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Seamless E-Invoicing System Integration with FIRS Merchant Buyer Solution (FIRSMBS)

Nigeria’s Federal Inland Revenue Service (FIRS) has rolled out the Merchant Buyer Solution (FIRSMBS / eInvoice), a new mandatory system designed for the electronic generation, validation, and exchange of invoices. The goal of FIRSMBS is to ensure that every invoice is pre-validated by FIRS before it reaches buyers, hence boosting transparency, reducing fraud, and enhancing tax compliance for all businesses. Greytrix Africa has created a comprehensive end-to-end solution that seamlessly integrates Sage ERP systems with FIRSMBS, making sure your invoicing process is not only compliant but also efficient and fully automated.

Who Needs a FIRS E-invoicing Solution?

Businesses of all sizes, whether large, medium, or small, that are registered for VAT in Nigeria

Companies utilizing Sage ERP (like Sage X3 or Sage 300) and seeking to streamline their compliance processes

Organizations engaged in B2B, B2C, or B2G transactions.

Firms aim to minimize manual errors, avoid rejections, and eliminate delays.

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Benefits of E-Invoicing in Nigeria with Sage ERP Software
(Sage X3 | Sage 300)

Regulatory Compliance

Stay fully compliant with FIRS pre-clearance rules and invoice standards.

Data Accuracy

Automatic validation checks to help prevent rejections.

Real-Time Processing

Generate and submit invoices on the go, reducing delays.

Audit Trail & Traceability

Benefit from a unique Invoice Reference Number (IRN) and QR codes for secure transactions.

Operational Efficiency

Streamline your workflows, eliminate manual submissions, and reduce overhead costs.

Secure & Scalable

Robust API integration with encryption and scalability for enterprises and SMEs alike.

What Makes Greytrix Africa's FIRSMBS E-Invoicing Solution Apart

Pre-Validation Automation

Invoices created in your Sage ERP are automatically validated against the FIRS schema (JSON / XML) and sent for approval through FIRSMBS, eliminating the need for manual adjustments.

ERP Connector & Integration

We offer pre-built connectors for Sage X3 and Sage 300, tailored to fit your business logic and FIRS requirements seamlessly.

Unique Reference & QR Code Support

Each valid invoice is assigned an IRN, and for relevant B2C transactions, a QR code is included so buyers can easily verify its authenticity.

Compliance Monitoring & Updates

As FIRS revises its guidelines or data schemas, Greytrix Africa ensures your solution stays updated, keeping you compliant at all times.

Error Prevention & Data Integrity

We perform automatic checks for required fields, format compliance, duplicate invoice detection, and schema adherence before any submission.

Full Support from Onboarding to Go-Live

Our support encompasses a comprehensive range of services, from readiness assessments and API setup to sandbox testing, user training, production deployment, and ongoing assistance after going live.

Why Partner with Greytrix Africa for
FIRS E-invoicing

Partnering with Greytrix Africa means working with a team that possesses an in-depth understanding of FIRS regulations and Nigeria’s evolving tax environment. Greytrix Africa ensures your business achieves seamless e-invoicing compliance with efficiency and precision, with proven success in implementing Sage ERP (Sage X3, Sage300) integrations across Africa. Our pre-built frameworks enable quick implementation, while our robust support and training programs empower your finance and operations teams to manage the system confidently. Backed by a secure, scalable architecture, our solution is designed to handle high transaction volumes and protect sensitive financial data, ensuring your business remains compliant, connected, and future-ready.

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Unraveling
Your Queries

FIRSMBS stands for the Federal Inland Revenue Service Merchant Buyer Solution. It's a digital platform designed for creating, validating, and sending e-invoices, ensuring they are authentic and compliant with tax regulations.
Yes. Every business registered for VAT must issue invoices that have been validated and pre-approved through the FIRS Merchant Buyer Solution before sharing them with customers.
Greytrix Africa provides smooth integration for Sage X3 and Sage 300, streamlining your entire invoicing process.
We offer comprehensive support that includes everything from implementation and training to testing, compliance updates, and assistance after going live, ensuring your operations run smoothly.
Yes, indeed! The Greytrix Africa e-invoicing connector is designed to handle multi-company, multi-branch, and multi-currency operations effortlessly.

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