
Inventory is the foundation of effective company operations; it is not only goods on shelves. Raw materials waiting to be processed, completed goods ready for sale, and supplies needed for everyday operations all contribute to the smooth running of a company, which depends on inventory. Effective management of it might make the difference between operational excellence and expensive inefficiencies.
A well-organised inventory tracking system guarantees companies stay in the proper balance, eliminating stockouts that stop production and avoiding too high storage expenses. Understanding the many kinds of inventory helps businesses better classify their assets, which enhances decision-making and helps to save costs.
From retail warehouses to manufacturing plants, companies depend on Inventory management types to maximise storage, cut waste, and simplify supply chains. Accurate tracking of inventory categories helps companies to have a real-time understanding of stock levels, movement, and general asset value—all important components for increasing profitability and efficiency.
Understanding Inventory: Definition and Classification
Inventory is the assortment of items, supplies, and goods a company owns for operational needs, sales, or manufacturing. This vital tool directly affects cash flow, production productivity, and customer happiness. For small businesses seeking efficiency, an inventory management system for small business has become essential for maintaining business continuity and profitability, whether handling completed goods ready for delivery or raw materials for manufacture.
Classification of Inventory
Inventory is categorised according to financial treatment, use, and intent. Every type of inventory fits at different phases of the supply chain, which influences companies’ asset tracking and management.
1. Classification by Purpose and Use
- Raw materials are the fundamental components applied in manufacturing. For instance, flour is used in baking, and steel is utilised in the manufacturing of cars. By means of efficient tracking of raw materials, companies can lower waste and prevent manufacturing interruptions.
- Items in the Work-in-Progress (WIP) Inventory – that is, those half-finished and still under production—are included. Maintaining accurate cost estimates and guaranteeing seamless workflow depends on the exact tracking of WIP inventories.
- Finished goods are those that are completely produced and ready for market. Retailers and wholesalers have to effectively control this product inventory to satisfy client demand and avoid overstocking.
Items like tools, office supplies, and spare parts are absolutely vital for company operations MRO Inventory—Maintenance, Repair, and Operations). MRO inventory is essential for keeping seamless operations even though it is not sold to consumers.
2. Classification by Financial Accounting
- Merchandise Inventory: Found in retail and online, merchandise inventory is items bought for resale. Correct financial reporting in accounting depends on the accurate classification of various forms of inventories.
- Consignment Inventory: Products kept on a retailer’s premises but owned by a supplier until sold are known as consignment inventory. Consignment model users of businesses must have strong tracking systems to handle sales records and ownership.
- Obsolete or Excess Inventory: Slow-moving stock that is no longer in demand. Businesses have to pay great attention to this category to prevent unsold products from causing financial losses.
Knowing the type of inventory helps companies to apply improved financial control and asset tracking techniques. Correct classification enhances supply chain effectiveness, helps to maximise storage capacity, and prevents stock variances.

Different Types of Inventory
Every company handling tangible products controls some kind of inventory. Though there are other ways to categorise inventory, most businesses deal with four primary kinds: Raw Materials, Work-In-Process (WIP), Finished Goods, Maintenance, Repair, and Overhaul (MRO) Inventory. Every category contributes differently to operations and calls for particular tracking strategies to maximise effectiveness and lower waste.
Raw Materials Inventory
The basic components utilised to create completed commodities are raw materials. Through effective inventory management solutions like the itemit app, companies can track both direct materials—like wood used in furniture manufacture—and indirect materials—like lubricants used in machinery. Companies have to closely control their inventory of raw materials to prevent shortages that can cause production to be disrupted or too much hoarding to tie down funds.
For instance, a clothes company depends on thread, zippers, and fabric in its product inventory. Modern inventory management tools ensure precise tracking of raw materials, guaranteeing flawless cost control and manufacturing scheduling.
Work-In-Process (WIP) Inventory
Items partially finished but not yet available for sale are known as work-in-process (WIP) inventory. This can be covered through manufacturing custom-built furniture or commodities at several phases of assembly in a facility.
Maintaining correct cost estimations depends on proper WIP inventory management. Businesses need good tracking since materials, labor, and overhead expenses build up during production to avoid bottlenecks and keep financial transparency. In sectors including automotive, aerospace, and electronics manufacturing, WIP is a vital inventory category.
Finished Goods Inventory
Products enter the finished goods inventory phase once manufacturing ends. Whether direct, wholesale, or retail, these items are ready for sale to consumers.
Meeting demand without overproducing depends on businesses tracking completed goods inventory. While understocking may cause lost sales possibilities, overstocking might result in higher storage costs. Retailers, for instance, depend on real-time tracking to guarantee that the correct amounts of various goods are always on hand.
Maintenance, Repair, and Overhaul (MRO) Inventory
MRO inventory is different from other inventory kinds that bring income since it contains necessary items that keep functioning smoothly. This covers tools needed for machine maintenance and repairs, cleaning supplies, safety gear, and spare components.
MRO items are essential for business continuity even when they have little direct bearing on sales. For example, a manufacturing facility has to keep an inventory of spare parts to prevent expensive downtime should equipment break down. Businesses run the danger of delays and inefficiency without good tracking.
Understanding these 4 types of inventory helps companies to apply more successful asset-tracking systems. Accurate stock classification and inventory flow optimisation help businesses lower costs, increase effectiveness and enhance their supply chains.

Additional Inventory Categories
Beyond the 4 types of inventory, companies could divide stock into further groups depending on accounting treatment, valuation, or ownership. These categories guarantee improved tracking, financial planning, and operational effectiveness, thus helping to strengthen inventory control techniques.
Knowledge of fundamental financial ideas about pricing and profitability—more especially, margin and markup—is also necessary to completely appreciate inventory management. Although both words are used to figure profits, they have different meanings and can greatly affect pricing policy.
Margin vs. Markup: Key Differences
Definition
- Margin refers to the percentage of revenue that remains as profit after covering costs.
- Markup is the percentage added to the cost price to determine the selling price.
Formula
- Margin: (Selling Price – Cost Price) ÷ Selling Price × 100
- Markup: (Selling Price – Cost Price) ÷ Cost Price × 100
Perspective
- Margin focuses on profit as a portion of revenue.
- Markup determines how much extra is charged over the cost price.
Impact on Pricing
- Margin ensures businesses set competitive prices while maintaining profitability.
- Markup helps companies determine how much to increase prices to cover costs and desired profit.
Example
For a product that costs $50 and sells for $100:
- Margin = 50%
- Markup = 100%
Common Use Cases
- Margin is used in financial reporting and profit analysis.
- Markup is applied in pricing strategies and cost-based pricing models.
Effect on Business Strategy
- Margin helps ensure long-term profitability and financial sustainability.
- Markup aids businesses in setting price points that support sales growth.
How Margin and Markup Influence Inventory Decisions
- Pricing Strategy: Businesses using a markup-based approach focus on covering costs and ensuring a consistent profit margin. However, relying solely on markup can lead to mispricing if market conditions shift.
- Profitability Analysis: Understanding margin helps companies assess whether their present price structure is sustainable, guaranteeing they are not reducing profits.
- Inventory Valuation: Determining the worth of various inventory categories calls on businesses to match pricing to their cost systems. While low-margin items call for tighter inventory control, high-margin products may justify more overall inventory investment.

The Role of Asset Tracking in Inventory Management
Accurate tracking is what defines good inventory control. Businesses run the danger of overstocking, understocking, misplacing expensive assets, or losing control of expenses without a framework in place. Contemporary Inventory tracking systems enable businesses to control inventory levels, simplify logistics, and stop financial losses. By guaranteeing higher accuracy and efficiency, technologies such as barcodes, RFID, and cloud-based platforms have revolutionised the way businesses handle their inventory of products.
Key Inventory Tracking Technologies
1. Barcodes: Simple, Reliable, and Cost-Effective
Still, one of the most often utilised techniques for tracking various kinds of inventories is barcoding. Every item has a distinct barcode that one may quickly update stock levels by scanning. Companies gain from:
- Faster data entry – Eliminates manual record-keeping errors.
- Improved inventory accuracy – Reduces discrepancies between stock records and physical inventory.
- Cost efficiency – Requires minimal setup, making it ideal for businesses of all sizes.
2. RFID: Advanced Tracking for Greater Visibility
RFID, or radio frequency identification, elevates inventory tracking. Unlike barcodes, RFID tags allow things to be traced remotely as they pass through supply chains, therefore eliminating direct scanning. Among the benefits are:
- Real-time inventory monitoring – Businesses can track assets instantly, reducing stockouts
- Enhanced security – RFID helps prevent theft and loss by providing location-based tracking.
- Better warehouse management – Ideal for large operations where manual tracking is impractical.
3. Cloud-Based Inventory Management: Data-Driven Control
Cloud-based platforms integrate inventory management types with automation, analytics, and remote access. These systems:
- Centralise inventory data – Accessible from multiple locations, keeping stock levels up-to-date.
- Automate reordering – Reduces human error by setting reorder alerts for low-stock items.
- Enable predictive analysis – Helps businesses anticipate demand fluctuations and optimise stock levels.
How Asset Tracking Reduces Losses and Improves Accuracy
Using these technologies, businesses can:
- Reduce shrinkage – Tracking systems deter theft, misplacement, and damage.
- Enhance audit accuracy – Digital records ensure compliance with financial regulations regarding inventory types in accounting.
- Optimise resource allocation – Better data visibility allows companies to prioritise stock replenishment and avoid unnecessary expenses.
Optimising Inventory Management Through Effective Tracking
The success of a company depends on efficient management of inventories. We have looked at the several kinds of inventory and their effects on operations throughout this paper. From work-in-process inventory and raw materials to completed goods and MRO inventory, every category has a different use in supply chains. Knowing the type of inventory helps companies allocate resources, keep financial accuracy, and make wise judgments.
Beyond classification, contemporary inventory control depends much on asset tracking. Real-time data made available by technologies including barcodes, RFID, and cloud-based platforms helps companies avoid stockouts, lower shrinkage, and simplify logistics. These fixes guarantee that inventory data stay correct, hence improving operational effectiveness and financial planning.
Companies that invest in innovative inventory tracking systems have a competitive edge in today’s fast-moving markets. Using the correct tools will help businesses maximise storage, reduce waste, and increase revenue. Precision tracking is now required whether managing inventory types in accounting or improving warehouse logistics; it is not a choice.

Try itemit
Choose a better way to track your assets. Start your free 14-day trial now!

Latest posts
itemit Blog
Tips, guides, industry best practices, and news.
Markup vs. Margin Difference: Optimise Inventory Profitability
Learn the key differences in margin vs markup in inventory management. Understand how each affects pricing, profitability, and business growth to optimize your strategy
How to Optimise Product Inventory Management
Learn how to optimize product inventory management with effective strategies, a product inventory management system, and best practices for efficiency.
Buffer Stock in Inventory Management: How It Optimizes Supply Chain Efficiency
Learn the meaning of buffer stock, its role in inventory management, and how it optimizes supply chains. Explore strategies and tools for effective stock management.