The one difference that matters
Cash and accrual accounting differ in a single respect: when a transaction gets recorded.
- Cash method: income is recorded when you receive the money, and costs when you pay them.
- Accrual method: income is recorded when you earn it, and costs when you incur them, whether or not money has changed hands yet.
Everything else follows from that timing rule. This is general information; which method you may or must use depends on your location, business type and size, so confirm with a qualified accountant or tax professional.
A hypothetical example
Suppose, hypothetically, a small design studio finishes a job in December and sends a $1,000 invoice. The customer pays in January. In December the studio also pays $400 for a month of rent.
Cash method
- December: income $0, costs $400, result of minus $400.
- January: income $1,000, result of plus $1,000 (ignoring other items).
Accrual method
- December: income $1,000 (the work was done), costs $400, result of plus $600.
- January: the payment simply settles the amount owed; no new income is recorded.
Same work, same payment, same rent. The cash method makes December look like a loss and January look strong. The accrual method places the income in the month the work happened, which matches it to the costs of producing it.
What the cash method shows well
Cash accounting tracks what is actually in the bank. That makes it intuitive.
- It is simple to keep: record it when money moves.
- It closely mirrors your bank statement, which makes checking your records easier.
- It gives a direct view of whether you can pay bills this week.
Its weakness is that it can distort performance. A strong month of work may look weak because customers have not paid yet, and a slow month may look fine because old invoices arrived. Large prepayments can make a period look better than the underlying work justifies.
What the accrual method shows well
Accrual accounting aims to match income with the costs that produced it, in the same period.
- Profit for a month reflects work actually done, not payment timing.
- Money owed to you and money you owe are both visible as part of your records.
- Comparisons between months are generally fairer, which helps when you read a profit and loss statement.
- Lenders and outside parties often expect it for larger or more complex businesses.
Its weakness is that profit and cash can diverge. You can show a profit on paper while the bank balance is low, because customers have not yet paid. That is why accrual users still need to watch cash flow separately. It also requires more record keeping, since you must track unpaid invoices and unpaid bills.
How the two methods relate to the statements
Under accrual accounting, a balance sheet includes amounts customers owe you (often called receivables) and amounts you owe suppliers (payables). Under a pure cash method those items usually do not appear, because nothing is recorded until money moves. This is one reason accrual statements can give a fuller picture of financial position.
Factors to weigh when choosing
Rules in your area. Tax authorities in some places let small businesses choose; in others, businesses above a certain size must use accrual. Thresholds and rules differ, so this is often the deciding factor.
Whether you carry inventory. Businesses that hold stock often find accrual-style treatment fits better, because the cost of goods should line up with the sale. Some places have specific rules here.
How much you invoice on credit. If most customers pay immediately at the point of sale, the two methods give similar results. If you routinely send invoices with 30-day terms, the gap grows.
What you need the numbers for. If you mostly want to know whether cash is coming in, cash accounting may be enough. If you want to judge profitability month by month, or you expect to seek outside funding, accrual may be more useful.
Your capacity to keep records. Accrual takes more discipline. A very small sole proprietorship with simple sales may reasonably prefer the simpler method, while a growing company with employees and credit sales may outgrow it.
Can you use both?
Some owners keep records on a cash basis day to day and use accrual-style reports for management purposes, or the reverse. What you file for tax may need to follow a particular method, and changing methods formally can require permission or specific steps in some places. Consult a professional before switching rather than doing it informally.
A practical way to decide
- Ask a local accountant or tax authority which methods are permitted for your type and size of business.
- Consider how often you invoice before being paid.
- Choose the simplest method that is allowed and gives you numbers you can act on.
- Revisit the decision as the business grows, since a method that suits a one-person start may not suit a team.
Whichever method you pick, apply it consistently. Switching back and forth makes it hard to compare periods, and consistent bookkeeping is more valuable than the theoretical perfect choice.