Utah Tax Deadlines & Requirements for Small Businesses: 2026 Guide

Critical 2026 Deadlines at a Glance

Federal deadlines: January 31 — W-2s & 1099s to employees/contractors; March 15 — S-Corp & partnership returns (Form 1120-S, 1065); April 15 — individual & C-Corp returns; quarterly — estimated taxes (Apr 15, Jun 15, Sep 15, Jan 15). Utah state deadlines: monthly/quarterly sales tax (varies by revenue), monthly withholding tax deposits, April 15 Utah individual income tax, annual business license renewals.

• January 31 — W-2s & 1099s due
• March 15 — S-Corp & partnership returns
• April 15 — individual & C-Corp returns
• Quarterly — estimated taxes (Apr 15, Jun 15, Sep 15, Jan 15)

Utah Business Tax Types

Utah has a flat income tax rate of 4.65% for individuals and pass-through entities, making Utah one of the more straightforward states for income tax calculations. Sole proprietors and single-member LLCs report on personal returns; S-Corps and partnerships file informational returns; C-Corps pay at the corporate rate.

• Utah State Income Tax — 4.65% flat rate
• Utah Sales Tax — combined state and local rates from 6.1% to 9.05%
• Withholding — monthly deposits for employers

Utah Sales Tax Filing

The combined state and local sales tax in Utah ranges from 6.1% to 9.05% depending on location; Salt Lake City businesses typically charge around 7.75%. Monthly filing: if you collect $1,000+ in sales tax monthly. Quarterly filing: if you collect less than $1,000 monthly. Annual filing: if you collect less than $1,000 per quarter.

How to Never Miss a Deadline

The businesses that never miss deadlines run their books on a schedule, not in a panic. Reconcile monthly so numbers are always current. Set calendar reminders five days before each due date. Keep W-2/1099 data organized year-round. And work with a bookkeeper who tracks every filing date for you — that's the standard we hold ourselves to.

• Reconcile monthly so numbers are always current
• Set calendar reminders 5 days before each due date
• Keep W-2/1099 data organized year-round