Pinamalayan is a significant center of trade and commercial activities. Its influence area covers the municipalities of Socorro, Pola, Gloria and Bansud as well as the island province of Marinduque and Romblon. Wednesday and Saturday are the market days.Bark trading maybe observed in the public market. Rice, banana, vegetable, coconut, fishery and livestock are the predominantly traded agricultural products.
Pinamalayan is also a central source of household items, apparel and other consumer products.The industry of Pinamalayan is confined to those engaged in agri-processing followed by food processing and automotive body assembly. Banana Chips and Ceramic production are considered to be the emerging industries in the Municipality. Business establishments are mostly located in the Poblacion totaling more than 800; these vary from commercial, trading, manufacturing and service centers.