TaxDown is a Madrid-based fintech that combines AI with human tax advisors to help individuals file personal income tax returns quickly and maximize deductions, operating in Spain and Mexico. Launched in 2019, it is the leading private tax-filing platform by volume in both markets, has simulated over 2 million tax returns, and reached profitability with over €10M in turnover.
SectorsFintech, Tax Technology, AI
Start-up MapFintech › Consumer credit & financial inclusion
Founders
E
Enrique García Moreno
Co-Founder & CEO
J
Joaquín Fernández
Co-Founder & CTO
Á
Álvaro Falcones Muñoz
Co-Founder & Co-CEO
Global models 5
AAgeras
Denmark · www.ageras.com ↗
Consumer/SMB-facing platform simplifying tax, accounting and bookkeeping via a marketplace of advisors plus software, closely mirroring TaxDown's blend of tech and human tax expertise.
$230MComparable
AApril
United States · www.getapril.com ↗
AI-powered tax filing platform embedded into financial apps, the closest match to TaxDown's AI-driven personal tax filing model.
$78MComparable
CColumn Tax
United States · www.columntax.com ↗
Consumer tax filing API/product enabling fast, guided personal income tax returns, directly comparable to TaxDown's core filing product.
$26.8MComparable
KKeeper Tax
United States · www.keepertax.com ↗
App combining AI deduction-finding with human tax expert review for individual filers, matching TaxDown's AI-plus-human-advisor approach.
$16MComparable
F
FlyFin
United States · flyfin.tax ↗
AI tax engine that automates deduction discovery and return preparation for individuals, the same core value proposition as TaxDown.
$8MComparable
In the same niche 26 others
See all in the Start-ups Map →Notes: Most funded first
Investors 16
Open as list →Base10 Partners
base10.vc
FFJ Labs
www.fjlabs.com
BBBVA Spark
www.bbvaspark.com
BBonsai Partners
www.bonsaipartners.com
AAbac Nest
abacnest.abaccapital.com
JJME Ventures
jme.vc
44Founders Capital
www.4founderscapital.com
A
Ad4Ventures
www.ad4ventures.com
AAtresmedia
atresmedia.com
B
Baldomero Falcones
F
Felipe Navío
J
James Argalas
J
Juan Urdiales
J
Jeff Reynar
K
Kartik Raghavan
V
Vladimir Ristanovic
Funding rounds 8
·2 not counted| Date | Round | Amount | Lead |
|---|---|---|---|
| 2026-03-05 | Venture Debt | €4M | BBVA Spark |
| 2025-04-22 | Series B (estimated) | €4M |
Bonsai Partners
+5 more
|
| 2024-04-10 | Series B (estimated) | €5M incl. debt: equity and debt, the split was not disclosed |
Lead not disclosed
+4 more
|
| 2023-03-22 | Series B (estimated) | €5.8M incl. debt: equity and debt, the split was not disclosed |
Lead not disclosed
+4 more
|
| 2022-03-25 | Series A (estimated) | €5.5M |
Base10 Partners
+9 more
|
| 2021-03-12 | Seed | €2.4M |
FJ Labs
+5 more
|
| 2020-04-23 | Seed | €700K |
Lead not disclosed
+6 more
|
| 2019-01 | Pre-seed | €200K | Lead not disclosed |
News 3
Open as list →| Published | Article |
|---|---|
| 2026-10-24 |
Remolonas, Ruit y XRF reciben respaldo para crecer e innovar ↗
Emprendedores
2026-10-24+1 source |
| 2025-05-14 |
TaxDown reinforces its AI push and boosts growth with a strategic investment from Bonsai ↗
Capital-Riesgo.es
2025-05-14 |
| 2024-04-11 |
TaxDown raises €5 million to transform the tax sector in Spain and Latin America ↗
Tech.eu
2024-04-11 |





