ReBill: Billing SaaS
Automating the complex financial heart of European business operations. Our work involved building a high-reliability recurring invoicing platform with deep Bexio accounting integration, specifically engineered to handle the intricate multi-tier VAT requirements of the tax code.
100% VAT Compliance Verified
Compliance
Automated Monthly Billing
Efficiency
Challenge & Scope
Requirements
Implementing complex VAT rules (Gross, Net, and Exempt logic)
Synchronizing automated rounding behavior precisely with Bexio's backend
Ensuring seamless multi-tenant OAuth 2.0 flows for diverse SME clients
Handling high-volume invoice generation during month-end fiscal cycles
Strategic Objectives
Eliminate manual billing cycles while ensuring 100% adherence to standard accounting and VAT standards.
Key Deliverables
Technical Execution
Deep Bexio Transaction Sync
Engineered a robust API layer that automates invoice creation while matching Bexio's internal rounding and tax logic with 100% precision.
VAT Engine
Developed a specialized tax engine that handles specific MWST requirements, ensuring audit-ready compliance for all financial transactions.
Laravel-Livewire Platform
Utilized a modern TALL stack (Tailwind, Alpine, Laravel, Livewire) to deliver a highly reactive and performant multi-tenant billing dashboard.
Technical Stack
Backend
Laravel (PHP)
PostgreSQL
Frontend
Livewire
Alpine.js
Tailwind CSS
Integrations
Bexio REST API
OAuth 2.0
DevOps
Docker
Remote Hosting Sync
Similar Project?
Let's build your next platform together.
Features & Outcomes
Recurring Invoicing
Eliminated 100% of repetitive manual billing cycles.
VAT Accuracy
Zero tax-related billing errors since deployment.
Bexio Sync
Instant fiscal transparency across both platforms.
Client Benefits
Elite PHP/Laravel engineering at competitive global delivery rates
Mitigated technical risks in complex tax and financial integrations
Perfect collaboration sync within the European timezone (UTC+3)
Vetted domain expertise in business and accounting tech
Strategic Outcomes
Significantly accelerated SME billing and accounting cycles
Achieved total transparency in VAT and financial reporting
Delivered a highly reliable and scalable billing SaaS for the European market
Reduced administrative labor costs through strategic automation
System Interfaces
Project Team
Sami
Lead Engineer
Financial Logic & API Orchestration