North American Industry Classification System (NAICS) Canada 2017 Version 2.0

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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.

North American Industry Classification System (NAICS) Canada 2017 Version 2.0 - Classification structure
Code Industry group
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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