# STAMP funding: rounds and investors

> STAMP has raised $5.2M across 2 rounds since 2025. Investors include Y Combinator and Arca. Every round with its source.

Source: https://millionrounds.com/company/stamp (Millionrounds; every figure on the page links to its filing or article)

Spain · [Seed startup](https://millionrounds.com/companies)

# Who invested in *STAMP*

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Fintech

Raised 10 months ago

Funding summary Updated 26 Oct 2026

**$5.2M** raised across 2 rounds since 2025, from 2 sources

**$500K** Pre-seed **$4.7M** Seed

- **Latest round:** Seed, $4.7M Jan 2026
- **Step-up i:** 9.4×
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$500K** Pre-seed

**$4.7M** Seed

- **First round:** Pre-seed, $500K
- **Biggest round:** $4.7M
- **Between rounds:** 10 months

## The rounds

- **Jan 2026** Seed **$4.7M** *1 new* [Arca](https://millionrounds.com/fund/arca) Source recorded
- **Mar 2025** Pre-seed **$500K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Founders and team

From STAMP's own website: 4 founders, 3 on the team.

**Abel Navajas** CEO & Co-founder

**Javier Castillo** CPO & Co-founder

**Sebastián Pérez** CTO & Co-founder

**Álvaro Fontaneda** CRO & Co-founder

- **Carlos Ortiz** COO
- **Pablo Campos** COO
- **Francesco Crema** Head of Growth

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Pre-seed** 2025 **Seed** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Arca](https://millionrounds.com/fund/arca)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Arca](https://millionrounds.com/fund/arca) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=stamp).

## Also claim to have backed them

This firm lists STAMP as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[LAR Tech](https://millionrounds.com/fund/lar-tech) Corporate VC Per its own site

## Quick answers about STAMP

### Who invested in STAMP?

STAMP's investors include Y Combinator and Arca.

### How much has STAMP raised?

STAMP has raised $5.2M across 2 rounds since 2025.

### When did STAMP last raise?

STAMP's most recent round was a Seed of $4.7M in Jan 2026.

### What was STAMP's biggest round?

Its most recent round, $4.7M in Jan 2026, is also its largest on record.

### Who backed STAMP first?

STAMP's first round on record, in Mar 2025, was backed by Y Combinator.

### What stage is STAMP at?

STAMP's latest named round is a Seed, in Jan 2026.

### Where is STAMP based?

STAMP is based in Spain.

## Companies like STAMP

In the same sector, and raised in the last eighteen months.

[**ID Finance** $684M · Oct 2026](https://millionrounds.com/company/id-finance)[**Tokenized Green** $1.3M · Jul 2026](https://millionrounds.com/company/tokenized-green)[**Kintai** $14M · Jul 2026](https://millionrounds.com/company/kintai)[**Twinco Capital** $422M · Jun 2026](https://millionrounds.com/company/twinco-capital)[**Embat** $35M · May 2026](https://millionrounds.com/company/embat)[**TaxDown** $4.6M · Mar 2026](https://millionrounds.com/company/taxdown)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app