What is custom inventory management software?

Custom inventory management software is a system built around your specific product catalogue, warehouse layout, and stock management workflows, rather than a generic platform you adapt to fit your operations. A custom system tracks stock in real time as it moves, enforces the business rules specific to your products (lot tracking, expiry dates, serial numbers, FIFO/FEFO), and integrates with your existing systems for automated stock updates across channels.

When does custom inventory management make sense?

Custom makes sense when: (1) Your product types have specific tracking requirements that generic platforms handle poorly, lot numbers, serial numbers, expiry dates, custom attributes. (2) You operate across multiple locations, warehouses, or fulfilment centres and need unified visibility. (3) Your inventory data needs to flow automatically between your e-commerce platform, ERP, and 3PL, and the native integrations between them are insufficient. (4) You're doing something non-standard, consignment inventory, customer-owned stock, complex FEFO rules. Off-the-shelf platforms like TradeGecko or Cin7 are good for standard retail inventory. Custom makes sense when your operations are the differentiator.

What types of products and tracking methods do you support?

We build inventory systems for physical products with standard SKU tracking, lot/batch-tracked products (food, pharma, chemicals), serialised products (electronics, machinery, medical devices), and products with expiry dates requiring FEFO management. For physical tracking, we support barcode scanning (1D and 2D), QR codes, and RFID. We build mobile apps for warehouse staff to scan stock movements from a phone or tablet. The tracking method is designed around your product characteristics and warehouse operations.

How do you handle multi-location inventory?

Multi-location inventory means you need to see stock across all your locations at once, not in separate systems. We build systems with a unified stock view across warehouses, retail locations, 3PL facilities, and in-transit stock. Stock transfers between locations are tracked with full movement history. Each location can have its own reorder points, minimum stock levels, and receiving workflows. The unified view gives you the data to make replenishment decisions across the whole network.

What system integrations do you typically build?

Common integrations for inventory management systems include e-commerce platforms (Shopify, WooCommerce, Magento) for order-driven stock deductions, ERP systems (SAP, NetSuite, Dynamics) for financial stock valuation, warehouse management systems for pick-pack-ship operations, supplier systems for purchase order management and ASN receipt, and shipping carriers for fulfilment tracking. We scope the integration requirements during discovery and build the connectors specific to your stack.

What does custom inventory management software cost?

A focused inventory management system covering single or multi-location stock tracking, reorder management, and basic integrations typically runs $30,000 to $60,000. Multi-warehouse platforms with advanced lot tracking, mobile scanning apps, and multiple system integrations run $70,000 to $140,000. Cost depends on product catalogue complexity, number of locations, and integrations required. We scope every project before pricing it.

Inventory Management Software Development

Spreadsheet inventory management breaks down when your SKU count grows, your locations multiply, or your fulfilment speed requirements exceed what manual tracking can support. You end up with stock accuracy problems, stockouts, and overstocking, all at the same time.
We build custom inventory management systems designed for your specific product types, warehouse layout, and fulfilment operations. Real-time stock visibility, reorder automation, and the integrations your operations stack requires.

See our work

Custom inventory tracking for your product types, locations, and fulfilment model
Real-time stock levels, movement history, and reorder automation
Barcode, QR code, and RFID support for physical stock management
Integration with your ERP, e-commerce, WMS, and supplier systems

Recent outcomes

Inventory automation · Food & beverage distributor

Built a multi-location stock system with FEFO enforcement and automated reorder triggers. Stockouts dropped to near zero in the first quarter.

0 stockouts in Q1

AI OCR · Gas station operations

Automated daily stock reconciliation using AI-based OCR. 20,000+ transactions processed daily with no manual data entry.

20K+ daily transactions

Operations automation · B2B SaaS

Replaced a fragmented spreadsheet system with a real-time inventory platform integrated with their ERP and e-commerce stack.

0% order errors

4.9 / 5 on ClutchSee all work

Recognition

Sound familiar?

Stock accuracy low because your systems don't update in real time?
Stockouts and overstocking happening simultaneously across different SKUs?

The short answer

RaftLabs builds custom inventory management software for businesses in the US, UK, and Australia. Real-time stock tracking, reorder automation, barcode and RFID scanning, and ERP integration. 100+ products shipped. A focused system starts at $30,000. Fixed price, full IP ownership.

Updated June 2026

Trusted by

Software delivery, by the numbers

software products shipped: 100+

average time to first production release: 12 weeks

rated by clients on Clutch: 4.9/5

years delivering software for established businesses: 9+

Inventory accuracy is not a process problem. It's a systems problem.

When stock levels live in spreadsheets or disconnected systems, the data is always behind reality. Items are sold that aren't in stock. Items sit in the warehouse that nobody knows are there. Reorders happen too late or too early because nobody has a reliable number.

Custom inventory management software gives you one source of truth, updated in real time as stock moves, connected to the systems that create stock movements, and visible to everyone who needs it.

Capabilities

What we build

Real-time stock tracking

Stock levels updated the moment goods are received, picked, transferred, or adjusted, not in a nightly batch. Every movement creates an auditable record: timestamp, quantity, location, reference document, and user. Balances use double-entry transaction accounting, so the current figure is always reconstructable from the audit trail. A single dashboard shows current stock for every SKU across all locations, with available-for-sale calculated as on-hand minus allocated minus quarantine, updated in real time.

Receiving and goods-in

Purchase order-based receiving that matches incoming goods against expected PO lines and flags discrepancies before they enter the live stock balance. Short deliveries, over-deliveries, and unexpected items each get their own workflow instead of being silently accepted. Lot numbers and expiry dates are captured at receipt, scanned from GS1 supplier labels where available. RFID portal receiving matches whole shipments against the ASN in seconds. Supplier fill rate, on-time rate, and lead time variance are tracked on the purchasing dashboard.

Reorder and replenishment

Reorder point triggers calculated from true available stock: on-hand minus allocated minus quality hold, plus pending PO quantity. Reorder points can be static or demand-based, recalculated weekly from trailing demand history so they stay calibrated to seasonal patterns without manual updates. When stock crosses a threshold, the system drafts a purchase requisition with the supporting data and routes it to the buyer's approval queue. Approved requisitions convert to POs and transmit to the supplier by email, EDI, or API.

Lot and serial tracking

Lot and batch tracking with complete forward and backward traceability, from supplier batch to customer order and back. FEFO picking is enforced at the software layer: pick lists select the earliest-expiry lot first, and scanning a different lot requires override approval. Serial numbers carry full movement history from receipt through sale. A lot recall query returns every location and customer order containing a specific lot in seconds, supporting BRC, ISO 13485, and FDA compliance programmes.

Mobile scanning

iOS and Android warehouse app built in React Native, using the device camera as the primary barcode scanner and pairing with Zebra or Honeywell Bluetooth scanners for high-volume picking. Guided pick workflows walk operators through the warehouse in bin-sequence order with FEFO-sorted lot guidance. Blind cycle counts route large variances to supervisor approval before posting. Offline mode queues transactions locally when connectivity drops, then syncs them to the server in order once the network returns.

Reporting and analytics

Stock valuation reports using FIFO or weighted average cost, reconcilable to the balance sheet stock account for period-end close. Inventory turnover, days inventory outstanding, and stock-to-sales ratios surface slow movers before they become carrying cost problems. Weekly demand forecasting and automated ABC classification drive cycle count frequency and reorder priority. Aged inventory and impending expiry reports give buyers the data to mark stock down before it expires, not after.

How we work

From scope to shipped

Every project follows the same four phases. Scope is locked and price is fixed before development starts.

Week 1
01
Discovery and scope
We map your product catalogue, warehouse layout, stock movement types, and integration requirements. You leave week 1 with a written scope document and a fixed-price quote. No development starts without your sign-off.
Weeks 2-3
02
Design and architecture
Data model and workflow design before production code. The stock transaction schema, reorder logic, and integration connectors are specced before any build starts. Changes here cost a fraction of what they cost in week 8.
Weeks 4-12
03
Build, integrate, and QA
Working system at a staging URL by the end of sprint one. Bi-weekly demos. QA runs in parallel with every sprint, covering stock calculation accuracy, scan workflows, and integration reliability.
Weeks 12+
04
Launch and post-launch support
Production deployment with monitoring activated on launch day. 8 weeks of post-launch support included in every project. Cycle count and reorder performance reviewed in the first month.

Why us

Why teams choose RaftLabs

Senior engineers build what they scope
The engineers who assess your inventory problem also build the solution. No bait-and-switch, no offshore handoff after the contract is signed. The team you meet in week 1 ships in week 12.
Fixed price before development starts
We scope the work, calculate the cost, and lock it in writing before any development starts. A scope change is a change request: priced, agreed, or dropped. It never absorbs into the project and appears on the final invoice.
9 years and 100+ products shipped
Clients include Vodafone, T-Mobile, Aldi, Nike, Cisco, and Lockheed Martin. Track record across AI, SaaS, mobile, automation, and enterprise platforms across healthcare, fintech, logistics, and hospitality.
Compliance built in from the start
GDPR, HIPAA, SOC 2 requirements are scoped in week 1, not retrofitted before launch. For inventory systems in food, pharma, and medical devices, lot traceability and audit trail requirements are architectured into the data model from day one.

Related services

Tell us about your inventory management challenge.

We'll design the system and give you a fixed cost before we build.

Talk about your inventory requirements