Short answer: cash accounting records money when it moves in or out of your bank account, while accrual accounting records it when you earn it or owe it. Most very small businesses with simple sales are fine with cash accounting. Businesses with stock, long payment terms, investors or larger revenue usually need accrual accounting to see their real profit.
Choosing an accounting method sounds boring, but it affects how much tax you pay, when you pay it, what your reports show and even how easily you can get financing. Many owners pick whatever their first bookkeeper suggested and never review it. This guide explains both methods with simple examples, shows who should use which, and gives you a quick tool to see which one fits your business today.
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What is cash accounting?
Under cash accounting you record income on the day the money arrives and expenses on the day you pay them. If you finish a job in October and the client pays in December, the income belongs to December. If you receive a supplier bill in October and pay it in November, the cost belongs to November.
The main benefit is simplicity. Your records match your bank account, so it is easy to understand, and you pay tax only on money you have actually received. The weakness is that it can give a misleading picture of performance. A month with no payments looks poor even if you earned a lot, and a month with a large payment looks great even if the work was done long ago.
What is accrual accounting?
Under accrual accounting you record income when you earn it, even if the client has not paid yet, and you record expenses when you receive the goods or service, even if you have not paid. The same October job counts as October income, and the unpaid invoice appears as money owed to you. The supplier bill counts as an October cost and shows as money you owe.
This method matches income and costs to the same period, so it shows your real profit. It also tracks what customers owe you and what you owe suppliers, which is vital for planning. The downside is complexity: you need more records and usually accounting software or a bookkeeper.
Cash vs accrual at a glance
| Feature | Cash accounting | Accrual accounting |
|---|---|---|
| Income recorded | When money arrives | When the work is done or invoice is issued |
| Expenses recorded | When you pay | When you receive the bill |
| Complexity | Low | Medium to high |
| Shows true profit | Not always | Yes |
| Tracks money owed | No | Yes |
| Best for | Freelancers, small shops | Growing firms, stock holders, companies with investors |
Which method is right for you?
Four things decide the answer: your size, your stock, your payment terms and who reads your reports. If you are a freelancer or a small shop with sales paid immediately, cash accounting is usually enough. If you sell on credit terms, hold a lot of inventory, plan to raise funding or are close to the revenue limit that your country sets for cash accounting, accrual is safer. Rules differ by country, and some places require accrual accounting above a certain size, so check with a local accountant.
Cash or accrual quick checker
Answer five questions. The tool gives a simple suggestion. It is a guide, not tax advice.
- Answer all five questions.
- Press the button.
- Confirm the result with your accountant.
A quick example
How to switch methods
You can change your method, but it is not a casual decision. Tax offices often need notice or approval, and the switch can move income into one year and expenses into another, which changes your tax. Pick a clean date such as the start of a financial year, list all unpaid invoices and bills on that date, and let an accountant prepare the transition. Keep clear notes so future reports remain comparable.
Good habits help whichever method you use. Send invoices quickly, record every payment on the day it arrives and reconcile your bank account monthly. Our guide to reading a profit and loss statement shows what your reports should look like, and calculating your break-even point tells you which sales level keeps the business safe. If you want to be taken seriously by banks later, read how to build business credit.
Records you need to keep either way
No matter which method you choose, keep a tidy set of records. Save every invoice you send and every bill you receive, keep receipts for expenses, and store bank statements for the period your tax office requires. A simple folder system by month works well: one folder for sales, one for costs and one for bank statements. Scan paper receipts with your phone the same day, because faded receipts are hard to use later. Give each invoice a clear number and date, and note when it was paid. If you ever face a tax review, funding round or sale of the business, well-organised records make the process smoother and faster, and they show buyers and advisers that the business is run professionally.
Common mistakes to avoid
- Never reviewing the method. What suited a tiny business may not suit one that has doubled.
- Mixing methods. Pick one and apply it consistently.
- Ignoring unpaid invoices. Under either method, late payments hurt your cash.
- Skipping bank reconciliation. Errors grow quietly if you do not check monthly.
- Doing it alone for too long. A short yearly review with an accountant often pays for itself.
Frequently asked questions
Can a small business use cash accounting?
Yes, many do, especially freelancers and small shops. Local rules may limit it as revenue grows.
Is accrual accounting more accurate?
It shows profit more accurately because income and costs are matched to the same period.
Does the method change how much tax I pay?
Over time the total is similar, but the timing can change. Ask a local accountant.
Do I need software for accrual accounting?
It is not required, but software makes tracking invoices and bills much easier.
