Taxdown
Tu declaración de la renta, bien hecha
Madrid, Spain · Founded 2019 · $23.2M raised
- Headquarters
- Madrid
- Employees
- 51–200
- Founded
- 2019
- Business Model
- B2C
- Website
- taxdown.es
- Total Funding
- $23.2M
- Last Round
- $5.1M Venture RoundMar 2026
- Rounds
- 6
About
TaxDown is a Madrid-based AI-powered tax filing platform that combines a proprietary AI engine with a team of 150+ human tax specialists to help Spanish taxpayers maximize refunds and minimize errors on their income tax returns. Users connect securely with Spain's tax authority (Hacienda), answer guided questions in minutes, and have their declaration reviewed and submitted by experts. The platform has served over 500,000 users and helped businesses and individuals across Spain identify deducciones they would otherwise miss.
Summary
Taxdown is an Artificial Intelligence company based in Madrid, Spain, founded in 2019. It has raised $23.2M in total across 6 rounds, most recently a $5.1M Venture Round round in Mar 2026. Investors include Base10 Partners, JME Ventures and Atresmedia.
Tech & App Stack
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Funding History
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Mar 2026
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Pre-Seed through Venture Round — per-round amounts, valuations, and who invested in each round.
Investors
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