When the major banks are downgraded, the stated reason is usually not that the banks are badly run. It is that they hold large amounts of government debt and operate in a weakening economy, so the state’s reduced capacity to support them in a crisis flows directly into their own ratings. What changes for a borrower is the price and the appetite.
Ratings agencies typically cite a pronounced economic slowdown, weaker investor confidence, asset price volatility and higher funding costs, and warn that these will pressure bank earnings and the quality of their loan books.
Higher funding costs reach borrowers as tighter terms
A downgraded bank pays more to borrow, and it recovers that through pricing and through lending less to riskier borrowers. Small businesses sit at the riskier end of most banks’ books, which means the effect is felt as declined applications and shorter facilities as much as through higher rates.
Asset quality pressure makes banks more cautious about arrears
When agencies flag concern about loan book quality, banks respond by managing arrears more aggressively. A business that has previously had flexibility on a late payment may find that flexibility gone. Talking to the bank before missing a payment matters considerably more in this environment than in a benign one.
Being one notch above investment grade is a threshold, not a label
Many institutional investors are restricted to investment-grade assets. A rating sitting just above that line means a further downgrade would force some holders to sell, which is why the outlook attached to a rating matters as much as the rating itself. A negative outlook is a warning about the next twelve to eighteen months.
Growth forecasts below government targets are the underlying cause
Agencies reference expected growth well below what government plans for, because that gap determines debt sustainability. An owner watching this should treat persistent shortfalls against target as the leading signal, since the rating action follows it rather than the reverse.
Diversify your banking before you need to
A business with one banking relationship has no options when that bank tightens. A second account, a facility with a non-bank lender, or an invoice finance arrangement established while things are calm costs little and preserves choice. Rate decisions and the conditions behind them are published by the South African Reserve Bank.
Frequently asked questions
Why are banks downgraded when the country is?
Because they hold substantial government debt and operate in the same economy, so the state’s reduced capacity to support them flows into their ratings.
How does a bank downgrade reach a small borrower?
Through higher pricing and reduced appetite, which shows up as declined applications and shorter facilities as often as higher rates.
Does it change how arrears are handled?
Yes. Pressure on loan book quality makes banks manage arrears more aggressively, so previously available flexibility may disappear.
Why does a negative outlook matter?
It signals a likely further downgrade, and near the investment-grade threshold that can force some investors to sell, which tightens conditions further.
What should a business do in advance?
Establish a second banking relationship or an alternative facility while conditions are calm, since a single relationship leaves no options when it tightens.
Further reading
Originally published in June 2017. Updated September 2026 to explain what a bank downgrade changes for borrowers, using the lead story from the original roundup.
