Insights

Cybersecurity Focus Cyllene highlights cybersecurity and training as core offerings, plus recent introduction of the Cyllene Box RC-DC4/5G to address rising cyber risks. Opportunity: propose managed security services, threat intelligence integration, and security device deployment for clients prioritizing robust defenses.

Digital Transformation The firm emphasizes end-to-end digital transformation across advisory, architecture, cloud, app deployment, data analytics, and managed services. Opportunity: position as a one-stop partner for clients migrating to cloud, modernizing apps, and harnessing data insights.

Energaïa Spotlight Cyllene showcased its Cyllene Box at Energaïa 2025, signaling a productized security offering and industry visibility. Opportunity: engage energy sector and utilities prospects leveraging modular security hardware and technology showcase credibility.

Regional/Niche Growth Based in Paris with 201-500 employees and a revenue range of $1M-$10M, Cyllene appears positioned for mid-market growth and scale-ready engagements. Opportunity: target mid-market enterprises seeking comprehensive IT services, cloud, and data analytics with a human-centered delivery model.

Talent & Training The company emphasizes nurturing talent with junior-senior pairing, ongoing trainings, and career development. Opportunity: offer staff augmentation, training programs, and certification-led engagements to help Cyllene scale capabilities for client projects.

Cyllene Tech Stack

Cyllene uses 8 technology products and services including AWS Glue, Microsoft Entra ID, Slick, and more. Explore Cyllene's tech stack below.

  • AWS Glue
    Big Data Processing
  • Microsoft Entra ID
    Identity And Access Management
  • Slick
    Javascript Libraries
  • HAProxy
    Load Balancers
  • Windows Server 2012
    Operating Systems
  • Bootstrap
    UI Frameworks
  • Apache
    Web Servers
  • Conditional Fields for Contact Form 7
    Widgets

Cyllene's Email Address Formats

Cyllene uses at least 1 format(s):
Cyllene Email FormatsExamplePercentage
First.Last@groupe-cyllene.comJohn.Doe@groupe-cyllene.com
99%
First.Middle@groupe-cyllene.comJohn.Michael@groupe-cyllene.com
1%

Frequently Asked Questions

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

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Cyllene's official website is groupe-cyllene.com and has social profiles on LinkedIn.

How much revenue does Cyllene generate?

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As of July 2026, Cyllene's annual revenue is estimated to be $1M - $10M.

What is Cyllene's NAICS code?

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Cyllene's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Cyllene have currently?

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As of July 2026, Cyllene has approximately 295 employees across 2 continents, including EuropeNorth America. Key team members include Head Of Strategic Alliances And Partnership: O. M.Directeur De La Sécurité De L’information: J. C.Key Account Manager: A. L. F.. Explore Cyllene's employee directory with LeadIQ.

What industry does Cyllene belong to?

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Cyllene operates in the IT Services and IT Consulting industry.

What technology does Cyllene use?

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Cyllene's tech stack includes AWS GlueMicrosoft Entra IDSlickHAProxyWindows Server 2012BootstrapApacheConditional Fields for Contact Form 7.

What is Cyllene's email format?

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Cyllene's email format typically follows the pattern of First.Last@groupe-cyllene.com. Find more Cyllene email formats with LeadIQ.

When was Cyllene founded?

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Cyllene was founded in 1986.
Cyllene logo

Cyllene

IT Services and IT ConsultingÎle-de-France, France201-500 Employees

Cyllene is a mid-sized IT services and consulting firm based in Paris, Île-de-France, employing hundreds of professionals. It provides a full spectrum of capabilities, including advisory services, architecture definitions, hosting and managed services, cybersecurity and training, deployment of applicative and web technologies, and data intelligence and analytics.

The company serves organizations pursuing digital transformation by delivering integrated IT support across strategy, architecture, operations and analytics. In December 2025, Cyllene unveiled the Cyllene Box RC-DC4/5G at the Energaïa trade show in response to rising cyber risks. The firm also participated in Energaïa at that time, reflecting ongoing engagement with industry events.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1986
Employees
201-500

Section iconFunding & Financials

  • $1M - $10M

    Cyllene's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Cyllene's revenue is estimated to be in the range of $1M - $10M

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