Since the NRS made e-invoicing mandatory, the question for Nigerian finance teams has changed from “do we have to comply?” to “which platform should we use?” More than 1,000 large taxpayers had onboarded by the first quarter of 2026; the 31 July 2026 deadline for large taxpayers has passed, and the NRS has begun enforcement. Medium taxpayers are next. Every business must connect to the NRS Merchant Buyer Solution (MBS) through an NRS-accredited Systems Integrator (SI) or Access Point Provider (APP), and the wrong choice can delay your go-live and leave your team matching payments to invoices by hand.

This guide covers ten accredited platforms, starting with Duplo, which builds NRS e-invoicing directly into the same platform finance teams use for payments, collections, and reconciliation.

SI vs APP: What Is the Difference?

A Systems Integrator connects your ERP, accounting, or invoicing system to the NRS platform and converts your invoices into the required format. An Access Point Provider handles the secure transmission of invoice data between your business and the NRS. Some providers hold both accreditations, so one provider can handle the full chain.

Where the NRS E-Invoicing Rollout Stands

Taxpayer category	Annual turnover	Go-live	Enforcement
Large	₦5 billion and above	November 2025	Deadline 31 July 2026 (passed)
Medium	₦1 billion to ₦5 billion	1 July 2026	Expected January to March 2027
Emerging	Below ₦1 billion	1 July 2027	From 2028

Timeline as set out in the NRS public notice of 17 February 2026. Confirm current dates with the NRS before you plan.

The 10 NRS E-Invoicing Platforms in Nigeria

1. Duplo

Accreditation: Systems Integrator and Access Point Provider
Best for: Enterprises, mid-market businesses, and SMEs that want compliance built into their daily financial operations.

Duplo holds both NRS licences, so invoices are generated, validated, digitally signed, and transmitted to the MBS from inside the platform. Every invoice carries a valid Invoice Reference Number (IRN) before it reaches your customer. Duplo’s NRS e-invoicing API is also live, so businesses can connect their ERP, accounting system, or in-house billing software and send invoices to the MBS straight from the systems they already use. What sets Duplo apart is what happens next. The same invoice connects to payment collection through payment links and virtual accounts, so when a customer pays, the payment is matched to the invoice automatically and posted to QuickBooks or Sage. Add bulk vendor payments, expense approvals, and multi-bank treasury visibility, and e-invoicing becomes one part of a connected financial operating system rather than another standalone tool.

Customers notice the difference. Adedayo Obatola, Group Managing Director at Turret Group, says: “Creating tax-compliant invoices became so much easier for us, and keeping our books organised is now completely automatic.”

Duplo is also CBN-licensed, PCI DSS certified, ISO certified, and NDPC-registered, which matters when an invoicing tool sits next to your payment flows.

2. Interswitch

Accreditation: Systems Integrator and Access Point Provider
Best for: Large organisations that want ERP integration or a manual upload portal for bulk invoices.

Interswitch supports ERP integration and offers a portal where businesses can upload invoices in bulk using Excel templates.

3. DigiTax

Accreditation: Systems Integrator and Access Point Provider
Best for: Businesses with existing ERP or accounting systems such as SAP or Sage.

DigiTax, developed by Namiri Technology, integrates with existing financial systems and offers a dashboard for generating compliant invoices.

4. Afri Invoice

Accreditation: Systems Integrator and Access Point Provider
Best for: Businesses that prioritise security certification.

Afri Invoice is ISO/IEC 27001 certified and handles validation, digital signing, and transmission for connected systems.

5. Doftwerks

Accreditation: Systems Integrator and Access Point Provider
Best for: Businesses that want tax advisory alongside integration.

Doftwerks pairs accredited transmission infrastructure with an in-house tax advisory practice.

6. OlivePay

Accreditation: Systems Integrator and Access Point Provider
Best for: Businesses connecting ERP, accounting, and POS systems.

OlivePay offers implementation, system integration, sandbox testing, and managed advisory support.

7. Remita

Accreditation: Access Point Provider
Best for: Businesses that already have an integration partner and need the transmission stage.

Remita handles secure transmission to the NRS and works alongside integrators in the compliance chain.

8. Pillarcraft

Accreditation: Systems Integrator
Best for: Organisations with complex ERP environments.

Pillarcraft’s UsawaConnect middleware links ERP and accounting systems to the MBS.

9. Heirs Technologies

Accreditation: Systems Integrator
Best for: Large enterprises that need wider technology services.

A subsidiary of Heirs Holdings, Heirs Technologies combines e-invoicing integration with cloud and managed services.

10. Upperlink

Accreditation: Systems Integrator
Best for: Institutions and corporates that need custom integration.

Upperlink designs, deploys, and supports invoicing systems for connection to the NRS platform.

Why the Platform You Choose Matters Now

Non-compliance has a direct cost. Under Section 104 of Nigeria’s tax laws, failing to process a taxable supply through the fiscalisation system carries a penalty of ₦200,000, plus 100% of the tax due and interest at the CBN Monetary Policy Rate. Separately, Section 103 sets a penalty of ₦1 million for the first day, and ₦10,000 for each day after, when a business fails to allow the NRS to deploy its technology within 30 days of notice.

There is also a commercial risk. Buyers can only reclaim input VAT on invoices cleared through the MBS, so customers have a reason to move to suppliers that are compliant. A slow or fragile integration delays your go-live, and every week of delay is a week of exposure.

What a Good NRS E-Invoicing Platform Should Do

• Generate invoices in the prescribed structured format with all mandatory data fields.
• Validate and digitally sign each invoice before it is sent.
• Transmit to the MBS and return a valid IRN for every invoice.
• Check supplier invoices for a valid IRN, since you should only accept compliant invoices.
• Keep a complete audit trail of every transmission.
  

How to Choose the Right NRS E-Invoicing Platform

Four questions will narrow the list quickly.

Does the provider hold the accreditation you need? A provider with both SI and APP accreditation means one contract and one point of accountability.

Does it work with your current systems? Check support for your ERP or accounting software before you commit.

Does it connect to the rest of your finance workflow? An invoice that is compliant but disconnected from collections and reconciliation still leaves your team matching payments by hand.

Is it secure and well supported? Look for security certifications, data protection compliance, and local support.

Accreditation status changes, so confirm any provider on the NRS approved service providers directory before you sign.

The Path Forward

The e-invoicing mandate is not going away, and the gap between businesses that are ready and those that are not will widen as medium and emerging taxpayers come into scope. The platform you choose now will shape how much manual work your finance team carries for years, so choose for the whole workflow, not just the compliance step.

Duplo gives Nigerian businesses NRS-compliant e-invoicing inside the platform they already use to collect, pay, and reconcile. Click here to speak with a member of our team today.

Frequently Asked Questions

What is an NRS e-invoicing platform?
It is software from an NRS-accredited Systems Integrator or Access Point Provider that generates, validates, and transmits your invoices to the NRS Merchant Buyer Solution.

Do I need both an SI and an APP?
You need both functions covered. Some providers, including Duplo, hold both accreditations, so one provider can handle the full chain.

Who must comply with NRS e-invoicing?
Compliance is phased by turnover. Large taxpayers with ₦5 billion and above have passed their 31 July 2026 deadline. Medium taxpayers went live on 1 July 2026, and emerging taxpayers follow in 2027.

Are PDF invoices compliant?
No. Invoices must be structured files validated through the MBS and carry a valid IRN.