Madrid · Pre-Seed–Series A · 12 people tracked
Investment thesis
Big Sur Ventures invests at early stages, from pre-seed through Series A with a focus on seed, in technology companies that can become global leaders. It pursues two themes: 'Power of the Internet' (software, internet and IT-enabled products and services) and Deep Tech (quantum computing, artificial intelligence, materials, photonics, microelectronics and nanotechnology) aimed at solving global challenges in energy, decarbonization, demographics and mobility. The firm seeks exceptional, disruptive projects capable of reshaping market structure and offers portfolio companies hands-on operational advice, transaction experience, capital, networks and a global perspective, drawing on more than 50 years of combined experience as serial entrepreneurs.
Source: firm website, verified Aug 3, 2026.
Team · 12 people
from the firm's website & public directoriesFounder mafia
2 people who came through Big Sur Ventures went on to found or lead other companies.
+ 1 more
What they invest in
from 3 of 4 portfolio companiesLogistics & Supply Chain ×2AI & Machine Learning ×1Cleantech ×1Cloud Computing ×1Cybersecurity ×1E-commerce ×1Enterprise Software ×1Mobility & Transportation ×1
HQs:Spain×2
Investments · 4 tracked
founders shown can be your intro pathPlenit operates an IT Operating Platform for the IT channel, bundling cloud services, a license marketplace, remote device monitoring and management, and go-to-market tools that IT providers use to deliver and sell services to small and mid-sized businesses.
Cloud ComputingCybersecurityEnterprise SoftwareSaaS
Stéphane Chénia(Managing Director)
Co-investorsKibo VenturesAdara Ventures
Reveni operates a commerce platform for ecommerce brands, offering instant refunds backed by a proprietary risk model, AI shopping guidance, cross-border logistics, and returns and exchanges tools.
AI & Machine LearningE-commerceLogistics & Supply ChainRetail Tech
Fernando Pedraz(CEO)Gonzalo Martín(CTO)Pablo Molinero(COO)
Co-investorsBynd Venture Capital13books CapitalBSVJME Ventures
Trucksters operates long-haul road freight using a relay system, where drivers hand off sensorized trailers at monitored relay points so cargo keeps moving without waiting for mandatory driver rest periods.
CleantechLogistics & Supply ChainMobility & Transportation
Co-investorsHeartfelt CapitalKibo VenturesVolvo Group Venture Capital ABMetavallon VC
Portfolio news
latest coverage across their companiesReveni · rswebsols.com · Oct 2, 2025
Frequently asked questions
- What stage does Big Sur Ventures invest at?
- Big Sur Ventures invests at the Pre-Seed, Seed, Series A stages.
- What is Big Sur Ventures's typical check size?
- Big Sur Ventures typically writes checks of $100K – $1M.
- What sectors does Big Sur Ventures focus on?
- Big Sur Ventures focuses on AI & Machine Learning, Cleantech, Climate Tech, Cloud Computing, Deep Tech, Energy, Mobility & Transportation, New Materials, Quantum Computing, SaaS, Semiconductors.
- Where is Big Sur Ventures located?
- Big Sur Ventures is headquartered in Madrid, ES.
- Does Big Sur Ventures lead rounds?
- Yes, Big Sur Ventures leads investment rounds.
Images
Co-investors · 5
JME Ventures is a Spain-focused seed-stage venture capital firm that backs founders building world-class solutions, having invested in over 70 startups since 2012.
Headline is a global venture capital firm investing in early- and growth-stage founders, with teams on the ground across multiple continents.
Nauta Capital is a venture capital firm that invests in early-stage software companies across Europe.
Life Extension Ventures (LifeX Ventures) is a venture capital firm founded by scientists-turned-entrepreneurs, backing founders across health, biotech and technology sectors.
Fuel Ventures is an investor founded by entrepreneur Mark Pearson that backs fast-growing technology companies, drawing on its team's operational and founding experience to support portfolio companies. It also runs a VCT listed on the London Stock Exchange.
Firms observed investing alongside Big Sur Ventures, from public investor directories. Shared companies are the overlap with Big Sur Ventures's recorded portfolio.
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