# bitkey funding: rounds and investors

> bitkey has raised $25M across 2 rounds since 2024. Investors include Goldman Sachs, Global Brain Corporation and Mizuho Corporate Bank.

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

Japan · [Venture startup](https://millionrounds.com/companies)

# Who invested in *bitkey*

2 rounds we have observed, with the 5 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.

Software

Raised 4 months ago

Funding summary Updated 26 Oct 2026

**$25M** raised across 2 rounds since 2024, from 2 sources

- **Latest round:** Venture, $25M Jul 2026
- **Investors:** 5

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.

2025 2026

**?** Venture

**$25M** Venture

- **First round:** Venture
- **Biggest round:** $25M
- **Between rounds:** 20 months

## The rounds

- **Jul 2026** Venture **$25M** *1 new* *3 returning* [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) Source recorded
- **Nov 2024** Venture **Amount undisclosed** *4 new* [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) [Spiral Capital](https://millionrounds.com/fund/spiral-capital) Source recorded

## 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.

**Venture** 2024 **Venture** 2026 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) [Spiral Capital](https://millionrounds.com/fund/spiral-capital)

## Everyone who backed them

[Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) Private equity **2** rounds

[Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) VC firm **2** rounds

[Mizuho Corporate Bank](https://millionrounds.com/fund/mizuho-corporate-bank) VC firm **2** rounds

[JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) VC firm **1** round

[Spiral Capital](https://millionrounds.com/fund/spiral-capital) VC firm **1** round

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

## Also claim to have backed them

This firm lists bitkey 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.

[Voyage Ventures](https://millionrounds.com/fund/voyage-ventures) Corporate VC Per its own site

## Quick answers about bitkey

### Who invested in bitkey?

bitkey's investors include Goldman Sachs, Global Brain Corporation, Mizuho Corporate Bank, JIC Venture Growth Investments and Spiral Capital.

### How much has bitkey raised?

bitkey has raised $25M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did bitkey last raise?

bitkey's most recent round was a Venture of $25M in Jul 2026.

### What was bitkey's biggest round?

Its most recent round, $25M in Jul 2026, is also its largest on record.

### Who backed bitkey first?

bitkey's first round on record, in Nov 2024, was backed by Goldman Sachs, Global Brain Corporation and Mizuho Corporate Bank and 1 others.

### What stage is bitkey at?

bitkey's latest named round is a Venture, in Jul 2026.

### Where is bitkey based?

bitkey is based in Japan.

## Companies like bitkey

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

[**Rimowa** $625K · Jun 2026](https://millionrounds.com/company/rimowa)[**Konnect-linK** $473K · Apr 2026](https://millionrounds.com/company/konnect-link)[**Prance** $645K · Dec 2025](https://millionrounds.com/company/prance)[**LegalOn Technologies** $50M · Jul 2025](https://millionrounds.com/company/legalon-technologies)[**Gaudiy** $69M · May 2025](https://millionrounds.com/company/gaudiy)[**MineMind** $1.0M · Oct 2026](https://millionrounds.com/company/minemind)

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