Investors / Spain / Big Sur Ventures
Big Sur Ventures
Venture capital · Madrid, Spain · Europe
Big Sur Ventures is an early-stage technology investor based in Madrid that backs founders from pre-seed through Series A. It invests in internet-enabled software and information technology as well as deep tech, and typically puts between €100k and €1M into a first investment.
Your fit with Big Sur Ventures
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See how your round matches what it backs, point by point.
Or find every investor that fitsBig Sur Ventures lists 45 checked portfolio companies on its own site and is named in 4 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 50% of the companies with a known first round. Its largest themes are AI & Machine Learning (14%), Industrial & Manufacturing (13%) and E-commerce & Marketplaces (13%). 68% of its companies are based in Spain. It invests most often alongside Acurio Ventures, Bonsai Partners and Kibo Ventures.
Counts come from funding rounds that name Big Sur Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not Big Sur Ventures' whole history. Rounds on record name 4 companies; its own site lists 45. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 25% |
| Seed | 50% |
| Series A | 25% |
| Series B | 0% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 1 |
| '26 | 3 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 81th | 45 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 82th | 75% of entries at pre-seed or seed |
| Evidence | 69th | 7% of companies confirmed by a round |
| Sector focus | 1th | 14% in its largest sector |
| Reach | 70th | 4 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 14% | 18% |
| Industrial & Manufacturing | 13% | 7% |
| E-commerce & Marketplaces | 13% | 6% |
| Enterprise Software | 11% | 8% |
| Fintech | 11% | 12% |
| Cybersecurity | 7% | 4% |
| Healthcare & Biotech | 7% | 15% |
| Mobility & Logistics | 4% | 1% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Acurio Ventures | 6 |
| Bonsai Partners | 4 |
| Kibo Ventures | 4 |
| 4Founders Capital | 3 |
| Invertidos | 3 |
| JME Ventures | 3 |
| K Fund | 3 |
| Barlon Capital | 2 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers4498%
- No longer answers00%
- Points to another company12%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherCompare Big Sur Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Funds
from public registers and its siteRecent portfolio activity
when companies last raised with Big Sur Ventures| Date | Company | Stage |
|---|---|---|
| 12 May 2026 | Seed | |
| 9 Mar 2026 | Seed | |
| 15 Oct 2025 | Series A Led |
Round details for Big Sur Ventures
Amounts, full round histories and every co-investor in Big Sur Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
45 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Apeteat provides healthy food for companies in Madrid and Barcelona | Food & Agriculture | Portfolio page | ||
| Avuxi analyzes geo-tagged data to provide location context and popularity scores for businesses and consumers. | Real Estate & ConstructionLegal & Compliance | Portfolio page | ||
| Axiomatic AI develops AI that can reason beyond what is known while remaining grounded in what is true for science and engineering applications | AI & Machine LearningRobotics & Hardware | Mar 2026Seed | Page + round | |
| Portfolio page | ||||
| Bdeo is a platform that insurance companies and fleets use to resolve motor and home claims faster and with less fraud. | FintechAI & Machine Learning | Portfolio page | ||
| Candex provides a platform for businesses to engage, track, and pay for goods and services | FintechE-commerce & Marketplaces | Portfolio page | ||
| The company connects customers with professionals and venues for events, weddings, and celebrations. | Enterprise SoftwareEnterprise Software | Portfolio page | ||
| Citibox installs and provides smart mailboxes for receiving online purchases | E-commerce & MarketplacesFintech | Portfolio page | ||
| Ciudadela provides software for the administration of communities with AI | Real Estate & ConstructionAI & Machine Learning | Portfolio page | ||
| ClinicaaL is a digital health platform for managing pathologies in daily clinical practice | Healthcare & Biotech | Portfolio page | ||
| Cuyna replicates restaurant recipes from its network of kitchens, using its own technology and equipment, to help restaurants focus on their in-house customers | Food & Agriculture | Portfolio page | ||
| The company provides an AI-powered voice assistant for businesses to automate routine calls and tasks | AI & Machine LearningE-commerce & Marketplaces | Portfolio page | ||
| Floatech develops high-performance silicon anodes for lithium-ion batteries | EducationIndustrial & Manufacturing | Portfolio page | ||
| Frenetic provides electronics and is involved in magnetics design. | Industrial & Manufacturing | Portfolio page | ||
| Funidelia is an online shop for costumes, gifts, and party decorations. | E-commerce & MarketplacesEnterprise Software | Portfolio page | ||
| The company runs marketplaces and communities for specific collectibles where buyers and sellers can connect, buy, sell and collect collectibles. | E-commerce & Marketplaces | Portfolio page | ||
| HomySpace manages temporary rental of apartments for companies | Real Estate & Construction | Portfolio page | ||
| Ima Health helps people organize their medication by coordinating with a pharmacy to prepare and deliver doses by day and time | Healthcare & Biotech | Portfolio page | ||
| Portfolio page | ||||
| Iristrace provides software for digital checklists and data collection for various industries | AI & Machine LearningAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- bigsurventures.vc
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 15 Oct 2025
- Companies checked
- 45
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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