SOSV is an American venture capital firm that provides pre-seed, seed, Series A and later stage funding to deep tech startups that join its startup development programs, which are located in New York City, Newark, New Jersey, and San Francisco.

[8] In December 2020, TechCrunch's former COO, Ned Desmond joined SOSV as senior operating partner.

[9][10] As of November 2021, SOSV has backed approximately 150 startups that are developing climate technologies, with a focus on the transport, supply chain, logistics, and agriculture sectors.

[7] The new 35,000 sq ft HAX office in Newark, New Jersey opened officially in April 2024.

[15][16][17] Notable companies within its portfolio include Opentrons, Formlabs, NotCo, Prolific Machines, unSpun, Neptune Robotics, Smartex, and BitMEX.