Under this topic you will find the North American Industry Classification System definition of the Professional, Scientific and Technical Services (NAICS 54) sector. You can use this definition to properly identify the segment of the industry you wish to study further in other sections of Canadian Industry Statistics.

The main components of this sector are legal services industries, accounting and related services industries, architectural, engineering and related services industries, surveying and mapping services industries, design services industries, management, scientific and technical consulting services industries, scientific research and development services industries, and advertising services industries.

GDP in the Professional, Scientific and Technical Services sector increased from from $41.8 billion in 1999 to $58.5 billion in 2008. The increase in GDP reported between 1999 and 2008 represented a compound annual rate of 3.4%. Between 2007 and 2008, the total value-added of the Professional, Scientific and Technical Services sector increased by 1.1%.