ISIC REV. 4 · SECTION M
Professional & scientific services
Activity scope
Professional, scientific and technical activities
This activity belongs to Professional & scientific services. The classification describes economic activities; company inclusion still requires a qualifying business record.
Browse Professional & scientific services companiesExplore subcategories
69Legal & accounting2 child activities70Management consulting2 child activities71Architecture & engineering2 child activities72Research & development2 child activities73Advertising & market research2 child activities74Other professional services3 child activities75Veterinary services1 child activities
Classification source
United Nations Statistics Division, ISIC Revision 4. Official English structure retrieved October 3, 2026. Broad navigation labels are simplified by COMPANY CORE.
View official classification structureRevision 5 is a separate standard. This directory keeps Revision 4 identifiers for compatibility with its existing records.