Tools

Salary vs. Dividend Calculator

For Ontario owner-managers: compare paying yourself all salary, all dividends or your own mix, with the small business rate for your corporation’s tax year.

Open the salary vs. dividend calculator →

CRA Late-Filing Penalty & VDP Calculator

Estimate CRA late-filing penalties and daily-compounded interest on T1, T2 and GST/HST returns, and see how much the Voluntary Disclosures Program could save you.

Open the penalty & VDP calculator →

Catch-Up Bookkeeping Investment Estimator

Behind on your books? Estimate the investment to bring your corporation’s bookkeeping, GST/HST and T2 filings up to date, year by year.

Open the catch-up estimator →

Do I Need to File? CRA Filing Checker

See which T2 or T1/T2125 returns, GST/HST returns and T4 and T5 slips look overdue, and your next CRA deadlines.

Open the filing checker →

GST/HST Registration & Refund Calculator

Check the $30,000 small-supplier test, estimate your net GST/HST or refund after input tax credits, and see the cost of a late return.

Open the GST/HST calculator →

Incorporate vs Sole Proprietor Calculator

Compare tax and CPP as an Ontario sole proprietor with incorporating and paying yourself dividends, at your profit level.

Open the incorporation calculator →

CRA Interest Calculator

See how daily-compounded CRA interest grows on an unpaid balance or missed instalments, month by month, plus the instalment penalty.

Open the CRA interest calculator →

Payroll Late Remittance Penalty Calculator

Estimate the CRA penalty and interest on late or missed payroll source deductions: income tax, CPP and EI.

Open the payroll penalty calculator →

Buy vs Lease Calculator for a Business Vehicle

Compare the after-tax cost of buying or leasing a vehicle you use for business, with the 2026 CRA CCA, lease and interest limits.

Open the buy vs lease calculator →

DIY Bookkeeping vs T-Ledgers

Count your time, software, year-end filing and the risk of errors, and compare the total with a T-Ledgers monthly plan.

Open the DIY bookkeeping calculator →

Last updated: October 18, 2026