Cash flow analysis guide: Definition, steps, and examples
Learn what cash flow analysis shows, how to review operating, investing, and financing activity, and how to compare actual cash results with forecasts.
This article was originally published on May 9, 2024 but has been refreshed and re-published with new content in September 2026.
Imagine your month closes with $2,000 more in cash than it started with. That sounds reassuring, but the final balance doesn’t show what happened along the way.
A week-by-week view could reveal a sharp drop in cash caused by one unusual expense, giving you something specific to investigate.
A month-end balance tells you where cash finished, but a cash flow analysis shows how it moved and why, helping you connect changes in cash to customer payments, operating costs, investments, and financing decisions.
By understanding those movements, you can spot patterns, investigate unexpected changes, and make better-informed decisions about what happens next.
Key takeaways
- Cash flow analysis examines where cash comes from, where it goes, and how your cash position changes over a set period.
- Operating, investing, and financing cash flows tell you different things, so positive or negative cash flow needs to be interpreted in context.
- A useful analysis looks beyond the final cash balance to understand timing, trends, and the business activity behind unusual changes.
- Forecasting looks ahead, while cash flow variance analysis compares expected cash flow with what actually happened.
Here’s what we’ll cover:
- What is cash flow?
- Why is cash flow analysis important?
- Cash flow statement analysis: What does the statement show?
- What are the three types of cash flow?
- How to perform cash flow analysis in five steps
- Cash flow analysis example
- How does cash flow forecasting support analysis?
- What is cash flow variance analysis?
- Which cash flow metrics can add context?
- What are the limitations of cash flow analysis?
- How can software help with cash flow analysis?
- Final thoughts
- Frequently asked questions
What is cash flow?
Cash flow analysis is the process of reviewing cash moving into and out of your business over a set period to understand where it came from, where it went, and how your cash position changed. It can help you assess liquidity, identify patterns, and investigate the business activities behind changes in cash.
Cash flow itself is the movement of cash into and out of the business.
It’s different from profit, which is calculated from revenue and expenses rather than cash movements alone. A company can therefore report profit before all related cash has been received or paid.
Why is cash flow analysis important?
Cash flow analysis helps you understand whether the cash available to your business is coming from day-to-day operations, investment activity, or outside financing and where that cash is being used.
That context is more useful than looking at the end balance alone.
For example, say two businesses each report a month-end cash balance of $50,000. One reached that balance mainly through customer receipts, while the other borrowed $40,000 during the month.
Their balances look the same on the surface, but the activities behind them tell very different stories.
Reviewing cash movements over time can also help you spot changes that need attention.
If customer payments are arriving later, inventory purchases have increased, or a one-time expense has reduced available cash, you can investigate the reason before deciding what action to take.
Cash flow statement analysis: What does the statement show?
Cash flow statement analysis uses the statement of cash flows to examine how cash changed across operating, investing, and financing activities during a reporting period. The statement shows actual cash movements rather than accounting profit.
The cash flow statement works alongside the income statement and balance sheet.
The income statement shows profitability over a period, while the balance sheet shows assets, liabilities, and equity at a point in time.
Looking at all three gives you different views of financial performance and position.
Direct versus indirect cash flow presentation
The operating section of a cash flow statement can be presented using a direct or indirect method.
The direct method shows major categories of cash received and cash paid, such as receipts from customers and payments to suppliers.
The indirect method starts with profit or loss and adjusts for non-cash items and changes in areas such as receivables, payables, and inventory to arrive at operating cash flow.
What are the three types of cash flow?
The three main categories on a cash flow statement are operating, investing, and financing cash flow. Reviewing them separately helps you understand which activities generated or used cash instead of judging the overall change in cash on its own.
| Cash flow type | What it shows | Common examples | What to look for |
|---|---|---|---|
| Operating cash flow | Cash generated or used by the business’s main operations. | Customer receipts and cash paid for operating costs. | Whether core operations are generating cash and how that pattern changes over time. |
| Investing cash flow | Cash used for or received from long-term assets and investments. | Buying equipment or receiving cash from an asset sale. | Whether cash movements reflect investment, asset sales, or other long-term decisions. |
| Financing cash flow | Cash moving between the business and its sources of capital. | Receiving borrowed funds, repaying borrowing, or receiving owner or investor capital. | How financing decisions are affecting the business’s cash position. |
A negative number is not automatically bad. Buying equipment, for example, can create negative investing cash flow during the period even when the purchase supports a deliberate business plan.
And positive financing cash flow may increase cash but could simply mean the business has taken on new financing.
How to perform cash flow analysis in five steps
Start with a reliable cash flow statement or accurate cash records for the period you want to review, then work from the overall change in cash down to the activities that caused it.
1. Choose the period and gather your cash data
Decide whether you are reviewing a week, month, quarter, or another useful period, then gather the records needed to track cash movements.
Good record-keeping matters here.
Accounting software can help keep transactions and financial records in one place, but the underlying information still needs to be complete and accurate.
2. Review the beginning balance, ending balance, and net change
Start with the big picture.
Subtract the cash balance at the start of the period from the end cash balance to see the net change during the period:
Net change in cash = End cash balance − Start cash balance
A positive balance means cash increased overall, while a negative balance means cash decreased.
But neither tells you enough on its own, so the next step is to find out what caused it.
3. Break the cash flow into operating, investing, and financing activity
Review how much cash each of these three categories generated or used.
This is where you can see whether the change came mainly from normal operations, the purchase or sale of long-term assets, or financing decisions.
4. Compare periods and investigate the drivers
Look at cash flow across more than one period so you can separate normal patterns from unusual movements.
If operating cash flow changes, investigate the business activity behind it.
An increase in accounts receivable, for example, may mean sales have been recorded but more cash is still waiting to be collected.
Our guide to common cash flow problems covers other issues that can affect when cash reaches or leaves the business.
5. Use what you learned to inform the next forecast
Use the patterns and unusual movements you identified to review the assumptions behind future receipts and payments.
Once you understand what drove this period’s cash flow, use that insight to inform your financial planning.
Cash flow analysis example
Let’s put that month-end example into numbers.
Say a small business starts the month with a cash balance of $10,000 and ends it with $12,000.
Looking at the weekly cash inflows and outflows gives a more detailed view of what drove that $2,000 increase.
| Period | Cash in | Cash out | Net cash flow | Cash balance |
|---|---|---|---|---|
| Opening balance | — | — | — | $10,000 |
| Week 1 | $8,000 | $6,000 | +$2,000 | $12,000 |
| Week 2 | $7,500 | $6,500 | +$1,000 | $13,000 |
| Week 3 | $7,000 | $10,200 | −$3,200 | $9,800 |
| Week 4 | $8,500 | $6,300 | +$2,200 | $12,000 |
| Monthly total / closing balance | $31,000 | $29,000 | +$2,000 | $12,000 |
Looking only at the start and end of the month, cash increased by $2,000.
But the weekly analysis tells you more. In week three, $10,200 in cash outflows resulted in net cash flow of −$3,200.
If, for example, unusually high delivery costs drove that increase in outflows, the business has something specific to investigate.
The response might be to review delivery pricing, customer terms, or how remote orders are fulfilled.
The analysis has moved from “cash increased by $2,000 this month” to identifying a specific transaction pattern that can lead to better decision-making.
How does cash flow forecasting support analysis?
Cash flow forecasting estimates the cash you expect to receive and pay over a future period so you can anticipate changes in your cash position. It is forward-looking, while cash flow analysis primarily helps you understand cash movements that have already happened and their causes.
A forecast might include expected customer receipts, payroll, supplier payments, and planned purchases. Comparing the forecast with actual results (cash flow analysis) can show where timing or assumptions changed and help shape future forecasting.
You can also use scenario planning to test different assumptions and model various possible outcomes, rather than relying on one forecast.
What is cash flow variance analysis?
Cash flow variance analysis compares forecast cash flow with actual cash flow to show where results differed from expectations. It can help you identify timing differences, unexpected costs, delayed receipts, or assumptions that need another look.
A common way to calculate the variance is:
Cash flow variance = Actual cash flow − Forecast cash flow
Once actual results are available, you can compare them with the forecast.
Returning to the business in our example, suppose it forecast net cash flow of +$300 for week three but actually recorded −$3,200.
Cash flow variance = −$3,200 − $300 = −$3,500
Using this calculation, the $3,500 negative variance shows that actual net cash flow was $3,500 below forecast.
The calculation tells you the size of the gap, but the useful part of the analysis is finding out why it happened.
A one-off delivery cost calls for a different response than customers consistently paying for goods or services later than forecast.
Which cash flow metrics can add context?
Two common cash flow metrics that can add context are free cash flow and operating cash flow margin. Tracking these measures over time can help you understand changes in how your business generates and uses cash.
- Free cash flow: often calculated as operating cash flow minus capital expenditures. It shows how much cash remains after capital expenditures.
- Operating cash flow margin: operating cash flow divided by net revenue, usually expressed as a percentage. It shows how much operating cash flow the business generates relative to its revenue.
There is no single ratio that proves a business has good cash flow. Compare these measures across relevant periods and use them to investigate changes rather than judging one result in isolation.
What are the limitations of cash flow analysis?
Cash flow analysis can show where cash came from, where it went, and how your cash position changed, but it doesn’t provide a complete picture of financial performance. On its own, it doesn’t tell you whether the business is profitable, explain every business factor behind a cash movement, or predict future cash flow with certainty.
For example, cash flow analysis may show that inventory purchases caused a rise in cash outflows, but you may need other financial and operational information to understand whether that spending is supporting profitable sales.
Cash flow should therefore be reviewed alongside the income statement and balance sheet.
Forecasts also carry uncertainty because customer payment timing, sales, costs and other assumptions can differ from what eventually happens.
How can software help with cash flow analysis?
The right financial software will help reduce the manual work involved in gathering cash data, updating reports, and preparing forecasts. Its value comes from automating data entry and making financial information more reliable and easier to review.
Managing your cash flow records manually gets harder as your transaction volume and data sources grow.
Cash flow analysis software can ensure those records are accurate and updated in real time, making analysis easy and actionable.
Final thoughts
Cash flow analysis becomes useful when you move beyond the end balance and ask what caused it to change.
The pattern is the same each time: look past the end balance, understand which activities drove the change, and carry what you learn into your next forecast.
When manual reporting starts taking too much time, explore Sage’s cash management software to see how connected financial data can support cash visibility, analysis, forecasting, and planning.
Frequently asked questions
How often should you perform cash flow analysis?
There is no single review frequency that fits every business. A stable business may review cash flow monthly, while a company with tight liquidity, rapid growth, or large seasonal swings may need to look at its cash position more often.
The right frequency is one that gives you enough time to act before an expected payment or cash shortage becomes a problem.
What is considered good cash flow?
There is no universal cash flow amount or ratio that is “good” for every business. What matters is whether the business can meet its obligations, fund planned activity, and understand where its cash is coming from. Review patterns over time and consider the size, industry, financing structure, and cash needs of your business.
How does seasonality affect cash flow analysis?
Seasonality can create predictable periods of higher or lower cash receipts and payments. Comparing similar periods from previous years can help you distinguish a recurring seasonal pattern from a new cash flow issue. A forecast can then account for expected peaks and slower periods when planning future cash needs.
What is the difference between cash flow analysis and cash flow management?
Cash flow analysis examines cash movements to understand what changed and what contributed to those changes. Cash flow management is the broader process of making decisions about the timing and handling of cash coming into and leaving the business.
Analysis can inform management decisions such as following up on overdue invoices, changing spending plans, or preparing for a future cash requirement.
Free cash flow forecast template
Gain cash flow clarity with our free forecast template.
Subscribe to the Sage Advice Newsletter
Get a roundup of our best business advice in your inbox every month.