In response to growing environmental concerns and global sustainability goals, businesses are increasingly adopting more sustainable practices, a move strongly supported by stakeholders worldwide. However, for companies in Indonesia, a developing country, balancing the need to consider environmental impacts with pursuing profits poses a challenge. Small and Medium Enterprises (SMEs) are vital to Indonesia’s economy and play a crucial role in this context. To address this challenge, this paper aims to examine the sustainability values and practices of certified B Corps SMEs in Indonesia, using secondary data from B Corp. Through thematic analysis, a better understanding of the environmental, social, and governance characteristics of Indonesian SMEs’ practices can be gained.This research provides a comprehensive understanding of sustainability innovation within SMEs. It also offers valuable insights for stakeholders and policymakers seeking to enhance environmental and social impacts in the Small and Medium Enterprises sector, particularly for their practices in Indonesia.