The cybersecurity sector in the Rhône department is primarily composed of IT services and software development firms, ranging from large groups to mid-sized companies. XEFI, with over 1200 employees, offers comprehensive IT services across Europe, while Ciril GROUP provides software and cloud solutions for the public sector. Other notable companies include PRIMX, which develops encryption solutions, and Tenacy, an all-in-one SaaS platform for cybersecurity and compliance management.
A common pattern among these companies is their focus on providing robust IT infrastructure and security solutions for businesses. Many are headquartered in Lyon or its surrounding municipalities like Villeurbanne and Limonest. The founding dates indicate a mix of established players from the 1970s and 1980s, alongside newer firms established in the 2000s and 2010s.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 1,213 | ||||
| 2 |
Ciril GROUPcirilgroup.com
A French software and Cloud industry player offering reliable solutions for public sector financial, HR, and technical management, geospatial applications, innovative GMAO and BIM technologies, and secure cloud services |
322 | |||
| 3 | 139 | ||||
| 4 | 128 | ||||
| 5 |
it partneritpartner.fr
Provides comprehensive IT and telecom services including outsourcing, staffing, audit, consulting, and project management for diverse businesses, from small to large enterprises, across various sectors. |
124 | |||
| 6 |
Axess Adcomaxess.fr
digital marketing agency supporting businesses with impactful strategies, part of a group specializing in software, cloud, and digital transformation services |
93 | |||
| 7 |
TSplus Grouptsplus.net
Enables organizations to achieve digital freedom and innovation through technology, ensuring secure and accessible critical systems for enhanced productivity and disruptive business models. |
79 | |||
| 8 |
VK ELECTRONICvk-electronic.com
Specialized in electronic security systems since 1990, providing high-performance solutions for businesses and individuals in installation and maintenance of equipment Contact us for more information |
71 | |||
| 9 |
NOVALINKnovalink.fr
novaLINK is an expert system integrator specializing in networking, systems, and IT security, providing innovative and sustainable solutions for businesses nationwide |
69 | |||
| 10 |
AlgoSecurealgosecure.fr
French company specializing in information systems security and networking Offers consulting, implementation, integration, and management services to ensure alignment with client needs |
56 | |||
| 11 | 56 | ||||
| 12 | 56 | ||||
| 13 |
Groupe Sybordsybord-etg.com
Provides tailored digital transformation solutions, unified communications, mobile services, data security, and backup solutions while emphasizing quality and social responsibility. |
54 | |||
| 14 |
Hackuityhackuity.io
Hackuity reinvents Vulnerability Management with their Exposure Management Platform, automating tasks, prioritizing risks, and reducing critical vulnerabilities for organizations worldwide |
41 | |||
| 15 | 41 | ||||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
ChamberSign Francechambersign.fr
ChamberSign France is a French certification authority providing electronic certificates for secure digital exchanges, recognized for their high level of security and reliability |
36 | |||
| 17 |
Root-Me Proroot-me.pro
Root-Me Pro provides a professional cybersecurity learning platform with virtual environments for training, testing teams, hosting events, and promoting job opportunities |
36 | |||
| 18 |
MGM Solutionsmgmsolutions.fr
Expertise in cybersecurity remediation, risk prevention, and secure digital transformation for information systems of businesses and public institutions. |
31 | |||
| 19 |
VAADATAvaadata.com
A certified Penetration Testing Company helping organizations identify and strengthen their security, offering training on web application security and conducting phishing campaigns |
25 | |||
| 20 |
APE Groupeape-conseil.com
APE CONSEIL partners in IT projects, offering analysis, development, training, and maintenance services for information systems to ensure network security, business management, customer retention, and connectivity |
24 | |||
| 21 |
Certiliencecertilience.fr
Specializing in cybersecurity, the company offers advisory, defense, infrastructure management, audits, solutions integration, 24/7 support, training, and private hosting services |
24 | |||
| 22 |
Alinto Internationalalinto.com
Specializing in email technology, the company focuses on email security, deliverability, and cloud email solutions with unique expertise in these areas |
22 | |||
| 23 |
NITnovances-it.com
Novances IT supports digital transformation by upgrading information systems and ensuring their security and compliance through expertise and know-how |
21 | |||
| 24 | 18 | ||||
| 25 |
Elysium Security SASelysium-security.com
Specialized in computer security, offering operational products and services for business and administration protection, including offensive/defensive services, security counter, and training. |
17 | |||
| 26 |
CTMS - Expert anti fraudectms.fr
An expert in anti-fraud solutions for customer onboarding, providing digital and hardware options for identity and document verification across various sectors |
17 | |||
| 27 |
SFR Business Région Centre Estsfrbusiness.fr
Provides regional telecom services including high-speed internet, business telephony, IoT, hosting, and customer support with local teams. |
16 | |||
| 28 |
Polaris STpolaris-st.com
Specialized information security consulting company providing audit, advisory, and training services to ensure clients' systems are well-secured and effectively managed globally |
16 | |||
| 29 |
IRIS Innovation Réseaux informatique et Systèmeiris-reseaux.com
Specialized network and security integrator providing expertise in the latest technologies, offering a complete array of services from security diagnostics to maintenance |
16 | |||
| 30 |
DATIVEdative-gpi.com
Specializing in data integration and valuable engineering, we drive digital transformation and maximize the concrete value of your data |
16 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in the Rhône department
- The largest companies in the Rhône department 4,813
- Multinational companies in the Rhône department 577
- Companies with in-house R&D in the Rhône department 509
- Professional services firms in the Rhône department 400
- Manufacturers in the Rhône department 322
- Retail chains in the Rhône department 302
- IT services companies in the Rhône department 286
- SaaS companies in the Rhône department 284
- Software Development companies in the Rhône department 264
- IT Services and IT Consulting companies in the Rhône department 253
- Hardware manufacturers in the Rhône department 243
- Consulting firms in the Rhône department 242
- Business Consulting and Services companies in the Rhône department 219
- Distributors and wholesalers in the Rhône department 185
- Higher Education companies in the Rhône department 155
- Education providers in the Rhône department 154
- Law Practice companies in the Rhône department 152
- Real Estate companies in the Rhône department 151
- Family-owned companies in the Rhône department 149
- Subscription businesses in the Rhône department 149
- Construction companies in the Rhône department 140
- Pharmaceutical companies in the Rhône department 134
- Financial services firms in the Rhône department 132
- Advertising Services companies in the Rhône department 126
The same list elsewhere in France
- Cybersecurity companies in France 958
- Cybersecurity companies in Île-de-France 525
- Cybersecurity companies in the Hauts-de-Seine department 154
- Cybersecurity companies in Auvergne-Rhône-Alpes 91
- Cybersecurity companies in Occitanie 49
- Cybersecurity companies in Provence-Alpes-Côte d'Azur 48
- Cybersecurity companies in Hauts-de-France 44
- Cybersecurity companies in Grand Est 40
- Cybersecurity companies in Brittany 37
- Cybersecurity companies in the Bouches-du-Rhône department 36
- Cybersecurity companies in Nouvelle-Aquitaine 35
- Cybersecurity companies in the Nord department 30
- Cybersecurity companies in Pays de la Loire 28
- Cybersecurity companies in the Haute-Garonne department 27
- Cybersecurity companies in the Ille-et-Vilaine department 25
- Cybersecurity companies in the Yvelines department 25
- Cybersecurity companies in Paris 290