Definition (canonical)
The NACE classification is the European Union's statistical system of economic activities — the common coding standard describing WHAT a business does, used across all member states. Every EU company carries NACE-compatible codes in its national registry, which makes NACE the Rosetta stone for comparing businesses across European borders.
Structure and national twins
NACE organizes the economy hierarchically: sections (letters A–U: agriculture to services) → divisions (two digits) → groups (three) → classes (four), e.g. 62.01 — computer programming. Member states extend it nationally with extra digits: Poland's PKD, Germany's WZ, France's NAF — all identical to NACE at the four-digit class level, diverging only in finer national subdivisions. Practical consequence: a Polish 62.01.Z and a German 62.01 describe the same activity — cross-border matching works out of the box at class level. The classification is periodically revised (Rev. 2.1 being rolled out across registries), so timestamped code mappings matter in long-running datasets.
What NACE codes are used for
Statistics — the original purpose: Eurostat aggregates by NACE, so sector reports, market sizes and benchmarks all speak it. Regulation and finance: state-aid eligibility, sectoral restrictions and banking risk models key off activity codes; sanctions and AML screening use them to flag high-risk sectors. Business intelligence and KYB: codes let you segment registries — "all class 47.91 e-commerce retailers in three countries" is a NACE query; verification platforms (Firmopedia included) rely on them to compare like with like across jurisdictions.
The honest limitations
Codes are self-declared and update lazily — companies evolve faster than their registrations, so treat a NACE code as a starting hypothesis about activity, not proof; cross-check against a firm's actual footprint. Class granularity also lumps unlike businesses (one code covers boutiques and giants), and new business models straddle codes awkwardly — a platform may sit in IT, retail or logistics depending on who registered it. The code answers "what family?"; the company's real profile answers "what exactly?".
FAQ
NACE vs NAICS vs ISIC? ISIC is the UN root; NACE the European derivative; NAICS the North American cousin — concordance tables map between them for global datasets.
Can a company have multiple NACE codes? Yes — a primary activity plus secondaries, mirroring national registrations like PKD.
Where do I look up a company's code? In its national registry entry; pan-EU, business data platforms aggregate them — code plus registry status is the minimum viable company profile.
Related: PKD · KYB · AML Reviewed: 2026-07-15 · Sources: Eurostat NACE Rev. 2