What is cash flow in business? Cash flow is the movement of money into and out of a business over a period of time. Positive cash flow means more cash came in than went out; negative cash flow means the opposite. It is reported in three parts: operating, investing and financing cash flow.
What does cash flow mean at work?
Cash flow is about timing and survival. A business can be profitable on paper and still run out of cash if customers pay slowly while bills, rent and payroll are due now.
That’s why owners and finance teams watch cash flow closely. It answers practical questions: Can we make payroll on Friday? Can we afford new equipment? Do we need a line of credit to get through a slow season?
Cash flow appears on the cash flow statement, one of the three main financial statements along with the income statement (P&L) and the balance sheet.
The 3 types of cash flow
| Type | What it includes | Example |
|---|---|---|
| Operating cash flow | Cash from running the core business | Customer payments in, supplier and payroll payments out |
| Investing cash flow | Cash used for or received from long-term assets | Buying a delivery van; selling old equipment |
| Financing cash flow | Cash from or to lenders and owners | Taking a bank loan; repaying it; owner investment or dividends |
Free cash flow is a popular extra measure: operating cash flow minus capital expenditures. It shows how much cash is left to repay debt, save or invest in growth.
Cash flow example
A small coffee roaster has this activity in March:
- Cash collected from customers: +$50,000
- Paid suppliers, rent and payroll: −$42,000
- Bought a new roasting machine: −$15,000
- Took a small bank loan: +$10,000
Operating cash flow = $50,000 − $42,000 = +$8,000
Investing cash flow = −$15,000
Financing cash flow = +$10,000
Net cash flow for March = +$3,000
Free cash flow = $8,000 − $15,000 = −$7,000. The loan covered the gap this month.
Cash flow vs profit vs revenue
| Term | Measures | Key point |
|---|---|---|
| Revenue | Total sales earned | Counted when earned, not necessarily when paid |
| Profit | Revenue minus expenses | Includes non-cash items like depreciation |
| Cash flow | Actual cash in and out | Shows whether you can pay bills right now |
Examples of cash flow in emails and messages
CFO email: “Cash flow is tight until the big client pays in May, so let’s delay non-essential purchases.”
Owner to accountant: “Can you build a 13-week cash flow forecast before we sign the new lease?”
Slack: “Switching to upfront deposits has really improved our cash flow.”
How to manage cash flow correctly
- Forecast ahead. A simple weekly or monthly forecast shows shortfalls before they happen.
- Invoice promptly and follow up. Faster collection is often the quickest fix.
- Negotiate payment terms. Ask customers for deposits and suppliers for longer terms.
- Keep a cash buffer. A reserve covers slow months and surprises.
- Time big purchases carefully. Match large outflows to strong cash months, or finance them.
- Separate personal and business money. It makes cash flow easier to see and manage.
Related terms
See more in our Business and Finance hub.
FAQ
What is cash flow in simple terms?
Cash flow is the money coming into a business minus the money going out over a period of time.
What are the three types of cash flow?
The three types are operating cash flow (core business activity), investing cash flow (long-term assets) and financing cash flow (loans, owner money and repayments).
Can a profitable business have negative cash flow?
Yes. If customers pay slowly or the business spends heavily on inventory or equipment, it can show a profit but still run short of cash.
What is free cash flow?
Free cash flow is operating cash flow minus capital expenditures. It shows the cash available after maintaining and investing in long-term assets.
How can a small business improve cash flow?
Common steps include invoicing faster, asking for deposits, negotiating longer supplier terms, cutting unnecessary costs and keeping a cash reserve.
