TaxDown
Overview
TaxDown is a Madrid fintech founded in 2019 that automates personal income tax filing. Its algorithms review a taxpayer's data against hundreds of deductions and file the return with the Spanish tax agency. The service has processed returns for hundreds of thousands of users and expanded to other markets.
Funding and backers
Total raised
$4.3M
1 round on record
Latest round
$4.3M
Venture round · Mar 2026 · 8 mo ago
Team
11-50
employees, estimated range
The money's age
Fresh money
8 months since the last round · not hiring
Momentum
20/100
fresh money
Last sign of life
2 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Mar 2026 | $4.3M | — | TNW Fintech-ecommerce |
Registers and programsofficial lists and records that name the company
| Legal entity | Tax Down S.L. | its site |
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers

Tributi is a Colombian fintech founded in 2018 that automates personal income tax filing. Its software guides users through declarations…

File your Income Tax Returns (ITR) for FY 2025-26 (AY 2026-27) online with Prosperr.io. Get maximum refunds, expert tax filing, free tax…

The independent FX cost benchmark for companies. Measured from your own trades, judged against hundreds of peers, backed by a guarantee.

CoinTracker is a portfolio and tax software company founded in 2017 and based in San Francisco. It synchronises transactions from hundreds…

Flux is global payroll infrastructure — a payroll API and white-label embedded payroll with automated tax filing across LATAM and Europe.

Paymob is an Egyptian fintech founded in 2015 and based in Cairo. Its infrastructure lets merchants accept card, wallet and instalment…
Financials
Total raised
$4.3M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | $4.3M | Details |
News
Álvaro Falcones (TaxDown): Gracias a la IA vamos a conseguir que tu declaración de la renta se haga sola
La inteligencia artificial ya está transformando la forma en la que millones de contribuyentes presentan su declaración de la renta. El cofundador ...
Read more
Report
Cómo pagar menos impuestos en tu Declaración de la Renta
Optimiza tu Renta 2025 con esta guía de TaxDown: deducciones, criptos y errores que evitar para ahorrar impuestos y cumplir con Hacienda sin riesgos.
Read more
Report
Report
TaxDown secures €4M financing to expand AI tax platform
Madrid fintech TaxDown secured €4M in debt from BBVA Spark, its second €4M deal in a year, and it's now scaling AI into Latin America.
Read more
Report
Consultorio fiscal con Aitor Fernández (TaxDown): consejos de última hora para ahorrar hasta 10.000 euros en la Renta de 2026 antes de que acabe el año
Aunque todavía faltan más de cuatro meses para que comience la Campaña de la Renta 2025/2026, todavía hay tiempo para mejorar el resultado de nuestra futura declaración. Los contribuyentes españoles pueden ahorrarse dinero en la recta final del año si sig
Read more
Report
TaxDown, la startup que ha revolucionado la manera de presentar ladeclaración de la renta
La plataforma de declaración de la renta de TaxDown es la manera más rápida, sencilla y segura de presentar el borrador (un 32% de usuarios lo acepta directamente sin comprobar posibles ahorros en sus deducciones). Un ahorro medio de 400 euros que puede l
Read more
Report
Taxdown, tu declaración de la renta lista en minutos y con más ahorro
Esta aplicación asegura un ahorro medio de más de 480€ y tener la declaración presentada en menos de 15 minutos.
Read more
Report
TaxDown banks $3M for tech that helps people get their taxes done
Madrid-based TaxDown, which automates income tax filing by calculating regional deductions due to users so they don't have to navigate complex tax rules
Read more
Report
Leer en El País
"Gracias a la IA vamos a conseguir que tu declaración se haga sola" Álvaro Falcones, cofundador
Read more
Report
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Madrid
Spain
HQ
10-50 est. staff





