Simplify Your Billing Process

Billing Fast makes it easy for retailers to create invoices, manage inventory, and accept online orders—quickly and effortlessly.

50,000+

Happy Businesses

₹40Cr+

Invoices Generated

4.8/5

Customer Rating

GST Billing Software in Mumbai

Mumbai businesses deal with complex GST requirements—multiple tax slabs, interstate sales, e-invoicing mandates. BillingFast handles all this automatically so you can focus on running your business.

Why Mumbai Businesses Need GST-Compliant Billing

Maharashtra has the highest GST collection in India. Mumbai businesses are under constant scrutiny. Whether you're in wholesale at Crawford Market or retail at Linking Road, proper GST invoicing isn't optional—it's mandatory.

The penalties for incorrect GST billing are steep. Wrong HSN codes, missing GSTIN on invoices, incorrect tax calculations—all can lead to notices and fines. BillingFast eliminates these risks with automatic GST compliance.

Quick Fact

Mumbai contributes over Rs 40,000 crore annually in GST. With e-invoicing now mandatory for businesses above Rs 5 crore turnover, digital billing is essential.

GST Features in BillingFast

We've built BillingFast keeping Mumbai's GST requirements in mind:

  • Auto tax calculation: Set product tax rates once. GST calculated automatically on every invoice.
  • HSN code library: Built-in HSN codes for common products. Search and assign easily.
  • CGST/SGST/IGST: Automatic split based on customer location. Interstate sales handled correctly.
  • GSTR reports: Generate GSTR-1, GSTR-3B ready reports. Export to Excel for your CA.
  • E-invoicing ready: Generate IRN for e-invoicing compliance (for applicable businesses).
  • Customer GSTIN: Store customer GSTIN. Auto-populate on B2B invoices.

Business Types We Serve in Mumbai

Wholesale Traders

Crawford Market, APMC Market, Zaveri Bazaar. Wholesale means high-value invoices with complex GST. Track B2B sales, maintain party-wise ledgers, generate proper tax invoices.

Retail Shops

From Colaba to Borivali, retail shops need quick billing with proper GST. Generate B2C invoices with QR code for GST compliance.

Service Providers

Salons, repair shops, consulting firms. Service GST at 18% handled properly. SAC codes for services included.

Manufacturers

Small manufacturing units in Andheri, Jogeshwari area. Track raw material input GST credit, generate proper invoices for output.

Restaurants & Food Business

Restaurant GST at 5% (non-AC) or 18% (AC with ITC). BillingFast handles both scenarios correctly.

Auto GST Calculation

Set tax rates once. Auto calculation on every bill

HSN/SAC Codes

Built-in library for goods and services codes

CGST/SGST/IGST

Automatic split based on transaction type

Barcode Scanning

Camera or Bluetooth scanner. Instant lookup

Inventory Tracking

Real-time stock. Auto reorder alerts

All Payments

UPI, cards, wallets. Split payments

Common GST Mistakes We Prevent

Wrong Tax Rate

Different products have different GST rates—5%, 12%, 18%, 28%. BillingFast stores the rate with each product. No manual errors.

Missing HSN Codes

HSN codes are mandatory for businesses above Rs 5 crore turnover. BillingFast ensures every product has the correct HSN code assigned.

CGST/SGST vs IGST Confusion

Local sales need CGST+SGST. Interstate sales need IGST. BillingFast automatically determines based on customer's state.

Invoice Numbering Errors

GST requires sequential invoice numbering. BillingFast maintains proper sequence automatically. No gaps, no duplicates.

How Much Does It Cost?

Transparent pricing for Mumbai businesses:

Plan Price Best For
Free Trial Rs 0 for 3 days Testing the app
Lite Rs 3,588/year (Rs 299/month) Small shops, single owner
Premium Rs 7,000/year Businesses with GST registration
Ultra Rs 9,999/year E-invoicing, multiple branches

Compare this to hiring staff for manual GST calculation or penalties for wrong invoicing. BillingFast pays for itself.

Getting Started Takes 5 Minutes

  1. Download the app from Play Store (search "BillingFast")
  2. Register and add your GSTIN
  3. Add products with HSN codes and tax rates
  4. Start billing with automatic GST calculation
  5. Export reports for your CA at month end

Support Available

Call us at +91-7976162777. Our team understands GST requirements. We can help you set up correct HSN codes and tax rates for your business.

Try It Free

Download the app, use it for 3 days free. Generate GST invoices, see the reports, verify everything works for your business. Subscribe only if satisfied.

GST Billing Mumbai GST Software Mumbai Tax Invoice Software BillingFast E-Invoicing Mumbai
Billing Fast App Preview

GST Questions from Mumbai Businesses

What is Billing Fast, and who is it for?

Billing Fast is your all-in-one inventory management and billing solution, perfect for busy Indian retailers. Whether you run a single shop or multiple stores, Billing Fast helps you create bills, manage stock, and go online—all from one user-friendly app.

How does Billing Fast differ from traditional billing software?

Many older billing systems are complicated, bulky, and expensive. Billing Fast is fast, simple, and subscription-based, so you never worry about hidden fees or complex setups. Plus, you can send bills via WhatsApp and manage online orders easily—benefits most legacy platforms can’t match.

Why did you rebrand from Kirana Fast to Billing Fast?

We wanted a name that reflects our vision of speed and simplicity and appeals to all retailers, not just kirana shops. “Billing Fast” instantly conveys that we help you bill quickly, no matter what you sell.

Can Billing Fast be used by any type of retail store?

Absolutely! From grocers and boutiques to electronic stores, Billing Fast fits any retailer’s needs. If you have specific requests, let us know—we’re here to support your success.

Is Billing Fast suitable for large enterprises as well as small shops?

Yes, Billing Fast is perfect for small shops and medium-sized businesses (up to about 10–12 branches). For extremely large enterprises, some features may not scale, but for efficient growth, Billing Fast is your best bet.

Do I need any technical background to use Billing Fast?

No. If you can use a smartphone, you can handle Billing Fast. Our interface is designed to be simple and intuitive.

Which platforms or devices can I use to access Billing Fast?

We support iOS, Android, and desktop browsers (Chrome recommended). Download from the Play Store/App Store or use our web app—whichever suits you best.

What languages does Billing Fast support?

Currently, English, Hindi, Marathi, and Gujarati are available, with more languages coming soon to better serve diverse retailers.

Which countries does Billing Fast operate in?

We’re focused on India right now, but we plan to expand internationally. Stay tuned for updates!

What pricing plans do you offer?

We have three flexible plans:

  • Lite (₹3,588/year): Unlimited bills & inventory, GST invoicing, a free online store, 1 admin login.
  • Premium (₹7,000/year): Everything in Lite + AI camera entry, multiple stores, staff management, and loyalty program.
  • Ultra (₹9,999/year): Everything in Premium + white-label APK, custom integrations, and a dedicated account manager.
Do you offer monthly or annual billing options?

Yes! Pay monthly, annually, or even for 5 years at once. We keep it flexible to fit your cash flow.

Can I switch between plans at any time?

You can upgrade anytime. For downgrades, give us a call, and we’ll assist you.

How do I upgrade or downgrade my subscription plan?

Just call our support team, and we’ll handle the process. We want you on the plan that best supports your store.

Is there a free trial available?

Yes! You get a 3-day free trial. After that, you can choose our monthly plan (as low as ₹600/month for Lite) before committing long-term.

What happens if I exceed my plan’s limit?

Paid plans have no invoice limits. Free users can make up to 10 invoices to test features before upgrading.

Do you offer special pricing for nonprofits or schools?

Call our team; we’re happy to discuss custom solutions for worthy causes.

Do you have a money-back guarantee?

We don’t promise refunds, but our free trial and monthly option let you test Billing Fast risk-free. If technical issues arise, we’ll make it right.

How do I sign up for Billing Fast?
  1. Download the app (Play Store/App Store) or visit our website.
  2. Register with your phone number and OTP.
  3. Enjoy your 3-day free trial.
  4. Customize your business settings and start billing!
Do I need special hardware like a barcode scanner or printer?

Mobile/Tablet: No special hardware needed. Send bills via WhatsApp and scan barcodes with your phone’s camera.
Computer: A USB barcode scanner helps if you prefer scanning.
Advanced Accessories: We support weighing scales, cash drawers, etc., for a full POS setup.

Can Billing Fast integrate with my existing POS hardware?

If your POS runs on Windows PC or Android, install Billing Fast directly. Standalone payment terminals aren’t supported, but you can mark offline payments as “Paid”.

Is there a setup guide or tutorials?

Yes! Step-by-step tutorials are in-app, plus more tips on YouTube and Instagram.

How long does setup take?

You can start billing immediately. Add products manually, import via Excel, or use our 200K+ preloaded barcodes.

Is Billing Fast cloud-based?

Yes—it’s fully cloud-based. Use Google Chrome on desktop, with internet connection required (works on slow speeds).

Can I import existing inventory data?

Yes. Export from your old software to Excel, format per our template, and upload—it’s quick and easy.

How do I migrate from another billing system?

Import inventory via Excel. For previous orders, set opening balances manually—no olds bills or ledgers imported.

Is staff training provided?

We offer video tutorials and remote support. Our team is just a call away for any questions.

Does Billing Fast support multiple users and access levels?

Yes! Premium and Ultra plans let you create roles (Admin, Manager, Billing Agent) with tailored permissions.

How does Billing Fast handle discounts, loyalty, or coupons?

Discounts: Apply product-wise or bill-wide in a few taps.
Loyalty: Reward customers with points redeemable instantly.
Coupons: Coming soon!

Which payment methods can I record?

Record cash, card, or UPI transactions. Online payment processing is not direct.

How are returns and refunds handled?

We offer a simple Returns & Exchanges workflow with automatic inventory and ledger adjustments.

Does Billing Fast offer real-time analytics?

Yes—get instant snapshots of daily sales, inventory levels, and outstanding balances.

Can I customize invoices or receipts?

Add your logo and choose templates (2-inch, 3-inch, A5, A4). Custom designs available on request.

Does Billing Fast support multiple store locations?

Yes—Premium and Ultra plans support up to 5 locations, with separate data or stock transfers.

Does Billing Fast work offline?

No—real-time data sync requires internet. Slow connections are handled gracefully.

Does Billing Fast include customer/supplier management?

Yes—track customer details (birthdays, balances) and link suppliers for one-tap reorders.

Can I set partial payments?

Absolutely—accept partial payments anytime, with clear outstanding balances in the ledger.

How does loose item billing work?

Integrate with weighing scales, bill by kg/gram/litre, use predefined weights or value-based entry for quick checkouts.

Can I track credit vs cash sales daily?

Yes—view daily cash collected, credit outstanding, and total sales at a glance.

Does Billing Fast support automated SMS reminders?

Not yet—you can export numbers for third-party tools. Stay tuned for updates!

Does Billing Fast handle multiple GST rates in one bill?

Yes—mix 5%, 12%, 18%, or 28% rates on a single invoice seamlessly.

Does Billing Fast handle staff attendance or commissions?

Attendance: Not yet.
Commissions: Set product margins to calculate staff commissions.

Is negative stock billing allowed?

Yes—sell even if inventory isn’t updated to avoid checkout delays.

Can I print barcodes or labels directly?

Yes—print from mobile with Bluetooth printer or from PC-based barcode printer.

Inventory Management Highlights
  • Multiple Locations: Track inventory for up to 5 stores.
  • Low Stock Alerts: Customizable notifications when stock is low.
  • Variants & Batches: Manage sizes, colors, batch numbers & expiries.
  • Valuation Reports: View stock value vs selling price.
  • Real-Time Sync: All updates reflect instantly.
Does Billing Fast have its own payment gateway?

No—but you can record cash, card, or UPI transactions without extra fees.

Do you connect to my bank automatically?

No direct integration; reconcile deposits/withdrawals manually for clarity.

Does Billing Fast integrate with eCommerce platforms?

We sync your online store (built-in) in real time but don’t directly integrate with Shopify/WooCommerce.

How do UPI refunds work?

Refund via your UPI app, then mark as return/refund in Billing Fast—no double charging.

Do you support recurring payments?

No—manual billing keeps you in full control.

How secure is Billing Fast?

Hosted on Google Cloud, OTP-based logins, and no sensitive payment data stored.

Is Billing Fast GST-compliant?

We don’t generate e-way bills or full e-invoices yet but are enhancing compliance features.

Can I use Billing Fast on slow internet?

Yes—basic connection suffices; reconnect to continue billing if disconnected.

Do you offer a daily closing report?

Yes—get daily sales, payments, and inventory changes for easy reconciliation.

What customer support is available?

Phone support, in-app help, and extensive video tutorials for fast assistance.

Do you have a referral or affiliate program?

Yes—earn incentives by referring others to Billing Fast. Contact our team for details.

Is there a public API?

Not currently. Reach out if you need custom integration—let’s discuss your requirements.

Does Billing Fast support restaurant features?

No—we focus exclusively on retail billing workflows.

When will e-way bills or advanced GST filings be available?

Coming soon! We’re constantly adding features—stay tuned for updates.

Ready for hassle-free GST billing?

Download free. Use for 3 days. No credit card needed.

Download Free App Use on Computer

Talk to Us

Questions about GST setup? Call or WhatsApp.

Email

info@kiranafast.com

Call / WhatsApp

+91-7976162777