Non-invasive brain-computer interface (BCI) solutions are the field Nexstem works in, whose flagship Instinct ecosystem includes a 19-channel EEG headset, Wisdom SDK, InstinctOS, and InstinctAPI for thought-controlled device interaction. Founded in 2020 by Siddhant Dangi and Deepansh Goyal and headquartered in Bengaluru, it serves healthcare, gaming, and research customers and raised $3.5M in seed funding in November 2024 from investors such as InfoEdge and Zupee. Recognized by Microsoft for Startups and NASSCOM, it operates worldwide with plans for Nexstem Coin and tACS technology by 2028.