# Lucis (YC P25): Health, Paris, France > Lucis (YC P25): Lucis is a Paris-based preventive healthcare startup founded in 2025, backed by Y Combinator. Based in Paris, France. Founded 2024. Source: https://millionrounds.com/startup/lucis-yc-p25 (Millionrounds; every figure on the page links to its filing or article) France · [Health startup](https://millionrounds.com/companies) # Lucis (YC P25) Lucis is a Paris-based preventive healthcare startup founded in 2025, backed by Y Combinator. Funding reported Last round: Series A Health Paris, France Company summary - **Founded:** 2024 2 years old - **Team:** 31 11 to 50 people - **Funding reported:** 28.6M as listed, currency not stated - **Last round:** Series A May 2026 How sure we are - ✓ **Listed** We know it exists and what it does - 2 **Funding reported** A company dataset reports a raise - 3 **Observed** A filing or a dated announcement confirms a round No round for Lucis (YC P25) has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology) ## About Lucis (YC P25) Lucis is a Paris-based preventive healthcare startup founded in 2025, backed by Y Combinator. The company focuses on enhancing human longevity by providing AI-driven health insights across Europe. Lucis operates as an educational and preventive health companion, bridging clinical-grade laboratory data with actionable lifestyle advice. Its mission is to make preventive health the standard for individuals in Europe. The core offering is a subscription-based preventive health companion app that integrates clinical testing with AI analysis and personalized health planning. Users can access a wide range of blood biomarker analyses, receive tailored health action plans, and benefit from ongoing health tracking. Lucis has already served over 10,000 customers and conducted more than 1 million biomarker tests, demonstrating significant early traction in markets including France, the United Kingdom, Ireland, and Portugal. The company aims to empower individuals to take proactive steps toward their health and well-being. ## What company datasets say Lucis (YC P25) raised Funding, as reported Reported in all **28.6M** in the source's currency Last round **Series A** Last round size **20M** Last round date **May 2026** Investors listed **5** ## On 4 portfolio pages Investors who name them - [North South Ventures](https://millionrounds.com/fund/north-south-ventures) - [Motier Ventures](https://millionrounds.com/fund/motier-ventures) - [Source Ventures](https://millionrounds.com/fund/source-ventures) - [LongGame Ventures](https://millionrounds.com/fund/longgame-ventures) Each firm lists Lucis (YC P25) on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source. ## The company, in detail What they build Known for health care preventive health consumers personalized recommendations information technology & services health scores hospital & health care biomarkers retrospective analysis b2c health saas biomarker analysis services health monitoring consumer products & retail Built with from their website Google Tag Manager HREF Lang PWA Klaviyo Google Workspace CloudFlare Viewport Meta Lucide webpack Facebook SDK +8 more Yotpo Apple Business Manager Google Meet CloudFlare CDN Priority Hints React Cloudflare Insights Mobile Friendly - **Sector:** Health - **Industry code:** NAICS 62139, 621999, 518210, SIC 8731 - **Region:** Ile-de-France ## Health in France Startups like it - [**Microphyt** Baillargues · founded 2007 *Raised*](https://millionrounds.com/company/microphyt) - [**Foodvisor** Paris · founded 2015 *Raised*](https://millionrounds.com/company/foodvisor) - [**Wefight** Paris · founded 2017 *Raised*](https://millionrounds.com/company/wefight) - [**TripleW Europe** Ivry-sur-Seine · founded 2015](https://millionrounds.com/startup/triplew-europe) - [**Withings** Issy-les-Moulineaux · founded 2008](https://millionrounds.com/startup/withings) - [**Team8** Paris · founded 2015](https://millionrounds.com/startup/team8) - [**bsport** Paris · founded 2018](https://millionrounds.com/startup/bsport) - [**Neoness** Montreuil · founded 2008](https://millionrounds.com/startup/neoness) ## Is this your company? Add your raise, your deck and your story, and put Lucis (YC P25) in front of investors. Or tell us what we have wrong. [List your startup](https://millionrounds.com/list-your-startup)[Send a correction](https://millionrounds.com/corrections)