Improve Cash Flow: 7 Practical Steps for Small Businesses

To improve cash flow in a small business, tighten your invoicing and payment terms, build a 13-week cash flow forecast, reduce the gap between when you do the work and when you get paid, and stay ahead of your tax and super obligations so they never arrive as a surprise. Most cash flow problems are not profit problems. The business is making money. The money just arrives too slowly, leaves too quickly, or gets swallowed by obligations that were never planned for.

Who this is for:  Business owners in Queensland and around Australia whose business is profitable on paper but always seems short of cash. And anyone trying to understand what to actually do about it rather than just being told to ‘manage cash flow better’.

82% of small business failures are attributed to poor cash flow management ASIC, 2023 44 days is the average debtor collection period for Australian SMEs Xero Small Business Insights 13 weeks of forward visibility is the minimum a healthy cash flow forecast should cover 30% of SMEs say late payments from customers are their biggest financial challenge ASBFEO, 2024

Why profitable businesses still run out of cash

Cash flow and profit are not the same thing. A business can show a healthy profit on its P&L and still have nothing in the bank on a Tuesday afternoon. Understanding why this happens is the starting point for fixing it.

  • You invoice in arrears. You do the work in April. You invoice in May. You get paid in June. Your P&L shows that income in April when it was earned. Your bank account sees it in June, if you’re lucky. The gap between those two things is where cash flow problems live.
  • Tax and super catch people off guard. BAS is due four times a year. Super must now be paid each pay run from 1 July 2026 (Payday Super is now law). PAYG instalments are due quarterly. None of these are surprises if you plan for them. All of them feel like surprises if you don’t.
  • Growth consumes cash. A growing business needs to pay wages, buy materials, and cover overheads before the revenue from that growth arrives. The faster you grow, the more cash you need upfront. Some of the most cash-strapped businesses are actually doing well.
  • Customers pay late. Australian small businesses are owed around $26 billion in overdue invoices at any given time. Thirty-day terms that stretch to 60 or 90 days in practice can quietly destroy an otherwise healthy business.
  • Lumpy revenue with flat costs. Rent, wages, software subscriptions, and insurance come out on the same dates every month. Revenue does not always arrive on the same schedule. The mismatch creates gaps.

Worth saying clearly: If your cash flow problem is actually a profitability problem, no amount of invoicing discipline will fix it. The steps below assume your business is profitable. If it is not, that is a different conversation and one worth having with your accountant before anything else.

7 Steps to Improve Cash Flow in a Small Business

These are in order of impact, not order of difficulty. Start at the top.

Step 1: Shorten your payment terms and enforce them

Most small businesses default to 30-day payment terms because that is what they have always used, or because they assume clients expect it. In practice, 14-day terms are perfectly standard for most services, and 7-day terms are reasonable for smaller jobs.

The change that matters most is not what your terms say. It is what happens when they are not met.

What to do:

  • Move to 14-day terms on new clients and test 7-day terms on smaller jobs.
  • Add an online payment link to every invoice. Clients who can pay by clicking a button pay faster. This single change reduces average debtor days for most businesses.
  • Set automatic invoice reminders at 3 days overdue, 7 days overdue, and 14 days overdue in Xero. The reminder does the chasing for you.
  • For large or ongoing jobs, bill in stages rather than at completion. A 30/30/30/10 or 50/50 split on project-based work dramatically reduces the amount of outstanding debt at any one time.
  • For new clients or clients who have paid late before, ask for a deposit upfront. Thirty to fifty per cent upfront is standard in many industries and protects you if the relationship sours.

The one change with the most impact: Turn on automated invoice reminders in Xero right now. It takes five minutes and removes the awkwardness of chasing clients personally. Most late payments are not intentional. People are busy. A polite automated reminder is usually enough.

Step 2: Build a 13-week cash flow forecast

A 13-week cash flow forecast shows you, week by week, how much money is coming in and how much is going out. It is the single most effective tool for staying ahead of cash flow problems rather than reacting to them.

Thirteen weeks is the right window because it is long enough to see problems coming and short enough to be accurate. A 12-month forecast has limited value because too much changes. A 13-week rolling forecast, updated weekly, tells you what you actually need to know.

What goes into it:

  • All confirmed income: invoices raised, payment agreements, recurring revenue, progress claims due.
  • All known outgoings: wages, rent, loan repayments, insurance, subscriptions, and supplier payments.
  • Tax obligations: BAS due dates, super due dates, PAYG instalment dates. These must be in the forecast, not treated as surprises.
  • Any large one-off items: equipment purchases, insurance renewals, annual subscriptions.

The forecast shows you which weeks you will be short before they arrive. That gives you time to do something about it: chase a payment, delay a discretionary purchase, draw on a facility, or have a conversation with your bank.

How to build it: Start in Xero. Run your accounts receivable and accounts payable reports to get what is already confirmed. Add your known fixed costs. Put it in a simple spreadsheet with one column per week for 13 weeks. Update it every Monday. It does not need to be perfect to be useful.

Step 3: Get on top of your invoicing speed

The day you finish a job is the earliest you can start the clock on getting paid. Every day you wait to send the invoice is a day you have added to your debtor days for no reason.

This sounds obvious. In practice, invoicing is one of the most commonly delayed administrative tasks in small business. Projects finish on a Friday afternoon. The invoice gets sent on Monday. Or Tuesday. Or at the end of the month when someone finally gets to it.

What to do:

  • Invoice on the day the job is complete, or as close to it as possible. Same day is the goal.
  • If you use a job management app like ServiceM8, Tradify, or Buildxact, set it to generate a draft invoice automatically when a job is marked complete. Then approve and send it.
  • For recurring clients, set up repeating invoices in Xero so they go out on the first of each month automatically.
  • If invoicing is a bottleneck, work out why. Is it because you are waiting on information? Because approvals take time internally? Fix the process, not just the intent.

The maths of this: If you typically wait five days to invoice and your terms are 14 days, you are effectively giving your clients 19-day terms. On a $50,000 monthly revenue base, reducing average invoicing lag from 5 days to 1 day recovers roughly $6,600 in cash, permanently.

Step 4: Plan for tax and super before they arrive

BAS, super, and PAYG instalments are the most predictable large cash outflows a business faces. They are also the ones that most often catch businesses off guard. That is a planning failure, not a cash flow failure.

2026–27 Budget update — $1,000 instant tax deduction: From the 2026–27 income year, eligible Australian tax residents who earn income from work can claim an automatic $1,000 deduction for work-related expenses without keeping receipts or itemising individual claims. This is now law. For sole traders and business owners, this reduces the record-keeping burden for small work-related expenses. If your actual work-related expenses exceed $1,000, you can continue to claim the full amount in the usual way with supporting records.

The solution is not complicated. You know roughly when these obligations fall. You know roughly how large they will be. Build them into your forecast and set aside money for them as you go.

A simple system that works:

  • Open a second business bank account and label it ‘Tax’. Every week, transfer a percentage of your revenue into it. For most GST-registered businesses, 10 per cent covers your GST liability roughly. For income tax, your accountant can give you a more precise percentage based on your expected profit.
  • For superannuation, you are now legally required to pay each obligation with each pay run. Payday Super is law from 1 July 2026. Calculate your super liability each pay run and transfer it immediately. This prevents the money from being spent.
  • Set calendar reminders two weeks before every BAS due date, super due date, and PAYG instalment date. Two weeks gives you time to top up the tax account if needed.

ATO payment plans: If you are behind on BAS or super and cannot pay in full, the ATO offers payment plan arrangements. Do not ignore the debt or hope it goes away. The ATO charges the General Interest Charge (GIC) on unpaid BAS amounts – the rate changes quarterly, so check ato.gov.au for the current rate. For unpaid super, the Super Guarantee Charge applies instead, which includes a separate nominal interest component of 10 per cent per annum plus an administration fee and can escalate quickly to director penalty notices for unpaid super. Call them or ask your accountant to arrange a plan as soon as possible.

Step 5: Negotiate better payment terms with your suppliers

Most business owners spend energy trying to get paid faster and forget that the other lever is paying out more slowly. Both reduce the pressure on your cash.

Supplier payment terms are often negotiable, particularly if you are a reliable, long-standing customer. Asking for 30-day terms when you currently pay on 14, or 45 days instead of 30, can meaningfully extend your runway.

How to approach this:

  • Identify your three to five largest suppliers by monthly spend. These are the ones where an extension makes the most difference.
  • Request a conversation about payment terms, framing it as wanting to set up a more structured arrangement rather than citing cash pressure. Most suppliers would rather extend terms than lose a good customer.
  • For material suppliers, ask about account credit facilities if you do not already have one. Buying on account with 30-day terms instead of paying cash on delivery is a meaningful difference for trade businesses.
  • Pay on the last day of your terms, not before. Early payment is generous when you have surplus cash. When cash is tight, pay on day 30, not day 10.

Step 6: Review your pricing and job profitability

Cash flow problems that persist despite good invoicing and collection habits are often a margin problem in disguise. If your prices have not kept pace with rising costs, every job you complete is generating less cash than it should.

This step is particularly important for trades businesses, where material costs and labour rates have increased sharply in recent years. A price that was profitable in 2022 may not be profitable in 2026.

What to review:

  • Run a job profitability report in Xero or your job management app. Which jobs make good money? Which ones barely break even? Are there patterns around job type, client type, or size?
  • Compare your current hourly or day rates against what you charged 12 to 24 months ago. Have your costs (wages, materials, fuel, insurance) increased by more than your prices?
  • Look at your gross margin. For most service businesses, a gross margin below 50 per cent starts to make profitability fragile. For trades businesses, margins vary significantly by trade and job type, but your accountant can benchmark you against industry averages.
  • If your pricing is below market, a 5 to 10 per cent price increase on new work will rarely cost you clients but can meaningfully improve your margins.

A useful question: If you won 30 per cent more work tomorrow, would your cash position improve? If the answer is no, you likely have a margin problem, not a volume problem. More revenue at low margins just creates more cash pressure, not less.

Step 7: Use a business line of credit as a buffer, not a crutch

A business line of credit or overdraft facility gives you a buffer for the gaps between when money goes out and when it comes in. Used correctly, it costs almost nothing. Used as a permanent source of funding, it becomes expensive and masks underlying problems.

The right time to set up a line of credit is before you need it. Banks will lend money to businesses that are doing well. They are much less inclined to lend to businesses that are in trouble.

How to use it well:

  • Set up a business overdraft or line of credit with your bank as a cash flow buffer. A limit of one to two months of operating costs is a reasonable starting point.
  • Use it only for timing gaps: you need to pay wages on Thursday and the large payment you are expecting arrives on Monday. Draw it down, pay it back.
  • If your line of credit is permanently drawn and never being repaid, that is a signal your business has a structural cash flow or profitability problem that the line of credit is hiding.
  • Review the facility annually. As your revenue grows, the limit may need to increase. As your cash management improves, you may find you need it less.

Timing matters: Apply for a line of credit during a period when your financials look strong. If you wait until you are in genuine need, the bank will see the pressure in your accounts and may decline or offer less favourable terms. This is one area where being proactive with your accountant pays off, they can help you prepare the right documentation and approach the bank at the right time.

Cash Flow Health Check: A Quick Self-Assessment

Run through this for your business right now. The more boxes you cannot tick, the more likely cash flow is a live problem or a near-future one.

  • I know my current debtor days (the average time from invoice to payment) If you do not know this number, pull an aged receivables report in Xero now.
  • I have a forward cash flow forecast covering at least the next 4 weeks Ideally 13 weeks. Even 4 weeks of visibility is better than none.
  • My invoices go out within 1 to 2 days of a job being completed
  • I have automatic invoice reminders set up in my accounting software
  • I know exactly when my next BAS, super, and PAYG obligations fall due And I have money set aside to meet them.
  • I have a separate account or clear plan for setting aside tax obligations
  • I have reviewed my pricing in the last 12 months against current costs
  • I know which jobs or clients profitable and which ones are not
  • I have a business line of credit or overdraft facility set up for timing gaps Not in use permanently. Set up as a buffer.
  • My accountant has seen my cash flow position in the last 6 months Cash flow is one of the first things a proactive accountant should ask about.

When to bring your accountant into the conversation

Not every cash flow issue needs an accountant. Some of the steps above, like setting up invoice reminders or opening a separate tax account, you can do yourself this week.

But there are situations where professional advice makes a real difference:

  • You are consistently short of cash despite reasonable revenue. This usually means there is a structural issue: pricing, timing, tax obligations, or a combination. A good accountant can identify which one quickly.
  • You are behind on ATO obligations. Overdue BAS, super, or PAYG creates compounding interest and the risk of director penalty notices. This needs to be addressed quickly. An accountant can negotiate payment arrangements with the ATO on your behalf.
  • You are about to take on significant debt or a large contract. Both of these change your cash flow profile significantly. A 13-week forecast built with your accountant before you commit is worth the time.
  • You want to understand your real profit margin. If you are not sure whether your pricing covers all your costs, your accountant can model this for you and compare it against industry benchmarks.
  • You are planning to grow. Growth is the most cash-hungry phase of any business. Understanding the cash implications before you hire, before you take on the contract, and before you buy the equipment is what keeps a growing business from accidentally running out of money.

From Simon Burke Co-Founder Acctivate Business Accountants:  Cash flow is the number one pain point we see in growing Brisbane businesses. It is almost never about the business not making money. It is about timing, planning, and having someone looking at the numbers alongside you. If you are unsure where you stand, we can work through it in one conversation.

Frequently Asked Questions

Straight answers to the cash flow questions small business owners ask most often.

What is cash flow and why does it matter for small businesses?

Cash flow is the movement of money into and out of your business over time. Positive cash flow means more is coming in than going out. Negative cash flow means the opposite, and it is why businesses that are profitable on paper can still fail. It matters because your business can only pay wages, suppliers, rent, and tax with actual money in the bank. Profit on a P&L does not pay a bill. Cash does.

Debtor days tells you the average number of days it takes your clients to pay you. The formula is: (Accounts Receivable divided by Total Credit Sales) multiplied by the number of days in the period. In practice, the easiest way to track this is in Xero under the Business Snapshot or through your aged receivables report. The lower your debtor days, the faster your clients are paying and the healthier your cash flow position.

A good cash flow forecast shows you, week by week, all the money expected to come in and all the money expected to go out, for at least the next 13 weeks. It includes confirmed income like approved invoices and recurring revenue, all fixed costs like wages and rent, variable costs like materials and contractors, and all tax and super obligations. It is updated weekly, takes about 30 minutes to maintain once set up, and is the most valuable planning tool most small businesses never use.

The fastest short-term improvements come from three places. First, chase overdue invoices today. Call or email anyone past their payment terms and ask when payment is coming. Second, turn on automatic invoice reminders in your accounting software so future invoicing chases itself. Third, if you have invoices that are ready to send but have not been sent yet, send them now. Every day you delay an invoice is a day you push back your payment date for no reason.

Invoice financing (also called debtor finance or invoice factoring) lets you access a percentage of an invoice’s value immediately, rather than waiting for the client to pay. It can be useful for businesses with large outstanding invoices and strong gross margins, typically above 40 per cent, because the lender charges a fee on the advance. It is worth exploring if you have long debtor days and a client base of creditworthy businesses. It is less suitable if your margins are thin or if the underlying problem is that clients are not going to pay at all.

A common guideline is three months of operating costs as a cash reserve. For most small businesses, that is a meaningful amount and takes time to build. A more practical starting target is four to six weeks of operating costs, including wages, rent, and regular supplier payments. Build from there. The right amount depends on how predictable your revenue is. A business with lumpy, project-based income needs a larger buffer than one with reliable recurring revenue.

Yes, and it is one of the most valuable things a good accountant can do for a growing business. A CA-qualified accountant can model your cash flow position, identify what is driving the problem, help you build a 13-week forecast, negotiate with the ATO if you are behind on obligations, and identify whether the issue is structural (pricing or margin) or timing-based. Cash flow advice is part of what separates proactive accountants from compliance-only firms.

Picture of Simon Burke, CA

Simon Burke, CA

Simon Burke is a Chartered Accountant (CAANZ), Registered Tax Agent and Co-Founder of Acctivate Business Accountants, with a decade of experience in accounting and business advisory. Holding dual degrees in Business Management and Commerce and a Xero Advisor certification, Simon specialises in helping businesses build stronger foundations through smarter structures, cash flow strategy, and operational efficiency.

General information only. This article does not constitute financial, tax, or accounting advice. Figures and thresholds referred to are current as of June 2026 and subject to change. The 2026–27 Federal Budget introduced significant tax changes including Payday Super (now law from 1 July 2026), CGT reform, and negative gearing changes. These may be relevant to your situation. Speak with a qualified accountant for advice specific to your situation. Acctivate Accountants is a CA-qualified firm based in Fortitude Valley, Brisbane.

Want to improve cash flow of your business?

If your business is growing but cash always feels tight, or if you are not sure whether the issue is timing, pricing, or something structural, Acctivate can work through it with you. We are CA-qualified business accountants based in Brisbane, and cash flow is one of the most common conversations we have with growing SMEs. No jargon, no long report. Just a straight conversation about what is happening and what to do about it.

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