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Essential December 2025 Tax Deadlines for Businesses

As December rolls in, businesses face crucial tax deadlines, including key corporate estimated tax payments and essential payroll tax deposits. Additionally, it's a pivotal time to ensure year-end tasks are wrapped up before offices close on December 31st.

December 15 - Corporate Estimated Taxes

The fourth and final estimated tax payment for 2025 is due for corporations. Timely payment is crucial to avoid penalties.

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December 15 - Payroll Taxes and Withheld Income

Employers subject to monthly deposit rules must submit their payments for November 2025 Social Security, Medicare, and withheld income taxes by today. This deadline also applies to nonpayroll withholding deposits.

December 31 - Year-End Planning Alert

Maximize your proactive tax strategies as the year closes. Any tasks requiring completion by year's end should be tackled well before December 31st, considering potential bank closures.

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Weekends & Holidays Consideration:

Remember, if a deadline lands on a weekend or holiday, it shifts to the next business day.

Disaster Area Extensions

For locations classified as disaster areas, deadlines may extend. Confirm these adjustments by visiting the following resources:

FEMA: https://www.fema.gov/disaster/declarations
IRS: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations

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At Tangible Accounting, PLLC led by Jaron J. Fulse, EA, we specialize in simplifying complex tax obligations. As the co-chair of PBFGlobal, Mr. Fulse brings a wealth of experience in asset protection and financial modeling to assist you with your accounting needs across multiple states, including expertise in private equity and venture capital.

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