BVN, NIN, and TIN are three important identification numbers every business owner in Nigeria must understand.
Each one serves a different purpose in banking, identity verification, and taxation.
BVN (Bank Verification Number)
The BVN is an 11-digit biometric ID used across the banking industry. It helps banks confirm a customer’s identity and protects accounts from fraud.
The Central Bank of Nigeria (CBN) regulates the BVN system, while commercial banks issue the numbers to their customers.
Benefits to Business Owners
- Opening Accounts: Every individual who owns or signs on a bank account must have a BVN.
- Credit Access: Banks rely on BVN records to verify identities and review credit history. The CBN also requires BVN before any credit facility is approved.
NIN (National Identification Number)
The NIN is issued by the National Identity Management Commission (NIMC) to all Nigerian citizens and legal residents. It is the primary national identity number and is now linked to many government services.
It is also mandatory for registering new businesses with the Corporate Affairs Commission (CAC) and doubles as an individual’s TIN.
Benefits to Business Owners
- Business Registration: CAC requires a valid NIN for verifying the details of all directors, shareholders, and proprietors.
- Linked to TIN: For sole proprietors, the NIN automatically becomes the Taxpayer Identification Number.
TIN (Taxpayer Identification Number)
The TIN is issued by the Federal Inland Revenue Service (FIRS) and the Joint Tax Board (JTB). It is used for tax administration and is compulsory for businesses that want to stay compliant.
Benefits to Business Owners
- Tax Compliance: You need a TIN to file tax returns, deal with FIRS, and secure a tax clearance certificate.
- Corporate Accounts: No corporate bank account can be opened without a TIN.
- For Individuals: Sole proprietors do not need a separate TIN; it is automatically generated from their NIN and verified through their NIN/BVN.
- For Registered Companies: A company’s CAC registration number (RC Number) doubles as its corporate TIN, and this number appears on the CAC certificate.
For business owners in Nigeria, securing your NIN and BVN should be the first step, since both numbers work together for banking, identification, and basic tax registration.
Once you register a Limited Liability Company (LLC), it is issued its own corporate TIN through its CAC registration number.
Staying compliant with these requirements ensures your business runs smoothly and avoids unnecessary regulatory issues.

