Top Tech Startups in Barcelona, Spain in 2027

RZLT is the leading Web3, Crypto & AI Native Marketing Agency. We grow the most disruptive brands in the world. We are a diverse team of 35+ innovators from 10 different countries, speaking 8 languages, united by an unstoppable drive for passion, and disruption. If you're eager to dive into the Web3 landscape and thrive, RZLT is the place for you. Join us and be a part of shaping the future of marketing. Check our job openings here: careers-page.com/rzlt-2?mode=preview

SalesCaptain is a top-ranked outbound and GTM agency helping B2B companies like Nestlé Professional, Drip, Robin AI, Persado, and GlossGenius scale their sales pipeline. We combine AI-led outbound, GTM transformation, and RevOps implementation to drive meetings with in-market buyers.

Wagmi is building the next generation of infrastructure companies to drive blockchain adoption. We bring together visionary ideas, exceptional talent, and investment capital to build world-changing companies.

Bitesize helps launch entrepreneurs and businesses that will bring value to the world in the form of economic opportunity and social betterment.

XDS designs, manufactures, and sells the world’s most advanced bicycles. We build more than 8 million bikes a year with industry-leading technology. We make bikes for everyone, from empowering top athletes competing in the Olympics and the Tour de France, to inspiring everyday riders to explore cities and nature. Each bike we craft symbolizes a commitment to world-class quality and groundbreaking innovation.

LogMeal API: API Food Recognition LogMeal Kiosk: Touchless Checkout System for self-services restaurants LogMeal Kitchen: Dishes Management Control System LogMask API: Face Mask Recognition & Detection + Capacity Control LogMask Kiosk: LogMAsk API + Stand Monitor entrances LogMask PPC: PPE (Helmet + Mask + Vest) Recognition & Detection

We work hands-on with ventures from early validation through scale-up, providing shared infrastructure, operational excellence, and execution discipline — while keeping ventures autonomous and founder-led. Our model is decentralized and pragmatic: - flat hierarchies - strong ownership - decisions grounded in data The venture builder exists to accelerate execution, not to centralize power or slow teams down.