Quantum-Si Incorporated is a life sciences company that develops a proprietary, universal single-molecule detection platform for proteomics, enabling next-generation protein sequencing (NGPS). It offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid-level resolution and automated data analysis, along with library preparation kits and sequencing kits containing reagents and consumables. The company also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes sequencing results. Founded in 2013, it is headquartered in Branford, Connecticut.