Celeste

CELESTE is a prominent French telecommunications and data center services provider specializing in high-speed fiber connectivity, cloud solutions, and secure colocation. Founded in 2001, CELESTE has established itself as a trusted partner for businesses, institutions, and public sector organizations across France, delivering robust, eco-conscious digital infrastructure.

⚙️ Core Services

CELESTE delivers a full suite of enterprise-grade services, including:

• Fiber Optic Internet & Network Solutions
• Nationwide fiber optic network offering symmetrical high-speed connections, MPLS VPNs, and dedicated access.
• Data Center & Colocation Services
• Operates a growing network of data centers, including its flagship Marilyn data center in the Paris region. Facilities are ISO 27001 and HDS certified, offering secure hosting, redundancy, and eco-efficient design.
• Cloud & IT Infrastructure
• Offers public and private cloud solutions, Infrastructure as a Service (IaaS), backup and disaster recovery (DRaaS), and managed security services.
• Voice & Unified Communications
• SIP trunks, virtual PBX systems, and integrated voice solutions for modern enterprise collaboration.

🏢 Data Center Footprint

CELESTE owns and operates eight data centers across France, with facilities in:

• Champs-sur-Marne (Marilyn) – HQ and flagship facility
• Saint-Herblain (Armor)
• Albi (Fil d’Ariane)
• Rezé
• La Roche-sur-Yon
• And more regional hubs supporting nationwide coverage

All CELESTE data centers are eco-designed, utilizing free cooling systems and compact vertical layouts to optimize energy use. Several are Tier III equivalent and comply with strict French regulations for hosting sensitive and health-related data.

🌱 Innovation & Sustainability

CELESTE is deeply committed to sustainable IT infrastructure. Its Marilyn facility, for example, features a vertical architecture that reduces land use and enhances energy efficiency. CELESTE regularly integrates green technologies to minimize environmental impact while maintaining performance and reliability.

🛡️ Certifications & Compliance

• ISO 27001 – Information Security Management
• ISO 9001 – Quality Management
• ISO 22301 – Business Continuity
• HDS (Hébergeur de Données de Santé) – Health Data Hosting compliance

These certifications position CELESTE as a trusted partner for customers in healthcare, finance, government, and other regulated sectors.

📶 Why Clients Choose CELESTE

• End-to-end telecom and IT infrastructure under one provider
• Nationwide presence with local support
• High-performance fiber network & carrier-grade uptime
• Commitment to data privacy, security, and eco-responsibility