Experian vs. Equifax vs. TransUnion

You pulled two of your credit reports and they don't match. Different accounts, different balances, maybe a collection on one but not the others. That's not a glitch. It's how a system built on three separate private companies works. Understanding it changes how you check, dispute, and prepare for applications.

What are the credit bureaus, exactly?

Each bureau keeps its own file on you, built from its own furnisher relationships. Furnishers are the banks, card issuers, loan servicers, and collection agencies that send in account data every month. Furnishing is voluntary. A national card issuer likely reports to all three bureaus. A local credit union, a small collector, or a landlord may report to one, two, or none. The big three also aren't the whole industry — specialty agencies track things like banking history and rental payments — but the three nationwide bureaus drive most credit decisions.

Why do the three reports differ?

In practice, one report can show a collection the others don't. Balances can lag a payment on one bureau but not another. An old address, or an account belonging to someone with a similar name, can appear in exactly one file. None of that is unusual. But each difference is worth checking, because some differences are simply errors. Our guide to reading a credit report covers what to look for line by line.

Why are your scores different too?

This is why the score in your banking app rarely matches the one a lender quotes. Neither is wrong. They are different models, possibly reading different files, on different days. The practical takeaway is simple: compare a score only against the same model from the same bureau over time. Focus on what you control — the underlying report data at all three bureaus.

What does this mean in practice?

1. Pull all three reports free

   AnnualCreditReport.com is the only federally authorized source, and reports from all three bureaus are free there every week. Details are in how to get your free credit reports.

2. Compare them line by line

   Differences in timing are normal; accounts you don't recognize, wrong balances, or someone else's data are not. If anything looks like identity theft, switch to the identity theft playbook.

3. Dispute with each bureau showing the error

   Each bureau runs its own dispute process. Bureaus generally must investigate within 30 days (up to 45 in some cases). Disputing with the furnisher as well attacks the error at its source.

4. Review all three before big applications

   A mortgage lender may pull all three; a card issuer or auto lender may pull any one. Clean files everywhere mean no surprises.

How do the three bureaus compare on the basics?

	Equifax	Experian	TransUnion
Who they are	Nationwide consumer reporting agency	Nationwide consumer reporting agency	Nationwide consumer reporting agency
Online dispute	Equifax dispute page	Experian dispute center	TransUnion dispute page
Security freeze	Free; placed directly with Equifax	Free; placed directly with Experian	Free; placed directly with TransUnion
Free report	Weekly via AnnualCreditReport.com	Weekly via AnnualCreditReport.com	Weekly via AnnualCreditReport.com

Freezes, like disputes, are per-bureau: freezing one file leaves the other two open, so people who freeze generally do it at all three.

Common mistakes to avoid

• ✕Checking one bureau's report and assuming the other two look the same.
• ✕Disputing an error with one bureau and expecting the correction to spread to the others.
• ✕Skipping the furnisher dispute when the furnisher is the source of the bad data.
• ✕Paying a lookalike site for reports that are free weekly at AnnualCreditReport.com.
• ✕Panicking over modest score gaps between bureaus — different data plus different models makes gaps normal.
• ✕Freezing one bureau after fraud and leaving the other two files open.

Frequently asked questions

Why are my three credit reports different?

Four main reasons stand out. Not every furnisher reports to all three bureaus, furnishers send updates on different schedules, each bureau has its own matching and data-handling systems, and dispute outcomes at one bureau do not automatically carry over to the others. So one report can show a collection or a balance the others do not.

Are the credit bureaus government agencies?

No. Equifax, Experian, and TransUnion are separate, competing private companies that collect data about how you borrow and pay, then sell reports and scores to lenders, landlords, and others. They are regulated under the Fair Credit Reporting Act, but no rule requires them to hold identical data about you.

Why is my credit score different at each bureau?

Two layers stack. Each bureau holds different data, so the same scoring model produces different numbers at each one. And many models exist, including multiple FICO versions plus VantageScore, so even one bureau's data yields different scores under different models. There is no single true score.

If I fix an error at one bureau, does it get fixed at the others?

No. Bureaus do not share dispute results with each other, so an error corrected at Experian can sit untouched at Equifax and TransUnion until you dispute it there too. A dispute generally needs to go to every bureau reporting the error, and disputing with the furnisher as well attacks the error at its source.

Which bureau do lenders use?

You generally do not control which bureau a lender pulls. A card issuer or auto lender may pull any one of the three, and for many mortgages lenders order a combined "tri-merge" report drawing on all three files. That is why all three reports deserve review before a major application.

How can I get all three credit reports for free?

AnnualCreditReport.com is the only federally authorized source, and reports from all three bureaus are free there every week. Lookalike sites that charge for reports are worth avoiding.

When to talk to a professional