroll and contractors

  • Make sure you have a W-9 for every contractor you paid.
  • Identify who must receive a 1099 and gather the information required.
  • Prepare for W-2 and 1099-NEC filing, which are generally due to recipients and the IRS by the end of January.
  • Confirm payroll tax deposits and filings are current.

Equipment and asset purchases

  • List assets purchased or sold during the year.
  • Keep invoices and the date each asset was placed in service.
  • Discuss with your advisor how purchases may be treated for tax purposes before making year-end decisions.

Retirement and benefits

  • Review your retirement plan contributions and deadlines.
  • Confirm owner health insurance and other benefit treatments are being reported correctly.

Entity and state matters

  • Confirm your entity is in good standing and annual state filings are on your calendar.
  • Review state and local tax obligations, including franchise and sales and use taxes where they apply.

Gather documents for your preparer

Having a clean profit and loss statement, balance sheet, payroll reports, and asset list ready in January saves time and money. See our Resources page for a full checklist.

If you would like a year-end review, contact us to schedule a consultation.

General information only. This article is educational and is not tax, legal, or financial advice. Tax rules change and outcomes depend on your individual facts. Please consult a qualified professional about your situation.

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