This dataset includes results from biodiversity, social and environmental surveys of 49 oil palm smallholders and farms in Perak, Malaysia. Biodiversity data includes sticky trap data on flying invertebrate abundance (identified to higher-level order), transect data on assassin bugs, Nephila spp. spiders and butterflies (identified to species), and data on mealworm removal from each plot. Environmental data includes soil temperature readings recorded over 24 hours, information on the size of the plot, crop type and cover, GPS location, vegetation cover, vegetation height, canopy density, epiphyte cover, soil pH, soil moisture, leaf litter depth, horizon depths, palm herbivory and palm health. Social data includes information (all anonymised) on plot area, number of palms, sociodemographic data, plantation management practices applied, knowledge and value assigned to wildlife, and yield. Data were collected from December 2021 to July 2022