How to File Your Tax Online in Nigeria (TaxProMax and Rev360)

Nigeria online tax filing is moving from FIRS TaxProMax to the Nigeria Revenue Service Rev360 platform. Here is how electronic filing works and how to stay safe.

Step by step

1. Confirm the current portalCheck the NRS official website for the current filing platform address, as Rev360 is replacing the older TaxProMax portal.
2. Register or claim your profileCreate an account, or claim your migrated profile, using your Taxpayer Identification Number and official credentials.
3. Gather your tax recordsAssemble your financial records, and for companies the required schedules, so your return is accurate.
4. Prepare your returnComplete the return using the platform templates, including any downloadable schedules you fill offline and upload.
5. File the returnSubmit the return on the platform, which generates a payment reference or document identity number for remittance.
6. Pay through the official channelUse the portal official payment option to pay the assessed amount, then confirm the payment is captured.
7. Save your receipt and filingsDownload and keep your filing acknowledgement and payment receipt for your records and any tax clearance needs.

Filing your tax online in Nigeria has become far more structured, but the system is in transition: the long-standing FIRS TaxProMax portal is being replaced by a new platform called Rev360, run by the Nigeria Revenue Service (NRS), the successor to the Federal Inland Revenue Service. Whether you are an individual or a company, understanding how electronic filing works, and confirming which portal is current, keeps you compliant and protects you from the growing number of fake tax sites that appear around filing deadlines.

What online tax filing is

Online tax filing is the process of registering as a taxpayer, preparing and submitting your tax returns electronically, and paying what you owe through official digital channels. The platform generates a payment reference when you file, which ties your payment to your return so the two are matched in the system, and it can also handle registration, refunds and the issuance of Tax Clearance Certificates. Moving this online reduces paperwork and queues, but it also means you must be sure you are on the genuine government platform each time you log in or pay. The platform brings several tasks that were once separate, such as registration, return submission, payment and obtaining a clearance certificate, into one connected system. This makes compliance more convenient, but it also concentrates sensitive activity in one place, which is why confirming the authenticity of the site and protecting your login details matter so much. Approaching online filing as a routine you repeat each tax period, with the same care each time about where you are logging in, keeps you both compliant and safe from imitation portals.

Who needs to file and who is eligible

Individuals with taxable income and companies carrying on business in Nigeria generally have obligations to register and file returns. If you hold a Taxpayer Identification Number (TIN) and earn income or run a company, you are likely within scope. Employees taxed through their employer under the Pay As You Earn system should still understand their position, since some reliefs and filings may concern them directly, while self-employed people and businesses typically file directly. If you are unsure of your specific obligations, the NRS is the authority to confirm them rather than relying on assumptions.

Documents and details required

You will need your Taxpayer Identification Number (TIN) and your platform login credentials, along with the financial records that support your return. For companies this usually includes financial statements and the schedules the platform specifies, some of which can be completed offline in provided Excel-style templates and uploaded during filing. Keeping organised records through the year, including invoices, receipts and bank statements, makes filing far simpler and reduces the risk of errors that trigger queries or penalties. It also makes it easier to respond quickly if the authority asks for clarification.

Fees and payment

Filing a return is a compliance step; what you pay is the tax assessed on your return, not a fee to a middleman. Payments are made through the portal official channels into government accounts, and the system records them against your filing using the generated reference. Be very wary of anyone offering to reduce your tax, clear your liability, or issue a Tax Clearance Certificate in exchange for a private cash payment, as that is both unlawful and a common fraud. Genuine obligations are paid transparently through the platform, with a receipt you can verify.

Realistic timeline

The time to prepare a return depends heavily on how well your records are kept; a well-organised taxpayer may finish quickly, while reconstructing a year of accounts takes much longer. The online submission itself is fast once your return is ready. Processing of payments and issuance of documents such as a Tax Clearance Certificate follows afterward and may take some days. Filing ahead of statutory deadlines avoids both penalties and the congestion that builds on the portal as deadlines approach, when slow performance can cost you valuable time.

The transition from TaxProMax to Rev360

The most important current point is that the portal is changing. The NRS has introduced Rev360 to replace TaxProMax as the primary electronic tax administration system, with features spanning registration, filing, payment, refunds and clearance certificates. Existing taxpayer records are being migrated, and new login credentials are typically issued to registered email addresses, which you can then change to your preferred details. Rollout has been phased across taxpayer segments, so your exact access may depend on your category. Always confirm the current portal address and your migration status through the NRS official website rather than assuming the old TaxProMax link still applies.

Common problems and how to fix them

Filing issues often stem from login difficulties during migration, incomplete records, or using an outdated portal link. If you cannot log in, check whether new credentials were sent to your registered email and confirm your profile has been migrated. If a schedule will not upload, ensure you used the correct template and format. If you reach a page that looks unfamiliar or asks for unusual information such as your banking password, stop and verify you are on the genuine NRS platform before entering anything, since phishing pages imitate official portals closely.

What to do if the portal is down

If the platform is temporarily unavailable, especially near a deadline when traffic is high, wait and retry rather than searching for an alternative link, which is how taxpayers are lured onto phishing sites. The NRS has at times extended office hours to support compliance, so in-person or official helpdesk support is another route when the system is overloaded. Keep evidence of your attempts to file, such as screenshots, and never route a payment through an unofficial channel just because the official site is busy.

How to verify everything is genuine

Access the platform only through the NRS official website, confirming the address yourself, and make payments solely through the official in-portal channels into government accounts. The NRS does not ask for your password or an OTP by phone or email, and it does not sell tax clearances for private cash. Lookalike domains and messages promising to settle your tax cheaply are scams. When a message creates urgency or asks for credentials, verify independently through the official site before acting, rather than clicking the link it provides.

Practical tips

Keep your financial records organised throughout the year so filing is quick and accurate when the time comes. Confirm the current portal and your migrated login well before a deadline, not on the final day when support lines are busiest. Use the official templates for any schedules you prepare offline, and double-check the figures before uploading. Save every filing acknowledgement and payment receipt, since these support future Tax Clearance Certificate requests. And treat the move to Rev360 as a prompt to verify your details are correct in the new system, rather than assuming everything carried over perfectly. If you use a tax consultant, grant them access through the platform controlled-access feature rather than sharing your own login, so you keep ownership of your profile while they help you file. File a little ahead of the deadline whenever you can, both to avoid last-minute portal congestion and to leave room to correct any error the system flags. Keep a running folder of your filing acknowledgements and payment receipts year on year, since a complete record makes future filings, clearance requests and any queries from the authority far simpler to handle.

SabiGuide is an independent guide and is not affiliated with any government agency. Fees, links and steps can change — always confirm on the official portal before you act. This is general information, not legal or financial advice.