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What is the difference between MTO and MTS?

Published in Manufacturing Strategies 4 mins read

The fundamental difference between Make-to-Order (MTO) and Make-to-Stock (MTS) lies in when products are produced in relation to customer demand: MTS produces items in advance based on forecasts, while MTO produces only after a customer order is received.

Understanding MTO vs. MTS

Make-to-Order (MTO) and Make-to-Stock (MTS) are two primary manufacturing strategies that define how and when products are produced. Each approach has distinct implications for inventory management, lead times, production costs, and customer satisfaction.

Key Differences at a Glance

Feature Make-to-Stock (MTS) Make-to-Order (MTO)
Production Trigger Forecasted demand Actual customer order
Inventory Level High (finished goods) Low (raw materials/components only)
Lead Time Short (immediate delivery from stock) Long (production starts after order)
Customization Low (standardized products) High (tailored to customer specifications)
Demand Predictability Requires predictable and stable demand Suitable for unpredictable or fluctuating demand
Risk of Obsolescence High (if forecasts are inaccurate) Low
Cost Efficiency Lower per unit (economies of scale) Higher per unit (less mass production, more unique setups)
Working Capital More tied up in inventory Less tied up in inventory
Customer Interaction Minimal post-purchase Significant during design and production stages

Make-to-Stock (MTS) Explained

In the Make-to-Stock (MTS) model, products are produced in advance based on forecasted demand. This strategy relies heavily on accurate predictions of what customers will buy and when. Businesses using MTS aim to keep products readily available in stock, allowing them to meet customer demand immediately.

Benefits of MTS:

  • Immediate Availability: Products are ready for immediate purchase, leading to faster delivery and higher customer satisfaction for standard items.
  • Economies of Scale: Production in larger batches can reduce per-unit manufacturing costs, making it suitable for high-volume products.
  • Simplified Production: Standardized processes and products lead to more streamlined and efficient production cycles.
  • Lower Shipping Costs: Products can be shipped from strategically located warehouses, potentially reducing logistics costs.

Challenges of MTS:

  • Inventory Risk: Inaccurate forecasts can lead to overstocking (high holding costs, obsolescence) or understocking (lost sales).
  • Working Capital Tied Up: Significant capital is invested in finished goods inventory.
  • Limited Customization: Products are generic and cannot be easily customized for individual customers.

Ideal Use Cases for MTS:
MTS is beneficial in situations where demand is predictable and stable. It is commonly used for:

  • Everyday Consumer Goods: Ready-made clothing, basic electronics (e.g., smartphones, TVs), packaged foods.
  • Commodities: Standardized materials like lumber, steel, or chemicals.
  • Fast-Moving Consumer Goods (FMCG): Products with high turnover rates, such as beverages and toiletries.

Make-to-Order (MTO) Explained

Conversely, in the Make-to-Order (MTO) model, products are produced only after a customer order is received. This strategy is driven by actual demand rather than forecasts, making it ideal for customized or highly specialized products.

Benefits of MTO:

  • Reduced Inventory Risk: Minimal finished goods inventory means lower holding costs and less risk of obsolete stock.
  • High Customization: Products can be tailored precisely to customer specifications, leading to higher customer satisfaction for unique items.
  • Cost Control: Production is directly tied to orders, reducing waste from overproduction.
  • Fresh Production: Products are newly manufactured, potentially reducing issues related to aging inventory.

Challenges of MTO:

  • Longer Lead Times: Customers must wait for the product to be manufactured, which can be a deterrent if immediate need is paramount.
  • Higher Per-Unit Cost: Lack of economies of scale and specialized production can lead to higher manufacturing costs per unit.
  • Complex Production Planning: Managing diverse orders with varying specifications can be more complex.
  • Reliance on Supplier Reliability: Timely delivery of raw materials is crucial for meeting order deadlines.

Ideal Use Cases for MTO:
MTO is best suited for products where customization is key, demand is unpredictable, or products are high-value and complex. Examples include:

  • Custom Furniture: Sofas, cabinets designed to fit specific spaces and styles.
  • Specialized Machinery: Industrial equipment, medical devices, aerospace components.
  • High-End Fashion/Jewelry: Bespoke suits, custom engagement rings.
  • Commercial Construction: Buildings, bridges, infrastructure projects.

Choosing the Right Strategy

The choice between MTO and MTS depends heavily on the nature of the product, market demand characteristics, competitive landscape, and the company's operational capabilities. Some businesses may even employ a hybrid strategy, using MTS for core components or basic models and MTO for custom features or final assembly. Understanding these differences allows companies to optimize their production processes, manage inventory effectively, and better meet diverse customer expectations.