Custom ERP for Manufacturing

When off-the-shelf ERP stops being enough

Off-the-shelf ERP vendors build for the statistically average manufacturer. That works until your operation diverges from the average. Unusual product configurations, non-standard costing models, multi-site plants with different workflows per location, or a legacy on-premise system that was never replaced all create friction a packaged system won't solve. Custom ERP isn't a bigger project than buying and implementing SAP. For mid-size manufacturers, a custom build is often faster and significantly cheaper once you factor in licensing, consultant fees, and the years of configuration work that follows a standard ERP go-live.

  • BOM-driven production order management and material requirements planning built for your product structure

  • Real-time multi-site inventory with barcode and RFID scanning, lot tracking, and safety stock alerts

  • Supplier portal, purchase order automation, and goods receipt matching in one system

  • Job costing, overhead allocation, and variance analysis that matches your actual cost structure

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See our work

The problem

Sound familiar?

  • Spending more on SAP licensing and consultants than the system saves you in efficiency?

  • Non-standard costing models or multi-site workflows that no off-the-shelf ERP handles cleanly?

Short answer

RaftLabs builds custom ERP software for manufacturers whose operations don't fit what SAP, Oracle, or Microsoft Dynamics were designed for. A custom manufacturing ERP covers production order management, BOM-driven material planning, multi-site inventory, procurement, job costing, and finance in a single system built around your actual workflow. Most manufacturing ERP projects deliver an initial production-ready module in 12 to 16 weeks at a fixed, agreed cost.

Key takeaways

  • A SAP S/4HANA implementation for 100 users typically costs $500,000-$2M in consulting fees alone before customisation, versus a custom build owned outright with no annual licence renewals.
  • Phased delivery gets production order management, inventory, and basic procurement live in 12-16 weeks, with finance and supplier portal following in a second phase.
  • Integration patterns are matched to what the existing system exposes: SAP RFC/OData, Oracle EBS REST APIs, NetSuite SuiteScript, or Dynamics 365 OData feeds.
  • A focused module such as production and inventory for one site runs $40,000-$80,000; a full ERP across production, procurement, and finance runs $120,000-$250,000.

Trusted by

Vodafone logo
Aldi logo
Nike logo
Microsoft logo
Heineken logo
Cisco logo
Calorgas logo
Energia Rewards logo

Manufacturing ERP delivery, by the numbers

products shipped
100+
industries served
24+
cost delivery
Fixed
week delivery cycles
12-20

When off-the-shelf ERP stops being enough

Custom ERP is built once for your operation and owned by you, not leased at an annual fee that climbs every year. We've integrated with SAP, Oracle, Microsoft Dynamics, and industry-specific ERP systems, and know where they fail mid-size manufacturers. When a full replacement isn't right, we build integration layers that extend what you have.

Capabilities

What we build

  • 01
    Production order management

    BOM-driven MRP II logic with barcode-based WIP tracking, EDI 850/855 integration, and real-time write-back to inventory and finance.

  • 02
    Inventory and warehouse management

    Multi-site inventory with barcode/RFID scanning, lot and serial tracking, safety-stock formulas, and automated inter-company transfer accounting.

  • 03
    Procurement and supplier portal

    Approval-hierarchy purchase orders, supplier portal acknowledgement, three-way invoice matching, and automated supplier performance tracking.

    Built with
    EDI 850/855/856
  • 04
    Finance and cost accounting

    Job and standard costing with automatic overhead allocation, multi-entity consolidation, and segregation-of-duties controls.

    Built with
    Xero · Sage · QuickBooks
  • 05
    Sales order and customer management

    Available-to-promise order entry against live capacity, customer-specific pricing, and EDI 856 advance shipment notices.

  • 06
    Multi-site reporting and dashboards

    Consolidated cross-plant P&L with site drill-down, role-based dashboards per function, and live data instead of nightly extracts.

How we work

From scope to live ERP

  1. Week 1
    01

    Operations and cost-structure scoping

    We map your BOM structure, costing model, and multi-site workflows. You leave week 1 with a written scope document and a fixed-price quote.

  2. Weeks 2-5
    02

    Data model and integration design

    Production, inventory, and finance data models designed against your actual operation, with existing-system integration mapped.

  3. Weeks 6-16
    03

    Build in phases

    Production order management and inventory ship first, followed by procurement, finance, and multi-site reporting.

  4. Final phase
    04

    Migration and go-live

    Delta data migration with reconciliation against the legacy system before cutover, with the old system available for reference during transition.

Why us

Why manufacturers choose RaftLabs

  • 01
    Senior engineers build what they scope

    The engineers who assess your cost structure also build the solution. No bait-and-switch, no offshore handoff after the contract is signed.

  • 02
    Fixed price before development starts

    We scope the work, calculate the cost, and lock it in writing before any development starts.

  • 03
    9 years and 100+ products shipped

    Clients include Vodafone, T-Mobile, Aldi, Nike, Cisco, and Lockheed Martin. Track record building manufacturing and ERP platforms.

  • 04
    We'll tell you when SAP or Dynamics is enough

    Custom is justified by real configuration limits, not recommended by default.

  • 05
    Phased delivery, not a big-bang cutover

    You're generating value from working software before the full project is complete.

Have an ERP project?

Tell us what your current system can't do and what it costs you. We'll scope a solution built around your actual operation and give you a fixed price.

Talk about your ERP project

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Frequently asked questions

The decision comes down to configuration limits, total cost, and how standard your operation is. If your BOM structure, costing model, or production routing doesn't fit the standard data model, you spend months in a configuration project that still ends with a system requiring workarounds. For mid-size manufacturers with $5M to $100M in revenue, the licensing and implementation cost of a tier-one ERP often exceeds the cost of a custom build owned outright.

We use a phased approach: the first phase covering production order management, inventory, and basic procurement typically delivers in 12 to 16 weeks. Finance integration and supplier portal follow in a second phase. Full replacement including historical data migration runs 6 to 12 months depending on data complexity and external integrations.

Yes, and this is often the right starting point. Many manufacturers need one part of their ERP replaced or extended, a production management module bolted onto their existing finance system, or a supplier portal that connects to an ERP they're otherwise happy with. Integration patterns depend on what the existing system exposes.

A focused ERP module such as production order management and inventory for a single site typically runs $40,000 to $80,000 depending on scope and integrations. A full custom ERP covering production, procurement, finance, and multi-site reporting runs $120,000 to $250,000.

Work with us

Tell us what you need. We'll tell you what it would take.

We scope Custom ERP Software for Manufacturing in 30 minutes. You walk away with a clear cost, timeline, and approach. No commitment required.

  • Scope and cost agreed before work starts. No surprises. No obligation.
  • Working prototype within 3 weeks of kickoff.
  • Pay by milestone. You see progress before each invoice.
  • 60-day post-launch warranty. Bug fixes, UI tweaks, and deployment support. No retainer.
  • All conversations are NDA-protected.

Go deeper

Browse our case studies

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