The final results of the 2014 Annual Survey of Philippine Business and Industry revealed that a total of 7,405 establishments in the formal sector of the economy were engaged in Professional, scientific and technical activities. Majority (88.0%) or 6,515 establishments had total employment (TE) of less than 20.

Architectural and Engineering activities and related consultancy industry leads the sector

Preliminary results of the 2013 Annual Survey of Philippine Business and Industry showed that a total of 875establishments with total employment of 20 and over were engaged in Professional, Scientific and Technical Activities.

Architectural and Engineering activities and related consultancy industry had the highest number of establishment with 216 establishments or 24.7 percent. Advertising closely followed with 173 establishments at about 19.8 percent. Management consultancy activities ranked third with 120 establishments or 13.7 percent.