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What is ERP? Definition, modules, benefits and when a business needs ERP

A simple explanation of enterprise resource planning systems — and how Odoo ERP connects departments on one platform.

ENTROSOFT consulting team··Updated ·3 min read

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Quick summary
  • ERP (Enterprise Resource Planning) is a system that manages and connects business activities on a single, unified platform.
  • The core value of ERP lies not in the number of features, but in how those features share data with each other.
  • ERP is a good fit when a business has many departments, processes, warehouses/branches or ever-growing data.
  • Odoo is an integrated ERP platform that lets you pick the modules you need and expand step by step.

What is ERP?

ERP (Enterprise Resource Planning) is an enterprise resource planning system that helps businesses manage and connect their business activities on a single, unified platform. Instead of each department using its own software or Excel files, ERP connects data across Sales, CRM, Inventory, Purchasing, Accounting, Manufacturing and HR.

Put simplyERP is a system that helps businesses manage data and processes on one platform.
What is ERP – an enterprise resource planning system
ERP connects departments on one platform.

Common ERP modules

ModuleManages
CRMCustomers and sales opportunities
SalesQuotations, orders, sales revenue
PurchasePurchasing and suppliers
InventoryWarehouses and stock
AccountingInvoices, receivables/payables, accounting
ManufacturingRaw materials and production
HRMHR
POSSales at stores, restaurants and points of sale

Example of an end-to-end data flow:

Order→Inventory→Delivery→Invoice→Accounting

For manufacturers:

Order→Planning→Purchase raw materials→Inventory→Production→Finished goods

How is ERP different from conventional management software?

Standalone softwareERP
Focuses on one function: sales, inventory or accountingConnects multiple functions on a single system
Data is scattered and must be re-entered many timesData flows through the entire process
Hard to track activities across departmentsEasy to track orders, stock, revenue and costs

Benefits of ERP

  • Centralized data: all departments work from a single source of data.
  • Standardized processes: processing steps are designed and managed consistently.
  • Less manual work: minimal re-entry of data across systems.
  • Greater control: easy to track orders, stock, revenue and costs.
  • Better decision-making: leaders access centralized data for analysis.
Benefits of an ERP system for businesses
The benefits of implementing the right ERP.

Is ERP right for every business?

Not every business needs ERP from day one. Consider ERP when you face issues such as heavy reliance on Excel, too many standalone applications, inconsistent data across departments, time-consuming report consolidation, or difficulty controlling stock, orders or receivables/payables. Learn more: 7 signs your business should implement ERP.

What is Odoo ERP?

Odoo is an integrated ERP platform with many applications such as CRM, Sales, Purchase, Inventory, Manufacturing, Accounting, POS and HR. Businesses choose the modules they need and connect them on one platform, e.g. CRM → Sales → Inventory → Accounting, or Sales → Manufacturing → Inventory → Accounting.

Odoo 19 – an integrated ERP platform
Odoo – an integrated ERP platform with many applications.

At ENTROSOFT, we consult on and implement ERP based on each business's actual processes — because an effective ERP is not about having lots of features, but about solving the right problem.

Frequently asked questions

What does ERP stand for?

ERP stands for Enterprise Resource Planning.

What modules does ERP include?

Typically CRM, Sales, Purchasing, Inventory, Accounting, Manufacturing, HR and POS, all sharing data with each other.

How does ERP differ from conventional management software?

Standalone software focuses on one function; ERP connects multiple functions on a single system, minimizing duplicate data entry.

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