This dataset includes results from social and environmental surveys of 27 oil palm smallholders and farms in Selangor, Malaysia. Environmental data includes: information on size of plot, crop type and cover, GPS location, vegetation cover, vegetation height, canopy density, epiphyte cover, soil pH, soil moisture, 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 March to September 2022.