# BASE

> BASE is a VC fund in Roppongi backing Content and Internet. See 4 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Roppongi, Japan
- Total investments: 4
- Last investment: Jan 2021
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/base-inc./
- X (Twitter): https://twitter.com/binc_jp
- Website: https://binc.jp/
- Facebook: https://www.facebook.com/pg/Baseinc2012/

BASE is a VC fund in Roppongi focused on Content and Internet. BASE provides web-based services that develop and build e-commerce platforms. The company provides its services across Japan, such as net shop creation, development of shopping applications, development of online payment, and other services.

## Contacts

5 contacts available for BASE. Shizune tracks 10 team members at BASE. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/the-base?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $43M–$43M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Content | 2 | 50% |
| Internet | 2 | 50% |
| SNS | 1 | 25% |
| Fashion | 1 | 25% |
| Finance | 1 | 25% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 2 | 50% |
| Series E | 1 | 25% |
| Corporate Round | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 3 | 75% |
| Australia | 1 | 25% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Yuta Tsuruoka | Representative Director & CEO | 2 | https://shizune.co/investors/profile/yuta-tsuruoka |
| Jinguuji Masahito | Operating Officer | 0 | https://shizune.co/investors/profile/jinguuji-masahito |
| Kazuma Ieiri | Founder & Outside Director | 18 | https://shizune.co/investors/profile/kazuma-ieiri |
| Ken Harada | Director & CFO | 0 | https://shizune.co/investors/profile/ken-harada |
| Kenichi Takano | CEO | 0 | https://shizune.co/investors/profile/kenichi-takano |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Note | Note develops a media platform that aims to help creators publish sentences, images, and audio over the Internet. The company's platform enables users to receive updates in order to keep track of daily information, allowing creators and readers to feel comfortable creating things and delivering them pleasantly to the recipients. |  | Corporate Round | Jan 12, 2021 |  |
| CAMPFIRE | Campfire engages in the planning, development, and operation of a crowd funding platform.They operate the largest cloud funding platform in Japan [CAMPFIRE (campfire)], which supports "whoever wants to start something."The fee is 5% of the domestic level, and about 15,000 projects have collected about $70million in total from over700,000 people. | $439.4M | Series E | Dec 04, 2020 |  |
| MOSH | MOSH is end-to-end, entirely digital healthcare platform for prescribing and delivering medicines direct to consumers. | $42.5M | Series A | Oct 16, 2020 |  |
| MOSH Japan | MOSH is a web page creation services for individual business owners. | $42.5M | Series A | Oct 16, 2020 |  |

4 of 4 investments shown.

## Co-investors
- [DBJ Capital](https://shizune.co/investors/profile/dbj-capital) — VC Fund, 2 deals together
- [Hakuhodo DY Ventures](https://shizune.co/investors/profile/hakuodo-dy-ventures) — VC Fund, 2 deals together
- [Bungeishunju](https://shizune.co/investors/profile/bungeishunju) — VC Fund, 1 deal together
- [MARUI GROUP](https://shizune.co/investors/profile/marui-group) — VC Fund, 1 deal together
- [Minerva Growth Partners](https://shizune.co/investors/profile/minerva-growth-partners) — VC Fund, 1 deal together
- [Mizuho Bank](https://shizune.co/investors/profile/mizuho-bank) — VC Fund, 1 deal together

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## FAQ

### What does BASE invest in?

BASE invests primarily in Content, Internet and SNS startups, most often at Series A and Series E stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is BASE's check size?

BASE typically joins rounds of $43M–$43M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds BASE participates in.

### How do I contact BASE?

Public channels for BASE include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at BASE?

The team at BASE includes Yuta Tsuruoka (Representative Director & CEO), Jinguuji Masahito (Operating Officer) and Kazuma Ieiri (Founder & Outside Director), among 10 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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