72421000 - Internet or intranet client application development services

CPV code 72421000 in the EU Common Procurement Vocabulary refers to Internet or intranet client application development services. It sits at level 4 of the CPV hierarchy as a category within the 72 division. This code is nested directly under 72420000, narrowing the broader category into the specific area of internet or intranet client application development services. As a leaf code, 72421000 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 internet or intranet client application development services. Contracting authorities across the EU use 72421000 in TED notices and national procurement portals to signal that a tender relates to internet or intranet client application development services.