What is the fastest way to build business credit?
The fastest single move is opening 3 net-30 vendor tradelines (Crown Office Supplies, Grainger, Quill) in parallel within your first 2 weeks of having an EIN and DUNS number, then paying invoices 10 to 15 days before the net-30 deadline. Early payment builds a high PAYDEX score faster than on-time payment. Expect a usable PAYDEX within 3 months, not 30 days.
How does an LLC build credit?
An LLC builds credit by operating as a separately reportable legal entity tied to an EIN rather than your SSN. Once incorporated, the LLC opens vendor tradelines, business bank accounts and credit cards in the LLC's name. Payment behavior on those accounts is reported to commercial bureaus (D&B, Experian Business, Equifax Small Business) under the LLC's EIN, building a credit file independent of any individual member's personal credit.
How long does it take to build business credit?
A usable business credit file with a PAYDEX score takes 3 to 6 months of consistent reporting from at least 3 tradelines. Eligibility for an unsecured business card without a personal guarantee usually takes 6 to 12 months and is revenue-conditional. Full decoupling from personal credit (meaning you can access business financing on the business file alone) typically takes 12 to 24 months. Anyone advertising "build business credit in 30 days" is referring to opening one tradeline, not a usable score.
Can I build business credit without using personal credit?
Yes. The five ways in this guide all build business credit without depending on a personal credit pull. The foundation work (LLC, EIN, DUNS, business bank account), net-30 vendor tradelines and secured business cards don't require personal credit checks at the levels most owners have. The no-personal-guarantee corporate cards underwrite on cash and revenue rather than personal credit. The work is slower than personal-credit-based borrowing but produces a permanently separate file.
How do I build business credit with bad personal credit?
Build the business credit file separately from your personal credit. Incorporate as an LLC, get an EIN and D-U-N-S number, open net-30 vendor tradelines that report to commercial bureaus (Crown Office Supplies, Grainger, Quill), and add small revolving accounts that don't require a personal guarantee. Personal credit and business credit are separate files at separate bureaus, so a low personal FICO doesn't directly determine your business credit score. Most businesses see a usable PAYDEX in 3 to 6 months with consistent on-time payments.
How do I build business credit with just an EIN?
With an EIN alone, you can open vendor net-30 accounts (Crown Office Supplies, Quill, Grainger), apply for a DUNS number from D&B, and open a business bank account. These three steps create the foundation of a business credit file tied solely to your EIN rather than your SSN. No-PG corporate cards require additional revenue or cash on deposit on top of the EIN, so plan on 6 to 12 months of EIN-only credit-building before applying for those (Mercury IO Credit is the one exception, with no minimum balance to start and a low initial limit).
What is a D-U-N-S number and why do I need one?
A D-U-N-S number is a unique 9-digit business identifier issued by Dun & Bradstreet, the largest US commercial credit bureau. You need one because D&B is the primary bureau most US lenders, government contractors and large vendors check when evaluating your business. Without a DUNS number, you have no file at D&B and no PAYDEX score. The application is free at dnb.com and takes about 30 business days.
What's the difference between business credit and personal credit?
Business credit and personal credit are separate files at separate bureaus. Personal credit (FICO and VantageScore, 300 to 850) is tied to your SSN and reported by Equifax, Experian and TransUnion. Business credit (PAYDEX, Intelliscore Plus, Equifax Business Credit Risk Score) is tied to your business's EIN and reported by Dun & Bradstreet, Experian Business and Equifax Small Business. Business credit files are publicly accessible; personal credit files require your consent.
Do business credit cards require a personal guarantee?
Most do. The major exceptions in the US market are Brex, Ramp and Mercury IO Credit, which underwrite on cash on hand, deposits, or revenue rather than personal credit. The minimum bar varies sharply: Mercury IO has no minimum balance to start (with a low initial limit), Ramp requires at least $25K cash in a linked US business bank account, and Brex sits highest at $50K cash on hand or VC-backed status. Note that Brex was acquired by Capital One on April 7, 2026, so its product structure may evolve. Standard business cards from Capital One, Chase and Bank of America almost always require a personal guarantee, and Capital One Spark cards report to personal bureaus, so late payments hit your personal credit too. Always check the application agreement for the words "personal guarantee" or "joint and several liability" before signing.
Which net-30 vendors report to Dun & Bradstreet?
The most consistent D&B positive-reporting vendors in mid-2026 are Crown Office Supplies, Grainger (also Experian), Quill and Summa Office Supplies. Uline reports to D&B and Experian but recent guidance suggests it primarily reports late-payment activity rather than on-time payments, so verify with Uline's account services line before relying on it as a credit-builder. Opening 3 confirmed reporters in parallel and paying early is the fastest way to start a PAYDEX.
What is a good PAYDEX score?
A PAYDEX score above 80 indicates consistent on-time or early payment and is the threshold most lenders look for. Scores of 80 to 100 represent early payment behavior. Scores below 50 indicate slow or missed payments and will block most commercial financing.
Can revenue-based financing help build business credit?
Revenue-based financing is not itself a credit-builder product. It does not establish or repair credit. What it can do is keep your business operating while you build credit in parallel using the five ways above. A clean remittance record also strengthens your relationship with that provider, improving your terms when you renew or extend. Wayflyer underwrites on revenue rather than personal credit, so US businesses with at least $10K USD in monthly sales can access financing even with a thin business credit file or a low personal FICO.