Custom ERP & CRM Development Company
Enterprise Systems Built to Your Exact Business Processes - Not the Other Way Around
Tailor-Made ERP Solutions, Custom CRM Systems, Business Process Automation, Third-Party System Integrations & ERP for Manufacturing Companies - GST-Ready, India-Compliant, Globally Deployable
Off-the-shelf ERP and CRM platforms serve average business processes, while custom ERP and CRM systems are built around your specific workflows. At Evolution Infosystem, we develop tailored ERP solutions for finance, inventory, procurement, manufacturing, HR, payroll, and project management, alongside custom CRM modules for lead management, sales pipelines, customer service, and field force tracking.
Manufacturing + Trading + Services
Tally + SAP + API Integration
NDA Protected
Free Requirement Analysis
250+
ERP/CRM Implementations
5
ERP/CRM Specialisms
GST
Ready + India-Compliant
10+
Industries Served
What Is Custom ERP & CRM Development & Why Does Generic Software Fail Indian Businesses?
Enterprise Resource Planning (ERP) integrates core business functions including finance, accounting, inventory, warehouse management, procurement, manufacturing, HR, and payroll. Customer Relationship Management (CRM) focuses on customer-facing operations such as lead management, sales pipelines, customer communication, after-sales service, and field force management.
Off-the-shelf ERP systems such as SAP Business One, Oracle NetSuite, Microsoft Dynamics, and Tally are designed for the average business. Many Indian SMEs and mid-sized companies have unique workflows shaped by GST, HSN codes, TDS, e-Way Bills, e-Invoicing, ROC compliance, and long-established operational practices that standard ERP systems often cannot accommodate without significant customisation.
At Evolution Infosystem, custom ERP and CRM development covers tailor-made ERP systems, custom CRM platforms, business process automation, third-party integrations, and manufacturing ERP. We build solutions for finance, inventory, procurement, HR, payroll, production planning, quality control, customer management, and reporting, designed around your business processes rather than standard software limitations.
| Generic ERP/CRM Failures in Indian Businesses | What Custom ERP/CRM Delivers Instead |
|---|---|
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Our Custom ERP & CRM Development Services - Five Specialisms, One Expert Team
Each service below has a dedicated full-length page with technical depth, module lists, code examples, case studies, and FAQs. This hub provides the overview - click through to the service page for complete detail.
Tailor-Made ERP Solutions
Complete custom ERP built module by module around your exact business processes - finance, inventory, procurement, HR, and MIS
- Finance & accounting: GST, TDS, multi-company, multi-currency
- Inventory management: multi-warehouse, batch, expiry, FIFO/FEFO
- Procurement: purchase order, GRN, vendor payment, 3-way match
- HR & payroll: attendance, leave, PF, ESI, PT, Form 16
- Sales & dispatch: order, invoice, e-Way Bill, dispatch, collection
- Real-time MIS dashboard for directors and management
Custom CRM Systems
Lead-to-cash CRM built around your sales cycle, service model, and field force structure
- Lead capture: web forms, Indiamart, JustDial, WhatsApp integration
- Sales pipeline: stage tracking, follow-up reminders, deal probability
- Quotation and proposal generation with approval workflow
- Customer service: ticket creation, SLA tracking, engineer dispatch
- Field force: GPS-tracked visits, daily call report, target vs achievement
- Customer 360: communication history, orders, payments, outstanding
Business Process Automation
Automating manual, repetitive, and error-prone processes across departments - approval workflows, notifications, reporting
- Purchase approval workflow: requester → manager → finance → MD
- Automated GST return data preparation and filing reminder
- Salary processing: attendance pull → payroll calculation → bank file
- Customer statement auto-email on month-end: outstanding and due dates
- Inventory reorder alert: auto-PO draft when stock below reorder level
- Daily MIS email to directors: sales, collection, and dispatch summary
Third-Party System Integrations
Connecting your ERP/CRM to every external system your business depends on
- Tally integration: two-way sync of accounts, inventory, vouchers
- Shopify integration: orders, inventory, customers, fulfilment sync
- GST portal: GSTR-1, GSTR-3B data push; e-Way Bill and e-Invoice API
- Payment gateway: Razorpay, PayU, CCAvenue reconciliation automation
- Bank integration: account statement import, payment file generation
- Logistics API: Delhivery, Blue Dart, Shiprocket tracking and AWB sync
ERP for Manufacturing Companies
India-specific manufacturing ERP covering the complete production lifecycle - BOM, job card, job work, machine scheduling, quality control, and finished goods for Indian factories in textile, pharma, chemical, food, engineering, and auto-component sectors
- Production Planning: BOM with version control, MRP-based planning, production order, raw material requirement planning, capacity planning
- Job Work Management: Material issue challan to job worker, receipt challan, reconciliation, costing, GST on job work, 180-day rule tracking
- Quality Control: Incoming QC at GRN, in-process QC at job card stages, finished goods QC, rejection analysis, certificate of analysis
Still Running Your Business on Excel, WhatsApp, and Software That Doesn't Fit?
Tell us your industry, your current software setup, and the three biggest operational bottlenecks. We'll map the exact ERP/CRM modules that eliminate them - free requirement analysis, no commitment, no generic demo.
Custom ERP & CRM Development Services - In-Depth
Tailor-Made ERP Solutions
Tailor-made ERP development is the design and implementation of a complete enterprise resource planning system built from your process documentation rather than adapting a generic product. The scope covers all core business functions. Finance & Accounting module: double-entry bookkeeping, multi-company chart of accounts, GST-compliant invoice generation (CGST, SGST, IGST, composition), TDS deduction on vendor payments with Form 26Q data, bank reconciliation (statement import and auto-matching), multi-currency with daily exchange rate import, and financial statements (P&L, balance sheet, cash flow) on demand.
Custom CRM Systems
Custom CRM development builds a customer relationship management system designed around your sales process, service model, and customer communication workflow - not the generic 'contact, lead, opportunity, close' model of off-the-shelf CRM that requires 20 customisation plugins to match Indian B2B sales workflows. Lead Management module: multi-source lead capture (website forms, IndiaMart auto-import, JustDial integration, WhatsApp Business API, trade show upload, telemarketing list), lead assignment rules (territory, product, sales rep rotation), lead qualification scoring, and duplicate detection.
Business Process Automation
Business process automation (BPA) replaces manual, repetitive, multi-step processes with automated digital workflows that execute consistently, without human error, at any time of day. BPA in the ERP/CRM context addresses the specific inter-departmental processes that slow Indian businesses: approval workflows, compliance reporting, communication automation, and data reconciliation. Approval workflow automation: multi-level approval chains (purchase requisition → department head → finance → MD approval → auto-PO generation) with mobile app approval, delegation during absence, escalation if not approved within SLA, and complete approval audit trail.
Third-Party System Integrations
Third-party system integrations connect your custom ERP/CRM to the external systems and government portals your business depends on - eliminating manual data re-entry, reducing errors, and creating a single integrated data flow. Tally integration: two-way sync between custom ERP and Tally ERP Prime or Tally ERP 9 (Tally XML API) - vouchers created in ERP posted to Tally automatically, Tally data available in ERP for reconciliation; common use case: ERP handles operations (inventory, orders, manufacturing), Tally handles statutory filing and bank reconciliation.
ERP for Manufacturing Companies
Manufacturing ERP for Indian factories is a specialised discipline - generic ERP modules built for service or trading companies do not cover the operational complexity of a manufacturing unit: bills of material with versions and substitutes, production orders with job card stages, job work (subcontracting) with material tracking, machine scheduling, shift management, quality control at multiple stages, scrap and yield accounting, and production cost analysis.
Our Custom ERP & CRM Development Technology Stack
| CATEGORY | TECHNOLOGIES | USE CASE |
|---|---|---|
| Backend Framework | Python (Django, FastAPI), Node.js, ASP.NET Core, PHP Laravel | ERP/CRM application logic, APIs, workflow engine |
| Frontend | React.js, Vue.js, Angular; Ant Design, Material UI | ERP/CRM UI, dashboards, approval screens |
| Mobile App | React Native, Flutter; Android native (Java/Kotlin) | Field sales, service engineer, approval apps |
| Database | PostgreSQL, MySQL, MS SQL Server, MongoDB | ERP/CRM data storage, transaction processing |
| Reporting Engine | Apache ECharts, Recharts, Crystal Reports, SSRS | MIS dashboards, management reports, charts |
| Workflow Engine | Custom workflow builder, Celery (Python), Bull (Node.js) | Approval workflows, BPA automation, notifications |
| GST Integration | GSTN API, NIC e-Way Bill API, IRP e-Invoice API | GSTR filing data, e-Way Bill, e-Invoice IRN |
| Payment Integration | Razorpay API, PayU API, CCAvenue API, ICICI/HDFC Bank API | Payment reconciliation, disbursement, collection |
| Tally Integration | Tally XML API, TallyPrime connector, Tally ODBC | Two-way ERP-Tally sync for accounts data |
| Logistics API | Delhivery, Blue Dart, Shiprocket, Ecom Express API | AWB generation, tracking, POD update |
| Biometric | ZKTeco SDK, ESSL API, Hikvision ISAPI | Attendance sync to HR/payroll module |
| Communication | WhatsApp Business API, SMTP/SendGrid, SMS gateway | Customer notifications, approvals, reminders |
| Cloud Hosting | AWS EC2/RDS, Azure VM/SQL, GCP; or On-Premise server | ERP/CRM hosting, high availability |
| CI/CD & Deployment | GitHub Actions, Jenkins, Docker, Nginx, Gunicorn | Automated ERP/CRM deployment pipeline |
| Security | Role-based access control, AES-256 encryption, audit log | Data security, user access, compliance |
Our Custom ERP & CRM Implementation Process - 7 Phases
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Custom ERP vs SAP vs Tally vs NetSuite - Which for Indian SMEs & Mid-Market in 2026?
| FACTOR |  |  |  |  |
|---|---|---|---|---|
| Recurring cost | Hosting + support only | AMC + consultant fees | Licence renewal | SaaS subscription always |
| GST compliance | Native Indian GST from day 1 | Requires localisation add-on | Best-in-class for GST/TDS | India localisation module |
| e-Invoice / EWB | Direct NIC/IRP API built in | Via add-on partner | Direct integration | Via third-party add-on |
| Custom workflows | 100% custom to your process | Expensive to customise | Not customisable | Configurable but not custom |
| Manufacturing | India-specific: job work, BOM | Production module available | Not suited for manufacturing | Manufacturing module (complex) |
| Job work mgmt | Native module | Via additional module | Not available | Not available natively |
| CRM | Integrated custom CRM | Separate SAP CRM (expensive) | Not available | CRM module available |
| Mobile app | Custom mobile app included | Via SAP Fiori (expensive) | TallyPrime to-go (limited) | Mobile browser only |
| Integration | Any API: GST, bank, Shopify | SAP connector ecosystem | Limited integration options | SuiteFlow integrations |
| Training time | 2-4 weeks (familiar UX) | 3-6 months (complex UI) | 1-2 weeks (simple UI) | 2-4 months (complex) |
| Vendor dependency | None - you own the code | SAP ecosystem dependency | Tally licensing dependency | NetSuite SaaS dependency |
| Best for India | Process-specific SME, mfg | Large enterprise (100+ users) | Accounting-focused SME <50 cr | Fast-scaling SaaS or startup |
Choose Custom ERP when: your business has specific workflows that off-the-shelf software handles with workarounds; you are in manufacturing (especially with job work, BOM versions, or process-specific QC); you need a CRM and ERP integrated without duplicate data entry; you want a mobile app for field sales or service teams without a per-user licensing cost; or your annual software costs on multiple tools (Tally + CRM + HR software + integration middleware) exceed Rs. 5-8 lakhs per year.- Choose Tally Prime when: your primary need is accounting, GST compliance, and basic inventory; you have fewer than 20 users; your business processes are straightforward trading or services; and you need a solution your existing accountant is familiar with. Tally is the accounting-first choice - not an operations management system.
- Choose SAP Business One when: you have 50+ users, a subsidiary of a multinational requiring SAP ecosystem compliance, or complex multi-country operations where SAP's global footprint is a requirement. SAP implementation and consulting costs make it economically viable only at significant scale.
- Choose NetSuite when: you are a fast-scaling SaaS, e-commerce, or services company with global operations, and want a single cloud ERP without infrastructure management. NetSuite's subscription model works well for companies prioritising speed of implementation over customisation depth.
Paying for SAP or Tally workarounds every day?
We map the exact gap between what your current software delivers and what your business needs. Average finding: 4-6 critical process gaps costing 2-5 hours of manual work per day per department.
Want to see our ERP/CRM implementations?
Browse 250+ ERP and CRM implementations - textile, pharma, construction, engineering, trading, services - with real business outcomes.
Custom ERP & CRM Use Cases by Industry
Textile & Garment Manufacturing
Surat, Ahmedabad, Tiruppur - weaving, dyeing, garment
Textile ERP requirements: multi-unit production (yarn → grey fabric → dyed fabric → garment), GST on job work at each stage (different HSN codes at each processing stage), job worker material tracking (material sent to job worker, received back, 180-day GST compliance), greyage and dyeing lot tracking, garment BOM by size/colour variant, agent commission calculation on sales, multiple sales channels (wholesale, retail, export - each with different pricing and tax treatment).
Pharmaceutical Distribution
Wholesale drug distribution, C&F agency, stockist
Pharma distribution ERP: batch and expiry date tracking (FEFO dispatch - first expiry first out), Schedule H and H1 drug licence compliance (prescription requirement tracking), narcotics and psychotropic drug register (separate register mandated by law), sales return with reason code and batch tracking, retailer credit limit management, scheme and bonus (buy-10-get-1 scheme with scheme stock separate from regular stock).
Construction & Real Estate
Builders, contractors, infrastructure companies
Construction ERP: project-wise cost tracking (material, labour, equipment, subcontractor - per project and per cost centre), subcontractor management (work order, billing, TDS on subcontractor payment, retention management), material management (GRN at site, material issue against work order, waste tracking), progress billing (RA bill - running account bill - certification, deduction of advance and retention, net payable), customer CRM (booking management, allotment, demand letter, payment schedule, OC-related milestone tracking).
Food Processing & FMCG
Food manufacturers, spice processors, packaged food brands
Food ERP: recipe/formula management (ingredient bill of materials with percentage weight loss on processing), batch production tracking with shelf life and MFG/EXP date, FSSAI compliance (batch record, cleaning record, temperature log), nutritional label data management per SKU, distributor management with primary and secondary sales tracking, scheme management (seasonal promotions, distributor incentives), return goods management with reason coding.
Engineering & Auto Components
Precision machining, casting, auto component suppliers
Engineering ERP: multi-level BOM (raw material → sub-assembly → assembly → finished good), customer-drawing-specific product management (same item code different specification for each OEM customer), machine-wise job card with setup time, cycle time, and operator, tool management (tool life tracking and grinding/replacement schedule), SPC/process capability data for OEM customer quality submission, customer-specific packing and labelling, inspection certificate and PPAP documentation.
Professional Services & IT
CA firms, IT services, consultancies, agencies
Professional services ERP/CRM: project management with task assignment and time tracking (billable hours tracking per client per consultant), client billing (time and material billing from timesheet, fixed-fee milestone billing, retainer billing), resource utilisation tracking, project profitability analysis (revenue vs cost per project), client CRM (renewal reminders for retainer clients, upsell opportunity tracking, NPS survey automation), expense management, and for IT companies: bug tracking integration (Jira sync), sprint billing milestone integration, and SLA compliance tracking.
Frequently Asked Questions - Custom ERP & CRM Development
Off-the-shelf ERP (SAP, Oracle, Microsoft Dynamics, Tally) is built for the average business in a broad industry category. It covers common processes and requires your business to adapt its workflows to match what the software supports. When your processes differ from the standard, you either change your process (losing competitive differentiation) or pay for customisation (which on SAP or Oracle can cost more than building a custom system). Custom ERP is built from your process documentation - every module, workflow, approval chain, report, and compliance requirement is designed to match how your business actually operates.
Custom ERP timelines depend on project scope. Single-module implementations typically take 8-12 weeks, medium-scope ERP systems 16-24 weeks, and full manufacturing ERP solutions 24-36 weeks. These timelines assume completed business discovery, timely UAT feedback, clean master data, and no major scope changes during development. Evolution Infosystem follows an iterative sprint approach, with the first module usually going live within 6-8 weeks and additional modules delivered in 2-4 week release cycles.
Job work in Indian manufacturing refers to sending raw material or semi-finished goods to an outside contractor (job worker) for a specific processing operation - the material remains the property of the principal manufacturer, and the job worker charges only for the service. Examples: a textile manufacturer sending grey fabric to a dyeing unit, a pharma manufacturer sending bulk granules to a coating contractor, an engineering company sending raw castings to a machining job worker. GST Section 143 governs job work: the material sent to a job worker must be received back within 1 year (for inputs) or 3 years (for capital goods) without incurring GST liability on the transfer - otherwise the transfer is treated as a supply and GST becomes payable.
ERP manages internal business operations including finance, inventory, procurement, manufacturing, HR, and payroll, while CRM focuses on customer-facing activities such as lead management, sales pipelines, customer communication, after-sales service, and field force management. Together, CRM manages the customer journey from enquiry to order, while ERP handles production, dispatch, invoicing, and collections. At Evolution Infosystem, CRM modules are built into the ERP system, giving every department a unified view of customer data, order history, outstanding payments, and service tickets.
Yes. GST compliance, e-Way Bill, and e-Invoice support are built into every custom ERP we develop for Indian businesses, not added as afterthoughts. GST support: multi-rate GST (0%, 5%, 12%, 18%, 28% + cess), CGST/SGST for intra-state and IGST for inter-state transactions, composition scheme, reverse charge mechanism (on specified services and unregistered vendor purchases), HSN code master with automatic GST rate assignment, GSTR-1 data compilation from sales invoices (B2B, B2C, exports, nil-rated, exempted), and GSTR-3B input tax credit calculation.
Yes. Custom ERP systems commonly integrate with Tally, allowing the ERP to manage operations such as sales, purchasing, inventory, manufacturing, and CRM, while Tally remains the statutory accounting system. Sales, purchase, payment, and receipt vouchers are synchronised through the Tally XML API, and two-way integration can also pull journal entries and other accounting data back into the ERP using Tally ODBC or XML exports.
Yes. We provide three post-implementation support models because ERP systems require ongoing maintenance as businesses, compliance requirements, and workflows evolve. Hypercare support, included for the first 30 days, covers dedicated phone and WhatsApp support, integration health checks, rapid P1 issue resolution, and daily review calls during the first week. An optional standard maintenance retainer provides bug fixes, annual compliance updates, and continuous system performance monitoring.
Tailor-made ERP solutions (finance, inventory, procurement, manufacturing, HR/payroll, MIS), custom CRM systems (lead management, pipeline, customer service, field force), business process automation, third-party system integrations (Tally, GST portal, Shopify, payment gateways, logistics), and ERP for manufacturing companies.
Yes. Every custom ERP includes GST compliance: multi-rate GST, GSTR-1 data push, e-Way Bill via NIC API, e-Invoice (IRN) via IRP API, TDS deduction, and India-specific compliance reports.
Yes. Evolution Infosystem builds India-specific manufacturing ERP covering BOM with version control, production planning, job card, job work (subcontracting with 180-day GST compliance), machine scheduling, quality control, and scrap/yield accounting.
Yes. Two-way Tally integration via Tally XML API: vouchers from custom ERP pushed to Tally automatically, with data pull from Tally for reconciliation.
Yes. React Native mobile apps for field sales (order booking, visit log, outstanding), field service (job completion, spare parts, customer signature), and manager dashboard.
Textile and garment, pharmaceutical distribution, construction and real estate, food processing, engineering and auto components, chemical, trading, professional services, and IT.
Ready for a Custom ERP & CRM That Fits Your Business - Not the Other Way Around?
250+ Implementations. GST + e-Way Bill + e-Invoice. Manufacturing ERP + Job Work. Tally + Shopify + Bank Integration. Mobile App for Field Force. India-Compliant. Cloud & On-Premise.