Siparex

Investment firm

Siparex

Private equity, Venture capital

WebsiteCrunchbase profileParis·France11known portfolio companies11people tracked17co-investors

Siparex is a private equity firm and venture capital firm. Based in Paris, Île-de-France, France. Among the 11 companies in the known portfolio are NeoPhotonics, Coinhouse, Orcan Energy, Rabot Dutilleul, Sileane and Siteflow.

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Investment focus

Who to pitch at Siparex

Siparex portfolio companies (11)

  • NeoPhotonics
  • Coinhouse
  • Orcan Energy
  • Rabot Dutilleul
  • Sileane
  • Siteflow
  • Cofarco
  • E-Recycle
  • Ekoscan Integrity
  • Monet Associes
  • NH Hotels & Resorts

Co-investors

Funds that share portfolio companies with Siparex.

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About Siparex

The firm's listing covers sectors AI, Climate, Commerce and Consumer, and focus areas API, Clean Energy, Communications Infrastructure and Crypto; known deals cluster at Late-Stage, Seed and Series A.

Of the 11 people on file at Siparex, Bertrand Rambaud (President), Damien Fulchiron (Managing Partner) and Florent Lauzet (Managing Partner) are listed as the contacts to approach first.

Siparex shares portfolio companies with 17 other investment firms, among them Consensys Mesh, Bay Partners and Ventana Capital Management.

Frequently asked questions

What is Siparex?

Siparex is a private equity firm and venture capital firm based in Paris, Île-de-France, France, with a known portfolio of 11 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.

What does Siparex invest in?

Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include API, Clean Energy, Communications Infrastructure and Crypto. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.

What stage does Siparex invest at?

The known deals of Siparex include Late-Stage, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.

Who should I pitch at Siparex?

3 of the 11 people on file at Siparex are listed as contacts for the firm. All 11 have their own profile page.

How do I contact Siparex?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 11 people attached to the firm have their own pages, each showing whether an address is on file for them.

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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal