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Singapore Customs

Business Resources

Find HS classification tools, Customs rulings, service provider directories, code search tools, and learning resources for businesses.

Last updated 30 January 2026

Harmonised System Classification of Goods

Learn how to classify your goods under the Harmonised System (HS), apply for an official Customs ruling to confirm the correct HS classification for your goods, and use tools to ensure accurate and consistent declarations.

Directories and Tools

Access key business references, including directories of service providers and search tools for country, region and port codes.

Learning Hub

Explore resources, guides, courses and events designed to help businesses understand Customs processes, stay updated on regulatory changes and enhance compliance.