# Social Interior funding: rounds and investors

> Social Interior has raised $18M across 2 rounds since 2024. Investors include Mitsubishi UFJ Capital, Global Brain Corporation and SMBC Venture Capital.

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

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

# Who invested in *Social Interior*

2 rounds we have observed, with the 6 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.

Consumer Goods

Raised 11 months ago

Funding summary Updated 26 Oct 2026

**$18M** raised across 2 rounds since 2024, from 2 sources

**$17M** Series D **$1.9M** Debt

- **Latest round:** Debt, $1.9M Dec 2025
- **Biggest round:** $17M Series D · Jan 2024
- **Investors:** 6

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.

2024 2025

**$17M** Series D

**$1.9M** Debt

- **First round:** Series D, $17M
- **Biggest round:** $17M
- **Between rounds:** 23 months

## The rounds

- **Dec 2025** Debt **$1.9M** *1 new* *4 returning* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [CyberAgent Capital](https://millionrounds.com/fund/cyberagent-ventures) Source recorded
- **Jan 2024** Series D **$17M** *5 new* [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments) 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.

**Series D** 2024 **Debt** 2025 [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [CyberAgent Capital](https://millionrounds.com/fund/cyberagent-ventures) [JIC Venture Growth Investments](https://millionrounds.com/fund/jic-venture-growth-investments)

## Everyone who backed them

[Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) VC firm **2** rounds

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

[SMBC Venture Capital](https://millionrounds.com/fund/smbc-venture-capital-2) Investment bank **2** rounds

[Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **2** rounds

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

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

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

## Quick answers about Social Interior

### Who invested in Social Interior?

Social Interior's investors include Mitsubishi UFJ Capital, Global Brain Corporation, SMBC Venture Capital, Mizuho Capital and CyberAgent Capital, and 1 more on record.

### How much has Social Interior raised?

Social Interior has raised $18M across 2 rounds since 2024.

### When did Social Interior last raise?

Social Interior's most recent round was a Debt of $1.9M in Dec 2025.

### What was Social Interior's biggest round?

Social Interior's largest round on record is $17M (Series D), in Jan 2024.

### Who backed Social Interior first?

Social Interior's first round on record, in Jan 2024, was backed by Mitsubishi UFJ Capital, Global Brain Corporation and SMBC Venture Capital and 2 others.

### What stage is Social Interior at?

Social Interior's latest named round is a Debt, in Dec 2025.

### Where is Social Interior based?

Social Interior is based in Japan.

## Companies like Social Interior

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

[**NUJP** $616K · Jul 2026](https://millionrounds.com/company/nujp)[**ANELLA Group** $1.0M · Jul 2025](https://millionrounds.com/company/anella-group)[**Chapter Homes** $6.6M · Oct 2026](https://millionrounds.com/company/chapter-homes)[**Opply** $23M · Oct 2026](https://millionrounds.com/company/opply)[**Rosie** $7.0M · Oct 2026](https://millionrounds.com/company/rosie)[**FRESH 32** $1.4M · Oct 2026](https://millionrounds.com/company/fresh-32)

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