What is UNSPSC classification and how does the hierarchy work?

UNSPSC (United Nations Standard Products and Services Code) is a global standard that organizes products and services into a four-level hierarchical structure: Segment (2 digits), Family (2 digits), Class (2 digits), and Commodity (2 digits). This 8-digit system enables precise categorization across all industries, from raw materials to finished services.

Which industries and platforms use UNSPSC codes most frequently?

UNSPSC codes are extensively used by e-procurement platforms like SAP Ariba and Coupa, government procurement systems (GSA schedules), healthcare supply chains, manufacturing ERP systems, and B2B marketplaces. They enable spend analysis, vendor management, and cross-industry product standardization.

How often are UNSPSC codes updated and what's the latest version?

UNSPSC codes are updated semi-annually by GS1 US. The current version (v26.0801 from August 2023) contains over 150,000 active codes covering both products and services across all sectors. Updates include new codes for emerging technologies and market changes.

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UNSPSC Classification Guide

Whether you are a vendor submitting a proposal to a government agency or a procurement manager analyzing corporate spend, understanding the United Nations Standard Products and Services Code (UNSPSC) is essential. Navigating global supply chains requires a universal language, and UNSPSC serves as the standard vocabulary for products and services across all industry sectors.

What is the UNSPSC system?

The UNSPSC is a globally recognized, open, and multi-sector taxonomy used to classify both products and services. Originally developed jointly by the United Nations Development Programme (UNDP) and Dun & Bradstreet in 1998, it is now managed by GS1 US.

Unlike other coding systems that might only focus on specific industries or regions, UNSPSC is designed to cover everything from raw materials and heavy machinery to software subscriptions and janitorial services. Because it is a unified global standard, it removes the friction of language barriers and regional dialects in B2B (business-to-business) commerce.

Why do businesses and governments use UNSPSC?

Advanced Spend Analysis

Procurement departments use these codes to categorize purchases, identify spending patterns, negotiate better bulk rates, and eliminate redundant purchases.

Streamlined E-Procurement

In B2B marketplaces, standardizing product catalogs with UNSPSC codes allows buyers to search for specific items across multiple suppliers instantly.

Government Contracting

Many federal, state, and local government agencies require vendors to list UNSPSC codes, automating the bidding process and matching contracts to suppliers.

Improved Product Discovery

For suppliers, tagging their catalog with accurate codes ensures products appear in correct categories when buyers use global procurement networks.

The 8-digit code structure

The true power of the UNSPSC taxonomy lies in its logical, four-level hierarchical structure. Each code consists of eight digits, broken into two-digit pairs.

Level	Digits	Example
Segment	XX000000	44000000 - Office Equipment & Accessories
Family	XXYY0000	44120000 - Office supplies
Class	XXYYZZ00	44121700 - Writing instruments
Commodity	XXYYZZKK	44121706 - Wooden pencils

Note: Sometimes a 9th and 10th digit are added to represent the "business function" such as retail, wholesale, or rental, but the core classification relies on the 8-digit structure.

Current Version is UNSPSC UNv260801.1 (18 March 2025) and it includes over 150,000+ active codes covering products and services across all industries.

UNSPSC vs NAICS: What's the difference?

A common point of confusion is the difference between UNSPSC and NAICS (North American Industry Classification System) codes.

NAICS = Companies

Classifies the company based on its primary industry or economic activity. Example: "Computer Manufacturing" business.

UNSPSC = Products

Classifies the products and services that the company buys or sells. That same manufacturer uses dozens of UNSPSC codes.

Best practices for finding the right code

Finding the perfect code can sometimes feel like finding a needle in a haystack, as there are over 150,000 active codes. Here are tips for using our UNSPSC code finder:

• Search for the noun, not the adjective: Start with the core product (e.g., "monitor") rather than descriptive words (e.g., "flat screen").
• Think in broad categories: If your specific brand or highly niche product isn't showing up, think about what broader category it falls into.
• Check the hierarchy: When you find a code that seems close, look at the "Class" and "Family" levels above it for a more accurate "Commodity" code.

UNSPSC Code Finder