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Definition
ERP Systems
An ERP (Enterprise Resource Planning) system is integrated software that manages core business processes including finance, inventory, human resources, manufacturing, and supply chain operations in a single unified platform, providing a single source of truth for organisational data.
ERP systems break down departmental data silos by providing a single, unified database for all business functions. When a sale is made, the ERP automatically updates inventory, triggers procurement if stock is low, creates an invoice, and records the revenue. This integration eliminates manual data transfer between departments, reduces errors, and provides real-time visibility across the entire organisation. Modern ERP systems are web-based applications accessible from any device.
Businesses need ERP when they have grown beyond the point where spreadsheets and disconnected tools can manage operations effectively. Signs include: data inconsistencies between departments, manual processes consuming significant staff time, lack of real-time visibility into business performance, and compliance requirements for auditable data trails. The choice is between enterprise platforms (SAP, Oracle, Dynamics) with high licensing costs and custom ERP built around your specific processes.
Custom ERP systems are built as modular web applications where each module (finance, inventory, HR, operations) shares a common PostgreSQL database with schema-level separation. The frontend provides role-specific dashboards and data views. API integrations connect with external systems (accounting, payroll, suppliers). Development follows a phased approach, deploying core modules first while building additional functionality.
Production scheduling, bill of materials, quality control, inventory management, and supplier coordination in a unified system.
Project management, resource allocation, cost tracking, subcontractor management, and health and safety compliance.
Warehouse management, order processing, route planning, inventory optimisation, and supplier management.
Resource planning, time tracking, project profitability, client billing, and capacity management.
Custom ERP depends on complexity and the number of modules, comparing favourably to recurring vendor licensing.
Talk to Elsio about implementing erp systems for your business.