71521000 - Construction-site supervision services

CPV code 71521000 in the EU Common Procurement Vocabulary refers to Construction-site supervision services. It sits at level 4 of the CPV hierarchy as a category within the 71 division. This code is nested directly under 71520000, narrowing the broader category into the specific area of construction-site supervision services. As a leaf code, 71521000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns construction-site supervision services. Contracting authorities across the EU use 71521000 in TED notices and national procurement portals to signal that a tender relates to construction-site supervision services.