Business Credit Guide · Scoring
PAYDEX 80 — the business credit score lenders check before they ever look at your FICO.
Most business owners don't know their PAYDEX score exists. The lenders they're applying to do. Here's how the entire business credit scoring system works — and exactly how to build the numbers that actually get you approved.
When you apply for a business loan, lenders aren't just pulling your personal FICO. They're running your EIN through a completely separate credit system — one most entrepreneurs have never heard of. Three bureaus. Three different scoring models. And a combined score that can quietly kill your application before a human ever reviews it.
Understanding this system isn't optional. It's the difference between a funded business and a pile of rejection letters.
The three scoring models you need to know.
D&B PAYDEX
1–100
Dun & Bradstreet
Pure payment behavior. Did you pay on time, early, or late? Nothing else.
Intelliscore Plus
1–100
Experian Business
Payment history + business age + industry risk + financial stress indicators.
FICO SBSS
0–300
Blended Score
Combines personal FICO + D&B + Experian Business into one SBA gateway score.
PAYDEX — the score that runs everything.
What Is PAYDEX?
The Dun & Bradstreet PAYDEX score measures how quickly your business pays its bills. It runs on a 1–100 scale and is calculated entirely from payment experiences reported by your vendors. Unlike your personal FICO, it does not factor in utilization, account age, or inquiries. It is solely: did you pay, and when?
What every score level actually means.
Severely late payments — 30 to 120+ days past due
This range signals a business that doesn't pay its bills. No legitimate lender will approve business financing with a PAYDEX in this range. Vendor accounts will be denied or require cash up front.
Slow-pay range — late but paying eventually
This range tells lenders your business pays its bills, but slowly. Some vendors will extend terms. Most institutional lenders will not. This is the "we'll review it further" range — meaning they'll look at everything else twice as hard.
Payments made exactly on the due date — the standard target
A PAYDEX of 80 is the baseline target. It means your business consistently pays invoices on their due date. This is considered a strong score and is the minimum you should be working toward before approaching lenders.
Payments made ahead of the due date — the elite range
Scores above 80 reflect early payment. A 90 means you typically pay 15 days early. A 100 means you're paying 30+ days ahead of terms. This range signals exceptional financial management and opens doors to net 60 and net 90 terms with major vendors.
How to build your PAYDEX from zero.
Your business doesn't have a PAYDEX score until vendors report payment experiences to Dun & Bradstreet. A DUNS number is not enough. You need tradelines — vendors who extend credit to your business and report how you pay them.
"The most common mistake: business owners get their EIN, open a DUNS number, and then wonder why they can't get approved anywhere. You don't have a score — you have an empty file. An empty file is not the same as a clean file."
-
1
Get your DUNS number — for free.
Go directly to Dun & Bradstreet and register for a DUNS number. It's free. Skip any paid "expedited" services — you don't need them. Your DUNS number is your business's credit identity with D&B. Every vendor who reports payment experiences with your company will attach them to this number.
→ dnb.com/duns-number.html
-
2
Open 3–5 net 30 vendor accounts that report to D&B.
Not every vendor reports. You need ones that specifically report payment data to D&B and/or Experian Business. Quill, Uline, Grainger, and Crown Office Supplies are widely recognized vendors that report. Open accounts with each, make small purchases, and pay early — 10 to 15 days before the invoice due date to maximize your score.
→ Target 5 reporting tradelines as your first milestone
-
3
Pay invoices early — not just on time.
An 80 is the target, but the scoring math rewards early payment. If you pay net 30 invoices on day 15, you'll build toward 85–90 range faster. The goal is a PAYDEX in the 80s before you apply for any significant financing. Three to six months of on-time or early payments can get a new file there if you start right.
→ Paying early = higher PAYDEX = better terms from vendors AND lenders
-
4
Monitor your D&B report — errors happen.
D&B allows business owners to access and dispute their credit file. Check it regularly. Misreported payment dates, wrong vendor account statuses, or data linked to the wrong DUNS number are all common issues — and all correctable if you catch them early. One vendor reporting you as 30 days late when you paid on time can knock your PAYDEX 15 points.
→ Check your D&B file at least quarterly
The FICO SBSS — where personal and business credit merge.
The FICO Small Business Scoring Service (SBSS) runs on a 0–300 scale. It takes your personal credit score, your D&B file, your Experian Business file, and your Equifax Business data — and blends all of it into one number that SBA lenders were previously required to screen against.
As of March 1, 2026, the SBA dropped the mandatory SBSS requirement for 7(a) loans under $350,000. But most lenders will still run it. A score near 160–165 is where you want to be.
The SBSS is why your personal credit still matters for business funding. A perfect PAYDEX with a 580 personal FICO is still going to struggle at institutional lenders. Both sides of the file need to be clean.
Your 90-day build timeline.
Week 1–2
Foundation setup. Get DUNS number. Verify LLC is active with state. Open dedicated business checking account. Make sure personal FICO is being worked on simultaneously.
Week 3–4
First vendor accounts. Apply to 3 net 30 vendors that report to D&B. Make small purchases. Pay immediately if cash allows — or calendar the early payment date.
Days 30–60
First reporting cycle. Vendors typically report once per month. Your first PAYDEX score will appear 30–45 days after your first payment is processed and reported. Check your D&B file to verify the data landed correctly.
Days 60–90
Expand and reinforce. Add 2 more vendor accounts. Verify all 5 are reporting. Continue early payment on all accounts. Your PAYDEX should be building toward 80+ by day 90 with clean, early payment history across all tradelines.
Day 90+
Approach lenders. With a PAYDEX of 80+, 5 vendor tradelines, a dedicated business account with 90 days of history, and your personal FICO cleaned up — you now have a fundable business profile. Apply for business credit cards and then institutional financing.
Stay locked in — Za | NMD ZAZA 🐐