Xavier Niel
What they invest in
from 6 of 6 portfolio companiesSaaS ×4AI & Machine Learning ×3Enterprise Software ×2Cleantech ×1Climate Tech ×1Construction Tech ×1Developer Tools ×1Digital Health ×1
HQs:France×5
Investments · 6 tracked
founders shown can be your intro path
Follow is a medical software platform for physicians in France and Europe to track patient care pathways, share information between practitioners, and support medical research.
Digital HealthHealthtechSaaS
Roman Collin(Founder)inSteven Kavay(CEO)in
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Co-investorsKima Ventures
Doctrine is a secure legal research and document workspace that combines public legal data with users' own documents and integrates into everyday tools like Microsoft Word, SharePoint, Google Drive, and Dropbox.
AI & Machine LearningLegalTechSaaS
Co-investorsFrstKima VenturesSummit Partners
HoloTab is a browser extension that uses AI agents to automate repetitive tasks for individuals and enterprises, allowing users to create routines that automate manual work.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareParis, FR
Julien Perolat(Founder)inLaurent Sifre(Founder)in
Co-investorsAccelCreandumDaphniFirstMark CapitalPolytechnique VenturesSamsung Next+4 more
Pennylane is a financial and accounting management platform.
Enterprise SoftwareFintechSaaSParis, FR
Arthur Waller(Founder)inEdouard MascréinFélix BlossierinQuentin de Metz(Founder)inTancrède Besnard(Founder)inThierry Déo
Co-investorsCapitalGKima VenturesSequoia CapitalTCVAngel InvestAtomico+16 more
Upstream Tech builds software for land and water management, including its Lens (geospatial monitoring) and HydroForecast (hydrological forecasting) products.
AI & Machine LearningCleantechClimate TechSaaS
Marshall Moutenot(Chief Executive Officer)Alden Keefe Sampson(Chief Technology Officer)Carolyn duPont(Chief Commercial Officer)
Co-investorsENGIE New VenturesSE VenturesY Combinator
Portfolio news
latest coverage across their companiesUpstream · ndtvprofit.com · Aug 18, 2026
Follow · thenextweb.com · Aug 14, 2026
Pennylane · thisweekinfintech.com · Jan 31, 2026
Frequently asked questions
- What sectors does Xavier Niel focus on?
- Xavier Niel focuses on Crypto & Web3.
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