Cosmian
Track on RadarAcquired by Atos · 2025 · news
Data protection suite using advanced encryption for public cloud security
- Total raised
- $5.99M
- Employees
- 12
- Founded
- 2018
- Momentum
- 29
Stalling
Data updated August 2026
About
About Cosmian
At a glance
Cosmian is a cybersecurity company specializing in Data Protection, founded in 2018 and headquartered in Paris, France. It has raised $5.99M in total funding, employs about 12 people, and was acquired by Atos in 2025.
Cosmian provides a comprehensive data protection suite powered by advanced cryptography to secure data in public cloud environments. The company's offerings center around three main components: a centralized Key Management System (KMS) for managing encryption/decryption processes, keys, and certificates across organizations; verifiable confidential virtual machines that enable secure deployment of sensitive applications in public cloud infrastructure; and post-quantum encryption libraries that include encrypted access policies and encrypted data search capabilities. The company's technology enables organizations to send only encrypted data to cloud operators, deploy sensitive applications in public cloud environments with cryptographic verifiability, and protect server secrets against theft. Cosmian's solutions support confidential computing use cases, including a 100% confidential AI runner that allows organizations to deploy, query, and fine-tune AI models while maintaining encryption throughout the process. Cosmian's products are available on major cloud marketplaces including AWS, Azure, and Google Cloud. The company serves various use cases including workplace application security, AI security, third-party SaaS data protection, cloud migration security, and data lake protection. Their encryption libraries feature post-quantum resistance to address future cryptographic threats. Cosmian works with academic partners including ENS, CNRS, and INRIA, and maintains technology partnerships with major cloud providers and hardware manufacturers. The company's covercrypt technology has achieved ETSI standardization for post-quantum data protection.
Momentum
How Cosmian is trending
Momentum score
Score history appears once we have at least two monthly snapshots.
Pillar breakdown
Pillar breakdown locked
Growth, Market & Financial sub-scores
Valuation
What Cosmian is worth
Estimated valuation
Products
Cosmian's products
Funding
Funding history
See every round, lead investor, and the full capital stack.
Open the full profile on Mandos to see funding history.
Public markets
Stock performance
Privately held
This company isn't publicly traded. Stock performance will appear here after an IPO.
Headcount
Headcount growth
Track hiring velocity, department mix, and seniority shifts.
Open the full profile on Mandos to see headcount growth.
Jobs
Open jobs
Every live posting, hiring pace, and role-level signal.
Open the full profile on Mandos to see open jobs.
Web traffic
Digital presence
Visits trend, bounce rate, engagement, and top countries.
Open the full profile on Mandos to see digital presence.
Tech stack
Technologies
The full stack behind the product — frameworks, clouds, security.
Open the full profile on Mandos to see technologies.
M&A
Acquisitions
Every acquisition this company has made, with dates and amounts.
Open the full profile on Mandos to see acquisitions.
Reviews & sentiment
Employee & product reviews
CEO approval, culture, comp, and detailed product ratings.
Open the full profile on Mandos to see employee & product reviews.
Leadership
Full leadership team
CEO, CxOs, VPs, and every exec with roles.
Open the full profile on Mandos to see full leadership team.
Competitors
Competitive landscape
The complete competitor set with overlap and positioning.
Open the full profile on Mandos to see competitive landscape.
News
Press & news coverage
The most recent mentions, announcements, and media coverage.
Open the full profile on Mandos to see press & news coverage.
Full profile
This public profile is a snapshot
The full Mandos profile of Cosmianadds funding rounds & investors, valuation estimates, headcount & hiring trends, technology stack, executive moves, and real-time monitoring.
FAQ
Frequently asked questions about Cosmian
When was Cosmian founded?▾
Cosmian was founded in 2018.
Where is Cosmian headquartered?▾
Cosmian is headquartered in Paris, France.
How much funding has Cosmian raised?▾
Cosmian has raised a total of $5.99M in total funding.
Is Cosmian public or private?▾
Cosmian is a privately-held company.
How many employees does Cosmian have?▾
Cosmian has approximately 12 employees.
What does Cosmian do?▾
Cosmian provides a comprehensive data protection suite powered by advanced cryptography to secure data in public cloud environments. The company's offerings center around three main components: a centralized Key Management System (KMS) for managing encryption/decryption processes, keys, and certific…