Hexa
Leading European startup studio building and accelerating software companies.
Hexa (formerly eFounders) is a multi-stage startup studio founded in 2011 in Paris and Brussels. It has launched over 50 companies including Aircall, Front, Spendesk, Swan, and Yousign, with a combined portfolio valuation of over B. In 2025, Hexa launched its Sprint acceleration program with a dedicated European Defense cohort led by Partner Guillaume Lerouge, investing €500k in early-stage defense and dual-use startups.
Overview
- Firm
- Hexa
- Headquarters
- Paris, France; Brussels, Belgium
- Founded
- 2011
- AUM
- $5B
- Avg. check
- €500K
- Stages
- Seed, Pre-Seed
- Thesis
- Building and accelerating B2B software companies at every stage — AI, defense, fintech, future of work, SaaS. The European Defense Sprint invests €500k in early-stage defense and dual-use startups strengthening European sovereignty.
- linkedin.com/company/joinhexa
- X / Twitter
- x.com/joinhexa
- Website
- hexa.com
Portfolio companies4
- CompanySapper IntelligenceAI-powered sensors for subsurface reconnaissance and object detection.
- CompanyRubiconAI-powered radar sensing to see beneath forests and concealed environments.
- CompanyStronghold AIAI-enabled sensing systems that detect drones and fast-evolving threats
- CompanyRhizome LabsContinual learning AI for defense and security.
Partners0
No linked records yet.
Frequently asked
- What is Hexa?
- Building and accelerating B2B software companies at every stage — AI, defense, fintech, future of work, SaaS. The European Defense Sprint invests €500k in early-stage defense and dual-use startups strengthening European sovereignty.
- How much does Hexa manage?
- Hexa manages $5B in assets, and was founded in 2011.
- What stages does Hexa invest at?
- Hexa invests at Seed, Pre-Seed, with typical checks of €500K.
Sources & citations1
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- 1
Hexa is a multi-stage startup studio that has launched over 50 companies including Aircall, Front, Spendesk, Swan, and Yousign, with combined portfolio valuation over $5B. In 2025, launched Sprint European Defense cohort led by Guillaume Lerouge.
Hexa: Hexa Companies PageVerified2026-06-30