Build the systems that keep business moving.
Layer21 helps businesses build scalable software systems while providing secure, compliant e-invoicing infrastructure for modern operations.
Trusted by amazing brands
Submission status
Accepted
NRS Licensed
Service Provider
ISO 27001
Certified
ISO 22301
Certified
FIRS Approved
Partner
NITDA
Approved
NDPC Registered
Data Controller
NRS Licensed
Service Provider
ISO 27001
Certified
ISO 22301
Certified
FIRS Approved
Partner
NITDA
Approved
NDPC Registered
Data Controller
What We Do
Two Core Technology Services.
Layer21 provides enterprise e-invoicing infrastructure and scalable software engineering services for businesses building modern digital operations.
E-Invoicing Infrastructure
We are a trused and accredited Access Point Provider(APP) that facilitate the exchange of Electronic Invoicing between your trading systems through secure APIs, while ensuring these invoices meet the required legal and technical standard.
99.9% acceptance flow
SDaaS
Dedicated software development services for building scalable platforms, internal systems and enterprise-grade business applications.
Dedicated product pods
Additional Services
Supporting infrastructure & integration services
E-Invoicing Infrastructure
We sit between your ERP and the Nigeria Revenue Service, handling validation, encryption, retry logic, and audit-ready receipt storage so your compliance workflow keeps moving.
Layer21 Operations Cockpit
Invoices validated
2,000
Success rate
99.9%
ERP connectors
4+
Recent activity
INV-8841
2 sec ago
INV-8840
4 sec ago
INV-8839
10 sec ago
INV-8838
20 sec ago
ERP connections
Active
Retry queue
17
Automated retries protect submissions when downstream systems slow down.
E-Invoicing Process
A complete e-invoicing solution designed for Nigerian businesses.
Submit Invoices Directly to NRS
Transmit invoice data to the Nigerian Revenue Service instantly through our platform. Every submission is validated in real time and returned with a unique Invoice Reference Number (IRN).
Automated QR Code Generation
Generate compliant QR codes automatically for every invoice. Customers can scan and instantly verify invoice authenticity, status, and NRS compliance.
Real-Time Invoice Status Tracking
Keep invoice records synchronized throughout their lifecycle. Payment confirmations and status updates are automatically reported to NRS, ensuring accurate and up-to-date compliance records.
Advanced Reporting & Audit Trails
Gain complete visibility into your invoicing activity with detailed reports, submission histories, payment records, and full audit trails, everything you need for monitoring, reconciliation, and compliance verification.
Why Layer21
Built for businesses that need reliable digital infrastructure
We combine enterprise-grade software engineering with secure e-invoicing infrastructure to help businesses operate more efficiently and scale confidently.
99.9%
Infrastructure uptime
24/7
Enterprise support
7 yrs
Audit-ready archiving
6+
ERP connector paths
Compliance ready
Built to support secure and compliant e-invoicing operations for modern businesses.
Scalable infrastructure
From startups to enterprise systems, Layer21 scales with your operational growth.
Fast integrations
Connect ERPs, accounting systems, and APIs without rebuilding your workflow.
Enterprise support
Dedicated technical support, onboarding assistance, and long-term infrastructure guidance.
SDaaS pod
Senior product capacity without a hiring sprint.
How we work
Get a dedicated product team at fraction of the cost.
Build, launch, and scale your software with a flat monthly subscription. Work with senior developers, designers, and product specialists without the overhead of hiring in-house. Submit unlimited requests and keep your roadmap moving.
See PricingSubscribe & submit requests
Choose a plan and start submitting product, development, or maintenance requests right away.
Deliver High-quality Software
We design, build, test, and deploy high-quality solutions with speed and precision.
Continuous improvement
Receive ongoing support, rapid iterations, and unlimited revisions. We refine, optimize, and enhance your software until it meets your goals.
Stay informed
E-invoicing news
Regulatory updates, platform improvements, and insights to keep your business ahead of every compliance deadline.
Pricing
Flexible engagement models built around your business
Every organization has different compliance, infrastructure, and development needs. These models give you a clear starting.
E-Invoicing Access Point
Secure Accredited Access Point for NRS Submission
A tailored infrastructure quote based on invoice volume, ERP stack, compliance requirements, and SLA needs.
Starting model
On Request / Quote
NRS-accredited real-time invoice validation
ERP connectors for Odoo, SAP, Oracle, QuickBooks, and Sage
Encrypted invoice submission and auto-retry queue
End-to-end audit trail and 7-year archive
Invoice dashboard and compliance reporting
Sandbox environment and onboarding support
Software Development as a Service
Dedicated Engineering and Product Development
A flexible software development partnership for organizations that need custom software, system integrations, ongoing engineering support, and long-term product development.
Starting model
On Request / Quote
Dedicated software engineering resources
Web, mobile, and enterprise application development
API development and systems integration
Product maintenance and continuous improvements
Architecture consulting and technical leadership
SLA-backed support and long-term partnership
Get Started
Build modern business infrastructure with Layer21
From compliant e-invoicing systems to scalable software development, we help businesses build reliable digital operations.
Contact
Ready to build reliable digital infrastructure?
Tell us what you are building, integrating, or automating. We will help you map the right next step.
About Layer21
Layer21 helps organizations build, integrate, and scale digital infrastructure. From custom software and automation to enterprise integrations and compliance solutions, we deliver reliable systems that support growth.