Fundraising Fox
Madrid · Pre-Seed–Series A · 12 people tracked
Also known as Big Sur
Find your way into Big Sur Ventures
Sign up to see every warm intro you have to Big Sur Ventures
- Paths you didn't know you had: your email and LinkedIn already hold routes to the Big Sur Ventures team. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
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 directories
Founder mafia
3 people who came through Big Sur Ventures went on to found or lead other companies.
What they invest in
from 12 of 17 portfolio companiesSaaS ×8AI & Machine Learning ×7Enterprise Software ×5Deep Tech ×3Logistics & Supply Chain ×3Cybersecurity ×2E-commerce ×2HR Tech ×2
HQs:Spain×7United States×1
Investments · 17 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 22024 · 12023 · 22022 · 12021 · 12020 · 12017 · 110 dated
Plenit 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-investorsAdara VenturesKibo Ventures
Digital platform for estate management
Madrid, ES
Jaime Llantada(Founder)inJavier F. Garrido(Founder)in
Co-investorsAthos CapitalInvertidosWayra
Floatech manufactures silicon nanowire anodes for lithium-ion batteries, offering drop-in electrode solutions and customizable tailor-made formats with ultra-high areal capacity.
Deep TechEnergyNew MaterialsMadrid, ES
Dr. Juan José Vilatela(Founder and CTO)Dr. Richard Schäufele(Founder and COO)
Co-investorsBStartupGrow Venture Partners
Frenetic develops software for designing and optimizing magnetic components used in power electronics, using an AI-based modeling approach to replace traditional engineering methods.
AI & Machine LearningDeep TechHardwareSaaSMadrid, ES
Chema Molina, PhD(Founder)in
Co-investors42CAPBonsai Partners SGEIC, SAKibo VenturesJoin Capital
Brazil's leading platform for used car dealers
Luca Cafici(Founder)in
Co-investorsAcurio VenturesFJ LabsFundersClubHummingbird VenturesLumia CapitalRise Capital+3 more
Lingokids creates in-house educational content and playful learning experiences designed to help parents raise and develop young children.
ConsumerEdTechGamingMedia & Entertainment
Cristobal Viedma(Founder)inMikael Journo(COO & CMO)inSteve Smith(CFO)inVladimir Klimov(Director of Lingokids Studios)inMary Lee(Global VP of Product)Paulo Alves Pereira(VP of Engineering)in
Co-investorsAcurio VenturesAthos CapitalCriteria Venture TechFundersClubGraph VenturesKube VC+7 more
Nailted is a software platform that helps companies improve workplace culture, employee engagement, and satisfaction through analytics, recognition systems, and feedback tools.
Enterprise SoftwareHR TechSaaS
Jose Ignacio Andres(Founder)in
Co-investorsSeedRocketSiesta Ventures
Paack operates a proprietary technology platform for last-mile eCommerce parcel delivery, automating and optimizing logistics operations while focusing on sustainability and reduced carbon emissions.
AI & Machine LearningClimate TechE-commerceLogistics & Supply ChainSaaS
Fernando Benito Galobart(Founder)inXavier Rosales(CEO)
Co-investorsAcurio VenturesBonsai Partners SGEIC, SACastel CapitalFJ LabsInfraVia Capital PartnersKibo Ventures+5 more
Platypus is a platform that connects and automates data operations and processes across disparate systems and formats, serving both business operators and engineering teams.
AI & Machine LearningEnterprise SoftwareSan Francisco, US
Pablo Ferrari(Founder)inDeepanshu Madan(Founder)in
Co-investorsY CombinatorAgrolimen VenturesCRV (Charles River Ventures)DeFiance CapitalHarvard Management CompanyInventure+7 more
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 TechSaaSNot specified, ES
Fernando Pedraz(CEO)inGonzalo Martín(CTO)inPablo Molinero(COO)in
Co-investors13books CapitalBynd Venture CapitalBSVJME Ventures
Smart Protection provides brand and content protection services using AI and machine learning to detect and eliminate digital piracy, counterfeiting, and online threats for businesses globally.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Co-investorsBootstrap EuropeExtension FundNauta CapitalSwanlaab Venture FactoryCDTIJME Ventures+1 more
Supportwave provides an AI-driven platform that connects businesses with embedded technical talent and IT professionals on demand, helping them scale their teams efficiently.
AI & Machine LearningEnterprise SoftwareHR TechSaaS
Kelvin Wetherill(Chief Executive Officer)
Co-investorsFuel Ventures
Tolemy Bio provides a software platform for teams to model, simulate, and optimize biological systems across cell biology, advanced therapeutics, and bioprocessing applications.
AI & Machine LearningBiotechDeep TechSaaS
Caelan Anderson(Founder)inAlex Ward(Founder)in
Co-investorsMasiaRedbus VenturesJME 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-investorsBonsai Partners SGEIC, SAHeartfelt CapitalKibo VenturesMetavallon VCVolvo Group Venture Capital AB
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
BDEOCanal ÉticoJoinup
Portfolio news
latest coverage across their companiesTolemy · finsmes.com · May 12, 2026
InstaCarro · bitscale.ai · Mar 2, 2026
Reveni · finsmes.com · Sep 30, 2025
Lingokids · gamesbeat.com · Sep 18, 2025
Frequently asked questions
- How many investments has Big Sur Ventures made?
- Big Sur Ventures has 17 tracked investments, including 4 dated in the last 24 months.
- 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.
Nauta Capital is a venture capital firm that invests in early-stage B2B software companies across Europe and the US.
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.
Headline is a global venture capital firm investing in early- and growth-stage founders, with teams on the ground across multiple continents.
LifeX Ventures (Life Extension Ventures) is a venture firm founded by scientists turned serial tech entrepreneurs, backing startups working on longevity, health, carbon, and climate breakthroughs accelerated by AI.
Firms observed investing alongside Big Sur Ventures, from public investor directories. Shared companies are the overlap with Big Sur Ventures's recorded portfolio.
Similar investors
Khosla Ventures is a venture capital firm that backs bold, early-stage, technology-driven companies across deep tech and other sectors, providing hands-on 'venture assistance' to help founders build category-defining businesses.
Everywhere Ventures is an early-stage venture firm that writes pre-seed checks and is backed by a community of founder and operator LPs.
DCVC (Data Collective) is a deep tech venture capital firm that backs entrepreneurs using computational approaches to solve large-scale real-world problems across many industries.
OUP (Osage University Partners) is a venture firm that invests in science-driven startups commercializing deep technology innovations emerging from university and breakthrough research.
Qbic is an inter-university venture capital fund that backs the transformation of technological breakthroughs from its academic and research partners into sustainable businesses.