The story
Founded by Sean O'Sullivan in 1993.1
Private company
SOSV
Logo: Bronze Magnet, CC BY-SA 4.0, via Wikimedia Commons3
Venture capital firm
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. SOSV was founded in 1995 by Sean O'Sullivan.2 It is part of HAX Accelerator.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
1993Founded1
- Websitesosv.com
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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. SOSV was founded in 1995 by Sean O'Sullivan.2
Corporate structure
SOSV is part of a group headed by HAX Accelerator. 2 entities on record. Switch between the flow chart and the network, and select any entity to see its details.
- HAX Accelerator Shenzhen
- SOSV
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Leadership
Who has led SOSV, and when. Pick a name to see everywhere that person has worked.
- FounderSean O'Sullivan1
Subsidiaries and ownership
Parent company
From Wikidata.1
Timeline
- 1993Founded Founded1
Links
- Websitesosv.com1
- X (Twitter)x.com/sosv1
- Facebookwww.facebook.com/SOSVvc1
- Instagramwww.instagram.com/sosvvc1
- YouTubewww.youtube.com/channel/UCr3_edKFdOwK6I5L081Zy5Q1
- LinkedInwww.linkedin.com/company/sosv1
- WikipediaSOSV
- WikidataQ17154958
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataSOSV on Wikidata
- 2WikipediaSOSV on Wikipedia
- 3Wikimedia CommonsSOSV logo by Bronze Magnet, CC BY-SA 4.0