🦊/Investors

Big Sur Ventures

Venture capitaloperating company · company profile

Madrid · Pre-Seed–Series A · 12 people tracked

Find your way into Big Sur Ventures

1,628 people in our graph share verified history with the Big Sur Ventures team — schools, employers, funds. One of them is your warm intro.

Tobi Cokerunlockedknows Ismael Almazán · together at Stealth (overlapped)
×2knows the team · via HP
knows the team · via University of Cambridge
×2knows the team · via Universitat Pompeu Fabra
knows the team · via IESE Business School
knows the team · via Universitat Autònoma de Barcelona
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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.

Stage
Pre-Seed–Series A
Check
$100K – $1M
HQ
Madrid, ES
Leads rounds
Leads
Instruments
Equity
Founded
2012
Last 12 months
2 investments
Tracked investments
10

Team · 12 people

from the firm's website & public directories
Ismael Almazán· Partnerin
Ismael Almazan· Partnerin
Eduardo Montes· Board Member

What they invest in

from 9 of 10 portfolio companies

SaaS ×6AI & Machine Learning ×5Enterprise Software ×4Logistics & Supply Chain ×3Cybersecurity ×2Deep Tech ×2E-commerce ×2HR Tech ×2

HQs:Spain×4

Investments · 10 tracked

founders shown can be your intro path

By year:2026 · 12025 · 22023 · 12022 · 12020 · 16 dated

Plenitplenit.comin✓ verified

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

Floatechfloatech.euinMay 2025

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

Nailtednailted.comin𝕏

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-investorsSeedRocket

Paackpaack.coinSeed · Jan 2022 · $1M

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 VenturesCastel CapitalInfraVia Capital PartnersKibo VenturesRPS VenturesSoftBank Vision Fund+3 more

Revenireveni.cominSep 2025

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)inGonzalo Martín(CTO)inPablo Molinero(COO)in

Co-investors13books CapitalBynd Venture CapitalBSVJME Ventures

Smart Protectionsmartprotection.comin𝕏Seed · Nov 2020 · $1M

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

Supportwavesupportwave.comin𝕏Seed · Aug 2023 · $2M

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

Tolemytolemy.bioinMay 2026

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

Trucksterstrucksters.ioin𝕏

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 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.

Canal Ético

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Big Sur Ventures made?
Big Sur Ventures has 10 tracked investments, including 3 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

Big Sur Ventures photo

Co-investors · 5

JME Ventures

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.

$108K – $3.3M
Nauta Capital

Nauta Capital is a venture capital firm that invests in early-stage software companies across Europe.

Both backed · 1
$1.1M – $5.4M
Fuel Ventures

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.

Both backed · 1
Supportwave
$317.5K – $9.5M
Headline

Headline is a global venture capital firm investing in early- and growth-stage founders, with teams on the ground across multiple continents.

$661K – $103M
LifeX Ventures

Life Extension Ventures (LifeX Ventures) is a venture capital firm founded by scientists-turned-entrepreneurs, backing founders across health, biotech and technology sectors.

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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