GST billing and invoicing, made simple.

Create GST invoices in seconds, keep customers and stock in one place, and see how your business is doing – from any browser or your Windows PC.

Everything you need to bill with confidence

BillAssist covers the everyday work of a small business, without the clutter.

GST invoices

Automatic CGST, SGST and IGST on every line, live totals while you type, printable PDF invoices and easy cancellation.

Customer management

Keep GSTIN, billing and shipping addresses and contact details for every customer, ready for the next invoice.

Inventory & units

Maintain your item list with units, rates and tax, and spot low stock on your dashboard before it becomes a problem.

Dashboard & reports

Sales tiles, a six-month sales chart and recent invoices at a glance. Run reports by date range and export to CSV.

Tally export

Send your sales invoices to Tally so your accountant never has to type them again.

AI assistant

Ask questions about your business in plain language and get answers from the assistant built into BillAssist.

Explore the full feature list →

Get started in three steps

No complicated setup.

Get your company registered

A BillAssist administrator or dealer registers your company and gives you your administrator login.

Add customers and items

Enter your customers, units and items once. BillAssist remembers them for every invoice.

Start billing

Create invoices, download the PDF, and follow your sales on the dashboard.

Why businesses choose BillAssist

Web and Windows

Use it in the browser, or install the desktop app. Same screens, same rules.

Your data, your choice

Keep data in the cloud, or on your own PC with the desktop app's local mode.

Role-based access

Administrators manage users and settings. Everyone else sees only what they need.

Frequently asked questions

Does BillAssist create GST-compliant invoices?

Yes. BillAssist calculates CGST, SGST and IGST for each invoice line based on your state and your customer's state, and produces a printable PDF invoice.

Can I use BillAssist on the web and on Windows?

Yes. You can sign in from any browser, or use the BillAssist Windows desktop app. Both offer the same screens and rules.

Can I keep my data on my own computer?

Yes. The desktop app can keep your business data in a local database on your own PC, or in the cloud, depending on how your company was set up.

Does BillAssist work with Tally?

BillAssist can export your sales invoices to Tally so your accountant does not have to re-enter them.

Can my staff use BillAssist with limited access?

Yes. The company administrator can add users, and administration screens such as users and settings are available to administrators only.