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Big Sur Ventures

Madrid-based early-stage venture capital firm, founded in 2012, investing pre-seed to Series A in internet-enabled software and deep tech startups, with hands-on founder support.

Big Sur Ventures is an early-stage venture capital firm based in Madrid, Spain, founded in 2012. It invests in technology startups from pre-seed through Series A, backing innovative products and services with the potential to transform markets. The firm has been partnering with founders across sectors since its inception.

Investment activity is organised around two themes. The first covers internet-enabled businesses, spanning software and information technology. The second is deep tech, with stated technical domains including quantum technology, artificial intelligence, advanced materials, photonics, microelectronics and nanotechnology.

Alongside capital, the firm provides hands-on support to founders from the earliest steps of building a business. This combines operational guidance, transaction experience, networks and advice, with the stated aim of helping founders build companies holding lasting competitive advantages. The model is deliberately active rather than passive: investment and company-building support are delivered together.

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