A public reference portal for NACE Rev. 2.1 with plain-language explanations, source-backed notes, version mappings, and country-specific code variants.
How a code sits in the hierarchy
Public result pages should explain why each code appears, not just list matches.
Use this class for intermediation service activities for food and beverage services activities when the main activity includes Reservation services for restaurants. Check exclusions and nearby codes before applying it to a mixed activity.
Use this code when the main activity is hosting, data processing, infrastructure operation, or related technical platform services.
Use this class for support activities for petroleum and natural gas extraction when the main activity includes Oil and gas extraction service activities provided on a fee or contract basis: and Exploration services in connection with petroleum or gas extraction (e.g. traditional prospecting methods, making geological observations at prospective sites). Check exclusions and nearby codes before applying it to a mixed activity.
Browse the Rev. 2.1 hierarchy with labels, explanatory notes, inclusions, exclusions, and source links.
Describe a business activity and get a careful shortlist with plain-language reasoning and alternatives.
Compare similar codes side by side across titles, inclusions, exclusions, examples, hierarchy, and mappings.
Connect NACE to local systems such as PKD, WZ, NAF, CNAE, ATECO, and more.
Map NACE to adjacent systems and private sector layers with confidence, caveats, and review flags.
Each code page can combine the official label, explanatory notes, inclusions, exclusions, examples, common mistakes, version changes, and national equivalents.