# Plainer funding: rounds and investors

> Plainer has raised $2.8M across 1 round since 2025. Investors include Mizuho Capital, CyberAgent Capital and Angel Bridge. Every round with its source.

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

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

# Who invested in *Plainer*

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Big Data & Analytics

Funding summary Updated 26 Oct 2026

**$2.8M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $2.8M May 2025
- **Investors:** 3

See who backed them

## The rounds

- **May 2025** Series A **$2.8M** [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [CyberAgent Capital](https://millionrounds.com/fund/cyberagent-ventures) [Angel Bridge](https://millionrounds.com/fund/angel-bridge) Source recorded

## Everyone who backed them

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

[CyberAgent Capital](https://millionrounds.com/fund/cyberagent-ventures) VC firm **1** round

[Angel Bridge](https://millionrounds.com/fund/angel-bridge) Angel network **1** round

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

## Quick answers about Plainer

### Who invested in Plainer?

Plainer's investors include Mizuho Capital, CyberAgent Capital and Angel Bridge.

### How much has Plainer raised?

Plainer has raised $2.8M across 1 round since 2025.

### When did Plainer last raise?

Plainer's most recent round was a Series A of $2.8M in May 2025.

### What was Plainer's biggest round?

Its most recent round, $2.8M in May 2025, is also its largest on record.

### Who backed Plainer first?

Plainer's first round on record, in May 2025, was backed by Mizuho Capital, CyberAgent Capital and Angel Bridge.

### What stage is Plainer at?

Plainer's latest named round is a Series A, in May 2025.

### Where is Plainer based?

Plainer is based in Japan.

## Companies like Plainer

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

[**QueryLift** $645K · Sept 2026](https://millionrounds.com/company/querylift)[**Estie** $14M · Apr 2026](https://millionrounds.com/company/estie)[**Patentix** $940K · Apr 2026](https://millionrounds.com/company/patentix)[**WiseVine** Mar 2026](https://millionrounds.com/company/wisevine)[**Grow Rich English School** $381K · Nov 2025](https://millionrounds.com/company/grow-rich-english-school)[**Do. Sukasu** $403K · Sept 2025](https://millionrounds.com/company/do-sukasu)

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