Quantum-Si incorporated, a life sciences company, engages in the development of protein detection platform to enable Next Generation Protein Sequencing (NGPS).

The company's platform is comprised of the Carbon automated sample preparation instrument; the Platinum single-molecule detection and NGPS instrument with Time-Domain Sequencing chip; the Quantum-Si Cloud data analysis software; and reagent kits for use with its instruments.

The company was founded in 2013 is based in Guilford, Connecticut.