North American Industry Classification System (NAICS) Canada 2017 Version 3.0
541 - Professional, scientific and technical services
This subsector comprises establishments primarily engaged in activities in which human capital is the major input. These establishments make available the knowledge and skills of their employees, often on an assignment basis. The individual industries of this subsector are defined on the basis of the particular expertise and training of the service provider.
The main components of this subsector are legal services; accounting, tax preparation, bookkeeping and payroll services; architectural, engineering and related services; specialized design services; computer systems design and related services; management, scientific and technical consulting services; scientific research and development services; and advertising, public relations, and related services.
The distinguishing feature of this subsector is the fact that most of the industries grouped in it have production processes that are almost wholly dependent on worker skills. In most of these industries, equipment and materials are not of major importance. Thus, the establishments classified in this subsector sell expertise. Much of the expertise requires a university or college education, though not in every case.
Establishments primarily engaged in providing instruction and training in a wide variety of subjects and those primarily engaged in providing health care by diagnosis and treatment are not included in this subsector.
|5411Legal services||Legal services|
|5412Accounting, tax preparation, bookkeeping and payroll services||Accounting, tax preparation, bookkeeping and payroll services|
|5413Architectural, engineering and related services||Architectural, engineering and related services|
|5414Specialized design services||Specialized design services|
|5415Computer systems design and related services||Computer systems design and related services|
|5416Management, scientific and technical consulting services||Management, scientific and technical consulting services|
|5417Scientific research and development services||Scientific research and development services|
|5418Advertising, public relations, and related services||Advertising, public relations, and related services|
|5419Other professional, scientific and technical services||Other professional, scientific and technical services|
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