Cash accounting records income when money arrives and expenses when you pay them. Accrual accounting records income when you earn it and expenses when you incur them, regardless of when cash moves. Cash is simpler and works for many small service businesses. Accrual gives a truer picture of profit and becomes the better choice once you carry inventory, extend credit or take deposits.
This post is for owners setting up their books, or wondering whether the method they started with still fits. You'll see the same job recorded both ways, a side-by-side comparison, a decision checklist, and the tax questions to raise with your accountant before making any change.
Worked example: one catering job, two sets of books
Suppose a hypothetical catering company books a wedding in March. The full price is $16,000. Here's how the money moves:
- March: the couple pays a $4,000 deposit.
- June: the wedding happens. The company pays $9,500 for food and event staff that month. An equipment rental company bills $1,200 for linens and chafing dishes.
- July: the couple pays the $12,000 balance, and the company pays the $1,200 rental bill.
Here's the profit each method reports for this one job:
| Month | Cash method | Accrual method |
|---|---|---|
| March | +$4,000 (deposit received) | $0 (deposit is a liability until the event) |
| June | −$9,500 (food and staff paid) | +$5,300 ($16,000 revenue − $9,500 − $1,200) |
| July | +$10,800 ($12,000 received − $1,200 paid) | $0 |
| Total | +$5,300 | +$5,300 |
Both methods arrive at the same $5,300 in the end. What differs is when the profit shows up. Under cash accounting, March looks good, June looks like a disaster and July looks great, and none of those months tells you whether weddings are worth doing. Under accrual, June shows exactly what the event earned.
Now picture 40 events a year with deposits, balances and vendor bills crossing month-ends. Cash-basis monthly reports would swing wildly, while accrual reports would show which months and which event types actually make money.
The deposit is the key detail. Under accrual, money received for work not yet done is recorded as deferred revenue, a liability, because you owe the customer either the event or a refund. Our guide to deferred revenue explains how and when it moves onto the income statement.
Cash vs. accrual accounting, side by side
| Cash method | Accrual method | |
|---|---|---|
| Revenue recorded | When payment is received | When the work is done or goods are delivered |
| Expenses recorded | When you pay the bill | When you receive the goods or service |
| Tracks what customers owe you? | Not in the books | Yes, as accounts receivable |
| Tracks what you owe vendors? | Not in the books | Yes, as accounts payable |
| Bookkeeping effort | Lower | Higher, with month-end adjustments |
| Monthly profit accuracy | Distorted by payment timing | Matches revenue with the costs that produced it |
| Lender and buyer preference | Often asked to convert | Generally preferred |
| Best fit | Simple service businesses paid at time of sale | Businesses with inventory, credit terms, deposits or long projects |
One practical point: accrual doesn't replace watching your bank balance. A company can show accrual profit while its cash sits in unpaid invoices, which is why owners using accrual still need a cash forecast. We cover that gap in why profitable businesses can still run out of money.
Which accounting method is right for your business?
Run through this checklist. If you answer yes to two or more, accrual will likely give you more useful information, even if you keep filing taxes on the cash method.
- Do you buy and hold inventory for resale?
- Do customers regularly pay 30 days or more after you deliver?
- Do you take deposits or prepayments for work you'll do later?
- Do projects routinely span more than one month?
- Do you plan to apply for a significant loan, bring in investors or sell the business within a few years?
- Do you make pricing or hiring decisions based on monthly profit?
If you answered no to all of them, you're likely a business where the customer pays at the time of service, like a hair salon, a food truck or a tutor paid per session. Cash accounting is usually fine and saves time.
The middle path: report both ways
Many small businesses keep tax books on the cash method but review accrual-style reports for management. Most accounting software can produce a P&L on either basis from the same data, as long as you enter invoices and bills when they occur rather than only recording payments. It's a low-effort way to get better information without changing your tax method.
What moving your books to accrual involves
- Enter every invoice when you send it, not when it's paid, so receivables build up in your books.
- Enter every vendor bill when it arrives, so payables are tracked too.
- Set up a deferred revenue account for deposits and prepayments, and move amounts to revenue as work is delivered.
- Record prepaid expenses, like annual insurance, as an asset and expense one-twelfth each month.
- Add a short month-end checklist: unbilled work, bills not yet received, and any deposits earned during the month.
For most small businesses, that month-end checklist adds an hour or two of bookkeeping each month. Whether that's worth it depends on how much you rely on monthly numbers to make decisions.
What the tax side looks like
Your accounting method affects when income is taxed, not whether it's taxed. Under the cash method, income you invoice in December but collect in January generally falls into the next tax year. That timing flexibility is one reason many small businesses start on cash.
There are limits, though. The IRS requires some businesses to use accrual, based on factors like average annual gross receipts and whether inventory is a major part of the business. The thresholds are adjusted over time, so check the current figures with your CPA rather than relying on a number you read somewhere. Switching methods for tax purposes usually requires filing a formal request, and the transition year can create a one-time adjustment to taxable income.
Because these rules depend on your entity type, industry and history, have a CPA review your situation before you change methods.
Common mistakes when choosing or switching
- Judging a month's performance on cash-basis reports. A big payment or a prepaid bill can make one month look amazing and the next look terrible. Use accrual-style reports for decisions, even if you file taxes on cash.
- Recording customer deposits as income. This inflates revenue before you've done the work and can overstate how much you've really earned. Book deposits as a liability until you deliver.
- Mixing methods by accident. Recording some sales when invoiced and others when paid produces a P&L that matches neither method. Pick one approach for data entry and apply it consistently.
- Switching tax methods without professional help. A method change has filing requirements and can shift income between years. Plan it with your accountant, ideally before year-end.
- Forgetting month-end adjustments under accrual. Accrual only works if you record unbilled work, unpaid bills and prepaid expenses each month. Skipping them turns accrual books back into something closer to cash.
Where AI can help
An AI assistant can take an export of your transactions and flag items that may be recorded in the wrong period, like a prepaid annual subscription expensed all at once or a deposit booked as revenue. It can also explain, in plain language, why your cash-basis and accrual-basis P&Ls differ for a given month, which makes month-end reviews faster.
Your accountant or bookkeeper should confirm any adjustment before it's posted. AI tools can misread what a transaction was for, and a wrong adjustment can affect your tax return as well as your reports.
Frequently asked questions
Can I use cash accounting if I have employees?
Yes. Having employees doesn't by itself require accrual. What matters for tax purposes is mainly your size, entity type and whether you carry inventory. Payroll taxes are handled the same way under either method.
Does accrual accounting mean I pay tax on money I haven't received?
It can. Under accrual, income is generally taxable when earned, so an invoice sent in December may be taxed that year even if the customer pays in January. Your CPA can help plan around this.
Is modified cash basis a real option?
Some businesses use a hybrid that records most items on a cash basis but treats certain long-lived assets and liabilities on an accrual basis. It's common for internal reporting. For tax purposes, ask your accountant whether a hybrid approach is allowed for your situation.
Which method do lenders want to see?
Lenders and buyers generally prefer accrual statements because they show receivables, payables and matched profit. If you keep cash books, expect to be asked for accrual figures or a reconciliation. It helps to know how to read an income statement under either basis before those conversations.
Key takeaways
- Cash records money when it moves. Accrual records revenue when earned and expenses when incurred.
- Both methods produce the same total over time. They differ in timing, which changes what monthly reports tell you.
- Inventory, credit terms, deposits and multi-month projects all point toward accrual.
- You can keep tax books on cash and still review accrual-style reports for decisions.
- Talk to a CPA before switching your tax method, since it has filing requirements and timing effects.
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