Spear Bio

About Spear Bio

Spear Bio, founded in 2021, is a well-funded and rapidly growing start-up headquartered in Woburn, Massachusetts. Spear Bio’s proprietary technology, Successive Proximity Extension Amplification Reaction (SPEAR), employs a unique 2-factor authentication mechanism to precisely measure protein biomarkers at attomolar levels from sub-microliter sample volumes, enabling unprecedented sensitivity. We are dedicated to revolutionizing early disease diagnosis and monitoring, empowering clinicians and researchers to improve patient outcomes, and advance global health.