Invoicing Software for CA, CS & Tax Firms —Get Paid Faster with Professional Invoices
Generate GST-compliant invoices from accepted proposals with one click. Track payments, send reminders, and manage recurring billing — all integrated with your proposal and client management workflow.
Updated July 2026
The Problem — Why Firms Struggle with Invoicing & Billing
The Solution — PracticeStacks Invoicing & Billing
Purpose-built for CA, CS & Tax firms in India.
One-Click from Proposal
Generate an invoice directly from an accepted proposal. Services, pricing, and client details are pre-filled — zero data entry.
GST-Compliant Format
Invoices include GSTIN, HSN/SAC codes, tax breakdowns, and all fields required for GST compliance.
Recurring Invoices
Set up recurring billing for monthly GST filing, quarterly compliance, or annual retainer clients. Invoices go out automatically.
Payment Tracking
Mark invoices as paid, partially paid, or overdue. See outstanding receivables across your entire firm at a glance.
Payment Reminders
Automated WhatsApp + Email reminders for overdue invoices. Clients get a link to view the invoice and pay.
Branded Invoices
Every invoice carries your firm's logo, colors, and branding. Professional invoices build trust and prompt faster payments.
How It Works
Proposal Accepted
Client accepts and e-signs your proposal. Invoice is auto-generated with all engagement details.
Send Invoice
Send branded, GST-compliant invoice via Email + WhatsApp. Client gets a direct link to view and pay.
Track & Collect
Monitor payment status across all clients. Automated reminders for overdue invoices until payment is received.
FAQs about Invoicing & Billing
Are invoices GST-compliant?
Yes. Invoices include your GSTIN, client GSTIN, HSN/SAC codes, CGST/SGST/IGST breakdowns, and all fields required by GST law.
Can I set up recurring invoices?
Yes. For clients on monthly GST filing, quarterly compliance, or annual retainers, you can set up recurring invoices that go out automatically.
Does it connect to my proposal?
Yes. When a client accepts a proposal, you can generate an invoice with one click. Services, pricing, and client details are pre-filled from the proposal.
Success Stories
Trusted by Reputed Firms
Early firms are already running proposals, compliance and billing on PracticeStacks with precision and speed.
"We used to spend more than an hour on each proposal. Now it takes 10 minutes. The templates are professional and our clients have noticed the difference."
CA Mohseen Shaikh
Partner, A N Gawade & Co LLP
"The compliance tracking alone is worth the subscription. No more Excel sheets, no more missed deadlines. It's transformed how we manage our practice."
CS Yunus Shaikh
Company Secretary, Corporate Compliance
"Finally, a tool built by people who understand our profession. The professional engagement letters give us confidence in every client relationship."
CA Vishal Agrawal
Chartered Accountant, Agrawal & Associates
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