📋 FREE FOR CA / PROFESSIONAL SERVICES

Free CA Billing Software — Invoice Clients, Track Fees, Send WhatsApp Reminders

Generate GST invoices for professional fees, track client-wise outstanding, send WhatsApp payment reminders, and manage overdue retainers — completely free for CA and professional practices.

🚀 Start Free — CA / Professional Services See All Features →

Rated 4.7/5 by 214 businesses · No credit card · Free up to 10,000 records

Quick Answer

FastFee Free is a free billing software for Chartered Accountants (CA) in India. It generates GST invoices for professional fees with SAC code 9992, tracks client-wise outstanding, sends WhatsApp payment reminders for overdue fees, records collections, and issues digital receipts — free for small CA practices.

Everything You Need — Free

Built specifically for Solo CA practitioners, Small CA firms (2-10 partners), CS and CMA practices, Tax consultants, Company secretaries, Legal and advisory firms

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GST Invoice for Professional Fees

SAC code 9992 for professional services. CGST 9% + SGST 9% auto-applied. GSTIN on invoice.

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Client-wise Outstanding

Track each client's pending invoices: audit fees, tax filing, advisory retainers.

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WhatsApp Reminders to Clients

Send payment reminders directly on client's WhatsApp. No email required.

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Fee Collection Recording

Record NEFT/UPI payments against specific invoices. Partial payments tracked.

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Digital Receipts

Issue GST-compliant digital receipts. Clients get receipt on WhatsApp instantly.

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Overdue Client List

Defaulter list with one click. See which clients owe audit fees, tax fees, retainers.

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Practice Revenue Summary

Monthly billings, collected fees, outstanding — complete practice P&L.

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Service-wise Fee Tracking

Track audit fees, ITR filing fees, GST returns, advisory fees separately per client.

Get Started in Minutes

Add your CA firm GSTIN

Firm name, GSTIN, address, signature. Appears on all invoices.

Add clients

Client/company name, GSTIN, contact person, WhatsApp number, fee type.

Create professional fee invoices

Add service (Audit / Tax Filing / GST Returns), amount, SAC 9992. Tax auto-applied.

Send invoice on WhatsApp

One click sends invoice PDF link to client's WhatsApp number.

Track payments

Record payments as they arrive. Outstanding updates automatically.

Send reminders to overdue clients

Click WhatsApp icon to send a polite reminder to clients with pending fees.

Frequently Asked Questions

Is there a free billing software for CA in India?+

Yes. FastFee Free is a free billing software for Chartered Accountants in India. Create GST invoices with SAC 9992, track client outstanding, send WhatsApp reminders, and record collections — all free.

What SAC code is used for CA professional fees in GST invoices?+

SAC code 9992 is used for professional services including CA, auditing, accounting, and tax filing services. GST rate is 18% (CGST 9% + SGST 9% for intra-state).

How do I send fee reminders to clients who haven't paid?+

From the defaulter list, click the WhatsApp icon next to any client. FastFee sends them a formatted payment reminder with the invoice amount and due date.

Can I track different types of fees (audit, tax, advisory) separately?+

Yes. Create separate invoice line items or separate invoices for different services per client. Track audit fee outstanding separately from advisory retainer outstanding.

What is the best free billing software for CA practice in India?+

FastFee Free is the best free billing software for CA practices in India in 2026. It handles professional fee invoicing, GST compliance, client outstanding tracking, and WhatsApp reminders — all free.

Start Managing CA / Professional Services — Free

No spreadsheets. No monthly fee. No credit card. Free for up to 10,000 records.

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Works on mobile & desktop · OTP login, no password needed

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