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Multi-level BOM costing protects manufacturer margins by dynamically rolling up raw material price changes and labor costs across all sub-assembly levels to ensure accurate pricing and eliminate under-margin sales.
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|12 July 2026
Why Multi-Level BOM Costing Thai Factories Save Margins in 2026
Discover how small and mid-sized manufacturers are replacing deceptive single-level spreadsheets with accurate multi-level BOM costing to protect their actual bottom-line margins.
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What is a multi-level Bill of Materials (BOM)?
A multi-level BOM is a hierarchical list of materials, components, and assemblies required to manufacture a product. It shows the relationships between parent items and sub-assemblies in a structured tree format.
Why do single-level Excel spreadsheets fail to track true production costs?
Excel sheets lack relational database logic. When a raw material price changes, it does not automatically update across complex sub-assemblies and final product tabs, leading to outdated quotes and lost margins.
How much does it cost a small Thai factory to implement BOM costing?
A typical implementation takes between 25 to 50 consultant man-days at a professional rate of 7,000 THB per day, resulting in a total investment range of 175,000 to 350,000 THB.
Should a factory import all of its products into the new ERP at once?
No, it is highly recommended to start with your top 10 highest-volume products first. This reduces data entry bottlenecks, allows your team to learn the software, and delivers rapid margin improvements.
What is the most common cause of production ERP implementation failure?
Over-complicating data entry by trying to track micro-materials like drops of glue or industrial grease as individual inventory items instead of managing them as overall production overhead.
