Please note
Belmadeng is an independent study platform and is not affiliated with the FIRS / Nigeria Revenue Service (NRS). This is general information, not tax or legal advice — for your situation consult a qualified tax professional. From 1 January 2026 the Federal Inland Revenue Service (FIRS) became the Nigeria Revenue Service (NRS); use only the official portals (nrs.gov.ng and taxpromax.gov.ng), and confirm current rates and rules there.
What TaxProMax is
TaxProMax (taxpromax.gov.ng) is the mandatory NRS digital platform for all federal tax filings — VAT, Company Income Tax, WHT and PAYE remittance — where you register, file returns and pay.
What you need first
An active TIN. If your TIN isn’t live on the system, the portal will reject your registration — so confirm your TIN is active before you start.
How to register & file
- Go to taxpromax.gov.ng (via nrs.gov.ng — not the old FIRS URL).
- Register your profile using your active TIN, and verify your email promptly (the link expires quickly).
- File the relevant returns (e.g. monthly VAT, annual CIT) and pay through the portal.
E-invoicing
Electronic invoicing (fiscalisation) is being rolled out in phases — large taxpayers first, then medium and small businesses — with B2B/B2G invoices cleared in real time. Check whether it currently applies to you.
Common mistakes
- Trying to register before your TIN is active.
- Using the old FIRS URL or a sponsored/look-alike link.
- Missing the email verification window.
Tips
- Activate your TIN first.
- Access the portal only via the .gov.ng domain.
- Keep your filing receipts.
What TaxPro-Max is
TaxPro-Max is the tax authority's online platform for tax administration — where registered taxpayers register for taxes, file returns, generate payment references, pay, and access records in one place. It's the day-to-day tool for compliance with federal taxes (VAT, CIT, WHT and more). To use it you need your TIN and login credentials. As the NRS modernises, expect the platform and its integrations to evolve, so rely on the current version and guidance on the official portal rather than older screenshots or third-party walkthroughs.
E-invoicing and fiscalisation
A major reform-era development is e-invoicing / VAT fiscalisation: the NRS is rolling out a system requiring businesses (particularly those above the VAT threshold) to issue invoices through an NRS-mandated electronic system, so transactions are captured in real time. Implementation is phased, with timelines being finalised, so if you run a VAT-registered business, watch official NRS announcements for when and how it applies to you. Getting your invoicing and record-keeping ready early makes the transition far smoother than scrambling once your phase begins.
Avoiding common mistakes
A few habits prevent the usual filing headaches on the platform. Keep your taxpayer details and TIN accurate so filings attach correctly; reconcile your figures (sales, input VAT, WHT credits) before submitting; file on time, since penalties for late filing are firm; and keep clean records as your proof and your defence in any review. If you're unsure how a return should be completed under the new tax law, get proper advice rather than guessing — and use only the official platform and payment channels.
Frequently asked questions
What is TaxProMax?
The mandatory NRS digital platform (taxpromax.gov.ng) for all federal tax filings in Nigeria — VAT, Company Income Tax, WHT and PAYE remittance.
Do I need a TIN before using TaxProMax?
Yes — you need an active TIN; if it isn’t live on the system, the portal will reject your registration.
What is the TaxProMax URL?
taxpromax.gov.ng — access it via the official nrs.gov.ng domain, not the old FIRS URL or sponsored links.
What can I file on TaxProMax?
Federal taxes — VAT, Company Income Tax, Withholding Tax and PAYE remittance — plus payments.
Is e-invoicing required?
Electronic invoicing is being phased in (large taxpayers first, then medium and small businesses) — check whether it currently applies to you.
What is TaxPro-Max?
The tax authority's online platform for tax administration — where registered taxpayers register for taxes, file returns, generate payment references, pay, and access records in one place. It's the day-to-day tool for federal-tax compliance (VAT, CIT, WHT and more), and you need your TIN and login to use it.
What is e-invoicing / VAT fiscalisation?
An NRS system requiring businesses (particularly those above the VAT threshold) to issue invoices through an NRS-mandated electronic system, capturing transactions in real time. Implementation is phased with timelines being finalised, so VAT-registered businesses should watch official NRS announcements for when it applies.
How do I file taxes on TaxPro-Max?
Log in with your TIN and credentials, then register for the relevant taxes, complete and file the returns, generate a payment reference and pay, all on the platform. Reconcile your figures before submitting, file on time, and rely on current official guidance rather than older walkthroughs.
How do I avoid mistakes when filing?
Keep your taxpayer details and TIN accurate so filings attach correctly, reconcile your figures (sales, input VAT, WHT credits) before submitting, file on time (late penalties are firm), and keep clean records as your proof. Get proper advice if unsure how a return works under the new law.
Do I need to prepare for e-invoicing now?
If you run a VAT-registered business, yes — getting your invoicing and record-keeping ready early makes the phased rollout far smoother than scrambling once your phase begins. Watch official NRS announcements for your timeline.
Related tax guides
Get a TIN · VAT filing · Filing & deadlines · All tax guides · New tax law 2026
Reviewed: 22 Sept 2026 · Author: Belmadeng Editorial. Independent guide, not affiliated with the FIRS/NRS, and not tax advice. Tax rates, thresholds and rules change — always confirm on the official NRS channels or with a tax professional.