Cross-border converter
CNAE-2025 42.91 → CAE Rev 4 equivalent (Portugal)
Spain's national activity classification (CNAE-2025) shares its 4-digit backbone with the EU NACE Rev 2.1 standard. We use that backbone to surface the equivalent CAE Rev 4 subclass(es) used in Portugal.
Shared EU parent
42.91
Construction of water projects
42.91
Obras hidráulicas
42910
Engenharia hidráulica
Compreende as atividades de construção e reparação de portos, marinas, aquedutos, comportas, barragens, diques, vias navegáveis, trabalhos de dragagem, de proteção e de defesa da costa, assim como a realização de outros trabalhos ¿em água¿.
About this conversion
CNAE-2025 is the activity classification used in Spain. CAE Rev 4 is the equivalent system in Portugal. Both are national implementations of EU NACE Rev 2.1, so any 5th-digit subclass in one system can be traced back to a shared 4-digit EU class — and from there, forward into the other country's subclasses.
This page is generated for the query "CNAE-2025 42.91 to CAE Rev 4" and stays in sync with our monthly Market Intelligence sync.