Credit Score Requirements for a Business Line of Credit: What Each Lender Actually Needs

The gap between a 659 and a 660 FICO score is one point. The gap in what those scores unlock in business credit markets is a completely different product tier, a materially different interest rate, and in some cases, the difference between approval and decline. Each 20-point improvement in personal FICO typically reduces your LOC interest rate by 1–2 percentage points — and on a $250,000 facility, that compounds into tens of thousands of dollars over the life of the credit relationship.

This guide breaks down the exact credit score thresholds lenders use — personal and business — by institution type, with the rate ranges tied to each tier. For the full requirements picture beyond credit scores, see our business LOC requirements guide.

The Two Credit Scores That Matter

Business LOC underwriting pulls two distinct credit profiles: your personal FICO score and your business credit score. They serve different purposes in the underwriting model and carry different weights depending on your business age and size.

Personal FICO (ranging 300–850) measures your individual credit history — payment behavior, utilization, age of accounts, and inquiry activity. It's the primary gate at most lenders, especially for businesses under 5 years old. Business credit scores are maintained separately by Dun & Bradstreet (Paydex, 0–100), Experian Business (Intelliscore Plus, 0–100), and Equifax Business (Business Credit Risk Score, 101–992). Each bureau has its own scoring model and data sources.

For young businesses, personal credit dominates. For businesses with 3+ years of established trade payment history, the business credit profile can meaningfully supplement — and sometimes partially substitute for — a weaker personal score. The most competitive LOC offers go to borrowers who have optimized both.

Personal Credit Score Minimums by Lender Type

The threshold structure in business LOC lending is tiered — each band unlocks a different product set, not just a different rate. Understanding which tier you're in prevents wasted applications and hard inquiries.

580–619: Alternative Lenders Only

At this score range, traditional bank LOCs, credit unions, and SBA products are effectively inaccessible. Options are limited to high-rate alternative lenders, merchant cash advance products, and secured credit products backed by significant collateral. Rates at this tier typically run 35–60%+ on an APR equivalent basis. The priority here is credit repair, not capital acquisition.

620–659: Limited Online Options

Some fintech platforms and online lenders accept applicants in this range, particularly if revenue and cash flow are strong. Product limits tend to cap at $50,000–$75,000. Rates run 25–40%+ APR. A personal guarantee is universal. Secured products (backed by cash or real estate) become more accessible at the top of this range.

660–699: Most Online Lenders, Some Credit Unions

This range opens access to most online LOC platforms and the lower tier of credit union products. Rates improve to 18–30% APR at online lenders. Credit unions with strong member relationships may approve at 660–680 with additional compensating factors (deposit relationship, strong DSCR). The 680 mark is the single most important threshold in business LOC lending — it's the floor for bank-category products.

700–719: Credit Unions and Community Banks

At 700+, community bank and credit union LOC products become accessible. Rates drop meaningfully to 12–20% APR. Credit limits expand. SBA Express products (faster SBA approval) become available at the top of this range. This tier represents a significant quality improvement in both rate and product structure over the online lender tier below it.

720+: Major Bank LOCs and Best Rates

720 is the preferred floor for major regional and national bank LOC programs. At 720+, you access the full product menu — the lowest rates (7–15% APR), the highest credit limits, and the most favorable covenant structures. SBA 7(a) programs offer their best pricing to borrowers in this range. Every point above 720 continues to improve rate offers modestly; the biggest step-change happens at the 720 threshold itself.

Business Credit Score Minimums by Bureau

Business credit scores operate on different scales than personal FICO and are maintained by different bureaus. Understanding which score your target lender checks — and what threshold they use — is as important as knowing your personal score.

Dun & Bradstreet Paydex

The Paydex score ranges from 0–100 and measures the timeliness of business-to-business payments. A score of 80 means payments are made exactly on time. Above 80 indicates early payment, which some lenders treat as a positive signal. Lenders looking at Paydex scores typically want 70+ as a minimum; 80+ for preferred pricing. Scores below 60 indicate regular late payment and will suppress approval odds significantly.

Experian Business Intelliscore Plus

Experian's Intelliscore Plus ranges from 0–100, with higher scores indicating lower risk. Scores of 76–100 are classified as low risk. 51–75 represents medium-low risk — most lenders accept this range. Below 50, approval odds at bank-tier products decline sharply. Experian also maintains a separate FEIN-based commercial credit report that some lenders pull alongside the Intelliscore.

Equifax Business Credit Risk Score

Equifax uses a 101–992 scale for their Business Credit Risk Score. Scores above 556 are generally considered acceptable risk by most commercial lenders. Fewer lenders rely primarily on Equifax for business credit than on D&B or Experian, but it's checked by larger national banks as part of a comprehensive pull.

How Your Score Affects the Rate You Get

The rate differential between credit score tiers is one of the most financially significant but least understood aspects of business credit. Most borrowers focus on getting approved — fewer calculate the total cost difference between approval at 660 versus 720.

On a $250,000 revolving LOC used at 70% average utilization over 3 years: a 22% APR (660-tier) versus a 10% APR (720-tier) produces an interest cost difference of approximately $46,200. That's not a marginal improvement — it's a structural cost reduction that persists for the life of the credit relationship and compounds if the facility is renewed.

Each 20-point FICO improvement typically reduces APR by 1–2 percentage points on bank-category products. The improvements are non-linear — the biggest rate improvement comes from crossing key thresholds (620→660, 660→680, 680→720) rather than from incremental gains within a band. This is why targeted credit improvement toward a specific threshold is more valuable than diffuse improvement across all factors.

Improving Your Score Before Applying: What Actually Moves the Needle

Credit improvement strategies vary dramatically in speed and magnitude. The hierarchy below reflects realistic timelines and impact — not theoretical maximums.

30 Days or Less: High Impact

• Pay down revolving balances to under 20% utilization. This is the single fastest lever. Balances report to bureaus monthly; a paydown made before your statement closing date improves your score within 30 days. Moving from 60% to 20% utilization can add 30–60 points.
• Become an authorized user on an established account. If a family member or trusted partner has a long-standing credit card with low utilization, being added as an authorized user brings their positive history onto your report. Effect appears within 30–60 days of the account reporting.

30–90 Days: Moderate Impact

• Dispute credit errors. FTC research indicates 34% of credit reports contain at least one material error. Successful disputes remove artificial score suppressants. Each bureau has a 30-day resolution requirement. Start disputes 60–90 days before your target application date. Our credit profile improvement guide covers the dispute process step by step.
• Don't close old accounts. Account age contributes to 15% of your FICO score. Closing a 10-year-old card with no annual fee is rarely worth the score reduction. Leave old accounts open and charge a small recurring expense monthly to keep them active.

6+ Months: Structural Improvement

• Avoid new hard inquiries for 6 months before applying. Each hard pull costs 5–10 points and signals credit-seeking behavior to underwriting algorithms. Space applications strategically — don't apply for a car loan, personal card, and business LOC in the same quarter.
• Build business credit systematically. Open Net-30 trade accounts, pay on time or early, and register your DUNS number. A Paydex score of 80+ takes 3–6 months to establish but strengthens your business credit profile significantly for lenders who check both scores. For a complete business credit building plan, see our guide to building business credit.

When a Low Score Doesn't Disqualify You

Credit score minimums are the standard threshold — but commercial underwriting is not purely algorithmic. Several situations exist where a lower-than-required score can be compensated by other factors, particularly at online lenders and credit unions with more flexible underwriting models.

Strong Cash Flow as a Compensating Factor

A business generating $75,000+ in monthly revenue with 3+ months of consistent positive cash flow presents a materially different risk profile than the score alone suggests. Several fintech lenders — Bluevine, Fundbox, and similar platforms — weight bank statement cash flow analysis more heavily than personal credit scores. At these lenders, a 650 FICO with strong cash flow can outperform a 700 FICO with inconsistent deposits.

Collateral-Backed Products

Secured LOCs — those backed by collateral such as real estate equity, a savings account, or equipment — have more flexible credit score requirements across all lender types. The collateral reduces lender risk enough to accept a weaker personal credit profile. A 640 FICO with a $150,000 CD pledged as collateral can qualify for a $100,000 secured LOC at a bank that would otherwise require 680+ for an unsecured product.

Exceptional Business Credit Profile

A Paydex score of 90+ combined with 5+ years of established D&B payment history can partially offset a personal FICO in the 650–670 range at some community banks and credit unions. This compensation effect is most pronounced when the business owner has a long-standing deposit relationship at the institution and the business credit profile is significantly stronger than the personal profile.

For the step-by-step qualification process, see how to qualify for a business line of credit. For a broader overview of what lenders evaluate beyond credit scores, see our credit score for LOC guide and our complete LOC requirements breakdown.

Frequently Asked Questions

What credit score do I need for a business line of credit?

Bank LOCs require 680+ personal FICO (720+ preferred). Online lenders accept 600+. Credit unions typically fall in the 660–700 range. Your business credit score — Paydex 80+ or Experian Intelliscore 76+ — is a secondary but meaningful factor that can strengthen applications across all lender types.

Does business credit score matter separately from personal credit?

Yes, significantly for established businesses. For businesses under 5 years old, personal credit is the primary anchor. For businesses with 3+ years of documented trade payment history, a strong Paydex score (80+) can supplement a weaker personal profile and improve credit limit offers at the margin.

How much does my score affect the interest rate?

Each 20-point FICO improvement typically reduces APR by 1–2 percentage points on bank LOC products. On a $250,000 facility, the difference between a 660-tier rate (22%) and a 720-tier rate (10%) is approximately $46,000 in interest over 3 years. The biggest step-changes happen at the 680 and 720 thresholds.

Can I get a business LOC with a 600 credit score?

Yes, through alternative and online lenders. Product options are limited; rates run 25–40%+ APR. Secured products backed by collateral are more accessible at this score range. The better long-term move is usually to spend 90 days improving the score before applying rather than accepting high-cost capital at 600.

What's the fastest way to improve my score before applying?

Pay revolving balances below 20% utilization — this is the single highest-ROI action and shows results within one billing cycle (30 days). Dispute any credit errors through all three bureaus simultaneously. Avoid new hard inquiries for 6 months. Become an authorized user on an established low-utilization account.

Can strong cash flow compensate for a low score?

At fintech and online lenders that use bank statement analysis — yes. Consistent monthly revenue above $50,000 with no NSF events can compensate for a 640–660 FICO at some platforms. Collateral-backed LOCs also carry more flexible score requirements across all lender categories.

What is a Paydex score and how do I build one?

D&B Paydex ranges 0–100. A score of 80 means on-time payment; above 80 indicates early payment. Build it by: registering a DUNS number at dnb.com, opening 3–5 Net-30 vendor accounts (Quill, Grainger, Uline), and paying on time or early. A score typically appears within 3–6 months of consistent payment activity.