The True Total Cost

of EMS Outsourcing

The lowest unit price is not necessarily the most economical solution.
A TCO assessment also considers logistics,
quality, ramp-up, inventory and other costs.

Strategic Brief: The TCO When Awarding Manufacturing Orders to an EMS – EMS Strategy Group

Why the Lowest Unit Price Does Not Automatically Mean the Lowest Total Cost

When OEMs are deciding whether to award a manufacturing order to an EMS partner, the unit price is often the first factor considered when comparing offers. At first glance, the lowest manufacturing price appears to be the most economical solution. However, the unit price represents only part of the actual costs incurred. A sound decision therefore requires a Total Cost of Ownership (TCO) assessment that takes all costs over a defined evaluation period into account.

Author: Dirk Kaussen | Publisher: EMS Strategy Group

Key Takeaways & Cost Categories in EMS TCO

  • 1. Unit Price vs. Total Cost: Evaluating suppliers solely on unit price can lead to a significantly higher TCO because hidden supply chain costs remain unaccounted for.
  • 2. Direct Manufacturing & Material Costs: While most visible in the quotation, unit prices represent only the tip of the iceberg in overall project expenditure.
  • 3. Logistics, Customs & Quality Assurance: International transport, tariffs, incoming inspections, local audits, and internal OEM supplier management resources heavily impact total cost.
  • 4. Ramp-Up, Transfer & Introduction Costs: One-time expenses for partner qualification, initial sampling, process approvals, parallel production, and equipment moves must be structured into the evaluation.
  • 5. Knowledge Transfer & BOM Management: Underestimated efforts associated with transferring implicit operational knowledge, handling Excess & Obsolete (E&O) material, and qualifying second-source components.
  • 6. Buffer, Flexibility & Country Risks: Longer supply chains increase required safety stock and tied-up capital, while exchange-rate and geopolitical risks demand scenario planning.

How EMS Strategy Group Supports Your Project

  • Development and implementation of company-specific TCO simulation matrices
  • Comprehensive evaluation of EMS quotations beyond unit prices to reveal true cost drivers
  • Sensitivity and scenario analyses covering FX volatility, logistics risks, and buffer stock costs
  • Operational guidance during EMS partner selection, manufacturing relocation, and production ramp-up
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