Tax Filing Resources
Free guides, deadline calendars, and penalty breakdowns to keep your small business compliant year-round.
LLC Tax Filing Deadlines for 2026: Complete Guide
Every deadline LLC owners need to know — Schedule C, quarterly estimates, 1099-NEC, and how S-Corp elections change everything.
S-Corp Tax Deadlines: What to File and When
Form 1120-S, K-1 distribution, payroll filings, and the reasonable salary requirement every S-Corp owner must understand.
IRS Late Filing Penalties: What They Actually Cost
Failure-to-file vs. failure-to-pay, combined penalty rules, minimum penalties, and form-specific fines broken down clearly.
Quarterly Estimated Tax Payments: Who Owes, When, and How Much
1040-ES for individuals, 1120-W for corporations, safe harbor rules, due dates, and how to avoid underpayment penalties.
C Corporation Tax Deadlines: Complete Filing Calendar
Form 1120, quarterly estimated payments, payroll filings, W-2s, 1099-DIV, and every deadline C-Corps face in 2026.
State Tax Filing Deadlines by Entity Type
Franchise taxes, state income taxes, and annual report deadlines vary wildly. Here is a state-by-state breakdown.
How to File a Tax Extension (and Why You Still Owe)
Extensions give you more time to file — not more time to pay. Learn how Form 4868 and 7004 work.
Top 20 Tax Deductions for Small Businesses in 2026
Home office, vehicle, health insurance, retirement contributions, and more deductions that reduce your tax bill.
Payroll Tax Deadlines: 941, 940, and W-2 Filing Guide
Quarterly 941 filings, annual 940, W-2 distribution, and deposit schedules every employer needs to track.
Single-Member vs Multi-Member LLC: Tax Differences
How the IRS treats disregarded entities differently from partnerships, and what that means for your filing requirements.
How to Request an IRS Penalty Abatement
First-time penalty abatement, reasonable cause relief, and exactly how to write the letter that gets penalties removed.
Business Tax Records: What to Keep and For How Long
The IRS statute of limitations, state record requirements, and a retention schedule for receipts, returns, and payroll records.
S-Corp Reasonable Salary: How Much Should You Pay Yourself?
IRS guidelines, industry benchmarks, audit triggers, and how to set a salary that saves taxes without raising red flags.
Safe Harbor Rules for Estimated Taxes Explained
The 100% and 110% AGI rules, how to calculate safe harbor payments, and when you can skip estimated taxes entirely.
C-Corp vs S-Corp: Tax Comparison for Small Businesses
Double taxation, pass-through income, self-employment tax savings, and which structure makes sense for your revenue level.
Texas Franchise Tax: Filing Requirements and Deadlines
No-tax-due thresholds, EZ computation rate, filing deadlines, and how Texas franchise tax applies to your entity type.
Home Office Deduction: Simplified vs Regular Method
Square footage calculation, simplified $5/sq ft method, direct vs indirect expenses, and who actually qualifies.
Nonprofit Tax Filing Deadlines: Form 990 and Beyond
990, 990-EZ, 990-N, unrelated business income tax, and state registration renewals for tax-exempt organizations.
1099-NEC vs 1099-MISC: Which One Do You File?
Nonemployee compensation vs other income types, filing thresholds, due dates, and common mistakes to avoid.
W-2 vs 1099: How to Classify Workers Correctly
IRS behavioral, financial, and relationship tests, misclassification penalties, and how to stay on the right side of the law.
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