Meet two identical consulting firms. Same clients, same team, same work in March. One owner thinks March was a disaster. The other thinks it was great.
They're both reading their own P&L correctly. They're just reading different methods.
That's the whole puzzle of accrual vs cash accounting in two sentences. The method changes when income and expenses show up on your reports, which changes how good or bad any given month looks. This article explains both methods with real-looking numbers, which questions each one answers well, and how to decide what your books should run on.
Accrual vs cash accounting, in plain English
Cash basis accounting records a sale when the customer's money lands in your bank and an expense when your money leaves. It's like reading your bank statement with categories.
Accrual basis accounting records a sale when you've earned it (did the work, shipped the product) and an expense when you've incurred it (used the service, received the goods), no matter when cash changes hands. To do that, accrual books use a few extra accounts:
- Accounts receivable: money customers owe you for work already done.
- Accounts payable: money you owe vendors for things already received.
- Prepaid expenses: costs you paid in advance and spread over the months they cover.
- Accrued expenses: costs you've incurred but haven't been billed for or paid yet.
If those last two sound abstract, our article on accruals and prepaids, explained with a coffee subscription makes them very concrete.
A worked example: the same March, two P&Ls
Back to the two consulting firms. Here's March for each (same facts, different method). Say the hypothetical firm:
- Did $60,000 of client work in March, invoiced on March 31.
- Collected $25,000 in March from February invoices.
- Paid $30,000 in March payroll.
- Paid a $12,000 annual insurance premium on March 1, covering March through next February.
Cash basis March P&L:
- Income: $25,000 (what was collected)
- Expenses: $30,000 payroll plus $12,000 insurance, so $42,000
- Net: a $17,000 loss
Accrual basis March P&L:
- Income: $60,000 (what was earned)
- Expenses: $30,000 payroll plus $1,000 insurance (one-twelfth of the annual premium), so $31,000
- Net: a $29,000 profit
Same business. Same month. A $46,000 difference in what the P&L says.
Now fast-forward to April. On cash basis, the $60,000 from March's invoices arrives, and April looks fantastic even if the team did very little work. On accrual basis, April shows only what was earned in April.
Cash basis tells you what happened in the bank. Accrual tells you how the business performed. Both are true. They answer different questions.
What cash basis accounting does well for a small business
Cash basis accounting for a small business has real advantages:
- It's simpler to keep. Fewer adjusting entries, fewer accounts to reconcile.
- It's intuitive. The P&L roughly tracks the bank balance.
- It can work fine for very small businesses that get paid right away and don't carry much inventory or many unpaid bills.
The weakness shows up as soon as timing gets lumpy. Annual payments, big invoices that take 60 days to collect, or projects that run across months make cash-basis P&Ls swing wildly. You can't tell whether a bad month was really bad or just slow to collect.
When accrual basis accounting is worth the extra work
Accrual basis accounting starts earning its keep when:
- Customers pay on terms (net 30, net 60) rather than at the time of sale.
- You pay big expenses annually or quarterly, like insurance or software.
- You carry inventory or work on projects that span months.
- You want to know gross margin by month, by service line or by job.
- A lender or investor asks for financial statements.
It does take more work. Someone has to record receivables and payables, spread prepaid costs, and book accruals at each month-end. That's normal controller-level work, done as part of a monthly close.
Accrual also explains one of the most confusing things owners experience: being profitable on paper with no cash in the bank. Our guide to profitable but no cash walks through where the money goes.
What about taxes?
The method your books use for monthly management reports and the method your tax return uses are related, but they're decisions with different owners. Your CPA decides which method is allowed and best for your tax return, based on rules that depend on your business. The books can be kept so your CPA gets what they need either way.
Many businesses run accrual-basis reports for management and let the CPA handle any conversion the return requires. Ask your CPA before changing methods. Switching can have tax consequences, and that's entirely their call.
How to tell which method your reports use
In QuickBooks Online, most reports have an accounting method setting (Cash or Accrual) at the top. Run your P&L both ways for the same month and compare. If they're wildly different, you've learned something about your timing. Our guide on how to read a profit and loss statement can help you make sense of what you see.
One caution: a QuickBooks accrual report is only accrual if someone actually records receivables, bills, prepaids and accruals. Clicking the Accrual button on a file where nobody books those entries mostly shows you cash basis with a different label.
Questions owners ask
Is accrual or cash accounting better for a small business?
Cash is simpler and can work for very small businesses with immediate payment and few bills. Accrual gives a more accurate picture of monthly profit once you have customer terms, annual expenses, inventory or projects. Your CPA decides the method for your tax return.
Can I use cash basis for taxes and accrual for my reports?
Many businesses keep management reports on accrual while the tax return uses whatever method the CPA determines is appropriate. The bookkeeping can support both. Confirm the setup with your CPA.
How do I switch from cash to accrual accounting?
Start by recording open customer invoices, unpaid bills, prepaid expenses and accrued costs as of a cutoff date, then keep recording them each month. Talk to your CPA first about any tax implications of changing methods.
Want reports that reflect how the business actually did?
Accrual books need someone to book the accruals, review the entries and close the month on schedule. That's the work our controller services handle, so your P&L shows performance instead of payment timing. For more practical notes on closes, reporting and CPA handoffs, subscribe to The ABFI Accounting Brief.