Cash vs. accrual accounting: which one is your business actually using?

The short answer

Cash accounting records a transaction when money actually moves — you get paid, you record income; you pay a bill, you record an expense. Accrual accounting records a transaction when it's earned or incurred — you send an invoice, that's income now, whether or not the client has paid yet. Same business, same sale, two different answers for what your books say happened this month.

Most small businesses in Canada end up on accrual for tax reporting, whatever they use informally day-to-day. The method isn't a preference you set once and forget — it changes what your financial statements actually tell you.

The same invoice, recorded two ways

Say you finish a job on March 28, invoice the client $2,000 that day, and they pay you on April 12.

Neither answer is "wrong" — they're answering different questions. Cash accounting tells you what happened to your bank balance. Accrual accounting tells you what your business actually earned in a given period, regardless of when the cheque clears. The gap between the two is exactly the receivables and payables sitting between "earned" and "collected."

Why the difference actually matters

It's not just bookkeeping trivia — the method changes how healthy your business looks in any given month.

• Timing of income: a strong March full of invoices sent but not yet paid looks flat on a cash basis and strong on an accrual basis. A slow March that happens to collect a pile of old invoices looks great on cash and flat on accrual.
• Timing of expenses: the same logic runs the other way — a big bill received in March but paid in April shows up as a March cost under accrual, and doesn't touch your numbers at all under cash until April.
• Reading trends: if you're comparing month to month or making a decision off a P&L, cash-basis numbers can swing on nothing more than when clients happened to pay you — which has nothing to do with how the business is actually doing.
• Matching the return you file: whichever basis your books are kept on, it needs to match what eventually gets reported — reconciling the two after the fact is exactly the kind of year-end archaeology that costs more than doing it right the first time.

What Canadian businesses generally use

For tax purposes, most Canadian businesses report on the accrual basis — income recognized when earned, expenses when incurred, not when the cash moves. This is the general expectation built into how business income is reported on forms like the T2125 for self-employed individuals and the T2 for corporations. Some narrower situations have different rules, and the specifics of your own filing are worth confirming directly with the CRA or with an accountant rather than relying on a general guide.

What this means in practice: even if you personally think in terms of "what's in the bank," your books need to be built on accrual from the start. Bolting accrual adjustments onto a cash-basis year at tax time is one of the more common — and more expensive — year-end surprises.

Why the QuickBooks default matters less than you'd think

QuickBooks Online can generate reports on either a cash or accrual basis, and which one shows up by default depends on how the file was set up. New business owners sometimes treat that toggle as the decision — it isn't. What actually matters is that your books are kept consistently on the basis your business needs, and that the reports you're reading match the basis you think they're on. A report that quietly mixes the two, or flips depending on which button someone clicked last, will mislead you regardless of which default QuickBooks shipped with.

This is also where a lot of DIY books go sideways: the software makes it easy to toggle the view without anyone deciding, on purpose, which basis the business is actually run on.

Where the grunt work actually lives

Accrual accounting sounds simple in a two-line example. In practice it means tracking two moving lists all the time: accounts receivable (invoices you've sent that haven't been paid yet) and accounts payable (bills you've received that you haven't paid yet). Every month, those lists need to be reconciled against what's actually in the bank — which is the unglamorous, recurring work that keeps accrual books honest instead of just aspirational.

That reconciliation is the core of monthly bookkeeping — invoices tracked and matched to payments, bills tracked and matched to what's gone out, HST handled correctly on both sides, and a set of books built on the basis your filing actually needs. It's a recurring job, not a once-a-year cleanup, which is why it's priced as a monthly engagement — ours starts at $200/month, HST filings included.

Which one should your business actually use

If you're incorporated or operate as a sole proprietor with any real volume of invoices and bills, accrual is where your books need to live — both because it's the basis tax reporting generally expects, and because it's the only one that tells you the truth about how the business is doing in a given month. Cash accounting has its place as a simple gut-check on bank balance, but it's not a substitute for accrual books, and trying to convert a year of cash-basis records into an accrual-basis return at tax time is exactly the kind of work that turns a routine filing into an expensive one.

Rule of thumb: if your monthly P&L bounces around in ways that don't match what you know about the business, ask which basis it's built on before you ask anything else.

Bottom line

Cash and accrual accounting answer different questions with the same numbers — one tracks the bank balance, the other tracks what the business actually earned and owed. Canadian tax reporting generally expects the accrual view, which means the receivables-and-payables grunt work isn't optional if the books are going to hold up. Getting that structure right once, and keeping it consistent every month, is cheaper than untangling it later.