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Trusted by 10,000+ organizations

Real-Time EIN Lookup for Organizations

Prevent B-Notices, reduce 1099 errors, and onboard new vendors instantly. EINsearch combines a 20+ million record EIN database with real-time IRS TIN matching, so your compliance data stays accurate at every step.

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Trusted by leading brands

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Our Products

Everything You Need for KYB, EIN, and TIN Compliance

One platform for EIN and TIN compliance needs. Verify business identity, reduce filing errors, and stay audit-ready across vendor onboarding, tax filings, and regulatory reviews.

EIN Lookup
Search a business EIN to reduce onboarding risk, strengthen compliance workflows, and support due diligence.
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TIN Matching
Validate TINs against IRS records in real time. Catch mismatches before filing 1099s and avoid costly B-Notices and CP2100s.
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Batch TIN Matching
Batch validate thousands of TINs against trusted compliance data to reduce B-Notices, prevent reporting errors, and improve tax filing accuracy at scale.
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OFAC Watchlist
Screen vendors and businesses against OFAC and global sanctions in real time to support AML, KYC, and regulatory compliance.
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Customer Feedback

How it Works

From Search to Verified Data

Access verified EINs and validate TINs in real time, with workflows built for compliance, onboarding, and regulatory reporting.

Search the database
Search 20+ million verified EINs by company name or EIN. Results returned in seconds.
Validate against the IRS
Manually validate TINs against IRS records to confirm identity, or integrate into your system workflow via API. Prevent costly errors on tax filings and reports.
Download or integrate
Export the results from a batch submission as CSV. Verified compliance data, embedded in your existing workflow.
Why EINsearch

The EIN Database Built for Scale

Built for enterprise-scale compliance operations, EINsearch combines real-time validation, comprehensive entity coverage, and seamless integrations to support critical onboarding, financial, and regulatory workflows.

Real-Time Accuracy
Compliance teams get the most current EIN data for any entity, with records enhanced on an ongoing basis
Enhanced Coverage
Lookup over 20 million verified EINs, covering businesses across all industries, US states, and entity types.
API Integration
Connect EINsearch to your ERP, accounting, and compliance platforms through our API to automate vendor verification directly within your existing workflows.
Nationwide Coverage
20M+ EINs across the US
Live
State coverage
Major business hub
All states
50/50
Counties
3,244
Cities
19,500+
Who We Serve

Built for Compliance Teams

EINsearch is built for the teams responsible for financial compliance, tax filings, and regulatory checks. We help organizations of any size verify business identity with confidence.

Accounts Payable Teams
Streamline supplier onboarding, reduce payment errors, and confirm vendor tax information before issuing payments at scale.
1099 Compliance Vendor Onboarding Payment Accuracy
Tax Professionals
File more accurate returns with instant TIN verification. Reduce B-Notices and keep client reporting clean and audit-ready.
IRS Reporting TIN Validation Audit Ready
Financial Institutions
Banks, credit unions, and other financial institutions strengthen their KYC, KYB, and AML processes with real-time business verification and OFAC sanctions screening.
KYC AML Identity Verification
Compliance Officers
EINsearch keeps compliance officers in adherence to regulations. Continuously verify TINs and screen entities and individuals against sanctions lists, both inside and outside your organization.
OFAC Screening Risk Management Regulatory Compliance
Preview a result

See what a verified record looks like

Pick a sample below to see how EINsearch returns a match or no match result against IRS records in seconds.

Try a sample:
Apple Inc.
Match Found
94-2404110
Corporation
Active
California
Jan 3, 1977
Verified

Your result is ready. Sign up free to see the full record.

Search EIN Database

Create a free EINsearch account to explore the platform and view available plans. No credit card required to register.

FAQs

FAQs

Quick answers on what EINsearch does, how accurate the data is, integrations, and compliance use cases. Our team is available for any additional questions.

Contact support

EINsearch holds more than 20 million verified EINs, covering businesses across all industries and US states. Our EIN database is continuously expanding, making it a reliable foundation for compliance checks and entity verification.

EINsearch enhances the database continuously to keep compliance data accurate and current, supporting fewer errors when filing taxes, onboarding suppliers, and running regulatory checks.

Yes. EINsearch offers a developer-friendly API that lets teams integrate real-time EIN search and TIN verification directly into their own systems. The API handles high request volumes and uses secure authentication to keep your compliance workflow protected.

An EIN (Employer Identification Number) is a specific type of TIN (Taxpayer Identification Number) issued by the government to businesses. All EINs are TINs, but not all TINs are EINs. EINsearch can verify any TIN through the IRS and provides business records for 20+ million entities.

Yes, it is. EINsearch is the newer version of what was previously FEINSearch.com. The service has a new brand and includes more data, better technology, and stronger compliance tools, while still letting you look up EINs as before.