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Big Sur Ventures

Venture capitaloperating company · company profile

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

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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
1 investment
Tracked investments
4

Team · 12 people

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

Founder 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 companies

Logistics & 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 path
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-investorsKibo VenturesAdara Ventures

Canal Éticoappcore.es
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)Gonzalo Martín(CTO)Pablo Molinero(COO)

Co-investorsBynd Venture Capital13books CapitalBSVJME 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 VenturesVolvo Group Venture Capital ABMetavallon VC

Portfolio news

latest coverage across their companies

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

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.

Both backed · 1
$108K – $3.3M
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
Nauta Capital

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

$1.1M – $5.4M
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.

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.

$317.5K – $9.5M

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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