RC Number vs BN Number: What Each Means

An RC number identifies a registered company (a limited liability company), while a BN number identifies a registered business name (a sole proprietorship or partnership). Both are issued by the Corporate Affairs Commission (CAC) in Nigeria, but they mark two genuinely different legal structures with different liability, ownership, and protection rules. This guide explains exactly what each one means, how to read it, and how to verify either record for free.

What is an RC number?

RC stands for Registration Certificate number. When a company is incorporated under Nigerian law as a private or public limited company, the CAC issues it an RC number, usually written as RC 1234567. That number is the company's permanent identity in the official register. It stays with the company for its entire life, regardless of changes to directors, shareholders, or address.

An RC number signals that you are dealing with a separate legal entity — a company that can own property, sign contracts, sue, and be sued in its own name, independent of the people who own it. Most formal businesses you deal with at scale (banks, telcos, manufacturers, agencies, and serious B2B suppliers) operate under an RC number because limited companies are required for many licences, large contracts, and investor funding.

What is a BN number?

BN stands for Business Name. A BN number is issued when a sole proprietor or a partnership registers their trading name with the CAC. It is often written as BN 1234567. Registering a business name is simpler and cheaper than incorporating a company, which is why many small traders, freelancers, shops, and one-person ventures start here.

The crucial point about a BN is that it is not a separate legal entity. A registered business name is essentially the owner trading under a chosen name. The business and the owner are legally the same person. There are no shares and no incorporation — just a registered name tied to one or more individuals. That distinction drives almost every practical difference below.

RC number vs BN number: the key differences

Here is the side-by-side comparison most people are actually looking for.

RC number (registered company)

• Legal structure: A separate legal entity (limited liability company), distinct from its owners.
• Liability: Limited — owners' personal assets are generally protected; they risk only what they put into the company.
• Who uses it: Companies seeking funding, large contracts, licences, or formal partnerships; most medium and large businesses.
• What the number looks like: Typically RC followed by digits, e.g. RC 1234567.
• Protections: Stronger name protection, the ability to issue shares, continuity beyond the founders, and clear contractual standing.

BN number (registered business name)

• Legal structure: Not a separate entity — the owner (or partners) trading under a registered name.
• Liability: Unlimited — the owner is personally responsible for the business's debts and obligations.
• Who uses it: Sole traders, freelancers, small shops, and partnerships starting out or staying small.
• What the number looks like: Typically BN followed by digits, e.g. BN 1234567.
• Protections: Registers the name and gives a legal trading identity, but offers no liability shield and weaker continuity.

How to read the number

The prefix tells you the structure. RC means an incorporated company. BN means a registered business name. You may also encounter IT, which signals an incorporated trustee (more on that below). Some records or invoices drop the letters and show only digits, which is why the prefix alone is not always reliable — always confirm against the official register rather than guessing from a logo, letterhead, or a number printed on a quote.

A common pitfall: people assume any registered business has an 'RC number'. In everyday speech 'RC number' is used loosely to mean 'CAC number', but the actual prefix matters. A business name carries a BN, not an RC, and that single letter changes who is liable if something goes wrong. If you are screening a counterparty, see our guide on how to check CAC registration.

Which is 'better' — RC or BN?

Neither is universally better; they serve different purposes. A BN is faster and cheaper to set up and is perfectly suited to a solo trader or a small partnership testing an idea. An RC company costs more and carries more compliance, but it gives you limited liability, the ability to raise capital, stronger name protection, and the credibility larger partners expect.

If you are choosing for your own venture: start with a BN if you want the lowest-friction legal trading identity, and incorporate a limited company once you need liability protection, outside investment, or large formal contracts. If you are assessing someone else — for example doing due diligence on a supplier — knowing whether they are an RC company or a BN tells you who you can actually hold accountable, and whether you are contracting with an entity or an individual.

How to verify an RC or BN number on Fylings

You can verify either type of registration for free. On Fylings, search the company or business name — or paste the number directly — and open the record. Both RC and BN records show the same core fields at no cost: the registered name, the RC or BN number, the registration status (active, dissolved, or dormant), the incorporation or registration date, the company type or classification, the nature of business, and the TIN where available.

• Search by name or number: Go to search on Fylings and enter the name or the RC/BN number.
• Check the prefix and type: The classification field confirms whether it is a company (RC), a business name (BN), or incorporated trustees (IT).
• Confirm status and date: Look for 'active' status and a registration date consistent with how long the business claims to have operated.
• Trust the provenance: Every record carries a source, a last-verified date, and a confidence indicator, so you know how fresh the data is.
• Live fallthrough: If a real company is not yet in our index, Fylings checks the live source rather than returning zero results.

For more Nigeria-specific registry guidance, start at the Nigeria hub.

A quick note on IT numbers

There is a third common prefix: IT, for Incorporated Trustees. This is the registration used by NGOs, associations, churches, clubs, and other not-for-profit bodies. An IT number is neither a company (RC) nor a business name (BN) — it identifies a registered organisation governed by trustees rather than shareholders or a sole owner. If you see an IT number, you are dealing with a non-profit or membership body, not a commercial company. Fylings shows IT records with the same free core fields as RC and BN records.

Whether you are checking a supplier, vetting a partner, or confirming your own registration, the prefix tells the story: RC for a company, BN for a business name, IT for incorporated trustees. Verify it in seconds — search on Fylings by name or number and see the status, registration date, and source for free.