Insights

Growing Market Presence TaxDown's position as the leading private tax filing platform in Spain and Mexico, with over 4 million users and 2 million tax returns filed, indicates a strong and expanding customer base ripe for upselling or cross-selling additional financial technology services.

Recent Funding Boost The recent infusion of €4.59M in funding from Bonsai Partners demonstrates investor confidence and potential for scaling operations, which can open new opportunities to offer premium features, enterprise solutions, or expanded API integrations to existing and new clients.

AI-Driven Efficiency TaxDown's innovative HumanAI system combining AI with human expertise presents a compelling value proposition for B2B clients such as banks, fintechs, and insurers seeking to embed intelligent tax solutions into their offerings, creating partnership and licensing opportunities.

Multi-Segment Service Offering The platform's ability to serve individuals, freelancers, companies, and financial institutions showcases versatility, enabling sales representatives to target a broad array of prospects interested in customized tax management and advisory solutions.

Strategic Partnerships Collaborations like Malt for freelancer services highlight opportunities to develop joint offerings or expand into new markets by leveraging existing partnerships, thus creating additional revenue streams and strategic alliances.

Similar companies to TaxDown

TaxDown Tech Stack

TaxDown uses 8 technology products and services including Cloudflare Web Optimizations, Unpkg, Cloudflare CDN, and more. Explore TaxDown's tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • Unpkg
    Content Delivery Network
  • Cloudflare CDN
    Content Delivery Network
  • Open Graph
    Content Management System
  • Lenis
    Javascript Libraries
  • HSTS
    Security
  • HTTP/3
    Web & Portal Technology
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

TaxDown's Email Address Formats

TaxDown uses at least 2 format(s):
TaxDown Email FormatsExamplePercentage
First@taxdown.esJohn@taxdown.es
71%
First.Middle@taxdown.esJohn.Michael@taxdown.es
15%
First.Last@taxdown.esJohn.Doe@taxdown.es
14%

Frequently Asked Questions

Where is TaxDown's headquarters located?

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TaxDown's main headquarters is located at Madrid, Community of Madrid 28005 Spain. The company has employees across 4 continents, including EuropeNorth AmericaAsia.

What is TaxDown's official website and social media links?

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TaxDown's official website is taxdown.ai and has social profiles on LinkedInCrunchbase.

What is TaxDown's NAICS code?

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TaxDown's NAICS code is 5112 - Software Publishers.

How many employees does TaxDown have currently?

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As of May 2026, TaxDown has approximately 284 employees across 4 continents, including EuropeNorth AmericaAsia. Key team members include Cfo: J. R. C.Chief Marketing Officer: D. T.Chief Commercial Officer (cco): B. M. S.. Explore TaxDown's employee directory with LeadIQ.

What industry does TaxDown belong to?

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TaxDown operates in the Software Development industry.

What technology does TaxDown use?

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TaxDown's tech stack includes Cloudflare Web OptimizationsUnpkgCloudflare CDNOpen GraphLenisHSTSHTTP/3X-Content-Type-Options.

What is TaxDown's email format?

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TaxDown's email format typically follows the pattern of First@taxdown.es. Find more TaxDown email formats with LeadIQ.

How much funding has TaxDown raised to date?

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As of May 2026, TaxDown has raised $4.6M in funding. The last funding round occurred on Apr 22, 2025 for $4.6M.

When was TaxDown founded?

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TaxDown was founded in 2019.

TaxDown

Software DevelopmentCommunity of Madrid, Spain201-500 Employees

Somos la plataforma privada líder en declaración de la renta en España y México. Más de 4 millones de usuarios y más de 2 millones de declaraciones presentadas nos avalan.
Combinamos el poder de la IA con la experiencia de más de 200 profesionales fiscales con un doble propósito: liberar a particulares, autónomos y empresas de la carga de la burocracia fiscal, y luchar para recuperar cada euro y cada peso al que tienen derecho. Más de 300 M€ ahorrados para nuestros usuarios lo demuestran.
Nuestro sistema HumanAI reúne dos fuerzas complementarias: la IA analiza, detecta y simplifica; los expertos humanos interpretan, revisan y aplican criterio. La IA llega donde el humano no puede, y viceversa.
Lo que hacemos:
🔹 Para particulares — Tus impuestos y gestiones, resueltos. Nuestra IA cruza tus datos con más de 250 deducciones para encontrar los ahorros que otros pasan por alto. Los expertos validan cada resultado.
🔹 Para autónomos — Tu asesoría fiscal, pero más inteligente. IA que automatiza lo repetitivo, y un experto dedicado para lo que requiere criterio.
🔹 Para empresas — El beneficio fiscal que toda tu plantilla realmente usa. Programas de bienestar fiscal para empleados y clientes, con asesoramiento inteligente 24/7.
🔹 Para bancos, fintechs y aseguradoras — Infraestructura fiscal embebible vía API. Integra inteligencia y confianza directamente en tus canales.
Lo que nos diferencia:
→ Líderes en España y México: la plataforma privada de declaración de la renta nº 1
→ +4M de usuarios y 2 millones de declaraciones presentadas
→ Sistema HumanAI: IA + 200 expertos fiscales
→ Asistente fiscal con IA, siempre activo, 24/7
→ +300 M€ ahorrados para nuestros usuarios
→ Seguridad certificada

Section iconCompany Overview

Headquarters
Madrid, Community of Madrid 28005 Spain
Website
taxdown.ai
NAICS Code
5112 - Software Publishers
Founded
2019
Employees
201-500

Section iconFunding & Financials

  • $4.6M

    TaxDown has raised a total of $4.6M of funding over 9 rounds. Their latest funding round was raised on Apr 22, 2025 in the amount of $4.6M.

  • $10M$25M

    TaxDown's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $4.6M

    TaxDown has raised a total of $4.6M of funding over 9 rounds. Their latest funding round was raised on Apr 22, 2025 in the amount of $4.6M.

  • $10M$25M

    TaxDown's revenue is estimated to be in the range of $10M$25M

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