# Sami Marttinen

> Sami Marttinen is a pre-seed investor in Helsinki backing Fashion and Shopping. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Helsinki, Finland
- Total investments: 1
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sami-marttinen-18195893/
- Website: https://x.com/SamiMarttinen
- Facebook: https://www.facebook.com/sami.h.marttinen

Sami Marttinen is a pre-seed investor in Helsinki focused on Fashion and Shopping. Sami Marttinen is the Co-Founder and Chief Executive Officer at Swappie. He previously worked as the CEO and Co Founder of Viking Shave Club Oy Ab. He completed his degree from Aalto University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fashion | 1 | 100% |
| Shopping | 1 | 100% |
| Marketplace | 1 | 100% |
| Secondhand Goods | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Bought | A fully automated secondhand marketplace unleashing the 95% of hidden secondhand supply with AI. | $1.5M | Pre-Seed | Mar 26, 2025 |  |

1 of 1 investments shown.

## Co-investors
- [Lifeline Ventures](https://shizune.co/investors/profile/lifeline-ventures) — VC Fund, 1 deal together
- [Wave Ventures](https://shizune.co/investors/profile/wave-ventures) — VC Fund, 1 deal together

## Similar investors

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

### Similar country
- [Business Finland](https://shizune.co/investors/profile/tekes) — VC Fund
- [Lifeline Ventures](https://shizune.co/investors/profile/lifeline-ventures) — VC Fund
- [Tesi](https://shizune.co/investors/profile/tesi) — VC Fund

## Featured in investor lists
- [Fashion Investors in Finland](https://shizune.co/investors/fashion-investors-finland)
- [Fashion Angel Investors in Finland](https://shizune.co/investors/fashion-angel-investors-finland)
- [Consumer Angel Investors in Finland](https://shizune.co/investors/consumer-angel-investors-finland)

## FAQ

### What does Sami Marttinen invest in?

Sami Marttinen invests primarily in Fashion, Shopping and Marketplace startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Finland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co