BillTrio

What is BillTrio?

BillTrio helps Indian freelancers and agencies create GST-compliant invoices fast, without spreadsheet chaos or manual tax calculations. It auto-detects CGST, SGST, and IGST, validates GSTINs, and helps you send polished branded PDFs in minutes. You can track payments, send reminders on WhatsApp and email, and export invoice data for GSTR-1 filing in portal-ready formats. It also supports multi-currency billing, client and GSTIN management, recurring invoices, quotations, project tracking, and team workflows for agencies. The product is built to make invoicing easier, keep you compliant, and help you get paid faster.

Key features

• Auto-calculates CGST, SGST, and IGST for each invoice.
• Exports invoices in GST portal-ready JSON or Excel.
• Sends automated WhatsApp and email payment reminders.
• Validates GSTINs and fills client details automatically.
• Creates branded PDF invoices with professional templates.
• Supports multi-currency billing and recurring invoice workflows.