Professional services

Agencies, consultancies, law and accounting: expertise sold by the engagement. This is its own schema, version 2.

Baseline: Professional services v2
Builds on: Professional, Scientific, and Technical Services
Mapped on the schema: 1,252 of 2,583 placed here
Primitives: 57 in 8 parts
Last updated: 2 Nov 2026

Below itLegal Services188 Accounting, Tax Preparation, Bookkeeping, and Payroll Services16 Architecture & engineering404 Design services17 IT services1246 Management, Scientific, and Technical Consulting Services98 Scientific Research and Development Services411 Advertising, Public Relations, and Related Services153 Other Professional, Scientific, and Technical Services49

Version	Status	Published	Primitives	Parameters	Companies on it	Compare
v2	published	2 Nov 2026	57	30	2814	v1 → v2
v1	retired	2 Nov 2026	57	30	0	First version

Filter1

Primitives

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Parameters

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Private by default: only what a company publishes, or public sources, reach the registry
Every value carries its source and a confidence label
Unknown is never shown as missing

The numbers for this industry

United States · 2023 · NAICS 541

Establishments: 989,182
Employees: 10,401,442
Annual payroll: $1.1T
Payroll per employee: $107,141

Establishments by number of employees

1-4706,067
5-9124,228
10-1976,923
1000+680
20-4950,645
50-9916,599
100-2499,869
250-4993,022
500-9991,149

Source: US Census Bureau, County Business Patterns 2023 (national file), employees as of mid-March 2023, payroll for the year; published 2025-06-26. Coded on NAICS 2017. Withheld cells read as not published.

What the registry holds here

Professional services and below · public parts only

With public findings: 2,583
Public parts: 14,763
Distinct sources: 9,327
Last change: 4 Nov 2026

Organizations by public parts

Deepen this industry

Focused research on the organizations with the fewest mapped parts in professional services; what it finds is public for everyone.

Giuliani Partners1 part
FGS Global1 part
NKF Volga1 part
KZN agency1 part
Elemented1 part

Counts of what public research has found and sourced, each part with its source on the organization’s profile. They say what is known, not how much of the industry exists.

Version	Status	Published	Primitives	Parameters	Companies on it	Compare
v2	published	2 Nov 2026	57	30	2814	v1 → v2
v1	retired	2 Nov 2026	57	30	0	First version

Filter1

Primitives

+0 −0 ~5

Parameters

+0 −0 ~0

Modules

+0 −0 ~0

Connection types

+0 −0 ~0

changed	Primitive	Engagement margin	engagement_margin	Premium no → yes
changed	Primitive	Leverage and team pyramid	leverage_model	Premium no → yes
changed	Primitive	Fee models and rates	pricing	Premium no → yes
changed	Primitive	Retainers	retainers	Premium no → yes
changed	Primitive	Utilisation	utilisation	Premium no → yes