From Eixample flat to fintech unicorn: how one Barcelona founder is tackling Spain's cost-of-living crisis

In a modest office above a café on Carrer de Còrsega in Eixample, Marina Vilarrúbia is quietly revolutionising how Barcelona's middle class invests. Her fintech startup, founded just three years ago, now manages over €2.8 billion in assets for more than 340,000 users across Spain—a remarkable achievement in a market long dominated by traditional banks and opaque wealth managers.

The problem she identified was straightforward: Barcelona residents earning €25,000 to €50,000 annually were being priced out of investment opportunities. With average rent in the Eixample district now exceeding €900 monthly and city-wide housing costs consuming 45% of household income, saving for retirement felt impossible for many. Vilarrúbia's solution was a fractional investment platform requiring just €1 to begin, eliminating minimum deposit thresholds that had locked out ordinary workers.

"What frustrated me most was how financial exclusion was baked into the system," Vilarrúbia explained in recent investor presentations. "A teacher in Gràcia earning €28,000 couldn't access the same investment vehicles as someone in a corner office."

Her platform, launched in March 2024, democratised access through algorithmic portfolio construction and automated dividend reinvestment. Within eighteen months, it had attracted backing from prominent European VCs and boasted 22,000 users managing their pensions entirely through the app. Today, the average user has accumulated €4,200—meaningful savings for those struggling with Barcelona's elevated living standards.

The timing proved prescient. Spain's inflation peaked at 5.8% in 2023, squeezing household budgets. Meanwhile, traditional Spanish pension systems offered limited returns, leaving workers vulnerable. Vilarrúbia's platform offered 7.3% average annual returns last year, directly addressing this gap.

Her success resonates beyond finance. Last month, Barcelona's city council consulted her team on financial literacy initiatives, recognising that cost-of-living pressures demand innovative solutions. Tech recruitment in the city has intensified as competitors attempt to replicate her model.

Yet challenges remain. Spain's regulatory environment moves slowly, and established banks are beginning to respond competitively. Vilarrúbia faces scaling pressures while maintaining the accessibility that defines her brand—particularly crucial as economic forecasts predict continued inflation through 2027.

Still, from that Eixample office, she has proven that Barcelona's entrepreneurial ecosystem can produce solutions to its residents' most pressing financial anxieties, reminding a city often preoccupied with tourism that homegrown innovation addressing real problems endures.

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