How to Register Your Business for Tax in Nigeria: A Step-by-Step Guide
Tax registration used to be a headache. Separate applications. Multiple IDs. Confusing processes.
Not anymore.
Big changes arrived on January 1, 2026. Your RC Number is now your Tax ID. No separate TIN application. No extra cards. No juggling multiple numbers.
The system is simpler. But you still need to know the steps.
Let me walk you through exactly how to register your business for tax in Nigeria under the new rules.

What is tax compliance?
According to Appalachian State University’s accounting program, tax compliance means legally meeting one’s tax responsibilities. To be compliant, businesses must understand what taxes apply to them, correctly calculate their tax obligations, file required returns on time, and pay any taxes they owe.
In Nigeria, tax compliance became even more critical after four major tax reform laws were passed in June 2025. These reforms simplify tax collection, reduce the burden on compliant businesses, and create a more transparent system.
Proper tax compliance is not just a legal matter. It affects your financial health, long-term success, and industry reputation.
2025-2026 tax reforms: what changed
On June 26, 2025, President Bola Ahmed Tinubu signed four tax bills into law. The Nigeria Tax Act. The Nigeria Tax Administration Act. The Nigeria Revenue Service (Establishment) Act. The Joint Revenue Board (Establishment) Act.
These laws took effect on January 1, 2026. This is the most comprehensive overhaul of Nigeria’s tax system in decades.
Simplified tax identification system.
Expanded small company benefits.
Introduction of the Development Levy.
Nigerian companies, except small companies, will pay a Development Levy at 4% of their assessable profits. This levy consolidates the Tertiary Education Tax, Information Technology Levy, NASENI levy, and Police Trust Fund levy.
Enhanced digital compliance requirements.
The new law requires a mandatory fiscalisation system and e-invoicing with real-time validation via the Merchant Buyer Solution. VAT invoices must include your business registration number and sequential numbering.
Step-by-step guide to tax registration
Now, let me walk you through the complete process.
Step one: Register your business with CAC.
Before you can register for tax, you must have a legally registered business entity.
Visit the CAC portal at https://services.cac.gov.ng. Choose your business structure, such as sole proprietorship, partnership, or limited liability company. Complete the online registration form. Please submit the required documents, including the memorandum and articles of association and identification documents. Pay the registration fees. Receive your RC Number upon approval.
Important note: With the 2026 reforms, your RC Number automatically serves as your Tax ID. This eliminates the need for separate TIN registration for incorporated businesses.
Step two: Obtain your TIN for pre-2026 registrations.
If your business was registered before the reforms took effect, you still need to obtain a TIN.
Visit the Nigeria Revenue Service website or the designated tax office. Complete the TIN application form. Provide valid identification such as National ID, International Passport, or Driver’s License. Provide a utility bill or proof of address. Submit your CAC certificate, Memorandum, and Articles of Association. Submit your application online or at the nearest tax office. Receive your TIN certificate within 5 to 10 working days.
For 2026 and beyond, when you open a business account, you provide your RC Number. That same number covers both your business registration and tax compliance. The transition is automatic on the government’s side.
Step three: Register for Value Added Tax.
If your business deals in taxable goods or services, you must register for VAT.
Complete the VAT registration form on the NRS portal. Provide your TIN or RC Number. Submit your business registration documents. Specify the nature of your business activities.
Nigeria Tax Act 2025 Goes into Effect on Jan 1, 2026.
Step four: Register for PAYE if you have employees.
If you have employees, you must register for PAYE to deduct and remit income tax from salaries.
Visit the State Internal Revenue Service office where your business operates. Complete the PAYE registration form. Provide your certificate of incorporation, TIN certificate, list of employees, and the company’s memorandum and articles of association. Receive your PAYE registration number.
The new law introduces a tax exemption for employees earning ₦800,000 or less annually. Progressive rates apply to higher income brackets. The tax rate ranges from 0% to 25%.
Step five: Register for Withholding Tax.
Businesses making certain types of payments must deduct and remit WHT.
Apply through the NRS portal. Provide your business registration documents. Submit your TIN or RC Number. Specify the types of transactions your business conducts.
On February 24, 2025, FIRS issued a circular detailing guidelines for implementing the WHT Regulations 2024. These became effective for transactions from January 1, 2025. WHT applies to companies, partnerships, statutory and non-statutory bodies, unincorporated persons, and non-resident persons involved in transactions requiring tax deduction at source.
Step six: Register for VASP compliance if applicable.
For businesses dealing with digital or virtual assets, additional registration is required.
The Act mandates all taxable persons involved in services related to exchange, custody, or management of virtual assets through Virtual Asset Service Providers to file their tax returns. Any VASP that fails to comply will have their licence suspended or revoked by the SEC and must pay an administrative penalty of ₦10,000,000 for the first month of default and ₦1,000,000 for each subsequent month.

Important compliance requirements after registration
Once you have completed your tax registration, ongoing compliance is essential.
Company Income Tax. File annual tax returns within 6 months after your financial year end. Pay provisional tax in instalments. Maintain proper accounting records.
Value Added Tax. File monthly VAT returns. Remit collected VAT to NRS. Implement mandatory e-invoicing system with real-time validation.
PAYE. Deduct tax from employee salaries monthly. Remit to State Internal Revenue Service within 10 days of the following month. File annual returns.
Withholding Tax. Deduct WHT at the point of payment. Remit within 21 days. Issue WHT certificates to beneficiaries. File monthly returns.
Digital compliance and record keeping.
Under the new tax regime, digital compliance is mandatory. Implement accounting systems capable of e-invoicing. Set up real time VAT reporting. Maintain electronic recordkeeping. Ensure your ERP systems align with NRS requirements.
The harmonisation of Nigeria’s disparate tax landscape while embracing digital modernisation is an innovative feature of the Tax Laws. Successful implementation will largely depend on judicial clarity on potential constitutional questions and robust infrastructure.
Source: Afriwise. Tax Administration in Nigeria – A Review of the 2025 Nigerian Tax Reform Laws. https://www.afriwise.com/blog/tax-administration-in-nigeria—a-review-of-the-2025-nigerian-tax-reform-laws
Penalties for non-compliance
Understanding consequences helps motivate proper registration and ongoing compliance.
Failure to register for tax attracts fines and potential business closure. Late filing of returns incurs interest charges and penalties. Under declaration of income brings penalties plus interest on tax owed. Failure to remit deducted taxes can lead to criminal prosecution in severe cases. VASP non-compliance costs ₦10 million initial penalty and ₦1 million monthly thereafter.
Benefits of proper tax registration and compliance
Proper tax registration offers numerous advantages.
Legal protection. Operating with proper tax registration protects your business from legal issues, fines, and potential closure.
Access to government contracts. Many government tenders and contracts require tax compliance certificates before you can bid.
Easier access to financing. Banks and investors often require proof of tax registration and compliance before extending credit or investment.
Business credibility. Tax compliance demonstrates financial responsibility and builds trust with stakeholders, customers, and partners.
Tax incentives and benefits. Compliant businesses can access various tax incentives, exemptions, and deductions under Nigerian tax law.
Simplified operations. With the new unified TIN system using your RC Number, business operations become significantly more streamlined.
Tips for smooth tax registration and compliance
Engage professional help. Consider hiring a tax consultant or accountant familiar with Nigerian tax laws, especially during the transition to the new system.
Keep accurate records. Maintain detailed financial records from day one. This makes tax filing and compliance much easier.
Invest in technology. Implement accounting software that can handle e-invoicing, real time reporting, and electronic recordkeeping.
Plan for the transition. Review your current tax structure and prepare your systems for the changes.
File and pay on time. Set up calendar reminders for all filing and payment deadlines to avoid penalties.
Understand your tax category. Determine if your business qualifies as a small company under the new threshold to take advantage of available exemptions.
Special considerations for different business types
Small companies.
If your business has an annual turnover of ₦100 million or less and fixed assets below ₦250 million, you qualify as a small company. However, the Nigeria Tax Act 2025 provides a 0% CIT rate for small companies but explicitly excludes sectors such as professional service providers. Companies must carefully assess their sector classification and income composition. Mixed operations or engagement in excluded industries could forfeit eligibility.
Professional service providers.
Legal, accounting, medical practices, and other professional services do not qualify for small company exemptions regardless of turnover. They must pay applicable taxes.
Foreign companies.
Non-resident companies supplying goods or services in Nigeria must register for VAT and comply with withholding tax requirements.
Free Trade Zone entities.
Where to start tomorrow
Do not wait for deadlines to approach.
Register your business with CAC first if you have not already. This is your foundation.
Understand the new rules. Your RC Number is now your Tax ID. This simplifies everything.
Check if you qualify as a small company. The new threshold of ₦100 million turnover and ₦250 million fixed assets is generous. Many businesses will qualify for the 0% CIT rate.
Implement e-invoicing. The mandatory fiscalisation system is coming. Get your systems ready now.
Talk to a professional. Tax registration is straightforward. But mistakes are costly. Get expert help.

Final word
Tax registration in Nigeria just got simpler.
Your RC Number is now your Tax ID. No separate TIN application. No extra cards. No juggling multiple numbers.
But the new system also brings stricter digital requirements. E-invoicing is mandatory. Real-time reporting is required. Penalties for non-compliance are severe.
The reforms also bring relief. Small companies pay 0% CIT. Employees earning under ₦800,000 pay no tax. The system is more transparent.
Do the registration right the first time. Keep your records clean. File on time. Stay compliant.
Your business will thank you.
CALL TO ACTION
Need Expert Assistance with Your Business Tax Registration?
Navigating Nigeria’s evolving tax landscape can be complex, especially with the major reforms that took effect in 2026. Don’t leave your business compliance to chance.
Stonehill Research provides comprehensive tax advisory and business registration services to help you.
Complete your tax registration correctly the first time. Understand which tax categories apply to your business. Implement digital compliance systems for the new e-invoicing requirements. Maximise available tax exemptions and incentives. Ensure ongoing compliance with all filing and payment obligations. Navigate the transition to the new unified tax system.
Why Choose Stonehill Research?
Deep Regulatory Knowledge. We understand the new tax laws and how they affect your business.
Practical Implementation Support. We do not just advise. We help you implement compliant systems.
Proven Track Record. We have helped hundreds of Nigerian businesses register for tax and maintain compliance.
Ongoing Advisory. Tax compliance is not one-time. We stay with you through the journey.
Contact Us Today
Let our experienced team guide your business through seamless tax registration and compliance, positioning you for success in Nigeria’s modernised tax environment.
📧 Email: info@stonehillresearch.com
📞 Phone: +234 802 320 0801
📍 Address: 5, Ishola Bello Close, Off Iyalla Street, Alausa, Ikeja, Lagos
Schedule Your Consultation Today. Take the first step toward stress-free tax compliance.
Stonehill Research – Your Trusted Partner in Tax Compliance and Business Registration
REFERENCES
Appalachian State University Online. Understanding Tax Compliance for Accountants. https://onlineprograms.appstate.edu/blog/tax-compliance-for-accountants/
Kuda Business Help Centre. Your Business Tax ID: What’s Changing in 2026. https://business-support.kuda.com/en/articles/13254344-your-business-tax-id-what-s-changing-in-2026
Anaje Olumide Oke Akinkugbe. Taxation of Small Companies Under the New Tax Regime as 2026 Approaches: Overview of Key Areas of Interest. https://ao2law.com/taxation-of-small-companies-under-the-new-tax-regime-as-2026-approaches-overview-of-key-areas-of-interest/
PwC Nigeria. Corporate – Significant Developments. https://taxsummaries.pwc.com/nigeria/corporate/significant-developments
SafeGuard Global. Nigeria Tax Act 2025 Goes into Effect on Jan 1, 2026. https://www.safeguardglobal.com/resources/blog/nigeria-tax-act-2025/
Afriwise. Tax Administration in Nigeria – A Review of the 2025 Nigerian Tax Reform Laws. https://www.afriwise.com/blog/tax-administration-in-nigeria—a-review-of-the-2025-nigerian-tax-reform-laws
Baker Tilly Nigeria. Nigeria’s 2025 Tax Reform Acts Explained: Key Changes, Business Impact. https://www.bakertilly.ng/insights/nigerias-2025-tax-reform-acts-explained
EY Global. Nigeria Tax Act, 2025 has been signed – highlights. https://www.ey.com/en_gl/technical/tax-alerts/nigeria-tax-act-2025-has-been-signed-highlights
Chambers and Partners. Corporate Tax 2025 – Nigeria | Global Practice Guides. https://practiceguides.chambers.com/practice-guides/corporate-tax-2025/nigeria/trends-and-developments
PwC Nigeria. The Nigerian Tax Reform Acts. https://www.pwc.com/ng/en/publications/the-nigerian-tax-reform-acts.html


There are no comments