Lapasar
Sourcing & Suppliers

Bill of Materials (BOM)

Also known as: BOM

A bill of materials (BOM) is a structured list of all the raw materials, components and quantities needed to manufacture or assemble a product.

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A BOM tells procurement exactly what to buy and in what quantity to build a given product. It underpins direct procurement and production planning, linking each finished item to its component parts, sub-assemblies and materials — often in a multi-level hierarchy.

Accurate BOMs prevent both shortages and over-ordering. They feed material requirements planning, help calculate product cost, and let buyers aggregate demand across products to negotiate better pricing on shared components.

Frequently asked questions

What is a bill of materials?
A bill of materials is a structured list of every raw material, component and quantity required to make a product — the shopping list for manufacturing.
Why is a BOM important in procurement?
It defines exactly what and how much to buy for production, prevents shortages and over-ordering, and lets buyers aggregate demand for shared components.

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Operating model · diagram

  1. 01

    AI-first software

    AI-first procurement software for long-tail spend

  2. 02

    Live marketplace

    A live B2B marketplace

  3. 03

    Human services

    Human sourcing and support

  4. 04

    Optional add-on

    Fulfilment support for merchants