Invoicing Software
Invoicing software from €500 with setup in 1-2 days. Our invoicing software automates the entire process — from creating quotes and proforma invoices to issuing, sending, and tracking payments. Integration with tax authorities for e-invoicing, automatic VAT journal generation, multi-currency support, and mobile access. Unlike SaaS solutions, we have no monthly per-user fees.
Key Features
- Electronic Invoices
Create, send, and track invoices with 1 click. PDF and email automatically.
- Tax Authority Integration
Automatic VAT journal generation, annual reports, and filing with tax authorities.
- Payment Tracking
Automatic reminders for overdue invoices and status of every payment.
- Bank Integration
Automatic bank reconciliation and payment import.
What is Invoicing Software?
Invoicing software from €500 with setup in 1-2 days. Our invoicing software automates the entire process — from creating quotes and proforma invoices to issuing, sending, and tracking payments. Integration with tax authorities for e-invoicing, automatic VAT journal generation, multi-currency support, and mobile access. Unlike SaaS solutions, we have no monthly per-user fees.
Invoicing Software by Saitami is a customized solution designed entirely for your business processes. Unlike off-the-shelf SaaS solutions, you get software that works exactly the way your business requires — no compromises and no monthly license fees.
We develop with modern technologies (React, Next.js, .NET, PostgreSQL) and guarantee scalability, security, and easy maintenance. Every module can be added or modified at any time without requiring a complete system replacement.
Benefits for Your Business
Save 10+ Hours Monthly
Automated invoicing eliminates manual data entry and errors.
Faster Payments
Your clients pay on average 2x faster with automatic reminders.
No Monthly Fees
One-time investment. Unlimited invoices and users.
100% Tax Compliant
Meets all legal requirements for electronic invoicing.
How we build Invoicing Software
We work in stages with demos every 2 weeks — you see progress in real time.
Business Analysis
We interview key users, map processes, and define requirements. 1-2 weeks.
UX/UI Design
We create prototypes and visual design — you approve before development starts.
Architecture
Technology selection, database design, API structure, and infrastructure plan.
Agile Development
2-week sprints with demos at the end. You see real progress, give feedback.
Testing & QA
Automated tests, manual QA, performance tests, and security audit.
Launch & Support
We deploy, train your team, and provide SLA support from €200/mo.
Bulgarian Regulatory Compliance
Our software fully complies with Bulgarian legislation and regulatory requirements.
Trusted by 50+ companies in Bulgaria
Why custom software instead of SaaS?
Off-the-shelf solutions seem cheap at first, but monthly fees add up. With custom software you invest once and own forever.
- ✗ Does not adapt to your processes
- ✗ Vendor lock-in — your data is with them
- ✗ Limited integrations
- ✗ You pay for features you do not use
- ✓ 100% adapted to your processes
- ✓ You own the code and data
- ✓ Unlimited integrations via API
- ✓ Unlimited users
Frequently Asked Questions
From €500 for a one-time license fee. No monthly payments or per-user fees.
Yes, we integrate with all popular accounting programs via API.
Yes, full support for e-invoicing, VAT journals, and automatic filing.
Who is Invoicing Software for?
We work with businesses from all industries. Here are some sectors where we have experience:
Related Solutions
Accounting Software
Accounting software for invoicing, tax reports, VAT declarations, and financial analysis.
ERP System
Complete ERP system for business process management — finance, inventory, production, HR, and sales in one platform.
CRM System
CRM system for customer management, sales, and marketing automation.