About 1nvoice
Philippines'
exclusive
BIR-accredited
EIS provider.
1nvoice was built to solve the most critical compliance challenge facing Philippine businesses today — electronic invoicing. We hold the actual BIR accreditation certificate and serve over 200 large taxpayers, exporters, and e-commerce companies.

Clients Served
200+
BIR Accredited
Our Mission
Make BIR compliance
invisible to your business.
1nvoice was founded on a simple principle: Philippine businesses should be able to focus on growth, not paperwork. With RR 011-2025 mandating electronic invoicing for thousands of businesses, we built the most reliable, non-disruptive compliance platform in the country.
We are non-partisan — we work with whatever system you already have. SAP, Oracle, NetSuite, Microsoft, or any other platform. Our job is to add compliance without taking anything away from your operations.
Compliance-First
Every feature we build starts with BIR compliance requirements. We stay ahead of regulatory changes so you never have to.
Non-Disruptive by Design
Our middleware architecture was designed from day one to integrate without replacing. Your existing systems stay intact.
Philippine Business Expertise
Our team understands the Philippine tax environment deeply — BIR, COA, PHILGEPS, PEZA, and the specific needs of every mandated sector.
0+
Clients Served
Large taxpayers, exporters, e-commerce
0
Industries Covered
All mandated sectors under RR 011-2025
0%
BIR Compliance Rate
Zero penalties for 1nvoice clients
0 days
Average Go-Live
From assessment to live BIR transmission
Downloadable Resources
Everything you need
to understand compliance.
1nvoice Product Brochure
Complete overview of all 1nvoice products, features, and integration capabilities.
RR 011-2025 Compliance Guide
Step-by-step guide to understanding your obligations under Revenue Regulation No. 011-2025.
EIS Implementation Checklist
Everything you need to prepare for a smooth 1nvoice implementation — IT, finance, and compliance checklist.
Large Taxpayer Compliance Deck
Executive presentation covering BIR mandate requirements for large taxpayers under LTS.
Partner With Us
Join 200+ Philippine businesses
already compliant.
The BIR deadline is December 31, 2026. Let our team handle your entire EIS implementation — from assessment to go-live.
Kapitolyo, Pasig City, PH 1603