Dun & Bradstreet vs Experian: Which File to Build First (2026)

Quick Answer

When small business owners ask which business credit score lenders actually look at, the answer depends on the type of financing you seek. Institutional bank lenders and U.S. Small Business Administration (SBA) loan programs evaluate the FICO Small Business Scoring Service (SBSS) score, an aggregated score that pulls data from personal credit bureaus alongside commercial credit files from Experian, Dun & Bradstreet, and Equifax. For direct credit cards, corporate lines, and supplier net-30 terms, commercial creditors look directly at Experian Intelliscore Plus or Dun & Bradstreet Paydex.

Experian Business is almost always the credit file that builds first because Experian automatically creates a profile when public secretary of state filings, commercial bank accounts, or reporting corporate cards register under your Employer Identification Number (EIN). Dun & Bradstreet requires manual registration for a D-U-N-S number and active reporting trade lines before publishing a Paydex score. Establishing your formal entity structure and securing an EIN are the necessary foundation steps before either bureau can build a distinct corporate credit file.

Which Business Credit Score Do Lenders Actually Look At?

Understanding which commercial score a lender reviews begins with identifying the category of funding you are requesting. Small business financing falls primarily into three underwriting buckets: SBA-backed bank loans, traditional commercial term loans, and direct trade credit or corporate card lines.

For SBA term loans, including the flagship SBA 7(a) loan program, underwriting relies heavily on the FICO Small Business Scoring Service (SBSS). Rather than functioning as an independent credit bureau, FICO SBSS acts as an aggregator model. It pulls data from consumer credit reports across Experian, TransUnion, and Equifax, combines that data with commercial bureau records from Experian Business, Dun & Bradstreet, and Equifax Commercial, and factors in financial application data such as business revenue and assets. Most bank lenders require a baseline SBSS score to pre-screen applications before moving forward with full manual underwriting.

For direct trade credit, vendor net-30 accounts, equipment leases, and corporate credit cards, creditors review bureau-specific commercial scores directly. The two primary commercial scores in this category are Experian Intelliscore Plus and the Dun & Bradstreet Paydex score.

Experian describes Intelliscore Plus as a score where higher values indicate lower risk of payment default. Experian calculates this figure by analyzing public filings, payment trends across trade accounts, credit utilization ratios, and company demographic data.

Dun & Bradstreet Paydex focuses strictly on dollar-weighted payment promptness, and Dun & Bradstreet describes higher scores as reflecting earlier payment against agreed invoice terms.

Because Experian ingests public data and financial credit account activity automatically, an Experian Business credit report is usually the first commercial file to populate. For small business owners seeking fast credit lines or initial vendor terms, Experian provides the earliest footprint. However, if your long-term goal includes institutional bank loans, major corporate trade accounts, or enterprise supplier terms, both Experian and Dun & Bradstreet files must be built deliberately.

Understanding Dun & Bradstreet: The Paydex System

Dun & Bradstreet (D&B) is one of the oldest commercial credit agencies in the United States. Unlike consumer credit reporting agencies, which track individuals using Social Security numbers, Dun & Bradstreet tracks commercial entities using its proprietary Data Universal Numbering System, known as a D-U-N-S number.

A D-U-N-S number is a unique nine-digit identification code assigned to a specific business entity location. To obtain a D-U-N-S number, a business owner must submit an application directly to Dun & Bradstreet.

A common misconception among business owners involves federal government contracting. Historically, federal agencies required a D-U-N-S number to bid on federal contracts or receive government grants. On Monday, April 4, 2022, SAM.gov and all other General Services Administration (GSA) systems officially switched from the D-U-N-S number to the Unique Entity ID (SAM). The Unique Entity ID is assigned directly through SAM.gov. While a D-U-N-S number remains Dun & Bradstreet's proprietary commercial identifier and is vital for commercial trade credit, it is no longer the federal identifier for government procurement.

To generate a Dun & Bradstreet Paydex score, a business profile must meet specific data requirements. D&B requires trade lines reported by vendors or suppliers, along with payment details attached to those trade lines. If you have a D-U-N-S number but too few reporting trade references, Dun & Bradstreet will display a blank or unrated Paydex score.

D&B Paydex scores are weighted heavily by dollar amounts. A late payment on a $50,000 supply invoice reduces a Paydex score significantly more than a late payment on a $100 office supply invoice. Maintaining early or on-time payment records across all reporting vendor accounts is the primary mechanism for establishing a strong Paydex score.

Understanding Experian Business: The Intelliscore Plus System

Experian Business functions as an automated commercial credit tracking service. Unlike Dun & Bradstreet, Experian does not require you to apply for a proprietary identifier code before a credit file can be opened. Experian links corporate data directly to your official company name, business address, and Employer Identification Number (EIN).

Experian builds commercial files through continuous automated data collection. When you register a new business entity with a secretary of state office, open a commercial bank account, or acquire a business credit card, that public and institutional activity triggers Experian to create a commercial credit profile.

Experian's primary credit evaluation metric is Intelliscore Plus. Experian groups Intelliscore Plus scores into risk tiers and publishes the tier ranges itself.

In addition to Intelliscore Plus, Experian issues a Financial Stability Risk score, which evaluates the likelihood of a business experiencing financial distress or bankruptcy. Experian collects data from public record repositories, court records, Uniform Commercial Code (UCC) filings, trade credit payment performance, and commercial card issuers.

Because Experian integrates data from public corporate filings and financial credit card reporting automatically, your business may already have an Experian profile even if you have never actively applied for one.

Dun & Bradstreet vs Experian: Which File Should You Build First?

When deciding where to focus your initial credit-building efforts, comparing how each bureau populates reveals a clear operational sequence.

Experian Business naturally populates first for most new companies. When you establish an LLC or corporation, request an EIN, and open a business checking account or business credit card, card issuers and public record databases feed that information to Experian. As a result, an Experian profile is typically generated without manual intervention.

Dun & Bradstreet requires deliberate setup steps. You must manually request a D-U-N-S number through D&B's platform. Once assigned, your D-U-N-S profile remains inactive or unrated until enough trade vendors report payment history connected to your D-U-N-S number.

The recommended building sequence follows a parallel path:

1. Form your legal entity and secure your EIN, which allows Experian to index your company.
2. Request a D-U-N-S number from Dun & Bradstreet to prepare your D&B profile.
3. Open starter trade credit accounts (such as net-30 vendor accounts or commercial store cards) that report payment activity to both Experian and Dun & Bradstreet.
4. Maintain prompt invoice payments to establish an Experian Intelliscore Plus rating and build the reporting trade lines a D&B Paydex score needs.

By targeting vendor accounts that report to both commercial bureaus simultaneously, you avoid choosing between the two and ensure that both credit files build side by side.

The SBA Blueprint for Building Business Credit

The U.S. Small Business Administration provides an official five-step framework for business owners starting from scratch. Following this sequence ensures that your corporate foundation is legal, distinct, and ready for commercial credit reporting.

The SBA's five steps to build business credit in order are:

1. Choose the Right Business Structure. "To make your business a distinct legal entity requires that you select a business structure such as an LLC, LLP or corporation," notes the SBA. Establishing a legal business entity creates the legal shield required to separate personal liability from company debts. "To keep your business and personal finances separate, the first step is to start building credit in your company's name," the SBA emphasizes.
2. Obtain a Federal Tax ID Number (EIN). An EIN is required to open business accounts, establish credit files, and file corporate tax returns. The SBA notes that "you can apply for ... for free using the IRS assistance tool." An EIN is completely free from the IRS, and owners should never pay a third party fee to obtain one.
3. Open a Business Bank Account. A dedicated commercial checking account keeps personal and business funds completely separated, creating a documented banking history that commercial lenders evaluate during credit applications. Using specialized formation and entity maintenance services such as ZenBusiness accounting can assist owners in managing state recordkeeping and keeping corporate finances structured upstream of credit applications.
4. Establish Credit with Vendors and Suppliers Who Report. Begin working with trade vendors, suppliers, and card issuers that actively submit monthly payment data to commercial bureaus like Experian and Dun & Bradstreet.
5. Monitor Your Business Credit Reports. Regularly inspect your commercial reports to verify that trade lines are reporting accurately, payment dates are recorded correctly, and public records remain error-free.

Protecting Your Business from Credit Scams and Fraudulent Lenders

As small business owners build corporate credit profiles, they frequently encounter advertisements offering fast funding, guaranteed loans, or instant credit score boosts. The Federal Trade Commission (FTC) warns business owners to remain vigilant against advance-fee loan scams and fraudulent funders.

Legitimate financial institutions and commercial creditors operate under clear regulatory standards. "Banks and other legitimate lenders won't promise or guarantee you a loan or credit before you apply," the FTC states.

A major indicator of a fraudulent lending scheme is a demand for money before credit is extended. "Any up-front fee that the lender wants to collect before granting the loan is a cue to walk away, especially if you're told it's for 'insurance,' 'processing,' or just 'paperwork,'" warns the FTC.

Scam advertisements often rely on aggressive, high-pressure promises. Business owners should immediately walk away from lenders using phrases such as:

• "Bad credit? No problem"
• "No hassle, guaranteed"
• "We don't care about your past. You deserve a loan!"

Legitimate business credit building requires establishing verified corporate trade lines, making consistent on-time payments, and building verifiable revenue over time. There are no shortcuts or paid fees that bypass official bureau reporting requirements.

Business Credit and Management Tools Comparison

Selecting the right tools to build, manage, and monitor business credit depends on your operational needs. The tools and credit service providers below are listed in alphabetical order rather than as a ranking.

• American Express provides commercial charge cards and small business credit cards that report account activity under a business EIN. Annual fees vary by specific card product, so no single price figure applies across all options (as of October 6, 2026).
• Chase offers small business deposit accounts and business credit card solutions. As of October 6, 2026, checking account options include Chase Business Complete Banking at $15/mo, Performance Business Checking at $40/mo, and Platinum Business Checking at $95/mo, with monthly service fees waivable based on meeting specified balance or transaction requirements.
• Dun & Bradstreet manages commercial credit files, assigns D-U-N-S numbers, and calculates Paydex scores. As of October 6, 2026, commercial monitoring plans under D&B Credit Insights include D&B Credit Insights Free ($0), Basic ($49/mo or $499/yr), Plus ($149/mo or $1,499/yr), and Premium ($199/mo or $1,999/yr).
• Experian tracks commercial payment activity and issues Intelliscore Plus reports. As of October 6, 2026, individual reports include the CreditScore Report ($59.95 one-off) and ProfilePlus Report ($69.95 one-off), while subscription options include Business Credit Advantage ($199/yr), and Business CreditScore Pro ($1,995/yr).
• Nav aggregates small business credit information across major bureaus and matches companies with financing products. As of October 6, 2026, Nav offers a Free tier ($0) that displays business credit summaries across all three bureaus, alongside paid plans including Track ($39.99/mo), Build ($49.99/mo), and Expand ($74.99/mo).
• Ramp provides corporate cards and expense management software for modern businesses. As of October 6, 2026, platform tiers include Free, Plus ($15 per user/mo), and Enterprise pricing available by quote. The corporate card itself is provided free across all tiers.
• ZenBusiness provides legal entity formation and registered agent services to help small business owners complete the foundational steps of establishing an LLC or corporation. Starter formation plans begin at $0 plus required state filing fees, and the EIN is included from the Pro plan up ($99 on Starter), helping business owners establish their legal entity structure before applying for commercial credit lines.

Tool Pricing Comparison

Sources

• Federal Trade Commission, "Fraudulent Funders = Big Woes for Small Businesses"
• Federal Trade Commission, "What To Know About Advance-Fee Loans"
• Internal Revenue Service, "Get an Employer Identification Number"
• Internal Revenue Service, "Publication 583, Starting a Business and Keeping Records"
• U.S. Department of Labor, "Fact Sheet #21: Recordkeeping Requirements under the Fair Labor Standards Act (FLSA)"
• U.S. General Services Administration, "GSA Systems Switch to Unique Entity ID (SAM) on April 4, 2022"
• U.S. Small Business Administration, "How to Build Business Credit Quickly: 5 Simple Steps"
• U.S. Small Business Administration, "7(a) Loans"

This article provides general information only and does not constitute legal, tax, or accounting advice; specific requirements vary by location and situation and are subject to change.