SISI Billing ProGST · Inventory · Reports
BUILT FOR INDIAN MSMEs

Billing that keeps your business in control.

Create professional GST invoices, monitor stock, collect payments and understand your numbers from one secure workspace.

Start 7-day trial for ₹1Explore features
Razorpay mandate authorisation required · Cancel before the first monthly debit · Mobile friendly
ONE OPERATING SYSTEM

From invoice to insight

01

GST Billing

Tax invoices, bill of supply, quotations, proforma and delivery challans.

02

Parties & Payments

Customer and supplier ledgers, partial payments and professional receipts.

03

Products & Stock

SKU, HSN/SAC, GST rates, opening stock, adjustments and low-stock alerts.

04

Purchases & Expenses

Purchase bills, supplier dues and expense tracking in one workflow.

05

Business Reports

Sales, tax, receivables, expenses, stock and profitability summaries.

06

Teams & Audit

Role-based staff access and a permanent activity trail.

SIMPLE PLANS

Start small. Scale when ready.

₹1 trial activation today. Your selected monthly fee starts after 7 days through the Razorpay mandate you authorise.

STARTER

₹499/month

One user, standard invoices, inventory and essential reports.

BUSINESS

₹1,999/month

Branches, warehouses, advanced permissions and higher limits.

Start 7-day trial for ₹1