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Extension Fund

Europe, Catalonia, Spain, Barcelona

Description

Extension Fund is a distinctive hybrid investment vehicle based in Barcelona, Spain, specializing in early-stage technological companies within the Spanish market. The fund differentiates itself by employing a dual investment strategy, primarily utilizing Venture Debt and Convertible Notes, rather than traditional equity-only approaches. This flexible model is designed to provide capital to nascent tech ventures while potentially minimizing immediate equity dilution for founders. Managed by Extension Advisors, a team boasting over 15 years of experience in the venture capital and startup ecosystem, the fund leverages deep industry insights to identify and nurture promising Spanish startups.

The fund's investment thesis centers on supporting innovative companies that have demonstrated initial traction and are poised for growth, but may not yet be ready for larger, equity-heavy rounds. Their typical first cheque ranges from €100,000 to €500,000, which translates to approximately $108,000 to $540,000 USD, providing crucial early-stage capital. This range allows them to cater to a diverse set of needs, from bridging funding gaps to enabling specific growth initiatives.

Extension Fund recently launched a new fund, targeting a total capital raise of €10 million. This significant capital infusion is intended to expand their capacity to support a larger portfolio of companies, with plans to invest in 30 to 40 startups. This strategic expansion underscores their commitment to fostering the Spanish tech ecosystem and providing tailored financial solutions that align with the unique development stages of early-stage companies. Their hybrid approach offers a valuable alternative for founders seeking non-dilutive or less dilutive funding options in the competitive early-stage landscape.

Investor Profile

Extension Fund has backed more than 23 startups, with 1 new investments in the last 12 months alone. The firm has led 3 rounds, about 13% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Pre Seed, Seed, Series Unknown rounds (top funding stages).
  • Majority of deals are located in Spain, United States.
  • Strong thematic focus on Insurance, FinTech, B2B.
  • Typical check size: $108K – $540K.

Stage Focus

  • Pre Seed (30%)
  • Seed (26%)
  • Series Unknown (17%)
  • Debt Financing (13%)
  • Series A (9%)
  • Corporate Round (4%)

Country Focus

  • Spain (96%)
  • United States (4%)

Industry Focus

  • Insurance
  • Fintech
  • B2b
  • Consumer Goods
  • Information Technology
  • Internet
  • Property Insurance
  • Saas
  • Real Estate
  • Finance
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Extension Fund frequently co-invest with?

JME Ventures
Europe, Madrid, Spain, Madrid
Co-Investments: 2
Fasanara Capital
Europe, England, United Kingdom, London
Co-Investments: 1
Enzo Ventures
Europe, Madrid, Spain, Madrid
Co-Investments: 3
Antai Ventures
Europe, Catalonia, Spain, Barcelona
Co-Investments: 2
Encomenda VC
Europe, Catalonia, Spain, Barcelona
Co-Investments: 2
BAMCAP
North America, Florida, United States, Miami
Co-Investments: 2
Z
Europe, Catalonia, Spain, Barcelona
Co-Investments: 2
Wayra
Europe, Madrid, Spain, Madrid
Co-Investments: 2
astorya.vc
Europe, Ile-de-France, France, Paris
Co-Investments: 2
K Fund
Europe, Madrid, Spain, Madrid
Co-Investments: 4

Which angels does Extension Fund often collaborate with?

César Azpilicueta
Europe, Madrid, Spain, Madrid
Shared Deals: 1
Balaji Srinivasan
Asia, Central Region, Singapore, Singapore
Shared Deals: 2
KC
North America, California, United States, San Francisco
Shared Deals: 2
JJ
Europe, Ile-de-France, France, Paris
Shared Deals: 1
JR
Europe, Comunidad Valenciana, Spain, Valencia
Shared Deals: 1
AG
North America, United States
Shared Deals: 1
PF
Europe, Madrid, Spain
Shared Deals: 1
JO
North America, California, United States, San Francisco
Shared Deals: 1

What are some of recent deals done by Extension Fund?

VIVLA

Madrid, Madrid, Spain

Vivla offers second homeownership by helping people buy, own, and sell the fractions of the second home that fits their life.

Home ServicesReal EstateReal Estate Investment
Series UnknownJul 23, 2025
Amount Raised: $9,384,428
Internxt

Valencia, Comunidad Valenciana, Spain

Internxt is an open-source cloud storage service that focuses on user privacy and security.

Cloud SecurityCloud StorageData StoragePrivacy
SeedJul 16, 2025
Amount Raised: $3,834,053
Tuio

Madrid, Madrid, Spain

Tuio is an insurance company that provides a digital platform providing house or property insurance.

InsuranceOnline PortalsProperty Insurance
Series ASep 19, 2024
Amount Raised: $16,739,203
Internxt

Valencia, Comunidad Valenciana, Spain

World's Most Secure Cloud Storage Service

Cloud InfrastructureCloud SecurityCloud StorageData StorageInformation TechnologyInternet
SeedJan 15, 2024
Amount Raised: $3,283,490
Bcas

Madrid, Madrid, Spain

Bcas is a Madrid based fintech unlocking access to quality education through student finance for students from all backgrounds.

EdTechEducationFinTechLending
SeedSep 14, 2023
Bcas

Madrid, Madrid, Spain

Bcas is a Madrid based fintech unlocking access to quality education through student finance for students from all backgrounds.

EdTechEducationFinTechLending
SeedMar 9, 2023
Amount Raised: $8,362,983
Vitaance

Barcelona, Catalonia, Spain

Personalized employee benefits platform that helps companies optimize spend and maximize the impact of their wellbeing program

InsuranceLife InsuranceLifestyleWellness
SeedFeb 10, 2023
Amount Raised: $2,351,470
Gretel.co

Barcelona, Catalonia, Spain

The feed that generates automated insights from your marketing apps.

SaaSSoftware
Pre SeedFeb 1, 2023
Amount Raised: $550,000
Boopos

Miami, Florida, United States

Boopos operates a tech-enabled lending platform for acquiring small businesses.

FinanceFinancial ServicesFinTechSmall and Medium Businesses
Debt FinancingDec 31, 2022
Amount Raised: $4,000,000
Tuio

Madrid, Madrid, Spain

Tuio is an insurance company that provides a digital platform providing house or property insurance.

InsuranceOnline PortalsProperty Insurance
SeedSep 29, 2022
Amount Raised: $2,948,797