Division 71: Architectural and engineering activities; technical testing and analysis

Section N, Professional, scientific and technical activities. 12 subcategories with ISTAT's explanatory notes and the ATECO 2022 codes they come from.

Search for an activity or convert a code

ISTAT publishes ATECO 2022 titles in Italian only.

  1. 71Architectural and engineering activities; technical testing and analysis

    This division includes the provision of architectural services, engineering services, drafting services, building inspection services, and surveying and mapping services.

    This division also includes the performance of physical, chemical, and other analytical testing services, and the provision of technical certification services.

  2. 71.1Architectural and engineering activities and related technical consultancy
    ISTAT explanatory notes ›

    This group includes the provision of architectural services, engineering services, drafting services, building inspection services and surveying and mapping services, and so on.

  3. 71.11Architectural activities
    ISTAT explanatory notes ›

    Excludes

    • renovation, renewal, reconstruction and retrofitting of historical and archaeological sites and buildings, see 43.9943.99
    • activities of computer consultants, see 62.2062.20
    • planning or overseeing conservation of historical civil engineering construction, see 71.1271.12
    • activities of engineering offices, see 71.1271.12
    • archaeological excavations, see 72.2072.20
    • interior decorating, see 74.1374.13
    • conservation, restoration and other cultural heritage support activities, see 91.3091.30
  4. 71.11.0Architectural activities
    ISTAT explanatory notes ›

    Implementation rule

    • Architectural activities are subdivided in design, planning and overseeing of archaeological excavations, and architectural activities n.e.c.
  5. 71.11.01Design, planning and overseeing of archaeological excavations
    From ATECO 2022: 71.11.00 Attività degli studi di architettura (all from here)
    ISTAT explanatory notes ›

    Excludes

    • archaeological excavations, see 72.20.0172.20.01
  6. 71.11.09Architectural activities n.e.c.
    From ATECO 2022: 71.11.00 Attività degli studi di architettura (all from here)
    ISTAT explanatory notes ›

    Includes

    • architectural consulting activities:
      • building design and drafting
      • town and city planning and landscape architecture
    • architectural activities to support the conservation and restoration of cultural heritage properties
    • interior architecture, i.e. redesigning a building's interior structure and layout
  7. 71.12Engineering activities and related technical consultancy
    ISTAT explanatory notes ›

    Excludes

    • test drilling in connection with mining operations, see 09.10, 09.9009.1009.90
    • construction activities for buildings and civil engineering works, see section FF
    • software publishing, see 58.258.2
    • development and programming of software, see 62.1062.10
    • activities of computer consultants, see 62.2062.20
    • development of building projects for residential and non-residential buildings, for later sale, see 68.1268.12
    • technical testing, see 71.2071.20
    • periodic testing of motor vehicles for road safety and roadworthiness, see 71.2071.20
    • research and development activities related to engineering, see 72.1072.10
    • activities related to other design services, see 74.174.1
    • aerial photography, see 74.2074.20
    • activities of quantity surveyors, see 74.9974.99
  8. 71.12.1Engineering activities
  9. 71.12.10Engineering activities
    From ATECO 2022: 71.12.10 Attività degli studi di ingegneria (all from here)
    ISTAT explanatory notes ›

    Includes

    • engineering design (i.e. applying physical laws and principles of engineering in the design of machines, materials, instruments, structures, processes and systems) and consulting activities for:
      • machinery, industrial processes and industrial plant
      • projects involving civil engineering, hydraulic engineering, traffic engineering
      • water management projects
      • nature-based infrastructure
    • design of building information systems (e.g. related to heating systems, extinguisher requirements)
    • elaboration and supervision of projects in relation to electrical and electronic, engineering, mining engineering, chemical engineering, mechanical, industrial and systems engineering
    • elaboration and supervision of projects using air conditioning, refrigeration, sanitary and pollution control, water supply, wastewater treatment, structural engineering, offshore & onshore marine engineering, health and safety engineering, acoustical engineering etc.
    • environmental engineering and related consulting activities
    • site engineering
    • noise abatement engineering
    • circular economy solutions engineering
    • design of computer plans for 3D printing

    Also includes

    • construction supervision
    • project management activities related to engineering
  10. 71.12.2Project management activities related to integrated engineering
  11. 71.12.20Project management activities related to integrated engineering
    From ATECO 2022: 71.12.20 Servizi di progettazione di ingegneria integrata (all from here)
    ISTAT explanatory notes ›

    Includes

    • provision of engineering combined services, e.g. engineering design, technical consulting activities, supervision of projects and elaboration of maintenance plans carried out in an integrated way in various fields of engineering and architecture for the management of civil and industrial construction projects

    Excludes

    • construction activities for buildings and civil engineering works, see section FF

    Implementation rule

    • Integrated engineering activities simultaneously takes into account architectural design and specialised components, e.g. building, structural and plant engineering. Integrated engineering activities do not include construction activities for buildings and civil engineering works, including industrial projects.
  12. 71.12.3Technical consulting provided by surveyors
  13. 71.12.30Technical consulting provided by surveyors
    From ATECO 2022: 71.12.30 Attività tecniche svolte da geometri (all from here)
    ISTAT explanatory notes ›

    Includes

    • design, supervision of projects and consulting activities provided by surveyors
  14. 71.12.4Cartographic and aerophotogrammetric activities
  15. 71.12.40Cartographic and aerophotogrammetric activities
    From ATECO 2022: 71.12.40 Attività di cartografia e aerofotogrammetria (all from here)
    ISTAT explanatory notes ›

    Includes

    • cartographic and spatial information activities

    Also includes

    • activities of photogrammetric surveying (e.g. data collection with drones)
    • preparation and revision of maps
  16. 71.12.5Geophysical and geodetic surveying activities
  17. 71.12.50Geophysical and geodetic surveying activities
    From ATECO 2022: 71.12.50 Attività di studio geologico e di prospezione geognostica e mineraria (all from here)
    ISTAT explanatory notes ›

    Includes

    • geophysical, geologic and seismic surveying
    • geodetic surveying activities:
      • land and boundary surveying activities
      • hydrologic surveying activities
      • subsurface surveying activities

    Also includes

    • activities of bathymetry
  18. 71.2Technical testing and analysis
  19. 71.20Technical testing and analysis
    ISTAT explanatory notes ›

    Excludes

    • inspections of air ducts, water and gas pipes, associated with repair or installation, see section FF
    • sampling and weighing as part of goods handling operations, see 52.2552.25
    • penetration testing of computer systems, ethical hacking and cybersecurity, see division 6262
    • testing and maintaining of business and finance software applications, including online trading software applications, see 62.1062.10
    • consulting activities carried out by companies or professionals in order to obtain a certification, see 70.2070.20
    • DNA sequencing for general research on biological processes, see 72.1072.10
    • testing of animal specimens, for sanitary reasons and not associated with food production, see 75.0075.00
    • diagnostic imaging, testing and analysis of medical and dental specimens, see division 8686
    • DNA sequencing for ruling out or curing a specific disease, see 86.9186.91
  20. 71.20.1Analytical testing of materials and products
  21. 71.20.11Technical testing and analysis for archaeological surveys
    From ATECO 2022: 71.20.10 Collaudi e analisi tecniche di prodotti (all from here)
  22. 71.20.19Other technical testing and analysis of products
    From ATECO 2022: 71.20.10 Collaudi e analisi tecniche di prodotti (in part) · 86.90.13 Laboratori di igiene e profilassi (in part)
    ISTAT explanatory notes ›

    Includes

    • performance of physical, chemical and other analytical testing of all types of materials and products, e.g.:
      • acoustics and vibration testing
      • testing of composition and purity of minerals
      • testing activities in the field of food hygiene, including testing and control in relation to food production (e.g. testing of animals before slaughter)
      • testing of physical characteristics and the performance of materials (e.g. strength, thickness, durability, radioactivity)
      • testing of building materials, soils, rocks, existing structures and constructions
      • qualification and reliability testing
      • performance testing of complete machinery: motors, automobiles, electronic equipment, etc.
      • radiographic testing of welds and joints
      • failure analysis
      • testing and measuring of environmental indicators: air and water pollution, etc.
      • testing the quality of fuels
    • testing with use of models or mock-ups (e.g. of aircraft, ships, dams)
    • operation of police or forensic laboratories

    Also includes

    • inspections of air ducts, water and gas pipes, not associated with repair or installation
    • hygiene and prophylaxis laboratory activities
  23. 71.20.2Quality assessment and certification of products
  24. 71.20.21Product origin assessment activities
    From ATECO 2022: 71.20.22 Attività per la tutela di beni di produzione controllata (all from here)
    ISTAT explanatory notes ›

    Includes

    • product origin assessment activities
    • protected designation of origin (PDO) assessment activities
  25. 71.20.22Periodic road-safety testing of motor vehicles and motorcycles
    From ATECO 2022: 71.20.23 Revisione periodica a norma di legge dell'idoneità alla circolazione degli autoveicoli e motoveicoli (all from here)
    ISTAT explanatory notes ›

    Includes

    • periodic road-safety testing of motor vehicles
    • periodic road-safety testing of motorcycles, including mopeds
    • periodic road-safety testing of motor vehicles, motorcycles, including mopeds, by independent technical inspectors
  26. 71.20.29Other quality assessment and certification of products
    From ATECO 2022: 71.20.21 Controllo di qualità e certificazione di prodotti, processi e sistemi (all from here)
    ISTAT explanatory notes ›

    Includes

    • certification of products, including consumer goods, motor vehicles, aircraft, pressurised containers, nuclear plants, etc.
    • product quality assessment activities

    Excludes

    • testing and maintaining of business and finance software applications, including online trading software applications, see 62.10.0062.10.00

Source and disclaimer

The code you find here has no legal value, like the one from ISTAT's own navigator. You can use it as a reference when you register or change a VAT number with the Business Register or the Italian Revenue Agency. If in doubt, ask your accountant. ISTAT's official ATECO navigator.

Data: ISTAT, ATECO 2025 classification, CC BY 4.0 licence. We reorganised the files for search without changing the text of codes and notes, except for the capitalisation of section titles. CC BY 4.0

ISTAT files used

ATECO documentation on istat.it