45222300 - Engineering work for security installations

CPV code 45222300 in the EU Common Procurement Vocabulary refers to Engineering work for security installations. It sits at level 5 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45222000, narrowing the broader category into the specific area of engineering work for security installations. As a leaf code, 45222300 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 engineering work for security installations. Contracting authorities across the EU use 45222300 in TED notices and national procurement portals to signal that a tender relates to engineering work for security installations.