Inactive

Demeter Partners

General contacts
Investor type

PE / VC

Founded

2005

AUM

$1 000 M

Location

Paris, Île-de-France, France

Investment Ticket

$10-50 m

Investment Stage

Seed Series A

Region of investment

North America South America Europe
Investor profile last updated: 01 September, 2026

Profile

Demea Sustainable Investment, formerly known as Demeter Partners, is a private equity firm based in Paris, France, established in 2005. The firm is composed of a team of 33 professionals and is actively involved in the ecological and energy transition sectors. Demea stands out for its commitment to sustainable investments and its membership in various venture capital associations across Europe.

The firm focuses on a diverse range of sectors including retail, energy, agriculture, clean technology, infrastructure, software-as-a-service, life sciences, industrials, and climate technology. Demea Sustainable Investment typically invests in companies within the French region, supporting them at various stages of development. The firm does not disclose its total assets under management publicly.

Notable investments by Demea Sustainable Investment include Instant System - a business productivity software company, Jay & Joy - a food products company, Amatera - an agriculture company, Healshape - a biotechnology firm, and Eborn Network - a utilities company.

Industry

Life Sciences MedTech Transportation Telecommunications Software Robotics Real Estate Marketing and Advertising Healthcare Services Foodtech Food and Beverage Agriculture Infrastructure Energy CleanTech HealthTech ClimateTech

Contacts

Name
Title
Email
Social Networks
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Benjamin Wainstain General Partner
General Partner
b•••@•••
LinkedIn
avatar
Lionel Cormier Managing Partner
Managing Partner
l•••@•••
LinkedIn
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FAQs about Demeter Partners

Demeter Partners is a venture capital and private equity firm. It backs companies at Seed and Series A, writing tickets of $10-50 m.
Demeter Partners is located in Paris, Île-de-France, France.
Demeter Partners was founded in 2005.
Demeter Partners invests in companies and startups in Life Sciences, MedTech, Transportation, Telecommunications, Software, Robotics, Real Estate, Marketing and Advertising, Healthcare Services, Foodtech, Food and Beverage, Agriculture, Infrastructure, Energy, CleanTech, HealthTech, ClimateTech.
Demeter Partners invests in companies and startups in North America, South America, Europe.
Demeter Partners invests in companies and startups at Seed, Series A.
Demeter Partners usually invests $10-50 m on average.
Demeter Partners has around $1 000m assets under management.
Demeter Partners can be reached through its website demeter-partners.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Demeter Partners — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Demeter Partners directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 01 September, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.