As winter overheads climb, the businesses under the most cash flow pressure are often the ones still waiting on invoices they issued 60 or 90 days ago. A documented approach to chase overdue invoices South Africa businesses can apply consistently turns debtor collection from an awkward, ad-hoc phone call into a routine, professional process.
Profit on paper means nothing if the cash isn't in your account when winter's higher costs land. A business with healthy margins can still face a genuine cash crunch if its debtors' book is bloated with 60-plus-day balances. Tightening collections in the months when overheads are highest is one of the most direct ways to protect your working capital without cutting a single cost.
Set clear payment terms upfront, in writing, on every invoice and every client contract, so there's no ambiguity to hide behind later. Send a friendly reminder a few days before the due date, since a proactive nudge often prevents a payment from becoming overdue in the first place. At 7 days overdue, send a polite follow-up referencing the specific invoice and due date. At 30 days overdue, escalate to a phone call, since a conversation moves faster than another email that may go unread. At 60 days overdue, involve a senior person in the business, whether that's the owner or a finance manager, and consider whether ongoing credit terms with that client are still appropriate.
Debtor chasing doesn't need to damage client relationships if it's handled consistently and professionally from the first reminder. Clients generally respect a business that manages its own cash flow diligently, and a firm but courteous process signals exactly that. What damages relationships is inconsistency: chasing one client aggressively while letting another slide for months, which also exposes you to a fairness complaint if it ever comes to that.
If an account passes 90 days with no payment plan agreed, it's time to consider formal next steps, whether that's a letter of demand, suspending further work for that client, or engaging a collections specialist. The cost of continuing to service a client who isn't paying compounds every month you delay the decision.
Keep the tone professional and consistent, follow a documented escalation timeline, and always reference the specific invoice and agreed terms rather than making it personal.
You can, provided it's stated clearly in your original terms and contract. Retroactively adding interest to an invoice that didn't specify it is not enforceable.
It varies by industry, but most SMEs should aim to keep average debtor days close to their stated payment terms, with anything significantly beyond that signalling a collections problem worth addressing.
A documented debtors chase SOP protects your cash flow precisely when you need it most, without turning collections into an uncomfortable, inconsistent process. Set clear terms, follow a defined escalation path, and act decisively once an account passes 90 days. For more on cash flow management, see our blog, and for support building your collections process, see our services page.
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