Verify a Nigerian Company's TIN, Free

You can look up a Nigerian company's TIN (Tax Identification Number) for free on Fylings, right alongside its registry record, by searching its name or RC number. Almost no free tool surfaces a company's TIN, Fylings does it when the data is available, so you can confirm who you're invoicing, withholding tax for, or onboarding as a vendor.

Whether you're a finance team running vendor checks, a procurement officer onboarding a new supplier, or an accountant deducting withholding tax, the TIN is the number you actually need. This guide explains what a TIN is, why you'd verify one, how it differs from an RC number, and how to find it free on Fylings.

What is a TIN (Tax Identification Number)?

A TIN is a unique identifier issued to a person or company in Nigeria for tax purposes. Every entity that wants to transact formally, open a corporate bank account, issue valid invoices, bid for contracts, or file returns, needs a TIN. It's the number the tax authorities use to track a company's tax obligations and payments.

Think of it this way: the RC number identifies a company in the corporate registry (the Corporate Affairs Commission, or CAC), while the TIN identifies it in the tax system. A company has both, and they serve different purposes.

Who issues TINs in Nigeria?

For companies and other corporate entities, the Federal Inland Revenue Service (FIRS) issues and administers the TIN. The Joint Tax Board (JTB) maintains the national TIN registry that links the federal and state tax authorities, so the same TIN follows a company across the system. In practice, a registered Nigerian company is assigned a TIN as part of formalising its tax status, and that number stays with it.

Why verify a company's TIN?

Verifying a TIN protects you on the tax and compliance side of doing business. The most common reasons:

• Vendor onboarding, confirm a supplier is a real, tax-registered entity before you add it to your payables system.
• Withholding tax (WHT), when you deduct WHT on a payment and remit it to the tax authority, you need the supplier's correct TIN so the credit is attributed to the right entity.
• Invoicing, valid tax invoices reference TINs; a wrong or missing TIN can invalidate input claims and create reconciliation headaches.
• KYB compliance, know-your-business checks for fintechs, banks, and regulated businesses increasingly require a tax identifier as part of the entity profile.
• Contract and tender requirements, many RFPs and government contracts require proof of a valid TIN before award.

Getting the TIN wrong isn't just admin friction, it can mean WHT credits land on the wrong taxpayer, invoices get rejected, and onboarding stalls. Verifying upfront is far cheaper than fixing it later.

RC number vs TIN: what's the difference?

These two get confused constantly, so it's worth being precise:

• RC number, the registration number CAC assigns when a company is incorporated. It identifies the entity in the corporate registry and proves it legally exists. (For sole proprietorships and partnerships, the equivalent is a BN number, see RC vs BN number.)
• TIN, the tax identifier issued for the same entity. It identifies the company in the tax system, not the corporate registry.

A company has one RC number and one TIN, and they are not interchangeable. When a counterparty asks for your 'company number', clarify whether they mean the RC number (registration) or the TIN (tax), they often need both. On Fylings, you'll typically see them side by side on the company's record.

How to find a Nigerian company's TIN free on Fylings

Fylings pairs CAC registry data, company name, RC number, status, incorporation date, and type, with the company's TIN where it's available, all in one record. Here's how to find it:

1. Go to search free on Fylings and enter the company's exact name or its RC number.
2. Open the matching company from the results, check the name and RC number to make sure it's the right entity.
3. On the company record, look for the TIN field alongside the registry details (RC number, status, incorporation date, type).
4. Check the provenance shown on the record, the source, last-verified date, and confidence, so you know how fresh and reliable the figure is.
5. Copy the TIN into your vendor master, invoice, or KYB file, and cross-check it against the documents the company gives you.

If a company isn't already in the index, Fylings resolves real companies live, so a genuine registered business will still come back with a record rather than a dead end. You can browse more Nigerian companies from the Nigeria hub.

When a company's TIN may be missing

Sometimes the TIN field won't be populated. That doesn't necessarily mean the company has no TIN, it usually means the number isn't yet linked in the available data. Common reasons:

• The company is newly incorporated and its tax registration hasn't propagated yet.
• The TIN isn't exposed in a source Fylings can verify, so it isn't shown rather than guessed.
• You're looking at a closely matched but slightly different entity, double-check the name and RC number.

Because every Fylings record carries provenance, a blank TIN is honest: the platform shows what it can verify and flags what it can't, rather than inventing a number. When the TIN is missing, request it directly from the company and confirm it through official tax channels. This is also a natural point to widen your check into full supplier due diligence.

Using the TIN for compliance and withholding tax

Once you have a verified TIN, it becomes part of the audit trail for any transaction with that company. For withholding tax, you deduct the applicable amount from a qualifying payment and remit it on behalf of the supplier, the supplier's TIN is what ties that remittance to them so they can claim the WHT credit. Get the TIN wrong and the credit can attach to the wrong taxpayer, creating a reconciliation problem for both sides.

For broader KYB compliance, the TIN sits alongside the RC number, registered status, and directors as core entity attributes. Capturing it during onboarding, and confirming it's tied to the entity you think you're dealing with, is a basic control. If you're building or tightening a KYB process, see what is KYB.

Listed vs private companies

Both listed and private companies have TINs, being tax-registered isn't tied to being publicly traded. The practical difference is visibility: large, listed companies tend to have more of their identifiers documented across public sources, so their registry and tax details are easier to corroborate. Smaller or younger private companies may have thinner public footprints, which is exactly where a single verified record, with provenance, saves you time.

Whichever you're checking, the workflow on Fylings is the same: search by name or RC number, read the TIN and registry details together, and check the source and last-verified date before you rely on it.

Verify a company's TIN now

Don't onboard a vendor or deduct withholding tax on a number you haven't checked. Search free on Fylings by company name or RC number to find a Nigerian company's TIN alongside its CAC registry record, with the source, last-verified date, and confidence shown on every record. Start at the Nigeria hub to explore companies, or read up on supplier due diligence before your next onboarding.