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Big Sur Ventures

ESGBUSPTNOOtherB2B SaaSAI/MLFintechHealthtechClimateDeep TechMarketplacesEnterpriseConsumer

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Investment thesis

Big Sur Ventures invests early in people with deep conviction behind great ideas and disruptive technologies. The firm targets innovative companies with breakthrough products and services that promise to provide transformative benefits to a market — specifically B2B companies leveraging the power of the internet to transform markets, and Deep Tech companies addressing global challenges in climate, energy, decarbonization, mobility, and population, founded on breakthrough science or engineering. Big Sur invests between €100k–€1M in initial tickets, takes a high-conviction approach (leading rounds even when no one else understands them), and acts as an active, hands-on partner providing operational guidance, transactional expertise, capital, network, and overall judgment from day one.

Notable quotes

People investing in people with deep conviction behind great ideas and disruptive technologies… We are a high conviction investor and lead investments even if no one else gets it.

Jose Miguel Herrero · https://www.bigsurventures.vc/en/team

Enfocamos la inversión buscando problemas grandes que causen mucho dolor, y a mucha gente. Equipos ambiciosos, obsesionados por resolver un problema, pero no locos; gente optimista, pero con límites y capas de racionalidad.

Jose Miguel Herrero · http://actuaupm.blogspot.com/2020/03/hablamos-con-jose-miguel-herrero-big.html · 2020-03-25

The initial stages of a company's development are critical. Moving quickly and effectively from hypotheses to validations is something we understand well. We help founders from day one.

Jose Miguel Herrero · https://www.bigsurventures.vc/en/about

Recent investments

CompanyRoundSizeDate
Tolemy BioPre-seed$3m2026-05-12
Axiomatic AISeed$7m2026-03-09
LuxQuantaSeries A$2m2025-10-15
ReveniSeries A$6m2025-09-30
FloatechSeed2025-05-01
PaackSeries A$6m2018-06-01
LingokidsSeed
Smart ProtectionSeed$1m2017-07-01
CandexSeed$4m2018-03-01
BdeoSeed$1m2019-04-24

Frequent co-investors

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