Standard ERPNext is powerful. Customised ERPNext is transformative. Our certified team extends ERPNext to match your exact workflows — without compromising future upgrades.
# Server Script — on_submit # DocType: Production Order def on_submit(doc, method): # Industry-specific logic if doc.custom_heat_weight == 0: frappe.throw( "Heat weight required" ) create_quality_entry(doc) notify_dispatch_team(doc)
Standard ERPNext covers the requirements of many growing businesses, but every organization eventually develops workflows that cannot be handled through configuration alone. The challenge is deciding how to extend ERPNext without creating future upgrade problems. Many implementation partners customize core ERPNext files, making future upgrades expensive and risky. Quantbit follows an upgrade-safe architecture where every customization is developed as an independent Frappe application. This approach keeps the ERPNext core untouched, simplifies version upgrades, reduces long-term maintenance costs, and allows businesses to continue adopting new ERPNext releases without rebuilding their custom functionality.
Discover how Quantbit designs ERPNext customisations that remain compatible with future ERPNext releases without modifying core files.
Quantbit's customisation work spans every layer of ERPNext — from the fields a user sees on screen to the logic that runs when they submit a document.
Add industry-specific fields, hide irrelevant ones, reorder layouts, add conditional visibility, and create linked child tables — all upgrade-safe.
Multi-level approvals, role-based state machines, email notifications, and escalation logic built within ERPNext's workflow engine.
Script reports, query reports, and dashboards that give your management team exactly the numbers they need — replacing external BI tools.
Invoice layouts, delivery challans, purchase orders, and any document template — pixel-perfect to your brand and statutory requirements.
Business logic triggered on document events — auto-calculations, validations, field fetch, cross-document updates — in Python and JavaScript.
Connect ERPNext to your e-commerce store, payment system, logistics partner, banking feed, or any external platform via REST or webhook.
When ERPNext configuration and customisation are no longer enough, Quantbit develops complete Frappe applications that extend ERPNext with entirely new business capabilities while remaining fully upgrade-safe.
Explore Quantbit's portfolio of industry-specific ERP products including FoundryX, FleetX, MachineX, SugarX and other vertical applications developed on the Frappe Framework.
Every industry has unique workflows, compliance requirements, and operational challenges. Quantbit has successfully delivered ERPNext implementations, customisations, and Frappe applications across multiple sectors, helping businesses automate complex processes with scalable, upgrade-safe solutions.
Heat-wise production, alloy traceability and casting operations.
Manufacturing, BOMs, production planning and quality control.
Inventory, procurement and multi-warehouse operations.
Batch traceability, compliance and quality management.
Fleet operations, vehicle maintenance and dispatch.
Projects, costing, contracts and milestone billing.
Procurement, crushing, by-products and farmer management.
Production, inventory and order fulfilment.
POS, online sales, inventory and customer management.
Projects, billing, CRM and resource planning.
From foundries and manufacturers to logistics, retail, pharma and IT, Quantbit develops ERPNext solutions tailored to industry-specific business processes with scalable, upgrade-safe architecture.
Every Indian business has compliance requirements that extend beyond standard ERP functionality. Quantbit develops upgrade-safe ERPNext customisations that automate GST, e-Invoicing, e-Way Bills, TDS, payroll compliance and statutory reporting. Our solutions are built for GST-registered businesses across Mumbai, Pune, Hyderabad, and Bengaluru, helping organisations reduce manual effort, improve reporting accuracy and simplify regulatory compliance while keeping ERPNext ready for future upgrades.
Quantbit develops ERPNext customisations that align with India's evolving statutory requirements while maintaining an upgrade-safe Frappe architecture. Whether your business requires advanced GST workflows, payroll compliance, tax reporting, or automated statutory documentation, every customisation is designed to integrate seamlessly with ERPNext without modifying core files.
India compliance is a standard consideration in every ERPNext implementation engagement, ensuring businesses remain compliant as regulations evolve. Learn more about our ERPNext implementation services →
Talk with Quantbit's ERPNext specialists about GST automation, payroll compliance, statutory reports, e-Invoicing, e-Way Bills, and other compliance workflows tailored for Indian businesses.
Every ERPNext customisation project is different. Some businesses only require a few additional fields and validation rules, while others need complete Frappe applications with APIs, dashboards, portals and third-party integrations. Quantbit follows a transparent scoping process that identifies technical complexity before development begins, ensuring realistic timelines, predictable pricing and upgrade-safe architecture. With 50+ in-house Frappe developers, we can deliver projects ranging from quick customisations to enterprise-scale ERPNext development without relying on outsourced freelancers.
Field-level changes, custom DocTypes, workflows, or complete standalone Frappe applications.
REST APIs, government portals, payment gateways, WhatsApp, IoT devices, and third-party SaaS platforms.
Custom Script Reports, analytics dashboards, KPIs and executive reporting requirements.
Fixed Scope, Monthly Retainer, Annual AMC or continuous product development.
Standard delivery or accelerated execution using a dedicated development pod.
Quantbit's 50+ in-house developer capacity means your project is never outsourced to freelancers or third-party contractors. The same engineering team that designs and develops your ERPNext customisation also provides post-deployment support, Annual Maintenance Contracts (AMC), enhancements, and future upgrades—ensuring continuity, faster response times, and long-term product ownership.
Share your requirements with our ERPNext specialists and receive a detailed scope, technical recommendation, and transparent quotation within 48 hours.
Successful ERPNext customisation is more than writing code. Every project follows a structured methodology that validates business requirements, selects the right technical architecture, minimises upgrade risk, and ensures long-term maintainability. From discovery workshops through deployment and post-go-live support, Quantbit follows a repeatable engineering process designed for reliable ERPNext development.
Every engagement begins with stakeholder workshops and business process discovery. Existing workflows, operational bottlenecks, reporting gaps, manual activities and integration requirements are documented to define measurable project objectives before technical planning starts.
Our consultants prepare detailed functional specifications including wireframes, DocType structures, workflow diagrams, user permissions, report definitions and API integration contracts. This document becomes the technical blueprint for development.
Before development begins, Quantbit determines the safest technical approach for every requirement—whether it should be implemented as a custom field, Client Script, Server Script, Workflow, or a completely separate Frappe application.
Unlike generic IT firms, Quantbit evaluates upgrade risk before a single line of code is written, ensuring every solution follows an upgrade-safe architecture.
Development follows Frappe coding standards, upgrade-safe architecture, version control, peer review, code documentation and internal quality checks. Every feature is developed as a maintainable solution rather than a quick workaround.
Every customisation undergoes regression testing, workflow validation, API testing, upgrade simulation and User Acceptance Testing (UAT) on a staging environment before production deployment, reducing project risk.
After successful testing, the solution is deployed to production with complete documentation, administrator guides, recorded walkthroughs, deployment notes and structured AMC handover. Your internal team receives everything needed to confidently manage the customised ERPNext solution.
From discovery workshops through architecture planning, development, testing and post-go-live support, Quantbit follows a proven methodology that delivers upgrade-safe ERPNext customisations with predictable outcomes.
Quantbit delivers ERPNext customisation services to businesses across India's leading manufacturing, trading, logistics, technology and pharmaceutical hubs. With headquarters in Pune and offices across Maharashtra, our team combines remote development with on-site consulting and implementation support wherever your business operates.
In addition to Mumbai, Pune, Hyderabad and Bengaluru, Quantbit regularly delivers ERPNext customisation projects for organisations in Nashik, Aurangabad, Nagpur, Kolhapur, Sangli, Mysuru and Coimbatore. Depending on project requirements, our team provides both remote execution and on-site consulting within an approximate 250 km delivery radius of each major metro location.
Speak with Quantbit's ERPNext specialists to discuss your business requirements and discover how our local consulting and nationwide development team can support your project.
Every ERPNext customisation is measured by the business outcome it delivers. Below are representative examples of projects completed by Quantbit's ERPNext development team. Client names are anonymised, but the challenges, technical approach and measurable outcomes reflect real-world implementation experience across manufacturing, distribution and trading businesses.
From manufacturing and warehousing to trading and pharmaceutical businesses, Quantbit delivers measurable operational improvements through upgrade-safe ERPNext customisation and Frappe development.
Tell us where the gaps are. We will show you exactly how to close them — upgrade-safely, efficiently, and permanently.
Book a customisation review ↗