Best E-Invoicing Provider in Nigeria

Secure & Compliant e-Invoicing

Trusted Digital Certificate for FIRS e-Invoice Compliance

Advintek’s e-Invoice Digital Certificate ensures your electronic invoices and business documents are securely authenticated, digitally signed, and protected against tampering. Designed to support Nigeria’s e-Invoicing ecosystem, the solution helps businesses meet regulatory, security, and audit requirements while enabling trusted digital transactions.

Digital Trust for Every Invoice

Ensure Your e-Invoices Meet Regulatory Standards with Robust Digital Certificates

Advintek’s e-Invoice Digital Certificate guarantees that electronic documents are legally valid, authenticated, and securely transmitted. Whether you operate locally or engage in cross-border transactions, our digital certificates establish trust, integrity, and non-repudiation—supporting alignment with Nigerian regulatory and tax requirements.

Your Trusted Partner in e-Invoicing

Why E-Invoice Digital Certificate?

Advintek is a compliance-driven e-Invoicing provider delivering secure digital certificate solutions to safeguard your documents and support end-to-end regulatory trust in Nigeria.

Legal Validity and Authentication

Ensures electronic invoices and documents are legally binding and authenticated, supporting enforceability in business transactions.

Compliance with Regulatory Standards

Designed to align with Nigerian tax, record-keeping, and e-Invoicing requirements, including expectations of the Federal Inland Revenue Service (FIRS).

Enhanced Security and Data Protection

Protects invoices and sensitive data through encryption and digital signing, preventing unauthorized access or alteration.

Seamless Integration with Existing Workflows

Integrates smoothly with existing e-Invoicing, ERP, CRM, and business workflows with minimal operational disruption.

Boosts Confidence in Business Relationships

Strengthens trust with customers, partners, and stakeholders by providing verified and authenticated electronic documents.

Real-Time Analytics and Secure Archiving

Supports monitoring and secure storage of digitally signed documents to aid audits, compliance checks, and reporting.

OUR HAPPY CLIENTS

Join with thousand people who already trust us

Our clients are at the heart of everything we do. We pride ourselves on building lasting relationships and providing exceptional service to individuals who appreciate the finer things in life.

“We needed a legally valid digital signature solution that integrates with MyInvois and QuickBooks — Advintek delivered.”
CFO Healthcare Services Provider
“They took the time to understand my unique financial situation, patiently answered all my questions, and designed a comprehensive financial plan that addressed my long term”
Shelby Baldwin Co-Founder & CMO Buzzbassador
“Digital certificates used to be confusing. Advintek simplified everything with their dashboard and compliance mapping.”
Group IT Manager Manufacturing Enterprise
“They tailored a personalized investment strategy that aligned perfectly with my risk tolerance and long term objectives. Thanks to their expertise and continuous support”
Kate Barton Founder and CEO at Adecxen

E-Invoice Digital Certificate Features

Explore Advintek’s secure and regulatory-ready digital certification capabilities for Nigerian businesses.

Legally Binding Documentation

Ensures electronic invoices and records are legally recognized and admissible for business and audit purposes.

Digital Signature Capability

Enables secure digital signing of invoices and documents to confirm authenticity and integrity during transmission.

Regulatory Compliance

Supports adherence to Nigerian tax regulations and e-Invoicing compliance requirements.

Protection Against Tampering

Safeguards documents against unauthorized modification, ensuring accuracy and reliability.

Seamless Integration

Integrates with existing e-Invoicing platforms and enterprise systems, whether cloud-based or on-premise.

Enhanced Trust and Integrity

Builds confidence among clients, partners, and regulators through verified and authenticated documentation.

Flexible Deployment Options

Available in cloud and on-premise configurations to suit different IT environments.

Flexible Deployment

Offers cloud and on-premise options, allowing businesses to choose the best fit for their needs.

Multi-Language and Multi-Currency Support

Supports global and cross-border operations with multi-language and multi-currency capabilities.

Key Facts

Your Trusted Digital Identity for Secure e-Invoicing in Nigeria

Ensure every e-Invoice you issue is digitally signed, encrypted, and protected with a trusted digital certificate.

Legal Compliance

Supports legal recognition of electronic documents in business transactions.

01
Digital Signatures

Provides secure digital signatures for document authenticity and integrity.

02
Regulatory Adherence

Aligned with Nigerian tax and regulatory expectations for electronic records.

03
Data
Encryption

Protects sensitive invoice data during transmission and storage.

04
Tamper Prevention

Prevents unauthorized changes to electronic documents.

05
Workflow Integration

Integrates easily with existing invoicing and business systems.

06
Document Verification

Enhances trust through verified and authenticated invoices.

07
Currency Support

Facilitates secure invoicing across multiple currencies for global operations.

08

Insights & Innovations

Explore Our Blogs

Automated invoicing system

Leveraging AI, Automation & Cloud to Cut Costs and Accelerate Invoicing

In​‍​‌‍​‍‌​‍​‌‍​‍‌ a world that puts digital first, companies are quickly moving away from manual billing processes and embracing AI-powered invoicing systems that promote accuracy, decrease expenses, and facilitate the flow of cash. The use of traditional invoicing, which is usually associated with spreadsheets, manual checks, and repetitive data entry, not only makes the work of […]

How to Get Your Business Ready for the IRAS e-Invoicing Requirement

Singapore has ushered in a new era of digital tax with the national GST e-invoicing regulation. From November 2025, businesses that are GST-registered will have to transmit their e-invoice data directly to the Inland Revenue Authority of Singapore (IRAS) over InvoiceNow, which runs on the worldwide Peppol network. Knowing how to upload e-Invoices to the […]

Major organization in Asia

Challenge: Our client sought to comply with the National Tax Office eReceipts regulation, which mandated the issuance of electronic receipts for all transactions, while streamlining its billing processes and enhancing customer satisfaction. Solution: We implement a comprehensive eReceipts solution that integrated seamlessly with its existing systems including point of sales, billing, ERP, e-commerce application and […]

A regional financial services provider handling high-volume invoicing across multiple subsidiaries

Challenge: The client was managing a complex invoice ecosystem with data coming from several systems, billing engines, customer portals, and manual adjustments. Errors such as duplicate submissions, mismatched amounts, and missing references created reconciliation delays, impacted reporting accuracy, and complicated compliance tracking with the IRBM’s eInvoice mandate. They needed a way to monitor real-time invoice […]

A multi-location wholesale and distribution business operating across Southeast Asia

Challenge: The client issued thousands of invoices monthly across various entities and jurisdictions. With the introduction of Malaysia’s eInvoice mandate, they needed a way to not only submit invoices in compliance with LHDN but also store them securely in a digital format, retain records for audits, and ensure easy retrieval for customer service and tax […]

Structuring e-Invoice Workflows for Multi-Tenant Property Management

Handling invoices for multi-tenant properties is quite multifaceted. From tenants to service vendors and regulatory bodies, property managers have to deal with a lot, which makes e-invoicing vital for compliance, accuracy, and efficiency. Having a defined workflow helps in the smooth processing of transactions, minimizing manual errors, and quickening the pace of financial processes. This […]