GST-ready invoicing, inventory tracking, multi-payment support and detailed reports — tailor-made billing software built around how your business actually works. Fast, secure and easy to use.
From small shops to multi-branch enterprises — we build the right billing software for your industry, workflow, and budget.
Fast POS billing with barcode scanning, GST invoices, multiple payment modes, customer ledger and daily sales reports for retail stores.
Starting ₹15,000Complete GST-compliant invoicing with stock management, purchase, sales, e-way bill, GSTR reports and multi-location support.
Starting ₹25,000Table management, KOT, menu billing, room charges, split bills, waiter app and kitchen display system integration.
Starting ₹20,000Patient billing, medicine inventory, prescription tracking, batch/expiry management and doctor commission reports.
Starting ₹22,000Bulk invoicing, party-wise ledger, credit/debit notes, route sales, van billing and outstanding follow-ups for distributors.
Starting ₹30,000Centralized billing across branches, role-based access, consolidated reports, cloud sync and custom approval workflows.
Starting ₹50,000Every billing system we build is packed with powerful features that simplify invoicing, track inventory, and grow your business.
Auto-generate GST invoices, tax-inclusive/exclusive bills, e-invoice ready and GSTR-1 export support.
Real-time stock tracking, low-stock alerts, batch/expiry, purchase orders and multi-warehouse support.
Cash, UPI, card, cheque, credit/debit notes, partial payments and online payment gateway integration.
Complete customer/supplier accounts, outstanding statements, credit limits and payment reminders.
Sales, purchase, profit/loss, tax, inventory and day-end reports with export to Excel/PDF.
Access your billing from phone or any browser. Cloud sync, offline mode and multi-user access.
Barcode scanning, label printing, thermal receipt printers and custom invoice templates.
User roles, permissions, audit logs, data backup and secure login for team members.
Our proven 6-step process delivers a custom billing system that fits your business perfectly — on time and on budget.
Deep-dive into your idea, users, and business goals.
UX wireframes and interactive prototypes for approval.
Pixel-perfect designs with your brand colors and style.
Develop core billing, inventory, GST and payment modules.
Test invoices, stock, tax calculations and multi-user scenarios.
Installation, staff training, go-live and ongoing support.
Transparent pricing for every business size. All packages include installation, training and 6 months free support.
We leverage the world's most powerful mobile development frameworks, cloud services, and tools to build exceptional apps.
15+ years of experience. 80+ billing systems delivered. We combine technical excellence with deep domain knowledge to deliver software that fits how your business actually works.
Real feedback from businesses running their billing on GK Web Technologies solutions.
"GK Web built our GST billing software in just 2 weeks! Invoices, stock and GSTR reports work perfectly. Billing time cut by half. Highly recommend!"
"Our restaurant billing with KOT and table management is excellent. Staff learned it in one day. Daily reports and WhatsApp sharing are a big help."
"Professional team and excellent support. They built our clinic billing with medicine stock, batch tracking and patient billing. Saves us hours every day!"
Common questions about our billing software development services.
A simple app takes 2–4 weeks. A medium-complexity business app takes 4–8 weeks. Enterprise apps with complex features take 2–4 months. We share a detailed timeline in our project proposal after the initial consultation.
Yes! We develop native Android (Kotlin/Java), native iOS (Swift), and cross-platform apps using Flutter and React Native. Flutter is our most popular choice as it delivers both Android and iOS apps from a single codebase, saving cost and time.
Absolutely. You get 100% ownership of the source code upon final payment. No lock-ins, no recurring fees. The code is yours to keep, modify, or hand over to any developer in the future.
Yes, app store submission is included in all packages. We handle the developer account setup (or use yours), prepare store listings, screenshots, descriptions, and manage the entire review and approval process for Google Play Store and Apple App Store.
We provide free bug-fix support for 6–12 months after launch (depending on package). Beyond that, we offer affordable annual maintenance plans. Our team is reachable via WhatsApp, phone, and email for any queries.
Yes, we regularly take up app enhancement projects. Share your existing app details and the features you want to add — we'll review the code, provide a quote, and deliver the updates with proper testing.
Turn your billing needs into a powerful, GST-ready system. From retail shops to multi-branch enterprises — we handle everything. Join 80+ businesses already running on GK billing solutions.
Tell us about your billing software idea and we'll share a detailed proposal with timeline and pricing within 24 hours.
Free consultation · No commitment required. We're based in Guntur, AP and serve businesses pan-India and globally.
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