How to Correct Wrong Proprietor Details on Business Name: Your Step-by-Step Guide for 2026

• Key Takeaways:
• Accuracy is King: Getting your proprietor details right from day one is super important for your business. Don’t play with it.
• CAC is Your Go-To: For any correction on your business name, the Corporate Affairs Commission (CAC) is the main body you’ll deal with.
• Documentation is Crucial: You can’t just go there with stories. You need proper papers like an affidavit, your NIN, and original registration documents.
• Follow the Steps: There’s a clear process on the CAC portal. From application to submission and collection, each step matters.
• Don’t Procrastinate: Leaving wrong details uncorrected can cause serious problems for your business later, from banking to legal issues.
• Know the Difference: Correcting a sole proprietorship business name is different from changing details for a limited company. This guide focuses on the business name.

Understanding the Importance of Accurate Proprietor Details

You see, when you register your business name here in Nigeria, the details you put down for the proprietor, that’s you as the owner, are not just small talk. They are very, very important. I always tell people, these details form the legal identity of your business. It’s like your own personal ID, but for your company. If something is wrong there, it can create big headaches down the line.

From what I’ve seen, having correct proprietor details ensures that your business can operate smoothly without issues. Think about it: when you want to open a bank account for your business, they will check these details. If your name, address, or even your date of birth on the business registration document (the CAC certificate) doesn’t match what you have on your other official IDs, like your National Identification Number (NIN) or driver’s license, the bank will refuse you. They won’t even think twice. It’s a deal-breaker.

Beyond banking, accurate details are critical for things like signing contracts, getting permits from government agencies, or even paying your taxes. Imagine you want to bid for a government contract, and your business name certificate has a typo in your name. That’s a red flag immediately. It can make your business look unprofessional, or worse, like it’s not a legitimate operation. In my experience, these little mistakes can cost you big opportunities.

So, what exactly are these “proprietor details”? Well, for a business name (which is usually a sole proprietorship or a partnership), it typically includes:

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• Your full name (as the owner)
• Your date of birth
• Your residential address
• Your gender
• Your nationality
• Your National Identification Number (NIN) or a valid means of identification details

These pieces of information are fundamental. They link you, the person, directly to the business entity. If any of these are wrong, it means the identity of the business owner is legally unclear or incorrect, which is not good for anybody.

Common Reasons for Wrong Proprietor Details

It’s funny, but many times, people ask me, “How did this even happen?” The truth is, mistakes can come from different places. It’s not always intentional. I’ve personally seen a few common reasons why proprietor details on a business name might be incorrect:

1. Typographical Errors: This is probably the most common one. You know how it is. Sometimes, when filling out forms online or when someone else is helping you input the details, a letter might be missed, or an extra one added. A “Mohammed” becomes “Mohamed,” or a “Chukwuma” becomes “Chukwuema.” These small spelling mistakes can cause big problems later because official bodies are very strict with name matching.
2. Misinformation During Registration: Sometimes, the person registering the business might accidentally provide wrong information. Maybe they mix up their current address with an old one, or they put the wrong date of birth. This often happens if you’re rushing or if you’re not paying close attention to every single field.
3. Name Changes: This one is very straightforward. A woman might register her business with her maiden name, then she gets married and changes her surname. Now her official documents carry her married name, but her business registration still has her maiden name. Or, in some cases, people legally change their names for personal reasons. This requires an update to everything, including their business name details.
4. Errors by the Registration Agent: If you used an agent or a lawyer to help you register your business name, sometimes they might make a mistake during the submission process. This is why I always tell people to double-check everything the agent puts down before the final submission, even if you trust them.
5. Data Entry Errors at the Commission: While less common now with online portals, in the past, when things were manually entered, sometimes the officials themselves could make data entry errors. This is usually easier to correct if it’s clearly their mistake.

No matter how the error happened, the main thing is to identify it quickly and take steps to correct it. Ignoring it won’t make it go away; it will only compound the problem.

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The Core Regulatory Body: Who Handles This?

Alright, so you’ve found out your proprietor details are wrong. Now what? The first thing to know is who you need to talk to. In Nigeria, the main government agency responsible for the registration and regulation of companies, business names, and incorporated trustees is the Corporate Affairs Commission (CAC). They are the ones who issued your business name certificate in the first place, so they are the only ones who can make changes to it.

The CAC’s role is very crucial. They keep a central register of all businesses and companies operating in Nigeria. This register needs to be accurate and up-to-date because it serves as the official record. Any change to your business’s core information, including your proprietor details, must go through them. You can’t just wish it away or change it yourself. You have to follow their process.

Their official website, which is www.cac.gov.ng, is where most of these changes are initiated these days. Gone are the days when you had to trek to their offices with stacks of papers. Now, a lot of the process is done online through their portal. This makes it a bit faster and more convenient, but it also means you need to be very careful when inputting information and uploading documents.

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So, when you think “correction of business name details,” just remember: CAC is the name of the game. They set the rules, they manage the process, and they issue the updated documents. Dealing with them directly or through a registered professional is the only way to get this done correctly.

Gathering Your Documents: What You Will Need

Before you even think of logging onto the CAC portal, the very first thing I always advise clients to do is to gather all their necessary documents. This is not a process you want to start half-heartedly. Missing even one document can cause delays, and nobody likes delays, especially when dealing with government processes. Based on my experience and what the CAC typically requires, here’s a checklist of the documents you will most likely need:

You see, having these documents ready means you can move through the process faster. Always have both original and scanned copies, because the online portal will require uploads. The quality of your scanned documents matters a lot. Make sure they are clear and readable.

The Step-by-Step Process for Correction

Now, let’s get into the main thing: how you actually go about correcting those wrong details. The process is mostly online now, which is a good thing. I’ll walk you through it, based on how I usually handle these things and what the CAC portal requires.

For Sole Proprietorship / Business Name

1. Step 1: Identify the Error Clearly.

   Before anything else, you must know exactly what is wrong. Is it your name? Your address? Date of birth? Pinpoint the specific error on your CAC Business Name Certificate and contrast it with your correct personal identification documents (like your NIN). In my experience, some people just say “my name is wrong,” but you need to know if it’s a spelling mistake, a missing middle name, or a complete change of surname. This clarity will guide the entire process.

2. Step 2: Obtain an Affidavit.

   This is a very crucial step. You need to go to a High Court or Magistrate Court and get an Affidavit for Correction of Particulars sworn before a Commissioner for Oaths. This document is a legal declaration where you formally state the incorrect detail, the correct detail, and affirm that you are the same person. For example, if your name is “John Doe” but it was registered as “Jon Doe,” the affidavit will state that “Jon Doe” on the certificate is the same person as “John Doe.” I’ve seen applications rejected simply because this affidavit wasn’t clear enough or was missing key information.

3. Step 3: Prepare Supporting Documents.

   Remember that table of documents I gave you earlier? This is where they come in handy. Gather all of them. Make sure you have clear, scanned copies of your CAC Business Name Certificate, your affidavit, your NIN slip/card, a valid ID, and any proof of name change (like a marriage certificate or newspaper publication if applicable). Organize them properly. This part is like preparing your battle gear.

4. Step 4: Visit the CAC Portal.

   Go to the official CAC website (www.cac.gov.ng). You’ll need to log in to your account. If you don’t have one, you’ll need to create one. From what I understand, you log in as the user who registered the business or as an accredited agent. This is your gateway to initiating the correction process.

5. Step 5: Navigate to Post-Incorporation Filings and Fill Out the Amendment Form.

   Read Also: How to Correct Wrong Email on CAC Portal: Step-by-Step Guide for Your Business Registration Profile in 2026

   Once you’re logged in, look for the “Post-Incorporation” section. Under this, you’ll find options for “Business Name” amendments or changes. You need to select the specific application for “Correction of Proprietor Particulars” or a general “Amendment of Business Name.” The portal will guide you to fill out an electronic form. Here, you will input the existing (wrong) details and then provide the correct details. I always tell people to be very, very careful at this stage. Cross-check everything twice before moving forward.

6. Step 6: Upload Documents.

   The system will ask you to upload the scanned copies of your supporting documents. This includes your affidavit, your NIN, the CTC of your business name certificate, and any other relevant ID or proof of change. Ensure each document is in the correct format (usually PDF) and is clear and readable. A blurry document can cause your application to be queried, which means more waiting time.

   Frequently Asked Question

   What is the process for winding up or dissolving a company?
   Winding up a company involves a formal process with CAC, often through a resolution and appointment of a liquidator, to legally close down the business.

7. Step 7: Pay the Prescribed Fees.

   There is usually a fee for making amendments. The system will calculate it for you. You can pay directly on the portal using your debit card. Keep the payment receipt or transaction ID. This is proof that you’ve fulfilled the financial requirement.

8. Step 8: Submit and Track Application.

   Once you’ve filled everything, uploaded all documents, and paid the fees, you can submit your application. After submission, you’ll usually get an application number or reference ID. Make sure you save this. This number is what you’ll use to track the progress of your application on the CAC portal. I’ve found that checking regularly helps you catch any queries or requests for further information quickly.

9. Step 9: Collect New Certificate/Update.

   If your application is successful, the CAC will process the correction. You will receive an notification, and you can then download your updated Business Name Certificate with the correct proprietor details from the portal. In some cases, if it’s a major change, they might issue an amended certificate. Always download and save this new document securely. This is the proof that the correction has been officially made.

The Nigerian legal framework for company and business name registration is primarily governed by the Companies and Allied Matters Act (CAMA). For more background on the legal aspects, you might find information on general company law helpful, like on Wikipedia’s page on Company Law in Nigeria.

Important Considerations and Tips

Correcting details might seem simple, but there are a few things you should keep in mind to make the process as smooth as possible:

• Timeframes: Don’t expect it to happen overnight. Once you submit your application, it goes into a queue for review. Sometimes it takes a few days, sometimes a week or two, depending on the volume of applications the CAC is handling. I’ve seen applications processed in three days, and I’ve seen some take two weeks. Just be patient and keep checking your application status on the portal.
• Cost Implications: Yes, there are fees involved. The exact amount can change, but usually, it’s a processing fee for the amendment and possibly a small fee for the affidavit. It’s not usually exorbitant, but it’s money you need to factor in. The CAC portal will show you the exact amount when you get to the payment stage.
• Professional Help: If you find the process overwhelming, or you’re not confident in handling legal documents like affidavits, it’s a good idea to engage an accredited professional. This could be a lawyer, a company secretary, or a CAC-accredited agent. They understand the nuances of the process and can help ensure everything is done correctly, saving you time and potential frustration. While it costs a bit more, it often prevents costly mistakes.
• Double-Checking: I cannot stress this enough. Before you submit anything, double-check every single piece of information you’ve entered and every document you’ve uploaded. One tiny mistake can lead to your application being queried or rejected, and then you have to start all over again, or at least re-submit, which means more delays.
• Maintaining Records: After the correction is done and you have your updated certificate, make sure you keep good records. Print out copies, save digital versions, and make sure they are easily accessible. This is your proof that you have corrected the details. You’ll need these updated documents for your bank, for contracts, and for other official engagements.

What Happens if You Don’t Correct the Details?

You know, some people, they just see the mistake and think, “Ah, it’s just a small thing, let me just manage it like that.” No, that’s not how it works. Trust me, ignoring wrong proprietor details on your business name can lead to some very serious problems. I always tell people, it’s like a ticking time bomb. It might not explode today, but it will eventually.

Here are some of the things that can happen if you leave those details uncorrected:

• Legal Implications: The most important thing is that your business’s legal identity becomes questionable. If your official documents don’t match your true identity, any contracts you sign, any loans you take, or any official representations you make could be challenged. In extreme cases, it could invalidate transactions or even lead to fines from regulatory bodies. The CAC can also impose penalties for non-compliance with their regulations.
• Operational Challenges: This is where you feel the pinch day-to-day.
  • Banking: As I said before, you will struggle to open or even maintain a business bank account if your CAC details don’t match your personal ID. Banks are very strict with KYC (Know Your Customer) rules.
  • Contracts: When you enter into agreements with suppliers, clients, or partners, they will often request your business registration documents. If there’s a discrepancy, it can cause mistrust and make them hesitant to do business with you. They might even refuse to sign.
  • Government Permits and Licenses: Many industries require specific licenses or permits to operate. When applying for these, the details on your business name certificate must align with other documents. Any mismatch will cause your application to be rejected.
  • Tax Compliance: Your tax identification number (TIN) is linked to your business registration. Inconsistencies can complicate your tax filings and could potentially lead to issues with the Federal Inland Revenue Service (FIRS) or State Internal Revenue Service (SIRS).
• Reputational Damage: Imagine a potential client or investor doing a due diligence check on your business and finding conflicting information. It immediately raises questions about your credibility and professionalism. It gives the impression that your business is not properly managed or, worse, that it might be fraudulent. This can seriously harm your business’s reputation and make it difficult to attract new opportunities.

So, you see, it’s not just a small mistake. It’s something that needs to be fixed immediately you discover it. The peace of mind and smooth operation of your business are worth the effort.

Key Differences: Business Name vs. Limited Company Proprietor Changes

Now, it’s important to clarify something that many people mix up. The process I’ve explained mostly talks about changing details for a Business Name, which in Nigeria is usually a sole proprietorship or a partnership. For this type of entity, the proprietor’s details are essentially the owner’s personal details directly linked to the business. It’s a bit more direct.

However, if you own a Limited Company (like a Limited Liability Company or PLC), the situation is quite different. In a limited company, the “proprietors” are not typically what you’d be changing in the same way. Instead, you’d be dealing with changes to Directors, Shareholders, or Company Secretary details. A limited company is a separate legal entity from its owners, unlike a business name.

For a limited company, changing these details involves:

• Board Resolutions: The company’s board of directors usually needs to pass a resolution to approve the change.
• Share Transfers: If a shareholder’s details change or shares are being transferred to a new owner, it involves a share transfer process.
• CAC Filings: Specific CAC forms for changing directors’ particulars (e.g., Form CAC 7), share capital, or company secretary details are used.
• More Complex Documentation: It often requires more formal documentation like minutes of meetings, special resolutions, and updated registers.

My point is, while both require dealing with the CAC, the procedures, forms, and documents for a limited company are more involved and formal because of its distinct legal personality. This guide specifically focuses on the simpler, more direct process for Business Names where the proprietor’s personal details are directly on the certificate. Don’t confuse the two!

Frequently Asked Questions

What is a “proprietor” in the context of a business name?

In the context of a business name, the “proprietor” is simply the individual owner of the business. For sole proprietorships, it’s the person who registered the business in their name. For partnerships, it refers to the individual partners.

How long does it take for CAC to process the correction of proprietor details?

Based on my experience, the processing time can vary. It usually takes anywhere from a few days to two weeks, sometimes a bit more, depending on the CAC’s workload and how quickly you respond to any queries. It’s best to check your application status on the portal regularly.

Can I correct my proprietor details if I used an agent for the initial registration?

Yes, you absolutely can. You can either log into the CAC portal using the same account used by your agent (if they shared the credentials with you) or have your agent initiate the process on your behalf. If you have your own CAC account, you can also log in and attempt to amend it yourself, as long as you have control over the business name on the portal.

What if I don’t have my original CAC Business Name Certificate?

You can apply for a Certified True Copy (CTC) of your Business Name Certificate from the CAC. This CTC will serve as proof of your existing registration and can be used for the correction process. You’ll need to do this before applying for the correction.

Is an affidavit always required for proprietor detail correction?

Yes, in almost all cases where there’s a discrepancy in personal details like names, dates of birth, or addresses, an affidavit is a mandatory legal document. It’s your formal declaration that the error exists and what the correct information is.

What happens if the error is on my NIN or other primary ID, not just the CAC certificate?

If the error is on your primary identification like your NIN or passport, you must correct that first before attempting to correct your CAC details. CAC records must match your official government-issued ID. Trying to correct CAC details with a wrong primary ID will likely lead to rejection.

Can I change the proprietor entirely, meaning transferring the business name to a new owner?

No, correcting proprietor details is for fixing errors related to the *existing* owner. If you want to transfer ownership of a business name to a different person, that is a different process entirely, usually involving a deed of assignment and specific CAC filings for change of ownership, not just a correction of particulars.

Are the fees for correction fixed?

The fees for corrections are set by the Corporate Affairs Commission and can be subject to review. The CAC portal will always display the current and applicable fees when you initiate the process. It’s usually a standard fee for amendments.

Do I need to publish a newspaper announcement for name changes for a business name proprietor?

While publishing a newspaper announcement (deed poll) is often required for personal name changes, especially when it’s not due to marriage, it is good practice to include it as supporting evidence for a proprietor name change with CAC if you’ve already done so. For marriage-related name changes, a marriage certificate is usually sufficient.

What should I do if my application for correction is queried or rejected?

If your application is queried, it means CAC needs more information or clarification. You will usually receive a notification detailing the reason for the query. You then need to address the query by providing the requested information or documents and resubmit. If it’s rejected, you’ll need to understand the reason, make the necessary adjustments, and re-apply, possibly paying fees again if it was a fundamental error.

Written by Adebayo Johnson

Adebayo Johnson is a certified industry expert with years of hands-on experience helping businesses scale, optimize, and succeed. Our content is rigorously researched and fact-checked to ensure the highest standards of accuracy and trustworthiness.