The Protein Sequencing Company™

Powering the Proteomic Era

QSI brings the groundbreaking power of single-molecule proteomics with the first-to-market Next-Generation Protein Sequencer™ to every lab, everywhere.

Detecting single amino acids through binding kinetics, the innovative Platinum® benchtop sequencer is highly sensitive to protein variants, enabling deep interrogation of proteins to deliver breakthrough insights.

Watch Our Tech in Action

All in a complete, yet compact system, with everything you need to prepare, sequence, and analyze proteins, QSI has truly redefined access to deeper proteomic insights.

See the Power of our Platform

Sequence the Quantum-Si Way

Discover the power of using Kinetic Signatures to sequence proteins and detect changes in the proteome.

See the Power of our Platform

Unleash the Power of Proteomics

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Highlights & Applications

Learn more about how QSI is transforming proteomics research for everyone.

Talk to our Team of Experts