The Three Major Credit Bureaus

The big three: Experian, Equifax, and TransUnion are the three major credit reporting agencies that collect, maintain, and distribute your credit information to lenders, employers, landlords, and other authorized parties. Understanding how they work is crucial for managing your credit effectively.
The largest credit bureau globally with a strong international presence and advanced analytics.
Key Features:
- Largest global reach
- Advanced analytics technology
- Comprehensive business credit services
- Innovative credit monitoring tools
The oldest of the three bureaus, focusing heavily on data analytics and workforce solutions.
Key Features:
- Oldest credit bureau
- Workforce solutions provider
- Identity verification technology
- Strong data analytics focus
A technology and innovation leader with a strong focus on consumer empowerment services.
Key Features:
- Technology innovation leader
- Strong consumer services
- Advanced fraud detection
- TrueIdentity platform
| Feature | Experian | Equifax | TransUnion |
|---|---|---|---|
| Primary Score Model | FICO® Score 8 | FICO® Score 5 | VantageScore® 3.0 |
| Score Range | 300-850 | 300-850 | 300-850 |
| Free Credit Report | Annual + Monitoring | Annual + Monitoring | Annual + Monitoring |
| Mobile App Rating | 4.4/5 stars | 4.2/5 stars | 4.5/5 stars |
| Specialty Focus | Analytics & Business | Employment & Identity | Technology & Innovation |
Credit Scoring Models
Not all scores are the same. Each bureau may use different versions of FICO® or VantageScore®.
FICO® Scores
Experian: FICO® Score 8 (Widely used)
Equifax: FICO® Score 5 (Mortgage/Lending)
TransUnion: FICO® Score 4 (Classic)
VantageScore®
All three bureaus jointly developed VantageScore® 3.0 & 4.0 as an alternative to FICO®. It's widely used for free credit score apps.
Industry Scores
Auto: FICO® Auto Score
Bankcard: FICO® Bankcard Score
Home: FICO® Mortgage Score
🏦 Financial Institutions
Credit card companies, banks, credit unions, mortgage lenders, and student loan servicers report your payment history and balances monthly.
📜 Public Records
Bankruptcy filings, tax liens, civil judgments, and foreclosure proceedings are gathered from court records.
🕒 Reporting Frequency
Most lenders report monthly. Public records are updated as they occur. Corrections happen upon dispute resolution.
Do I need to monitor all three bureaus?
Which bureau do lenders use most?
How to dispute errors?
- Experian: experian.com/disputes
- Equifax: equifax.com/personal/credit-report-services
- TransUnion: transunion.com/credit-disputes
Can I delete accurate negative info?
Editorial Note: This guide is for educational purposes. CreditVana is not affiliated with any credit bureau.