Customers almost never go from healthy to insolvent overnight. The signs usually show up weeks or months earlier, in how they pay, how they talk to you, and what appears in public records. If you know what to look for, you can reduce your exposure while there is still time to collect.
Changes in payment behavior
Your own ledger is the earliest and most reliable warning system you have. You see how a customer pays before any credit report does.
Stretching terms
A customer who always paid in 30 days and now pays in 45, then 55, is telling you something. Watch for a steady drift rather than one late payment. Compare each customer’s average days to pay this quarter with the last two quarters, and flag anyone whose payments are getting slower month after month.
Part payments
Paying some invoices but not others, or paying half an invoice without explanation, often means the customer is rationing cash. They are paying the suppliers they cannot do without and holding back on the rest.
Round-sum payments on account
A payment of exactly $5,000 or £5,000 that does not match any invoice is a classic sign of cash pressure. The customer is paying what they can afford, not what they owe. One round-sum payment can be a convenience. A pattern of them is a warning.
New disputes on old invoices
Be alert when a customer who never raised queries suddenly disputes invoices that are already overdue, especially when the complaints are vague. Genuine disputes happen, and you should investigate every one. But disputes raised late, about invoices previously accepted, can be a way of buying time.
Changes in communication
How a customer talks to you often shifts before their payments do.
- Contacts leave. The finance manager or accounts payable lead you have dealt with for years moves on, and the replacement is hard to reach. Turnover in the finance team can point to deeper trouble.
- Slower replies. Emails that used to get an answer the same day now take a week, or get no answer at all. Calls go to voicemail.
- Requests to change terms. A customer asks to move from 30 to 60 day terms, or asks for a payment plan on balances that are not yet seriously overdue. Treat any request for more time as a credit decision, not an admin change.
- Shifting promises. Payment dates are given, missed and replaced with new dates. Each broken promise matters more than the last.
External signals
Public information confirms what your ledger suggests, and sometimes reveals problems you cannot see yourself.
Late filed accounts
Limited companies in the UK and many other jurisdictions must file annual accounts with the official companies register by a set deadline. A company that files late, or repeatedly, may be struggling to get its finances in order. Where accounts are available, look at the trend in net assets, cash and creditor balances.
Court judgments and liens
In the UK, a county court judgment (CCJ) is a court order to pay a debt, and it appears on the public register and on credit reports. In the US and Canada, look for judgments and liens filed against the business, such as tax liens or liens registered by other creditors. Any of these means at least one other creditor has had to take formal action to get paid.
Rules on what is recorded, where, and for how long vary by country, state and province. Check the details with a qualified adviser for your jurisdiction.
Negative press and industry talk
Local news, trade publications and conversations with other suppliers can all carry warnings: lost contracts, site closures, a major customer of theirs going under. Treat industry talk with care, since it can be wrong, but use it as a prompt to look more closely.
Staff layoffs
Redundancies or layoffs, a sudden hiring freeze, or a run of senior people leaving can all signal cost cutting under pressure. So can a sales team pushing unusually hard for big orders on extended terms.
A credit reference agency (UK) or credit bureau (US and Canada) can alert you to many of these changes automatically if you set up monitoring on your larger accounts. Our guide on how to evaluate customer creditworthiness covers the checks to run when you first open an account.
What to do when you see the signs
One warning sign is a reason to look closer. Two or three together are a reason to act. Move through these steps in order, and go further as the risk grows.
1. Review the credit limit
Pull a fresh credit report and look at the account’s current exposure: what is owed plus what is on order. Lower the limit if the risk has risen. If you set limits using a clear method, as described in how to set credit limits for new customers, apply the same method again with the new information.
2. Shorten terms
Moving from 60 days to 30, or to payment before dispatch for new orders, reduces how much you can lose. Explain the change calmly and in writing. Most customers in genuine difficulty will accept it if the alternative is losing supply.
3. Secure guarantees or security
For larger accounts, ask for a personal guarantee from a director or owner, a parent company guarantee, a deposit, or a letter of credit. Make sure your terms include retention of title (UK) or that you understand your options for a security interest (US and Canada). Get advice before relying on any of these.
4. Stop supply
If payments stop altogether, or the customer cannot give you a credible plan, put the account on hold. Continuing to supply a customer that cannot pay only increases your loss. Tell the customer clearly what needs to happen for supply to restart.
Throughout all of this, keep talking. A direct conversation with the owner or finance director often tells you more in ten minutes than a month of emails. Ask what is happening, what their plan is, and when you can expect payment. Record what they say and follow up in writing. Spotting trouble early also shows up on your aged debt report as balances rolling into older buckets.
A quick watch-list checklist
Review your largest accounts monthly against this list:
- Average days to pay has slowed for two months or more.
- Part payments or round-sum payments on account.
- New or vague disputes on overdue invoices.
- Key finance contacts have left or stopped responding.
- Requests for longer terms or payment plans.
- Late filed accounts, judgments or liens.
- Negative press, layoffs or closures.
Three or more ticks means the account goes on a formal watch list with a named owner and weekly review.
Key takeaways
- Your own payment data is the earliest warning you have, so watch trends, not single late payments.
- Communication changes, like contacts leaving or slower replies, often come before payment problems.
- Public records such as late filed accounts, CCJs in the UK and liens or judgments in the US and Canada confirm the risk.
- Act in steps: review the limit, shorten terms, secure guarantees, and stop supply if needed.
- Keep talking to the customer, and put every agreement in writing.
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