Big Sur Ventures
Big Sur Ventures is an early-stage venture capital firm based in Madrid, Spain, founded in 2012. The firm focuses on investing in the Spanish market and the broader Southern European region, typically leading investment rounds from Pre-Seed to Series A, with capital deployment ranging from €100,000 to €1,000,000 for initial investments. The firm takes a hands-on approach, actively collaborating with founders to provide strategic guidance, operational support, and access to a network of industry leaders. Big Sur Ventures emphasizes investments in Deep Tech and internet-enabled solutions, targe
Investing activity
Big Sur Ventures appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $18M. The rounds are mostly Seed, with a median round size of $18M. The most recent is Axiomatic AI (Seed, $18M, Mar 2026).
Big Sur Ventures most often invests alongside Engine Ventures, Liquid 2 Ventures, Propagator Ventures and Global Vision Capital, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Big Sur Ventures
What AI companies has Big Sur Ventures invested in?
Big Sur Ventures's AI investments include Axiomatic AI. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Big Sur Ventures based?
Big Sur Ventures is based in Madrid, Community of Madrid, Spain.
What stage does Big Sur Ventures invest at?
In the rounds tracked on AI Lounge, Big Sur Ventures has invested at Seed, with a median round of $18M.
Who does Big Sur Ventures co-invest with?
Big Sur Ventures's most frequent co-investors on AI Lounge are Engine Ventures (1 deal), Liquid 2 Ventures (1 deal), Propagator Ventures (1 deal), Global Vision Capital (1 deal) and Kleiner Perkins (1 deal).
How can founders reach Big Sur Ventures?
Founders on AI Lounge can see Big Sur Ventures's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Big Sur Ventures to their Investor Pipeline to track the conversation.