Manufacturing inventory accuracy fails for predictable reasons: material consumption is recorded at end of shift rather than at point of use, cycle counts are infrequent and disruptive, ERP inventory positions drift from physical reality, and multi-location stock visibility requires manual reconciliation. Perimattic builds custom manufacturing inventory management platforms that capture material movements at the point they occur — goods receipt, goods issue, production consumption, and finished goods receipt — and connect those movements to ERP, MRP, and production planning systems in real time.
Inventory Platform Technology Stack — Node.js, Python, PostgreSQL, SAP, React, TypeScript, Docker, AWS, Kafka, REST APIs, Redis, Barcode SDK
Manufacturing inventory management software is a purpose-built platform that tracks and controls material movements across every stage of the manufacturing process — goods receipt, raw material storage, production consumption, WIP tracking, finished goods receipt, and despatch. A custom manufacturing inventory platform is distinct from a generic inventory system or standard ERP inventory module: it is designed around the specific material flows, BOM structures, storage configurations, and ERP integration requirements of the manufacturing operation, capturing movements at the correct point in the process rather than approximating them through end-of-shift batch updates or periodic physical counts.
The challenge in manufacturing inventory management is that inventory accuracy degrades in specific, predictable ways. Material consumption is recorded at end of shift via backflush calculations that approximate what was consumed rather than recording what was actually issued at the point of production. Cycle counts are infrequent and disruptive, causing managers to defer them until inventory positions have drifted significantly from physical reality. ERP inventory positions lag the physical state of the manufacturing floor by hours or shifts, creating production shortages that were not visible until the materials were needed on the line. Multi-location stock visibility across raw material stores, line-side supermarkets, WIP holding areas, and finished goods warehouses requires manual reconciliation that is always out of date. The result is production shortages, over-purchasing, cost variances, and management time spent reconciling what the system shows against what is physically present.
Perimattic builds custom manufacturing inventory management platforms that address these failure modes directly. Every engagement begins with a thorough discovery of the actual material flows and storage structures before any platform design decisions are made. We design event-driven inventory architectures that capture movements at the point they occur — scan at goods receipt, scan at goods issue, scan at production consumption, scan at finished goods handover — and connect those events to ERP, MRP, and production planning systems in real time. We build cycle count programmes designed to maintain accuracy without halting production operations. And we deliver in phases, testing each inventory capability against real manufacturing scenarios before production deployment.
Stock accuracy
Periodic physical counts to reconcile — inventory positions between counts are approximations, creating shortages that are invisible until materials are needed
Stock accuracy
Real-time inventory updated at every movement — scan at goods receipt, goods issue, production consumption, and finished goods handover keeps stock positions accurate
Material consumption
Batch recording at end of shift via backflush calculations that approximate what was consumed rather than recording actual point-of-use issues
Material consumption
Point-of-use consumption recorded at goods issue — scan-confirmed material issues against production orders at the moment of physical movement
Multi-location visibility
Manual reconciliation across sites — raw material stores, line-side supermarkets, WIP areas, and finished goods warehouses require separate manual stock checks
Multi-location visibility
Unified real-time view across all manufacturing locations — consolidated inventory position with site-specific rules and inter-site transfer management
Reorder management
Manual reorder point checking — planners check stock levels periodically against reorder triggers, with purchases placed too late or too early relative to production demand
Reorder management
Automated reorder alerts and purchase requisition creation — stock movements trigger reorder calculations and raise purchase requisitions without manual intervention
ERP integration
Manual stock updates in ERP — warehouse operatives re-key movements into ERP hours after they occur, with ERP positions always lagging physical reality
ERP integration
Event-driven inventory movements automatically updating ERP positions — goods receipt, consumption, and transfer events post to ERP in real time via structured integration
The operational cost of manufacturing inventory inaccuracy is visible in production shortages that were not forecast, over-purchasing that inflates working capital, cost variances that cannot be explained from the inventory record, and the management time spent reconciling what the system shows against what is physically on the shop floor.
Seven inventory capability areas covering the complete manufacturing inventory operation — from custom platform development and real-time stock tracking through BOM integration, cycle counting, multi-location management, and ERP synchronisation.
Bespoke manufacturing inventory platforms covering raw materials, WIP, finished goods, and spare parts — built around the specific material flows, storage structures, and ERP integration landscape of the manufacturing operation rather than the constraints of a packaged inventory module.
Goods receipt, goods issue, production consumption, scrap, and returns tracked at point of occurrence with scan confirmation. Every inventory movement updates ERP positions immediately — not in batch at end of shift — ensuring stock data reflects physical reality at all times.
Bill of materials driven consumption planning, material requirements calculations, and production order material allocation — connecting inventory movements to production orders, BOM structures, and MRP demand signals from the start of the engagement.
Systematic cycle counting programmes, physical inventory management, variance reporting, and ERP reconciliation workflows — designed to maintain inventory accuracy without halting production operations, with count frequency calibrated to item value and movement rate.
Unified inventory visibility across multiple manufacturing sites, warehouses, and storage areas with site-specific rules, inter-site transfer management, and consolidated reporting — providing group-level stock positions while respecting site-level operational requirements.
Reorder point monitoring, automated purchase requisition creation, and supplier management integration — connecting actual consumption and stock positions to procurement workflows to replace manual reorder checking with event-driven replenishment signals.
Integration with SAP, Oracle, Dynamics, ERPNext, and production planning systems for real-time stock position synchronisation — designed with structured integration layers, proper error handling, retry logic, and reconciliation rather than fragile point-to-point connections.
A structured six-stage process from free inventory operations discovery through production deployment and ongoing platform support.
We map your material flows, storage structures, current inventory accuracy, and ERP integration landscape. This free session produces a clear picture of current-state inventory movements and system dependencies before any platform architecture decisions are made.
We document material movements, BOM structures, cycle count programmes, and integration requirements in detail — identifying all ERP, MRP, and production system dependencies and producing a phased delivery roadmap.
We design the inventory platform architecture and build a proof of concept against the most complex inventory movement — typically production consumption at point of use — to validate the approach and surface any data or technical risks before full development investment begins.
We build the inventory platform incrementally, integrating with ERP, MRP, and production systems throughout. We implement barcode scanning interfaces and event-driven inventory update architecture at each phase.
We test against real manufacturing inventory scenarios, edge cases, and integration failure modes. We run inventory acceptance testing with manufacturing operations and planning teams before production go-live.
We deploy to production with CI/CD pipelines, monitoring, alerting, and operational runbook documentation. We support the post-deployment period and offer engineering retainers for ongoing inventory programme evolution and platform development.
We map your material flows, storage structures, current inventory accuracy, and ERP integration landscape. This free session produces a clear picture of current-state inventory movements and system dependencies before any platform architecture decisions are made.
We document material movements, BOM structures, cycle count programmes, and integration requirements in detail — identifying all ERP, MRP, and production system dependencies and producing a phased delivery roadmap.
We design the inventory platform architecture and build a proof of concept against the most complex inventory movement — typically production consumption at point of use — to validate the approach and surface any data or technical risks before full development investment begins.
We build the inventory platform incrementally, integrating with ERP, MRP, and production systems throughout. We implement barcode scanning interfaces and event-driven inventory update architecture at each phase.
We test against real manufacturing inventory scenarios, edge cases, and integration failure modes. We run inventory acceptance testing with manufacturing operations and planning teams before production go-live.
We deploy to production with CI/CD pipelines, monitoring, alerting, and operational runbook documentation. We support the post-deployment period and offer engineering retainers for ongoing inventory programme evolution and platform development.
Select a production model to see how we design, build, and integrate manufacturing inventory management platforms for enterprise manufacturing operations.
Discrete parts manufacturers manage component inventories, BOM-driven consumption, and kitting operations — requiring inventory platforms that track individual part numbers from goods receipt through production consumption to finished goods, with ERP integration at every step.
Discrete parts manufacturers manage component inventories, BOM-driven consumption, and kitting operations — requiring inventory platforms that track individual part numbers from goods receipt through production consumption to finished goods, with ERP integration at every step.
Process and batch manufacturers operate with lot-controlled materials, yield tracking, and batch traceability requirements — demanding inventory platforms that manage batch identity from receipt through production into finished goods with full traceability.
Contract and toll manufacturers hold customer-owned materials that must be strictly segregated, accurately reported, and consumed only against authorised production orders — requiring inventory platforms with customer isolation, consumption reporting, and reconciliation built in.
Maintenance, repair, and operations spare parts management requires inventory platforms that track critical spares, enforce minimum stock levels, and connect replenishment to maintenance schedules — keeping production lines running without over-stocking expensive components.
Manufacturing groups operating across multiple sites require inventory platforms that consolidate stock visibility, manage inter-site transfers, and apply site-specific rules — while providing group-level reporting for procurement and planning.
Lean and JIT manufacturing environments require inventory platforms that support Kanban replenishment, consumption-driven ordering, and supermarket management — minimising inventory holdings while ensuring materials are available when production needs them.
Perimattic's work resulted in stable production systems. The team was helpful, easily accessible, and communicative through email. Their professionalism was impressive.
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
4.5
DevOps Managed Services · Oct 2023 – Aug 2024
24/7 monitoring and support for production environments plus Linux server administration for a leasing automation company.
The new architecture is scalable and highly efficient, saving a lot of money in fees. Perimattic provides high-quality IT consulting and cloud development work promptly and at great value. The team remains involved from the planning stage to providing support, showing diligence and proactiveness.
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0
AWS Migration (Legacy → Microservices) · Nov 2018 – Ongoing
Transitioned a travel systems company's legacy server system to an AWS-based microservices architecture with ongoing maintenance.
Four structural advantages that separate manufacturing inventory platforms built for real production environments from systems that work in a demonstration but fail to maintain accuracy under production conditions.
Every inventory platform engagement begins with a thorough mapping of your actual material flows, storage structures, and ERP integration landscape before any platform design decisions are made. We understand how materials actually move through the manufacturing operation — from goods receipt through production consumption to finished goods handover — before designing software for it. This prevents the most common inventory platform failure: a technically correct system that does not capture movements at the right point in the manufacturing process.
Inventory movements in manufacturing are not standalone transactions — they are connected to production orders, BOM structures, and MRP demand calculations. We design and build these connections from the start of the engagement: material issues are recorded against production order BOM positions at point of use, consumption drives MRP demand updates, and reorder calculations incorporate actual production schedules. This is what separates an inventory platform that keeps manufacturing data accurate from one that is simply a stock ledger.
Cycle count architecture that maintains inventory accuracy without halting production operations — count tasks are designed around production schedules, count frequencies are calibrated to item value and movement rate, and variance investigation workflows are built to resolve discrepancies before they become production shortages. We design the cycle count programme alongside the inventory platform, not as an afterthought, because count data quality is what determines whether inventory positions remain accurate between full physical stocktakes.
The team that maps your material flows and designs the inventory platform architecture also builds, tests, and deploys it. There is no handoff between a consulting team and a delivery team, no loss of manufacturing context between discovery and implementation. You work with the same engineering team from the initial inventory operations review through production deployment and post-launch support.
“A manufacturing inventory system that does not capture material consumption at the point of production — instead relying on batch updates at end of shift or periodic physical counts — will always show inventory positions that lag physical reality. That lag is where production shortages, over-purchasing, and cost variances are created.”
Manufacturing inventory management software is a purpose-built platform that tracks and controls material movements across every stage of the manufacturing process — goods receipt, raw material storage, production consumption, WIP tracking, finished goods receipt, and despatch. Unlike generic inventory systems or standard ERP inventory modules, a custom manufacturing inventory platform captures stock movements at the point they occur — at goods issue, at production line consumption, at finished goods handover — and connects those movements to ERP, MRP, and production planning systems in real time. The result is inventory positions that reflect the current physical state of the manufacturing operation rather than a batch reconciliation of what happened during the last shift or day.
Standard ERP inventory modules are designed for the general case — they handle goods receipt and goods issue but often lack the granularity required for accurate manufacturing inventory management. They do not capture material consumption at the point of use on the production line; they rely on batch backflushing or end-of-shift reporting that introduces hours of lag between physical consumption and ERP inventory update. They do not support complex cycle count programmes that maintain accuracy without halting production. They do not handle the nuances of BOM-driven consumption, yield variance, scrap recording, or multi-location transfer in the way manufacturing operations actually manage these movements. A custom manufacturing inventory platform is built around how the manufacturing operation works — capturing movements at the correct point, integrating with the specific ERP, MRP, and production systems in use, and supporting the cycle count and reconciliation programmes that keep inventory accurate.
A custom manufacturing inventory platform manages the complete range of material movements in a manufacturing operation: goods receipt and purchase order confirmation at the inbound dock; quality inspection hold and release; putaway to raw material storage locations; goods issue to production orders; BOM-driven consumption recording at point of use; scrap and yield variance recording; semi-finished goods transfer between production stages; finished goods receipt from production; inter-location and inter-site transfers; returns to supplier; and cycle count adjustments. Each movement is captured at the point it occurs — not in batch at end of shift — and drives immediate updates to ERP inventory positions, MRP demand calculations, and production planning systems.
BOM and MRP integration is a core design requirement for manufacturing inventory platforms, not an afterthought. The platform integrates with the production order system to receive BOM structures for each production order and use those structures to calculate material requirements, pre-allocate stock, and record consumption against the correct production order and BOM position as materials are issued. MRP integration provides the demand signals that drive reorder point calculations and purchase requisition creation, ensuring that replenishment orders are placed at the right quantity and time based on actual production schedules rather than static safety stock rules. We design and build these integrations with SAP MM/PP, Oracle, Dynamics, and ERPNext production modules as part of the platform architecture.
Yes. Multi-location inventory management is a standard capability of custom manufacturing inventory platforms. The platform can manage inventory across raw material stores, line-side supermarkets, WIP holding areas, finished goods warehouses, and off-site storage — with site-specific rules, transfer management between locations, and consolidated reporting across the full inventory network. For manufacturing groups operating across multiple sites, the platform provides group-level inventory visibility with inter-site transfer management, consolidated procurement signals, and site-specific inventory rules. Each location or site can have its own ERP integration configuration, reorder parameters, and cycle count schedule while contributing to a single consolidated inventory position.
Barcode scanning eliminates the primary cause of inventory inaccuracy in manufacturing environments: the gap between when a physical movement occurs and when it is recorded in the inventory system. When materials are received, scanned at goods-in and confirmed against a purchase order, the inventory update happens immediately — not when the paperwork reaches the office. When materials are issued to production, the scan-at-issue event records the consumption against the production order and BOM position at the point it happens — not at end of shift via a backflush calculation that approximates what was consumed. When finished goods are booked into the finished goods store, the scan at handover creates the inventory record at that moment. We build the scanning interfaces — mobile web or native applications — and the event-driven processing architecture that turns scan events into immediate, accurate inventory updates.
A well-designed cycle count programme divides the total inventory into count groups — typically by location zone, ABC classification of part value, or a combination — and rotates through those groups on a defined schedule so that every item is counted multiple times per year without requiring a complete production shutdown for a full physical stocktake. The manufacturing inventory platform supports cycle counting by generating count tasks for operatives, recording count results by location and part number, calculating variances against system quantities, and routing variances above defined thresholds for investigation and approval before adjustment. The cycle count architecture is designed to be conducted during normal production operations — not to require a production halt — and the count frequency for high-value or high-movement items is calibrated to maintain accuracy where inventory errors have the greatest cost impact.
Yes. ERP integration is a central component of every manufacturing inventory platform we build. We design and implement structured integration layers — using REST APIs, event-driven messaging via Kafka or similar, and ERP-specific adapters — that connect the inventory platform with SAP (MM, PP, WM), Oracle, Microsoft Dynamics, and ERPNext. The integration typically covers purchase order receipt and goods-in confirmation, production order material allocation and goods issue, finished goods goods receipt, inventory transfer posting, cycle count variance adjustments, and automatic reorder creation. We handle authentication, data mapping, error handling, retry logic, and reconciliation, and we begin every engagement with a thorough audit of the existing ERP integration landscape before designing the target architecture.
Lean and JIT manufacturing environments require inventory software that supports consumption-driven replenishment rather than forecast-driven stock holding. The platform supports Kanban card management — physical or electronic — triggering replenishment when cards are returned to the replenishment point, with purchase orders or production orders raised automatically. It manages line-side supermarket inventory, tracking holdings in each supermarket location and triggering replenishment from the central store when levels fall below defined triggers. It connects actual production consumption to supplier ordering in near real time, replacing periodic MRP runs with event-driven replenishment signals. The cycle count programme is designed to validate inventory accuracy without disrupting production flow, and reorder calculations incorporate supplier lead times and production takt time to eliminate both stock-out and over-supply.
We follow a structured six-stage process: a free discovery and scoping session mapping your material flows, storage structures, current inventory accuracy, and ERP integration landscape; a stock flow mapping and ERP audit phase that documents material movements, BOM structures, cycle count programmes, and integration requirements in detail; a platform architecture and proof-of-concept phase that designs the inventory platform and validates the approach against the most complex inventory movement (typically production consumption at point of use); platform development and integration building the inventory platform and connecting it to ERP, MRP, and production systems; testing and inventory acceptance testing against real manufacturing inventory scenarios, edge cases, and integration failure modes; and deployment with monitoring, runbooks, and ongoing support for the inventory programme and platform evolution. We deliver working software at each phase so you can validate progress against manufacturing requirements throughout the engagement.
Tell us about your manufacturing inventory operation — the current systems, the inventory movements that are not being captured at the right point, and the ERP integrations that are creating lag between physical reality and system positions. We will show you exactly how a custom manufacturing inventory platform can replace the batch updates and manual reconciliation with event-driven, scan-confirmed inventory management connected to your ERP and production systems.