Japan · 
Who invested in Plainer?
Plainer's investors include Mizuho Capital, CyberAgent Capital and Angel Bridge.
Japan · Series A startup
Who invested in Plainer
Funding summaryUpdated 26 Oct 2026
$2.8Mraised across 1 round since 2025, from 1 source
- Latest round
- Series A, $2.8MMay 2025
- Investors
- 3
The rounds
- May 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Plainer
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.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.