Quantum-Si, Inc. is a life sciences company focused on revolutionizing the growing field of proteomics. The company is headquartered in Branford, Connecticut and currently employs 143 full-time employees. The company went IPO on 2020-09-04. The firm has designed and developed a hardware, consumable and software solution to provide a solution for protein detection and analysis. The company has developed a proprietary universal single-molecule detection platform enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins. Its launched product consists of Platinum, the Platinum Analysis Software and consumables. Its flagship protein sequencing instrument, Platinum, is designed to make the power of single-molecule detection and NGPS accessible. Platinum is designed to provide a streamlined workflow compared to legacy MS workflows. Platinum uses its proprietary semiconductor chip that leverages time-domain sequencing with an initial focus on NGPS for an unbiased view of the proteome.