TaxDown secures €4M financing to expand AI tax platform

The Madrid tax fintech doubled revenue in 2025 and hit profitability. Now it’s taking on structured debt to scale its AI platform, a sign that its capital strategy is as deliberate as its product.

Most tax software companies want to tell you how many users they have. TaxDown wants to tell you how little money it took to get them.

The Madrid-based tax fintech announced on Thursday that it has secured €4 million in debt financing from BBVA Spark, the Spanish banking giant’s dedicated unit for high-growth companies.

The facility is backed by the European Union’s NextGenerationEU recovery fund and the European Investment Fund, with additional support from Spain through the state compartment of the InvestEU programme.

What the announcement does not say loudly enough: this is the second €4 million deal TaxDown has closed in under a year. In April 2025, it raised the same amount ...