All Iron Ventures

Quick read

All Iron Ventures, a multi-stage VC, was founded in 2017–2018 and headquartered in Bilbao, Spain. It was founded by Ander Michelena and Jon Uriarte, the duo behind Ticketbis, which they sold to eBay in 2016. In September 2024, the firm rebranded as Acurio Ventures and closed its third fund at €150M.

Key facts

Founded

2017

Founders

Ander Michelena, Jon Uriarte

Employees

15

Sectors

generalist, fintech, marketplace, saas

Website

www.linkedin.com/company/all-iron-vc/

Investment thesis

All Iron backs early-stage European startups — especially marketplaces, SaaS, and consumer technology — founded by operators with validated business models. The firm takes 3–10% equity stakes and targets roughly 50 companies per fund, pairing capital with hands-on operational experience from the Ticketbis founding team.

Recent activity

• Sep 2024fundraise
  All Iron Ventures rebranded as Acurio Ventures and closed its third fund at €150M. The new name references Juan de Acurio, one of the sailors who completed the Magellan-Elcano circumnavigation, drawing on Basque heritage. briefthecall.com
• Sep 2024leadership
  Ander Michelena, co-founder of All Iron Ventures, began a new investment stage with Acurio Ventures, the firm's successor vehicle with a €150M fund. tracxn.com
• May 2025press
  All Iron (the operating entity) reported a 35% EBITDA increase to March 2025 and reached €1.6 million in revenue. tracxn.com
• 2024investment
  All Iron Ventures participated in a funding round for Floy, an AI radiology platform, alongside lead investor HV Capital and co-investors 10x Founders, xdeck, and SB21. linkedin.com
• 2024investment
  All Iron Ventures co-invested in a round for an unnamed Spanish startup alongside lead investor Samaipata and co-investors Accel, Angels Capital, and Draper B1. linkedin.com
• Sep 2024fundraise
  All Iron Ventures rebranded to Acurio Ventures and raised a €150 million follow-on fund. startupintros.com
• Nov 2020fundraise
  All Iron Ventures closed its debut direct investment fund at €66.5 million. dealflow.es
• Unknowninvestment
  All Iron Ventures participated in a Lanes & Planes round led by Smash Capital, alongside Battery Ventures, coparion, and DN Capital. linkedin.com
• Unknowninvestment
  All Iron Ventures participated in a Floy round led by HV Capital, alongside 10x Founders, xdeck, and SB21. Floy offers AI-assisted radiology services to patients in Germany. linkedin.com
• Unknowninvestment
  All Iron Ventures participated in Ironhack's $4 million round led by JME Capital, alongside Brighteye Ventures, bringing Ironhack's total funding to $7 million. techfunnel.com
• Sep 2024fundraise
  All Iron Ventures rebranded as Acurio Ventures and announced a new €150M follow-on fund. The new name draws on Basque heritage, referencing Juan de Acurio, one of the sailors who completed the Magellan-Elcano circumnavigation. techcrunch.com
• 2024investment
  Lanes & Planes closed a funding round led by Smash Capital, with All Iron Ventures participating alongside Battery Ventures, coparion, and DN Capital. linkedin.com

Notable investments

• Floyundisclosed2024linkedin.com
• Lanes & PlanesUnknownUnknownlinkedin.com
• FloyUnknownUnknownlinkedin.com
• IronhackUnknownUnknowntechfunnel.com
• JobandtalentUnknownUnknownstartupintros.com
• PreplyUnknownUnknownstartupintros.com
• SeedtagUnknownUnknownstartupintros.com
• Lanes & Planesundisclosed2024linkedin.com
• Jobandtalentstartupintros.com
• Preplystartupintros.com
• Seedtagstartupintros.com
• Lanes & Planes2024linkedin.com

Key people

Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.

• Unai Carmona Sein · Former team member
• Iñaki Ecenarro · Venture Partner
  LinkedIn
• Jon Uriarte · Co-founder & Managing Partner
• Ander Michelena · Co-founder & Managing Partner

Sources

• All Iron Ventures Becomes Acurio Ventures with €150M Fund
• All Iron Ventures: Funding, Team & Investors
• All Iron Ventures | LinkedIn
• All Iron - 2025 Investor Profile, Portfolio, Team & Investment Trends - Tracxn
• All Iron Ventures profile at Startupxplore
• Acurio Ventures Portfolio Investments – CB Insights
• https://techcrunch.com/2024/09/23/all-iron-ventures-rebrands-as-acurio-ventures-with-a-new-e150m-follow-on-fund/
• https://dealflow.es/issue/241/koa-health-raised-14m-fintech-sandbox-all-iron-ventures-final-closing
• https://www.techfunnel.com/fintech/ironhack-raises-4-million-to-continue-empowering-tech-education-worldwide/
• https://www.briefthecall.com/company/all-iron-ventures

Other VCs in Spain

• Seaya Ventures · Multi-stage VC, Madrid·
• Kibo Ventures · Multi-stage VC, Madrid·
• K Fund · Early-stage VC, Madrid·
• JME Ventures · Early-stage VC, Madrid·
• Samaipata · Early-stage VC, Madrid + Paris·
• Nauta Capital · B2B VC, Barcelona + London

Explore VCs by sector

• Generalist in Spain
• Fintech in Spain

Globally

• Generalist worldwide
• Fintech worldwide

Frequently asked