Cash Flow
A 13-week cash forecast you can build in one afternoon
March 4, 2026 · 7 min read
Insights
Guides written from actual client questions
No listicles and no reheated IRS press releases. Each of these started as a question an owner asked on a review call, and was written up because it came round again.
Clean-up
Six signs your books need a clean-up before tax season
January 22, 2026 · 6 min read
Compliance
1099 contractors vs. employees: the questions the IRS actually asks
November 12, 2025 · 8 min read
New articles are published roughly every six weeks. Nothing here is tax, legal or investment advice — see our Disclaimer.
Reference
Key US small-business dates for 2026
Dates shift when they fall on a weekend or federal holiday. Confirm with your tax preparer before relying on any of them.
| Date | What is due |
|---|---|
| January 31 | W-2 forms to employees; 1099-NEC to contractors and the IRS |
| March 16 | Form 1120-S and Form 1065 returns for calendar-year S corporations and partnerships |
| April 15 | Form 1040 and Form 1120 returns; Q1 estimated tax payment |
| June 15 | Q2 estimated tax payment |
| September 15 | Q3 estimated tax payment; extended 1120-S and 1065 returns |
| October 15 | Extended Form 1040 and Form 1120 returns |
| Quarterly | Form 941 payroll returns: April 30, July 31, October 31, January 31 |
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