# The 30 largest cybersecurity companies in the Rh么ne department
Tamtam tracks 48 cybersecurity companies headquartered in the Rh么ne department. This list ranks the 30 largest by number of employees on LinkedIn, led by XEFI, Ciril GROUP and TIMS. Their median headcount is 41. Half of them were founded in 2005 or later. The most common headquarters are Lyon (12), Limonest (3) and Villeurbanne (3).
The cybersecurity sector in the Rh么ne 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.
馃嚝馃嚪 Rh么ne 路 30 companies 路 Updated Nov 11, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [XEFI](https://www.tamtam.ai/c/xefi) (xefi.fr)
Provides comprehensive IT services for small and medium businesses, including maintenance, cloud, security, and digitalization, across Europe with over 200 agencies. | IT Services and IT Consulting | 馃嚝馃嚪 Rillieux-la-Pape | 1,213 | 1997 |
| 2 | [Ciril GROUP](https://www.tamtam.ai/c/ciril-group) (cirilgroup.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 | Software Development | 馃嚝馃嚪 Villeurbanne | 322 | 1978 |
| 3 | [TIMS](https://www.tamtam.ai/c/tims) (tims.fr)
Specializes in telecom and IT integration for SMEs and mid-sized companies, providing unified support and digital technology expertise. | IT Services and IT Consulting | 馃嚝馃嚪 Limonest | 139 | 1988 |
| 4 | [AVA6](https://www.tamtam.ai/c/ava6) (ava6.fr)
AVA6 is an IT services company specializing in infrastructure, systems, networks, and hosting They offer project support, technical assistance, and IT outsourcing with a focus on customer satisfaction | IT Services and IT Consulting | 馃嚝馃嚪 Limonest | 128 | 2008 |
| 5 | [it partner](https://www.tamtam.ai/c/it-partner) (itpartner.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. | IT Services and IT Consulting | 馃嚝馃嚪 Lyon | 124 | 1995 |
| 6 | [Axess Adcom](https://www.tamtam.ai/c/axess-adcom) (axess.fr)
digital marketing agency supporting businesses with impactful strategies, part of a group specializing in software, cloud, and digital transformation services | Technology, Information and Internet | 馃嚝馃嚪 Lyon | 93 | 1997 |
| 7 | [TSplus Group](https://www.tamtam.ai/c/tsplus-group) (tsplus.net)
Enables organizations to achieve digital freedom and innovation through technology, ensuring secure and accessible critical systems for enhanced productivity and disruptive business models. | Software Development | 馃嚝馃嚪 Lyon | 79 | 2005 |
| 8 | [VK ELECTRONIC](https://www.tamtam.ai/c/vk-electronic) (vk-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 | Security and Investigations | 馃嚝馃嚪 Bron | 71 | 1990 |
| 9 | [NOVALINK](https://www.tamtam.ai/c/novalink) (novalink.fr)
novaLINK is an expert system integrator specializing in networking, systems, and IT security, providing innovative and sustainable solutions for businesses nationwide | IT Services and IT Consulting | 馃嚝馃嚪 Villeurbanne | 69 | 1996 |
| 10 | [AlgoSecure](https://www.tamtam.ai/c/algosecure) (algosecure.fr)
French company specializing in information systems security and networking Offers consulting, implementation, integration, and management services to ensure alignment with client needs | IT Services and IT Consulting | 馃嚝馃嚪 Villeurbanne | 56 | 2008 |
| 11 | [PRIMX](https://www.tamtam.ai/c/primx) (primx.eu)
Develops and implements encryption solutions for businesses, administrations, and ministries to protect sensitive data globally, simply, transparently, and automatically based on security policies. | Computer and Network Security | 馃嚝馃嚪 Lyon | 56 | 2003 |
| 12 | [Tenacy](https://www.tamtam.ai/c/tenacy) (tenacy.io)
All-in-one SaaS platform consolidating, simplifying, and automating cybersecurity and compliance management for organizations and CISOs. | Computer and Network Security | 馃嚝馃嚪 Lyon | 56 | 2019 |
| 13 | [Groupe Sybord](https://www.tamtam.ai/c/groupe-sybord) (sybord-etg.com)
Provides tailored digital transformation solutions, unified communications, mobile services, data security, and backup solutions while emphasizing quality and social responsibility. | IT Services and IT Consulting | 馃嚝馃嚪 Saint-Genis-Laval | 54 | 1946 |
| 14 | [Hackuity](https://www.tamtam.ai/c/hackuity) (hackuity.io)
Hackuity reinvents Vulnerability Management with their Exposure Management Platform, automating tasks, prioritizing risks, and reducing critical vulnerabilities for organizations worldwide | Computer and Network Security | 馃嚝馃嚪 Lyon | 41 | 2018 |
| 15 | [EXCUBE](https://www.tamtam.ai/c/excube) (excube.fr)
A cybersecurity consulting firm founded in 2018, EXCUBE specializes in protecting businesses by providing expertise to establish and deploy tailored defense strategies | Computer and Network Security | 馃嚝馃嚪 Lyon | 41 | 2018 |
| 16 | [ChamberSign France](https://www.tamtam.ai/c/chambersign-france) (chambersign.fr)
ChamberSign France is a French certification authority providing electronic certificates for secure digital exchanges, recognized for their high level of security and reliability | IT Services and IT Consulting | 馃嚝馃嚪 Lyon | 36 | 2000 |
| 17 | [Root-Me Pro](https://www.tamtam.ai/c/root-me-pro) (root-me.pro)
Root-Me Pro provides a professional cybersecurity learning platform with virtual environments for training, testing teams, hosting events, and promoting job opportunities | Computer and Network Security | 馃嚝馃嚪 Saint-Cyr-au-Mont-d'Or | 36 | 2019 |
| 18 | [MGM Solutions](https://www.tamtam.ai/c/mgm-solutions) (mgmsolutions.fr)
Expertise in cybersecurity remediation, risk prevention, and secure digital transformation for information systems of businesses and public institutions. | Computer Networking Products | 馃嚝馃嚪 Bron | 31 | 2013 |
| 19 | [VAADATA](https://www.tamtam.ai/c/vaadata) (vaadata.com)
A certified Penetration Testing Company helping organizations identify and strengthen their security, offering training on web application security and conducting phishing campaigns | IT Services and IT Consulting | 馃嚝馃嚪 Lyon | 25 | 2013 |
| 20 | [APE Groupe](https://www.tamtam.ai/c/ape-groupe) (ape-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 | Computer Networking Products | 馃嚝馃嚪 Rillieux-la-Pape | 24 | 1985 |
| 21 | [Certilience](https://www.tamtam.ai/c/certilience) (certilience.fr)
Specializing in cybersecurity, the company offers advisory, defense, infrastructure management, audits, solutions integration, 24/7 support, training, and private hosting services | Computer and Network Security | 馃嚝馃嚪 Limonest | 24 | 2008 |
| 22 | [Alinto International](https://www.tamtam.ai/c/alinto-international) (alinto.com)
Specializing in email technology, the company focuses on email security, deliverability, and cloud email solutions with unique expertise in these areas | IT Services and IT Consulting | 馃嚝馃嚪 Lyon | 22 | 2000 |
| 23 | [NIT](https://www.tamtam.ai/c/nit) (novances-it.com)
Novances IT supports digital transformation by upgrading information systems and ensuring their security and compliance through expertise and know-how | Computer and Network Security | 馃嚝馃嚪 Saint-Didier-au-Mont-d'Or | 21 | 2018 |
| 24 | [ALCY](https://www.tamtam.ai/c/alcy) (alcy.fr)
A cybersecurity and network security company based in Meyzieu, France, specializing in protecting digital assets and ensuring secure communication | Computer and Network Security | 馃嚝馃嚪 Meyzieu | 18 | 2002 |
| 25 | [Elysium Security SAS](https://www.tamtam.ai/c/elysium-security-sas) (elysium-security.com)
Specialized in computer security, offering operational products and services for business and administration protection, including offensive/defensive services, security counter, and training. | Computer and Network Security | 馃嚝馃嚪 Saint-Cyr-au-Mont-d'Or | 17 | 2017 |
| 26 | [CTMS - Expert anti fraude](https://www.tamtam.ai/c/ctms-expert-anti-fraude) (ctms.fr)
An expert in anti-fraud solutions for customer onboarding, providing digital and hardware options for identity and document verification across various sectors | Software Development | 馃嚝馃嚪 Lyon | 17 | 1998 |
| 27 | [SFR Business R茅gion Centre Est](https://www.tamtam.ai/c/sfr-business-region-centre-est) (sfrbusiness.fr)
Provides regional telecom services including high-speed internet, business telephony, IoT, hosting, and customer support with local teams. | Telecommunications | 馃嚝馃嚪 Saint-Priest | 16 | |
| 28 | [Polaris ST](https://www.tamtam.ai/c/polaris-st) (polaris-st.com)
Specialized information security consulting company providing audit, advisory, and training services to ensure clients' systems are well-secured and effectively managed globally | Computer and Network Security | 馃嚝馃嚪 Saint-Priest | 16 | 2010 |
| 29 | [IRIS Innovation R茅seaux informatique et Syst猫me](https://www.tamtam.ai/c/iris-innovation-reseaux-informatique-et-systeme) (iris-reseaux.com)
Specialized network and security integrator providing expertise in the latest technologies, offering a complete array of services from security diagnostics to maintenance | Computer and Network Security | 馃嚝馃嚪 Millery | 16 | 2005 |
| 30 | [DATIVE](https://www.tamtam.ai/c/dative) (dative-gpi.com)
Specializing in data integration and valuable engineering, we drive digital transformation and maximize the concrete value of your data | Engineering Services | 馃嚝馃嚪 Lyon | 16 | |
## 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 Rh么ne department
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## The same list elsewhere in France
- [Cybersecurity companies in France](https://www.tamtam.ai/l/cybersecurity-companies-france) (958)
- [Cybersecurity companies in 脦le-de-France](https://www.tamtam.ai/l/cybersecurity-companies-ile-de-france) (525)
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- [Cybersecurity companies in Hauts-de-France](https://www.tamtam.ai/l/cybersecurity-companies-hauts-de-france) (44)
- [Cybersecurity companies in Grand Est](https://www.tamtam.ai/l/cybersecurity-companies-grand-est) (40)
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- [Cybersecurity companies in the Haute-Garonne department](https://www.tamtam.ai/l/cybersecurity-companies-haute-garonne) (27)
- [Cybersecurity companies in the Ille-et-Vilaine department](https://www.tamtam.ai/l/cybersecurity-companies-ille-et-vilaine) (25)
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Source: https://www.tamtam.ai/l/cybersecurity-companies-rhone