What it means
When a business applies for trade credit, the supplier usually asks for two or three references from existing suppliers plus, sometimes, a bank reference. Each referee is asked how long they have traded with the applicant, what terms and limit they grant, the highest balance the account has reached and whether payments arrive on time.
The answers build a picture of behaviour that no set of published accounts can provide. The obvious weakness is selection.
Applicants choose which referees to nominate, so they naturally choose the ones they pay first, which means references skew favourable. Experienced credit controllers therefore look for references from suppliers of similar size and similar exposure, and treat a reference covering a $2,000 monthly account as almost worthless when assessing a $200,000 limit.
Bank references are more constrained than people expect. Banks typically answer in guarded, standardised phrases about whether the applicant is considered good for the amount stated, and they will not disclose balances or facility details.
A neutral or heavily qualified bank reference is often a signal in itself. Timing information matters more than sentiment.
A reference saying a customer pays "in about 45 days" on 30-day terms tells you the real terms are 45 days, whatever the contract says, and that your cash forecast should assume the same. Days beyond terms, taken across several references and weighted by the size of the exposure, is the single most useful number to extract.
References age quickly. A reference gathered eighteen months ago describes a business that may since have lost a major customer, changed ownership or stretched its own suppliers, so most credit policies require fresh references for material limit increases rather than relying on the file.
In practice
Real-world examples.
Example
A packaging supplier receives glowing references for a new customer but notices all three referees sell it under $5,000 a month. It grants an opening limit of $10,000 with a review after three months rather than the $75,000 requested, deliberately building its own reference history first.
Example
A commercial landlord asks a prospective tenant's existing landlord for a reference and learns that rent has been paid quarterly in arrears rather than in advance. The lease is granted with a six-month rent deposit to reflect the pattern.
Example
A logistics firm gives a reference for a customer it likes but states plainly that the account has run at 60 days against 30-day terms. The requesting supplier still opens the account, but prices in the delay and sets its own limit accordingly.
Formula
Calculation
There is no formal equation, but the practical measure taken from trade references is exposure-weighted average payment days = sum of (each referee's exposure x that referee's reported payment days) / total exposure across referees. Days beyond terms = weighted average payment days - contractual terms.
A building supplies merchant assesses an applicant using three trade references. Referee A trades $80,000 a year and reports payment at 38 days; Referee B trades $120,000 and reports 45 days; Referee C trades $200,000 and reports 52 days. All three sell on 30-day terms.
The weighted numerator is ($80,000 x 38) + ($120,000 x 45) + ($200,000 x 52) = $3,040,000 + $5,400,000 + $10,400,000 = $18,840,000. Total exposure across referees is $80,000 + $120,000 + $200,000 = $400,000.
Weighted average payment days = $18,840,000 / $400,000 = 47.1 days, so days beyond terms is 47.1 - 30 = 17.1 days. The pattern is telling: the applicant pays its smallest supplier fastest and its largest supplier slowest, which suggests cash is being managed tightly. The merchant grants credit but sets the limit at $60,000 rather than the $100,000 requested, and forecasts collection at 47 days rather than 30.Case study
Seen in the real world.
Vale Hardware is a fictional trade counter chain used here as an illustrative example. Its credit policy required two trade references for any limit above $25,000, and for years those references were filed and forgotten once the account opened.
A review of write-offs, in this illustrative scenario, showed that seven of the nine accounts that had gone bad in three years had shown days beyond terms above 15 in their original references. The information had been collected and then ignored, because nobody was converting the free-text replies into a number.
Vale rebuilt the process so that every reference response was scored into payment days and exposure size, producing a single weighted figure per applicant. Applicants above 15 days beyond terms were still accepted, but at half the requested limit and with a three-month review. The fictional chain reported that new-account write-offs fell noticeably over the following two years, mostly because early limits were smaller when the warning signs were there.
Watch out
Common mistakes.
- Accepting references without checking the referee is a genuine, comparable supplier. Applicants sometimes nominate connected parties or tiny accounts, neither of which tells you anything about behaviour at the limit you are considering.
- Reading a reference for tone rather than facts. Words like "satisfactory" mean little; the useful content is the trading period, the limit granted, the highest balance and the actual payment days.
- Relying on a reference taken at account opening for years afterwards. Payment behaviour changes with circumstances, so material limit increases should be supported by fresh information.
Questions
People also ask.
How many trade references should be requested?
Two or three is standard, but they should collectively cover exposure of a similar order to the limit being considered, otherwise they prove very little.
Are bank references still useful?
They are of limited value because banks answer in guarded standard phrases and will not disclose balances, though a qualified or refused reference is still worth noting.
Should a business provide references about its own customers?
Many do, as a matter of trade courtesy, but replies should be factual and confined to observable payment behaviour rather than opinions about solvency.
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