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Accounting supports strategic decisions by telling you what a choice costs, when the cash leaves and what tax takes out of the result. Without that, a decision to hire, reprice or expand is a guess with a spreadsheet around it.
What can accounting tell you that your bank balance can’t?
The bank balance says what you have today. Your books say where it came from, what’s already promised to someone else, and what’s coming in.
A bank account full of cash might include GST/HST you owe, payroll remittances due next week, or a customer deposit for work you haven’t done. Clean books separate these. So before you weigh any big move, ask your bookkeeping one question: how much of this money is actually mine?
Timing matters as much as totals. The BDC stresses that a cash flow projection shows when money arrives, not when the sale is booked. Profit on paper can coexist with an empty account.
| Decision | What the books must show | Calculator to test it |
|---|---|---|
| Change a price | Direct cost per unit, current margin | Profit margin |
| Hire someone | Wage plus employer CPP and EI, per pay period | Payroll remittance |
| Borrow | Monthly cash left after payments | Line of credit, loan |
| Keep profit in the company | Taxable income, corporate tax | Corporate tax, dividend tax |
| Buy equipment | Cost, extra income, payback time | ROI |
How does accounting change a pricing decision?
Suppose a product costs you $60 and you want a 40% margin. The profit margin calculator says the price is $100. Now suppose your supplier’s sales rep, or your own staff, talk about a “40% markup” instead. That’s a price of $84, and the margin is 28.6%.
That’s a gap of $16 a unit. Across 2,000 units it’s $32,000 of revenue you’d never notice missing, because nothing in the month looks wrong. Accounting is what catches it. Your books show margin on sales, so you need to know which of the two everyone is using when they quote.
What does a hire look like in the books?
Use an Ontario employee paid $3,000 every two weeks. With the payroll remittance calculator, your employer share of CPP and EI comes to $228.41 a period, and the full remittance to the CRA is about $961.03 once the amounts held back from the paycheque are included.
The second number is cash, and it’s due on the remittance schedule, not at year end. The first is cost. A decision that looks fine on annual profit can still strain a particular month. That’s an accounting question before it’s a strategy one.
These are estimates from 2026 data. They leave out workers’ compensation and other levies.
How should tax shape the strategy?
Every strategy ends in a tax bill, so put it in early. A Canadian-controlled private corporation with $300,000 of taxable income in Ontario shows about $35,088 of combined tax in the corporate tax calculator, leaving $264,912 inside the company. That’s about 11.7%.
We’d hedge that figure. It’s for a calendar 2026 year, and Ontario’s small business rate in it is a prorated blend, not a published rate. It also ignores associated companies, and it ignores the extra tax that can apply to large passive investment income.
The money left in the company isn’t yours yet. Taking it out as a dividend brings a second layer of personal tax, which the dividend tax calculator estimates. Whether to pay yourself a salary or a dividend is a strategic choice with a real difference in tax, so work out both before the year closes.
Where do accounting-based decisions go wrong?
Stale books are the biggest one. If the last reconciliation was in March, you’re deciding on old news. Monthly is a sensible minimum.
Another is treating a forecast as a fact. Projections are only as good as the assumptions, which is why the BDC suggests most likely, optimistic and pessimistic versions. Make the decision work in the pessimistic one or make it smaller.
And records. Decisions you can’t support with paperwork are hard to defend if the CRA asks. The CRA puts the rule this way on its page about where to keep records and for how long.
Generally, you must keep all required records and supporting documents for a period of six years from the end of the last tax year they relate to.
Where to keep your records, for how long and how to request the permission to destroy them early, Canada Revenue Agency, canada.ca
When a move is large enough that the tax outcome could swing it, such as a sale of the business or a change in how you’re incorporated, talk to a CPA before you sign. That’s the one place where a generic calculator isn’t enough.
A quick way to run a decision through your books
Write the decision as one sentence, for example “hire a second person in March.” Then list three numbers from your books: what it costs per month, the month the cash first goes out, and the month it starts paying you back. If you can’t fill in all three, you’re not ready to decide, and that tells you what to ask your bookkeeper for.
Run it twice, once with your hopeful sales and once with sales a fifth lower. If the second version still leaves you with cash to cover the payroll and the tax dates, go ahead. If not, shrink the move or time it differently.
Where this information comes from
The emphasis on cash timing and scenarios is from the BDC’s guide to financial projections, and the six-year rule is from the CRA‘s record keeping pages. The margin, payroll and tax figures come from this site’s calculators, using round example amounts and 2026 data. The Ontario small business rate is 2.2% from 1 July 2026, which blends to about 11.7% combined for a December year end. This site is independent and isn’t run by any government.
Frequently asked questions
How does accounting help with strategic decisions?
It shows the true cost of a choice, when the cash moves and what tax will take from the result.
Is a 40% markup the same as a 40% margin?
No. On a $60 cost, a 40% markup gives $84 and a 28.6% margin. A 40% margin needs a $100 price.
How often should I reconcile my books before a big decision?
Monthly is a sensible minimum. Old books mean the decision rests on old information.
How long must I keep the records behind a decision?
The CRA says six years from the end of the last tax year they relate to.
Does profit left in a corporation avoid tax?
No. The corporation pays its own tax, and taking the money out as a dividend brings personal tax on top.
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