> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dojah.io/llms.txt
> Use this file to discover all available pages before exploring further.

# FIRS TIN Verification for Nigerian Companies

> Validate a company Tax Identification Number against FIRS. Confirm TIN and business name before you transact.

This service enables businesses to validate a company’s Tax Identification Number (TIN) against
Nigeria’s Federal Inland Revenue Service (FIRS) records, ensuring authenticity and compliance
before proceeding with business or financial activity.

***

#### Features :

The FIRS TIN Verification service returns authoritative business data tied to a valid tax number, including:

* Taxpayer Name – The registered legal name of the entity

* CAC Registration Number – Cross-reference to CAC registry

* Tax Office – Assigned FIRS tax collection center

* Contact Details – Phone number and email associated with the business

* TIN Format Check – Verifies structure and consistency of the submitted TIN

Yes, it provides clean, real-time verification that's excellent for onboarding vendors, suppliers, creditors, or conducting regulatory checks.

***

#### Use FIRS TIN verification when you require:

* Legal confirmation that a business is tax-registered

* A consistent match between CAC and tax authority data

* Compliance checks before onboarding vendors or partners

* Layered due diligence combined with CAC verification

* Quick validation for financial transactions or merchant signups

***

### Integration Options

<Columns cols={1} arrow="true">
  <Card title="API Lookup" icon="plug" href="/docs/nigeria/validate-firs-tin" arrow="true" cta="View API Reference">
    Trigger TIN validation from your backend systems.
    The API returns structured business identity data and
    is ideal for automated flows or internal compliance processes.
  </Card>

  <Card title=" Manual Lookup via Dashboard" icon="desktop" href="/dashboard-guide/verify/business/business-data-lookup" arrow="true">
    Easily validate a TIN from the Dojah dashboard. Enter the TIN in the lookup tool and receive results instantly, perfect for support, risk review, or compliance review teams.
  </Card>
</Columns>
