About Cosmian
Cosmian is a Technology company based in Paris (France) founded in 2018, and was acquired by Atos in November 2025. Data privacy solutions are offered through blockchain and cryptography. Cosmian has raised $5.99 million across 2 funding rounds from investors including Atos, ATC and Elaia. Cosmian offers products and services including Cosmian KMS, Cosmian AI, Cosmian VM, and Cosmian Covercrypt. Its focus areas include Enterprise Infrastructure, Cybersecurity and Data Security.
Company details
Cosmian was founded in 2018 and is headquartered in Paris, France. Operations focus on the data privacy sector, where blockchain and cryptographic technologies are utilized to enable user control over personal data via an internet-based model. Support is provided for applications that incorporate privacy-by-design principles, ensuring secure data handling across various digital environments.
- Headquarters Paris, France
- Stage Acquired
- SectorsTechnology
- Email••••••••
- Website cosmian.com
- Social LinkedIn X
- Acquired by Atos (Nov 2025)
Products & Services of Cosmian
Cosmian offers a comprehensive portfolio of products and services, including Cosmian KMS, Cosmian AI, Cosmian VM, and Cosmian Covercrypt.
Centralized system for managing encryption keys and certificates securely
Platform for deploying and querying AI models with full encryption
Virtual machine for securing data in use on public clouds
Advanced library for post-quantum data protection and access policies
Funding Insights of Cosmian
Cosmian has successfully raised a total of $5.99M across 2 strategic funding rounds. The most recent funding activity was a Series A round of $4.41 million completed in June 2022. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $5.99M
- Total Rounds 2
- Last Round Series A — $4.41M
- First Round $1.58M
(Mar 2019)
- Investors Count 6
All 2 funding rounds of Cosmian with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
7 investors in total: 7 institutional.
Investors in Cosmian
Cosmian has secured backing from 7 investors, including institutional and venture fund investors. Prominent investors backing the company include Atos, ATC and Elaia.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital firm focused on early-stage investments | elaia.com | Paris, France | ||
| 115k.fr | ||||
Investments are made in early-stage tech companies by Acequia Capital. | acecap.com | Seattle, United States | ||
Fiblac is operated as a family holding company managing diverse investments. | 2011 | fiblac.fr | Levallois-Perret, France | |
| assurtech.com | ||||
Retail banking and insurance services are provided by La Banque Postale. | 2006 | labanquepostale.fr | Paris, France | |
Analytics solutions and services for energy networks are provided. | 2000 | atos.net | France |
Investor details for Cosmian
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of Cosmian
16 people are tracked at Cosmian (4 in leadership, 3 in board & advisors, 9 in team).
| Name | Role | Group |
|---|---|---|
Pierre Cabannes | Head, Sales | Leadership |
Bruno Grieder | CTO & Co-Founder | Leadership |
Sandrine Murcia | CEO & Co-Founder | Leadership |
Thomas Ramahefasolo | Head, Customer Projects | Leadership |
David Gurlé | Advisor | Board & advisors |
Nigel Smart | Advisor | Board & advisors |
David Pointcheval | Advisor | Board & advisors |
Théophile Brézot | Software Developer Engineer | Team |
Emmanuel Coste | Lead Developer | Team |
François Colas | Cryptography Engineer | Team |
Rémy François | Senior Infrastructure Engineer | Team |
Sylvain Rieutord | Cryptography Developer Engineer | Team |
Chloé Hébant | Cryptographer | Team |
Paola de Perthuis | Cryptographer | Team |
Hatem M'Naouer | R&d Cryptographic Software Engineer | Team |
Geogina Dansou | Account Executive | Team |
Complete people profiles for Cosmian
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
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Verified entity values are shown only after access is granted.
Timeline of Cosmian
4 dated milestones of Cosmian across 7 years, from founding to its latest funding, stage changes and deals.
- Founded Cosmian is founded.
- Funding First funding round of $1.6M.
- Funding Latest funding round, Series A, of $4.4M.
- Exit Acquired by Atos.
Web traffic of Cosmian
The website of Cosmian (cosmian.com) receives about 2.7K visits a month.
- Monthly visits2.7K
▲ 13.3% vs previous month
Top companies in Cybersecurity & Data Protection
2 companies that operate in the same segment as Cosmian (Cybersecurity & Data Protection) in France, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Ledger is recognized for providing secure cryptocurrency hardware wallets. | 2014 | Paris, Ile de France, France | USD 575.4 M | 802 | ||
AI-based software suites are developed for navigation applications. | 1893 | Paris, France | USD 26.01 B | 83,020 |
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Related news about Cosmian
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Frequently Asked Questions about Cosmian
Cosmian was founded in 2018 and raised its 1st funding round 1 year after it was founded.
Cosmian is headquartered in Paris, France.
Cosmian is a funded company, having raised a total of $5.99M across 2 funding rounds to date. The company's 1st funding round was a Seed of $1.58M, raised on Mar 2019.
Cosmian was founded in 2018 and is headquartered in Paris, France. Operations focus on the data privacy sector, where blockchain and cryptographic technologies are utilized to enable user control over personal data via an internet-based model. Support is provided for applications that incorporate privacy-by-design principles, ensuring secure data handling across various digital environments.
Cosmian offers Cosmian KMS, Cosmian AI, Cosmian VM, and Cosmian Covercrypt.
Cosmian has 7 investors. Key investors include Atos, ATC, Elaia, La Banque Postale, and 115K.
Yes. Cosmian was acquired by Atos in November 2025.