United States - WorldOfTaxanomy
Professional services firm size, market segment, and organizational structure classification
18 codes across 6 top-level sections. Click any sector below to see its full definition, subcategories, and crosswalks to other classification systems.
Version: 1.0Source date: 2025-04-15
Top-level sections
- dpsfirm_bigGlobal and Top-Tier Professional Services Firms
- dpsfirm_boutiqueSpecialist and Boutique Advisory Firms
- dpsfirm_govGovernment and Public Sector Services
- dpsfirm_inhouseIn-House and Captive Services Center
- dpsfirm_regionalRegional and Mid-Market Professional Firms
- dpsfirm_soloSolo Practitioners and Small Practices
Compare with other systems
Browse the same sectors in other major classification systems.