Business Systems

Custom ERP Development for Inventory, Procurement and Production

We build the operations backbone that runs inventory, procurement, finance and production, either as a custom system or as an extension of Odoo or Dynamics 365.

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How we work

An ERP is the system a business cannot afford to get wrong. It holds the inventory counts a warehouse trusts, the procurement approvals finance signs off on, and the production schedule a factory floor runs against. Custom erp development is our work for businesses whose operations have outgrown a generic module or a spreadsheet stitched between departments.

Some of that work is a system built from scratch around your specific production process, purchasing rules or multi-location inventory logic. Some of it is extending a platform like Odoo or Microsoft Dynamics 365 with the modules, workflows and integrations that the out-of-box version does not cover. We scope each engagement toward whichever gets your operations team a system they can trust, not toward whichever approach is more interesting to build.

The result is a system that reflects how your inventory actually moves, how your production floor actually schedules work, and how your finance team actually closes the books, connected to the other systems your business depends on instead of requiring a manual reconciliation between them.

What we deliver

ERP Development services

Custom ERP Systems
ERP software built from the ground up around your specific production, inventory or procurement process when no platform configuration will fit it.
Odoo Implementation and Customization
Odoo modules configured and extended for inventory, manufacturing, purchasing and accounting, including custom modules where Odoo's defaults don't match your process.
Dynamics 365 Implementation and Extension
Microsoft Dynamics 365 configured for finance and operations, with custom workflows and integrations built where the standard configuration falls short.
Inventory and Warehouse Management
Multi-location inventory tracking, stock movement and reorder logic built to reflect how your warehouses actually operate, including barcode and RFID integration where needed.
Procurement and Approval Workflows
Purchase requisition, vendor management and multi-step approval routing with a full audit trail, replacing manual sign-off chains run over email.
Production Planning and Scheduling
Systems that track work orders, materials and capacity against the production schedule, so the plant floor and the ERP show the same reality.
Financial Module Integration
Connecting ERP data to your general ledger and accounting system so financial close does not depend on manually re-entering data from operations.

You receive

Deliverables

A deployed ERP system, custom-built or configured on Odoo or Dynamics 365
Inventory, procurement and production modules matched to your actual workflow
A migration of existing inventory, vendor and production data
Role-based access reflecting your organization's approval hierarchy
Integrations connecting the ERP to your accounting, e-commerce or shipping systems
Documentation covering configuration decisions and custom modules
Training material for the teams who will run the system daily

How we work

Our erp development process

Operations mapping
We map how inventory, procurement and production actually move today, including the manual workarounds staff use to cover gaps in the current system.
Build vs. platform decision
We assess whether extending Odoo or Dynamics 365 covers your requirements, or whether the process is specific enough to warrant a custom build.
Data model and workflow design
Inventory structures, approval chains and production schedules are modeled against your real entities, not a generic template that will need reworking.
Module build and configuration
Custom modules are built or platform configuration is applied, with each workflow tested against the exceptions your operations team actually encounters.
Data migration and parallel run
Inventory and vendor data is migrated, and where possible the new system runs alongside the old one until warehouse and finance teams trust the counts.
Training and handover
Operations, procurement and finance teams are trained on the workflows specific to their role before the old system is retired.

Custom Build vs Extending Odoo or Dynamics 365

Odoo and Dynamics 365 cover inventory, procurement and finance well for businesses whose process resembles what the platform assumes, and extending either one is faster and cheaper than a custom build when that assumption holds. Custom modules can add the workflow or report the platform is missing without abandoning the platform's core.

A fully custom ERP is worth building when your production process, multi-location inventory logic or approval structure is specific enough that platform configuration would mean working around the tool rather than with it, or when licensing costs at your scale exceed what a custom build would cost over its lifetime.

Getting Inventory Counts the Warehouse Actually Trusts

Inventory drift between the system and the shelf almost always traces back to a step that isn't captured: a transfer between locations logged after the fact, a return processed outside the normal flow, or a manual count that never gets reconciled against the system record.

We design inventory movement around every real path stock takes through your operation, receiving, put-away, picking, transfers, returns, not just the happy path, and add barcode or RFID capture at the points where manual entry is the actual source of drift.

Every stock movement path modeled, not just receiving and shipping
Barcode or RFID capture at the points manual entry causes drift
Reconciliation workflows for physical counts against system records

Connecting Production Scheduling to Real Inventory

A production schedule that doesn't know real-time material availability generates work orders the floor cannot actually start, which is why plant managers fall back to a spreadsheet they trust more than the system. Fixing this means the production module and the inventory module have to share the same live data, not run as separate systems synced overnight.

We build production planning against current stock and incoming purchase orders directly, so a schedule reflects what can actually be built today, and route exceptions back to procurement or planning automatically instead of surfacing them only when the floor tries to pull materials that aren't there.

Technology

Technologies we use

Industries

ERP Development by industry

Solutions

Systems we build with this service

Budget

What drives cost and timeline

Custom build versus platform extension
Extending Odoo or Dynamics 365 with configuration and targeted custom modules is generally faster and cheaper than a fully custom ERP built from scratch.
Number of locations and inventory complexity
A single-warehouse system is simpler than one tracking stock across multiple locations with transfers, allocations and location-specific reorder rules.
Production process complexity
Discrete manufacturing, process manufacturing and assemble-to-order each need different production planning logic, which affects scope significantly.
Number of system integrations
Each connection to accounting, e-commerce, shipping or a supplier portal adds its own integration and error-handling work.
Data migration volume and quality
Migrating years of inventory and vendor history from an existing system takes longer when that data has known inconsistencies to resolve first.

Get a free estimate See engagement models

Compliance

Standards we design and build to

None of these is a certification or attestation held by this agency. They are the standards we design and build client systems to, so your own audit or assessment starts from a sound base.

GDPR / UK GDPR
Personal data handled on a lawful basis, with data minimisation and a documented retention policy.
HIPAA safeguards
Administrative, physical and technical safeguards applied where a system touches protected health information.
PCI DSS scope reduction
Card payment flows tokenised through a certified processor so cardholder data never touches your systems.
SOC 2 readiness
Access control, change management and audit logging built in from day one, ready for a client's own SOC 2 audit.
WCAG 2.2 AA
Keyboard navigation, colour contrast and screen-reader labelling checked against the AA success criteria.
OWASP ASVS
Authentication, session handling and input validation reviewed against the Application Security Verification Standard.

We list certifications only when they are real and current. See our security practices →

FAQ

Questions about ERP Development

Should we build a custom ERP or extend Odoo or Dynamics 365?

Extending a platform like Odoo or Dynamics 365 is usually faster and cheaper when your inventory, procurement and finance processes resemble what the platform assumes. A custom build is worth it when your production process or approval structure is specific enough that platform configuration becomes a workaround rather than a fit, or when per-user licensing costs at your scale exceed a custom build's lifetime cost.

Why do our inventory counts never match what's actually on the shelf?

This usually traces to a stock movement path that isn't fully captured in the system: transfers logged after the fact, returns processed outside the normal flow, or manual counts that never get reconciled. We model every real movement path, not just receiving and shipping, and add barcode capture at the points where manual entry causes the drift.

Can you integrate our ERP with our existing accounting software?

Yes, this is one of the most common integration requests we handle. We connect ERP data, purchase orders, invoices, inventory valuation, directly to your general ledger system so financial close doesn't depend on manually re-entering data that already exists in the ERP.

How do you handle multi-location inventory and warehouse transfers?

We build location-aware inventory logic that tracks stock, in-transit transfers and location-specific reorder points as first-class parts of the data model, so a single view can show true total inventory across every warehouse rather than requiring a manual roll-up.

Can our ERP handle a production process with custom bill-of-materials logic?

Yes. We build production planning around your actual bill-of-materials structure, whether that's discrete manufacturing, process manufacturing or assemble-to-order, and connect it to live inventory so a generated work order reflects materials that are actually available.

How long does an ERP implementation take?

Extending Odoo or Dynamics 365 for a single department, inventory or procurement, typically takes ten to sixteen weeks. A custom ERP covering inventory, procurement, production and finance across multiple locations usually runs six to twelve months, delivered module by module so operations get value before the whole system is complete.

Will we be able to migrate our existing inventory and vendor data?

Yes. We audit existing data for inconsistencies before migration, since ERPs that have run for years accumulate exceptions, and where possible we run the new system alongside the old one until your warehouse and finance teams have confirmed the counts match before the legacy system is retired.