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    • Audit & Assurance
    • Client Accounting & Advisory Services
    • Risk Mitigation, Controls & Advisory
    • Seminars
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    • Talent Solutions
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    • Why Symphona Technology?
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10 events found.

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  • February 2026

  • Mon 16
    February 16 @ 8:00 am - 5:00 pm

    3.15 Tax Return Information Deadline

    Taxes

    Please submit all tax information to Symphona by February 16, 2026 to prevent an extension for the March 15 deadline.

  • March 2026

  • Mon 2
    March 2 @ 8:00 am - 5:00 pm

    4.15 Tax Return Information Deadline

    Taxes

    Please submit all tax information to Symphona by March 2, 2026 to prevent an extension for the April 15 deadline.

  • Mon 16
    March 16 @ 8:00 am - 5:00 pm

    Partnership & S‑Corp Tax Return Filing Deadline

    Taxes

    2025 Partnership (Form 1065) & S‑Corp (Form 1120‑S) filing deadline.

  • April 2026

  • Wed 15
    April 15 @ 8:00 am - 5:00 pm

    Individual Tax Return Filing Deadline

    Taxes

    2025 Individual tax return (Form 1040).

  • Wed 15
    April 15 @ 8:00 am - 5:00 pm

    Q1 estimated tax payment due for 2026.

    Taxes

    Q1 estimated tax payment due for 2026.

  • Wed 15
    April 15 @ 8:00 am - 5:00 pm

    C-Corp Tax Return Filing Deadline

    Taxes

    2025 C‑Corp (Form 1120) filing deadline.

  • Wed 15
    April 15 @ 8:00 am - 5:00 pm

    Trust & Estate Tax Return Filing Deadline

    Taxes

    2025 Trust & Estate (Form 1041) filing deadline.

  • May 2026

  • Mon 25
    May 25

    Office Holiday Closure

    Symphona Office Closures

    Our offices will be closed while our team enjoys time with loved ones—thank you for your understanding.

  • June 2026

  • Mon 15
    June 15 @ 8:00 am - 5:00 pm

    Q2 estimated tax payment due for 2026.

    Taxes

    Q2 estimated tax payment due for 2026.

  • July 2026

  • Fri 3
    July 3

    Office Holiday Closure

    Symphona Office Closures

    Our offices will be closed while our team enjoys time with loved ones—thank you for your understanding.

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