66161000 - Trust services

CPV code 66161000 in the EU Common Procurement Vocabulary refers to Trust services. It sits at level 4 of the CPV hierarchy as a category within the 66 division. This code is nested directly under 66160000, narrowing the broader category into the specific area of trust services. As a leaf code, 66161000 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 trust services. Contracting authorities across the EU use 66161000 in TED notices and national procurement portals to signal that a tender relates to trust services.