# Fabien Dupuis

> Fabien Dupuis is a pre-seed investor in Paris backing B2B and SaaS. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: Paris, France
- Total investments: 1
- Last investment: Dec 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/fabiendupuis/#experience

Fabien Dupuis is a pre-seed investor in Paris focused on B2B and SaaS. Fabien Dupuis

## Contacts

5 contacts available for Fabien Dupuis: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/fabien-dupuis?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| B2B | 1 | 100% |
| SaaS | 1 | 100% |
| Software | 1 | 100% |
| E-Commerce | 1 | 100% |
| Marketplace | 1 | 100% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| B2B Stack | B2B Stack is the Latam leading marketplace for B2B software buying and selling. The marketplace has a comprehensive database of listed B2B software and services, real user reviews, and comparison features. Through an end-to-end digital workflow, it helps buyers with discovering products, comparing, and managing their purchasing process. It alsohelps vendors with promoting their products, capturing quality traffic, intent data, and demand generation. B2B Stack is bringing the Latam B2B solutions buying experience towards the e-commerce era.The company was founded in 2019, operates remotely (mainly in São Paulo). |  | Pre-Seed | Dec 23, 2021 |  |

1 of 1 investments shown.

## Co-investors
- [Seed9](https://shizune.co/investors/profile/seed9) — VC Fund, 4 deals together
- [Bossa Invest](https://shizune.co/investors/profile/bossanova-investimentos) — VC Fund, 1 deal together
- [Launch Africa](https://shizune.co/investors/profile/launch-africa) — VC Fund, 1 deal together
- [Polipo Ventures](https://shizune.co/investors/profile/polipo-ventures) — VC Fund, 1 deal together
- [SaaSholic](https://shizune.co/investors/profile/saasholic) — VC Fund, 1 deal together

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### Similar industry
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### Similar stage
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### Similar country
- [Bossa Invest](https://shizune.co/investors/profile/bossanova-investimentos) — VC Fund
- [DOMO.VC](https://shizune.co/investors/profile/domo-invest) — VC Fund
- [Canary](https://shizune.co/investors/profile/canary-5) — VC Fund

## Featured in investor lists
- [Enterprise Software Angel Investors in Brazil](https://shizune.co/investors/enterprise-software-angel-investors-brazil)

## FAQ

### What does Fabien Dupuis invest in?

Fabien Dupuis invests primarily in B2B, SaaS and Software startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Brazil. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Fabien Dupuis?

Public channels for Fabien Dupuis include LinkedIn. 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.

### When did Fabien Dupuis last invest?

The most recent investment recorded for Fabien Dupuis closed in Dec 2021. Shizune tracks 1 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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