# S5 Partners

> S5 Partners is a VC fund in Tokyo backing Marketing, CRM and Fashion. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: Jun 2020
- Lead investor: 0%
- Last updated: Aug 2026
- Website: https://s5-partners.com/

S5 Partners is a VC fund in Tokyo focused on Marketing and CRM. S5 Partners provides investment consulting, investment management, and asset management services.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Marketing | 2 | 100% |
| CRM | 1 | 50% |
| Fashion | 1 | 50% |
| E-Commerce | 1 | 50% |
| Advertising | 1 | 50% |

9 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Thecoo | THECOO is a developer of an entertainment application designed to support a fan community. The company's application offers fanicon is a member-based fan community that encourages the activities of icons together with their core fans, enabling clients to access live app streaming of entertainment contents they are interested in. | $3.5M | Series A | Jun 02, 2020 | http://thecoo.co.jp/ |
| SOLAIRO | SOLAIRO is an online customer service solution that provides the best purchasing experience for online visitors | $1.9M | Series A | Aug 22, 2019 | http://solairo.co.jp/ |

2 of 2 investments shown.

## Co-investors
- [D4V](https://shizune.co/investors/profile/d4v) — VC Fund, 1 deal together
- [MBS innovation DRIVE](https://shizune.co/investors/profile/mbs-innovation-drive) — VC Fund, 1 deal together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 1 deal together
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund, 1 deal together
- [Nippon Venture Capital](https://shizune.co/investors/profile/nippon-venture-capital) — VC Fund, 1 deal together
- [NTT DOCOMO Ventures](https://shizune.co/investors/profile/ntt-docomo-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

### Similar country
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund

## Featured in investor lists
- [Fashion VC Funds in Japan](https://shizune.co/investors/fashion-vc-funds-japan)

## FAQ

### What does S5 Partners invest in?

S5 Partners invests primarily in Marketing, CRM and Fashion startups, most often at Series A stage. Most of the 2 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did S5 Partners last invest?

The most recent investment recorded for S5 Partners closed in Jun 2020. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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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