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ERP software development

ERP software development that joins finance, stock, sales and people

ERP (enterprise resource planning) software connects the departments of a business through one set of data: a sale reduces stock, raises an invoice, updates accounts and triggers a delivery, without anyone re-entering it. The idea is simple. Building it well is not.

The safest way to build an ERP is in modules, one area at a time, starting with the one that hurts most. That is how we approach it. Our existing products already cover billing, HR and payroll, and POS with inventory, so we know what these modules need and how they should fit together.

What ERP is and who needs it

What it does

Finance, inventory, purchasing, sales, HR and reporting share one database, so numbers agree and information is entered once.

Growing companies with several departments

When sales, stock and accounts are kept in separate tools and monthly reporting means reconciling them by hand.

Multi-branch and distribution businesses

Where stock and sales move between locations and management needs a single, current view.

Custom ERP or an off-the-shelf suite

Large ERP suites cover a lot but can be heavy and expensive to adapt. Custom or modular ERP is worth considering when your processes are specific, or when you want to start with a few modules and grow.

Modules, integration and customisation

Billing and finance

Invoices, quotations, payments, income and expense tracking and statements, of the kind found in InvoiceX and PaySuite.

Inventory, sales and POS

Products, stock movement, purchasing and counter sales, as in Karjokrom.

HR and payroll

Employee records, attendance, leave and payroll, as in WorkZen.

Customer relationships

A CRM layer so sales activity connects to orders and invoices.

Custom modules and integrations

Production, projects, assets, approvals or anything specific to your operation, plus connections to banks, payment gateways and government or partner systems where they offer APIs.

Problems ERP solves

Duplicate data entry

A sale entered once updates stock, invoices and accounts.

Reports that disagree

One data source means finance, sales and operations quote the same numbers.

Slow month-end

With entries already consistent, closing the books becomes review rather than reconstruction.

No overview for management

Dashboards across departments show cash, stock and performance in real time.

Core capabilities

  • Chart of accounts and financial reporting
  • Sales orders, quotations and invoices
  • Purchasing and supplier management
  • Inventory with multiple warehouses or branches
  • HR, attendance and payroll
  • Customer and supplier records
  • Approvals and workflow rules
  • Role-based permissions by department
  • Cross-module reporting and dashboards
  • Audit trail for financial changes
  • Multi-language interface
  • Web access and mobile companion apps

Where ERP fits

Distribution and trading

Purchasing, stock, sales and receivables across warehouses.

Retail groups

Branch POS feeding central inventory and accounts.

Service companies

Projects, timesheets, invoicing and payroll in one system.

Growing SMEs

Replacing a set of spreadsheets and disconnected tools with a single platform.

Businesses with unusual processes

Where an off-the-shelf suite would need heavy customisation anyway.

A phased ERP rollout

Big-bang ERP launches are where projects fail. We start small and connect modules over time.

  1. 01

    Map the business

    Departments, documents, approvals and reports, plus the systems already in use and the data they hold.

  2. 02

    Choose the first module

    Usually the one causing the most pain, often billing, inventory or HR. It must stand alone and deliver value within the first release.

  3. 03

    Build on a shared data model

    Customers, products, employees and accounts are designed once so later modules plug in cleanly.

  4. 04

    Migrate and run in parallel

    Existing data is imported, and the new module runs alongside the old process until numbers match.

  5. 05

    Add modules and connect

    Each further module is added, integrated and reported on, with staff trained as you go.

ERP technologies

Application

  • Laravel
  • PHP
  • REST APIs

Interfaces

  • Web dashboards
  • Next.js
  • Tailwind CSS
  • Flutter mobile apps

Integration

  • Payment gateways
  • Email and messaging
  • Import and export tooling

Why Theme29 for ERP

We already build the modules

Billing, HR and payroll, POS and inventory are products we ship, so we understand what each module has to handle.

Phased, low-risk delivery

You get value from the first module, and each addition builds on it.

Documented and extensible

You can bring in other developers later without starting over.

Related work

See all client work and products

FAQ

Frequently asked questions

What is ERP software?

Enterprise resource planning software integrates the core functions of a business, such as finance, inventory, sales, purchasing and HR, into one system with shared data so information is not duplicated or inconsistent.

Do we need to build a full ERP at once?

No, and we advise against it. Starting with the most painful area and adding modules over time reduces risk and delivers value sooner.

What is the difference between ERP and CRM?

ERP manages internal resources and processes such as accounting and inventory. CRM manages customer relationships and sales activity. They complement each other, and we can connect them.

Can you integrate the ERP with our existing accounting software?

Often yes, if the accounting software has an API or export. We can also replace it if that is your goal. We review this early in scoping.

How secure is a custom ERP?

Security depends on design and operation. We build role-based access, audit trails and secure sign-in, and agree hosting, backups and update routines with you.

Contact

Which department should come first?

Tell us where information is duplicated or reports disagree. We will propose a phased plan that starts there.

Send a message

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