Late payments remain one of the most persistent threats to South African small business cash flow. Research from Xero’s State of Late Payments found 91% of local SMEs had invoices paid late, with the average overdue invoice settled 18 days past terms, and many businesses waiting 60 to 90 days from invoice date rather than the standard 30. National Treasury data shows the problem runs right up through government too, with tens of thousands of invoices sitting unpaid past 30 days at any given time.
What you can actually control
You can’t control whether a client pays late, but you can remove most of the obstacles that make on-time payment harder than it needs to be. A well-structured invoice, sent promptly with clear terms, meaningfully improves your odds of getting paid closer to schedule.
1. Itemise the invoice clearly
Make sure the customer can see exactly what they’re paying for and how the total was calculated, including any discounts applied. This alone cuts down on the back-and-forth queries that delay payment. Confirm all costs with a customer before they sign a purchase order in the first place.
2. Define payment terms with zero ambiguity
The customer should never be unsure how much they owe, when it’s due, or how to pay it. State your preferred payment method directly on the invoice itself.
3. Invoice the moment the work is done
It sounds obvious, but busy SME owners routinely delay invoicing simply because they’re occupied running the business. Many customers wait for the invoice to arrive before they even start their own payment process, so a delayed invoice directly delays your own cash flow.
4. Automate reminders, and make them specific
With the large majority of South African SME payments made via EFT, cloud accounting and invoicing tools can handle reminders automatically. A good reminder states the payment terms, how to pay, when payment is due, and clearly flags whether the payment is now overdue.
5. Consider incentivising early payment
A modest discount for paying ahead of terms can shift a chronically slow-paying client’s behaviour more effectively than repeated follow-up alone.
Frequently asked questions
Is South Africa’s late-payment problem improving or getting worse?
Recent data points to it worsening, both in the private sector and across government departments, so proactive invoicing habits matter more, not less, right now.
Should I chase a late payment personally, or automate the process?
Automating reminders frees up the time SMEs typically lose chasing invoices manually, while still ensuring the customer receives consistent, specific prompts about what’s owed and when.
Does offering an early-payment discount actually work?
It can meaningfully shift the behaviour of slow-paying clients, particularly when combined with clear terms and prompt, itemised invoicing from the outset.
What’s the single biggest invoicing mistake SMEs make?
Delaying the invoice itself after work is completed. Many customers won’t start their own payment process until they’ve received it, so any delay on your side pushes your payment date back just as far.
Protecting your own cash flow
You can’t force a client to pay on time, but a clear, prompt, well-itemised invoicing process removes most of the excuses for delay that are within your control. In a payment environment this slow, that discipline matters more than ever.
Originally published in October 2019. Updated September 2026 to replace the original 2019 late-payment figures with current 2026 data, which shows the problem has worsened rather than improved. The underlying invoicing practices described remain durable.
