Insights

Strategic Growth CELESTE is a mid-sized French telecom operator with a private 14,000 km network, expanding through acquisitions (Magic Group) and cross-border capabilities via its Swiss subsidiary VTX Telecom, signaling potential for upsell of enterprise-grade fiber, connectivity, and cross-border services.

Security & Compliance Operating ISO 27001 and HDS certified data centers and joining Hexatrust positions CELESTE as a trusted security and cloud partner, presenting opportunities to pitch advanced cybersecurity, data hosting, and compliant cloud solutions to risk-conscious enterprises.

Enterprise Focus With 20,000+ business customers, 15 regional offices, and a 700-strong expert team, CELESTE demonstrates a scalable platform for enterprise networking, managed services, cloud, and cybersecurity offerings suitable for upsell to mid-market and larger accounts.

Data Center Advantage Three eco-friendly, high-security data centers plus a robust fiber backbone provide a foundation for managed hosting, DR/BCP, and private cloud deployments, enabling targeted proposals to companies seeking performance and resilience.

Tech Ecosystem Stack includes key enterprise technologies (Microsoft Advertising, PostgreSQL, Cisco, Fortinet, GitLab) and a focus on cloud and security tooling, suggesting cross-sell opportunities around cloud migration, security tooling, and integration services for existing clients.

Similar companies to CELESTE

CELESTE Tech Stack

CELESTE uses 8 technology products and services including Microsoft Advertising, Chef Infra, PostgreSQL, and more. Explore CELESTE's tech stack below.

CELESTE's Email Address Formats

CELESTE uses at least 4 email formats:
CELESTE Email FormatsExamplePercentage
First.Last@celeste.frJohn.Doe@celeste.fr
82%
FLast@celeste.frJDoe@celeste.fr
13%
LastF@celeste.frDoeJ@celeste.fr
4%
Last@celeste.frDoe@celeste.fr
1%

Frequently Asked Questions

What is CELESTE's phone number?

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You can contact CELESTE's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CELESTE's official website and social media links?

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CELESTE's official website is celeste.fr and has social profiles on LinkedIn and Crunchbase.

How much revenue does CELESTE generate?

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As of August 2026, CELESTE's annual revenue is estimated to be $100M - $250M.

What is CELESTE's NAICS code?

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CELESTE's NAICS code is 517 - Telecommunications.

How many employees does CELESTE have currently?

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As of August 2026, CELESTE has approximately 541 employees across 5 continents, including Europe, Africa and North America. Key team members include Coo: E. L., Chief Accounting Officer: J. M. and Vice President - Business Development Group - France & Switzerland: A. N. Explore CELESTE's employee directory with LeadIQ.

What industry does CELESTE belong to?

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CELESTE operates in the Telecommunications industry.

What technology does CELESTE use?

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CELESTE's tech stack includes Microsoft Advertising, Chef Infra, PostgreSQL, Shopify, GitLab, Cisco, Fortinet and Piwik PRO Core.

What is CELESTE's email format?

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CELESTE's email format typically follows the pattern of First.Last@celeste.fr. Find more CELESTE email formats with LeadIQ.

How much funding has CELESTE raised to date?

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As of August 2026, CELESTE has raised $315M in funding. The last funding round occurred on Jul 15, 2021 for $315M.

When was CELESTE founded?

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CELESTE was founded in 2001.
CELESTE logo

CELESTE

TelecommunicationsÎle-de-France, France501-1000 Employees

CELESTE is a French telecom operator serving businesses with high-performance fiber optic connectivity, cloud services, and cybersecurity solutions. The company maintains a privately owned network spanning more than 12,000 kilometers across France and Switzerland, enabling fast, secure, and reliable connections. It operates three eco-friendly data centers that are certified ISO 27001 and HDS, offering robust data protection for clients. CELESTE employs about 700 experts, has 15 regional offices, and supports over 20,000 businesses, with its base located in Champs-sur-Marne, Île-de-France at 20 Rue Albert Einstein. Through its Swiss subsidiary, VTX Telecom, CELESTE extends its services beyond France and strengthens its European footprint. In March 2026 the company joined Hexatrust, an alliance focused on cybersecurity and trusted cloud.

Section iconCompany Overview

Phone number
Website
celeste.fr
NAICS Code
517 - Telecommunications
Founded
2001
Employees
501-1000

Section iconFunding & Financials

  • $315M

    CELESTE has raised a total of $315M of funding over 2 rounds. Their latest funding round was raised on Jul 15, 2021 in the amount of $315M as a Debt Financing.

  • $100M - $250M

    CELESTE's revenue is estimated to be in the range of $100M - $250M

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