FIRS e-invoicing made simple for businesses
Stay compliant. Stay audit-ready. Operate without disruption. Duplo helps businesses meet these requirements without building complex integrations or slowing down operations.
Designed for businesses that are already
Issuing invoices
Receiving & making payments
Managing expenses & approvals
Preparing for audits & tax reviews
Why businesses choose Duplo
Built for Nigeria’s regulatory environment
Designed to align with FIRS requirements and local compliance expectations from day one.
No complex or heavy integrations to manage
Works seamlessly with existing workflows without long implementation cycles or technical overhead.
Secure, enterprise-grade financial infrastructure
Protects sensitive financial data with robust security, controls, and reliability standards.
Clear visibility across invoices and payments
Gives teams real-time insight into invoice status, payment activity, and financial records.
What you can do with Duplo
Create or upload invoices that meet FIRS requirements, validate them, and submit seamlessly, all from one platform.
Approved invoices include the required Invoice Reference Number (IRN), cryptographic stamp, and QR code, making them verifiable and defensible.
See which invoices are in draft, submitted, approved, or rejected — without chasing updates or emails.
All invoices, actions, and updates are logged, searchable, and accessible when you need them
Duplo supports the broader financial operations that surround e-invoicing
This helps businesses stay compliant as operations scale.
Structured payment workflows
Traceable records for deductions & remittances
Approval & expense controls
Reporting foundations that support tax filings & audits
Built to integrate and share data with your finance tech stack
Got questions? We've got answers
Why is spend management important?
Spend management allows you to see and control every spend, no matter where it’s spent. Increased visibility into your expenses helps you make informed choices to better manage your cash flow.
Can I set budgets for every spend category?
Yes, you can. You can also set restrictions so that the budget cannot be exceeded, per category.
Can I create my categories or am I restricted to what is available?
You can create your own categories that suit your business. There is no limit on how many expense categories you can create.
How secure is Duplo’s Expense Management product?
All financial information on Duplo is encrypted and stored according to ISO 27001-compliant standards. ISO 27001 is the leading international standard focused on information security, jointly published by both the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It is the highest possible standard one can use to ensure the safety and security of information. Additionally, all transmission to our banking partner and on our site is via an encrypted 256-bit HTTPS SSL connection.
What support do you provide?
Our customer support team is available to help you every step of the way via your preferred method- email, live chat, call, or WhatsApp.
Can I connect Duplo to expenses on my accounting software?
Yes, you can connect your to expenses on your accounting software to aid your reconcilliation. However, this is only available as a custom request, contact our team to discuss this.