Estimated taxes, worked out for you
We work out your quarterly estimated tax payments in the US, or your CRA instalments in Canada, and tell you what to pay and when. You get a reminder before each due date. It's part of the $399 a year.
Included in $399 a year
What's included
The amounts
We use your books and last year's return to work out what to pay each quarter, or each CRA instalment.
The reminders
Extensions (Form 7004 or 4868) and quarterly estimate reminders are included.
The return that follows
What you paid during the year is counted on your return, so nothing is paid twice.
Who it's for
- Sole proprietors and partners who owe tax at year end
- S corp owners with income beyond salary
- Canadian sole proprietors and corporations that owe instalments
What to have ready
- Last year's return
- Your books for this year so far
- Any payments already made
Questions
Read more
- Quarterly estimated tax dates
- Business tax deadlines 2026: every federal due date by entity type
- Business tax extension: Form 7004 vs Form 4868, form codes and the pay-by date
- Deduction: meaning, deduction vs credit, and a worked example
- Small business tax deductions: the 2025 and 2026 numbers from IRS publications
- 1099-NEC deadline: January 31, the 2027 date, the $2,000 threshold and penalties
- Business tax planning: estimated taxes, safe harbors and the 2026 numbers
- Form 941 due dates for 2026: quarterly deadlines and deposit schedules
- Form W-4 (2026): how employees fill it out, exempt status, deadlines and employer rules
- Section 179 deduction: limits, what qualifies and how to claim it on Form 4562
- W-2 deadline: January 31 rule, 2026 and 2027 dates, extensions and penalties
April 15, June 15 and September 15, 2026, and January 15, 2027.
Usually only if you expect to owe tax when you file. Our guide explains the safe harbor rules, and we'll tell you what applies to you.
Your business taxes, done for $399.
Get started now, or talk to our team first. Either way, the price is the same.