GST billing & business management
Run your entire business from one app. No accountant required.
Invoicing, inventory, GST filing, payments, and customer communication — on the web or on your phone.
Everything your business needs, in one place
GST invoicing
CGST/SGST/IGST/Cess auto-calculated — generate and share an invoice over WhatsApp in seconds.
Sarthi, the AI assistant
Ask "Aaj kitna sale hua?" or "Who owes me the most?" in Hindi or English — no dashboards to dig through.
WhatsApp bot & invoicing
Invoice customers over WhatsApp, and let the bot answer their queries automatically.
Inventory & multi-warehouse
Stock management across multiple warehouses, built in.
GST filing
GSTR-1 and GSTR-3B auto-filing and compliance tooling.
CA portal
An accountant manages many clients' books from one login, with live access — no more emailed spreadsheets.
AI assistant
Meet Sarthi
Ask a question in Hindi or English and get an answer pulled from your live business data — no dashboards to dig through.
Try asking
Built for your industry
Retail
Multi-store inventory and sales.
Restaurant
Dine-in, takeaway, KOT, and real-time reports.
Medical / Pharmacy
Patient invoicing and medicine stock.
Manufacturing
BOM, raw materials, and finished goods.
Services
Project and payment tracking, professional invoices.
Wholesale
Bulk orders, discounts, GST invoices.
Chartered Accountants
Multi-client practice management.
See it in action
From the first invoice to a bill of materials — the same app, as it runs at app.brihatbooks.com.
GST invoicing — CGST and SGST split out as you type the line
Plans that grow with you
Free
Up to 50 GST invoices/month, 1 user, basic GST billing, email support.
Pro
Unlimited GST invoices, 5 users with role permissions, full inventory and multi-godown, GSTR-1 & GSTR-3B auto-filing, WhatsApp invoicing and UPI payments, priority support. 7-day free trial.
Enterprise
Everything in Pro, unlimited users and branches, multi-branch consolidation, API access, dedicated account manager.
Questions
Do I need an accountant to use it?
No — the product is built so a business owner with no accounting background can run invoicing, inventory, and GST compliance themselves.
Does it work in Hindi?
Yes — Sarthi, the AI assistant, answers questions in Hindi or English.
Is there a free plan?
Yes — up to 50 GST invoices a month, one user, on the Free tier.
Can my CA access my books?
Yes — the CA portal gives your accountant live access to your data from their own login, across all their clients.