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Part of What business credit scores cannot tell you
Why a Business Credit Scores Calculator Falls Short
A business credit scores calculator can't reproduce PAYDEX or bureau models. Track payment timing, reporting coverage, utilization, and account age instead.
A business credit scores calculator cannot reproduce a bureau's score. There is no calculator on this page, and there is not going to be one. That is not a limitation of the page. It is a property of the thing being calculated.
What follows is the honest substitute: the numbers you can work out from your own records, how each one is computed, and what it does and does not tell you.
What to take away
- A business credit score is the output of a private model over a file you can only partly see, so any tool promising to reproduce it is guessing.
- You can measure your own inputs precisely, and those are the only numbers you control anyway.
- Keep your own ledger, then compare it against what each bureau actually reports. The gap between the two is where the useful information is.
Why a calculator cannot work here
Three separate obstacles, each sufficient on its own.
The model is proprietary. Dun & Bradstreet's PAYDEX, Experian's Intelliscore Plus, Equifax's Business Delinquency Score, and FICO's Small Business Scoring Service (FICO SBSS) are distinct business-credit scores or scoring products. Their model designs and weights are not published in a form anyone could implement.
The scales are not shared. PAYDEX, Intelliscore Plus, Equifax Business Delinquency Score, and FICO SBSS reflect different models and are not interchangeable, so there is no single quantity to compute. Business credit scores covers why cross-bureau comparison fails.
The inputs are incomplete by construction. A model reads what furnishers sent in. You cannot see that stream directly, only what a bureau chose to show you afterwards. Reporting is voluntary, so parts of your activity are simply absent.
A calculator would have to invent all three. What it would produce is a number with the shape of a score and no relationship to one.
Four numbers you can actually compute
These come from your own accounting records, not from any bureau. None of them
Four numbers you can compute
- Weighted days beyond termspayment behavior
- Share of accounts reportingfile thickness
- Utilization at reporting daterevolving lines
- Age of reporting accountspatience value
Days beyond terms, weighted. For each invoice, take the date you paid minus the date it was due. A negative result means early. Then weight by invoice value, because a large bill paid late says more than a small one. The weighted average across a period is a fair picture of how you actually pay, and it is usually less flattering than memory.
Share of accounts that report. Count the credit relationships you hold. Count the ones you have confirmed in writing send data to a business bureau. Divide. A low ratio explains a thin file better than any theory about your creditworthiness, and it is fixable by choosing differently next time, as in vendor accounts.
Utilization at the reporting moment. Balance divided by limit, on each revolving line. The trap is timing. The figure that matters is the one standing on the date the creditor reports, which is often the statement date rather than the day you clear the balance. Paying in full every month does not guarantee a low reported figure.
Age of the relationships that report. The date each reporting account opened, the oldest of them, and the average. Time cannot be accelerated, so this number exists to tell you what patience is buying, not to be optimized.
The ledger that holds them
One table, updated when something changes rather than on a schedule.
Ledger columns to maintain
- Account as written on your records
- Reportsconfirmed, not, or unknown
- Which bureaus, from written answer
- Opened date of the relationship
- Terms as written in the agreement
- Reporting date in the cycle
- Liabilitybusiness or personal
The "unknown" rows are the point of the exercise. Each one is a question you have not asked yet, and asking is free. Net-30 accounts covers how the answer tends to differ between suppliers.
Comparing your ledger against the file
Once the ledger exists, pull the business credit reports offered by Dun & Bradstreet, Experian, and Equifax, then set them side by side. Request the D&B business credit report, Experian Business Credit Report, and Equifax business credit report.
Look for three things: accounts you hold that are missing, accounts on the file that you do not recognize, and lines where the detail disagrees with your records.
Dun & Bradstreet, Experian, and Equifax each respond only for their own files. A missing account means the creditor does not report to that bureau. That is information, not an error.
A disagreeing detail is a correction to raise at that bureau through its own business-report dispute channel. Dun & Bradstreet's Data Dispute Center is one named route; Experian and Equifax handle business-file disputes separately through their own business-report channels. A fix at one does not travel. An account you do not recognize is urgent and handled differently from the other two. The Fair Credit Reporting Act (FCRA) governs consumer reports, so do not assume consumer dispute rights automatically apply to a company's business file.
Where to get the real definitions
Dun & Bradstreet publishes information on PAYDEX; Experian on Intelliscore Plus; Equifax on its Business Delinquency Score; and FICO describes FICO SBSS. Read each provider's current description for what the score measures, its scale, and its horizon. These definitions can change, so use current material rather than a summary. Start from credit bureaus for what each holds.
The Consumer Financial Protection Bureau (CFPB) explains consumer credit reports and scores in its credit reports and scores material. The Fair Credit Reporting Act (FCRA) sets rules for consumer reporting; this material concerns the consumer system, not ordinary business files.
AnnualCreditReport.com is the federally authorized source for personal credit reports, and the Federal Trade Commission (FTC) explains how to use it. Those sources cover personal files, not ordinary business credit reports; obtain a company's file from the relevant business bureau.
Common questions
Can I estimate my score from my ledger?
No, and the attempt is worse than useless, because a plausible wrong number feels like knowledge. Use the ledger to decide what to fix, not to predict.
Why does my utilization look wrong compared to my bank balance?
Almost always the reporting date. The figure sent to a bureau is a snapshot, and the snapshot is not taken on the day that suits you.
Is a paid tool better than doing this by hand?
A paid tool may show a bureau file or score faster, depending on the product and bureau. Nav, D&B CreditSignal, and Experian My Business Profile are examples of services for accessing or monitoring business-credit information; they do not turn your ledger into an official bureau score. A simulated estimate is not the bureau's score.
