| # | Company | Employees |
|---|---|---|
| 1 | 38,710 | |
| 2 |
Astekastekgroup.fr
Supports clients with high-value service, deep technical expertise across technology, operations, and engineering, focusing on sustainable digital transformation with humans at the core. |
6,035 |
| 3 |
Cegedimcegedim.com
Technology and services for digital data flow management in healthcare ecosystems and B2B, plus business software publishing for healthcare and insurance professionals. |
4,103 |
| 4 | 3,016 | |
| 5 |
Apsideapside.com
Provides consulting, engineering in Information Systems, Technical and Scientific Computing, Automotive and Financial Engineering, for large French and European groups. |
2,300 |
| 6 | 2,075 | |
| 7 |
Davidson consultingdavidson.fr
A management consulting and technology company with over 2,000 employees, expanding internationally with a focus on employee well-being and creativity |
1,843 |
| 8 |
Viverisviveris.fr
consulting and engineering company for information systems, technical computing, and embedded systems, providing support from definition to integration. |
899 |
| 9 |
Nomios Groupnomios.com
Designs, secures, and manages digital infrastructures, developing innovative cybersecurity and networking solutions through consulting, managed, and professional services for organizations. |
887 |
| 10 |
Bee Engineeringbee-eng.com
Specializing in energy, processes, infrastructure, and transportation industries, we are a team of over 800 ambitious professionals based in 10 major cities |
859 |
| 11 |
PRIME ENGINEERING Franceprimeengineering.fr
Engineering consulting firm, specializing in energy, infrastructure, and IT/telecom sectors, providing expertise and know-how since 2006. |
603 |
| 12 |
Cegedim Business Services - Human Resourcescegedim-business-services.com
Specializes in outsourced payroll and HR services with a modular SaaS platform covering payroll, personnel management, time tracking, and HR analytics. |
499 |
| 13 | 435 | |
| 14 |
Renault Digitalwelcometothejungle.com
Accelerating sustainable mobility through digital transformation, product innovation, and specialized expertise in artificial intelligence, data science, user experience design, and agile methodologies. |
397 |
| 15 |
Audensielaudensiel.com
Supports clients in digital transformation projects, providing IT and business consulting, data/AI solutions, cybersecurity, and cloud/DevOps expertise. |
391 |
| 16 |
ADENTISadentis.fr
High-tech consulting company developing software and embedded systems for digital TV, telecom, medical electronics, defense, and aeronautics. Research lab. |
362 |
| 17 |
Lincoln Francelincoln.fr
Offers data science and Modern BI expertise, consulting, and support for decision-making projects, utilizing predictive analysis and machine learning algorithms. |
316 |
| 18 |
moOngymoongy.group
A network of agile consulting companies in Engineering and Digital sectors, operating in 14 countries with +8000 employees and +625m turnover by 2022 |
314 |
| 19 |
Parthena Consultantparthena.com
Integrates and supports management solutions like accounting, commercial management, payroll, CRM, and business management, offering services from analysis to hotline support. |
264 |
| 20 | 262 | |
| 21 |
ITS Servicesitsservices.fr
ITS Services is a leading company in IT Infrastructure & Operations, offering expertise in Observability, SRE, and AIOps for accelerated time to market |
240 |
| 22 |
Cellenzacellenza.com
Advises clients on digital transformation with Microsoft Cloud expertise, including security, data, AI, and app development. Offers training services. |
232 |
| 23 |
GROUPE FACTORIAfactoria-groupe.fr
Providing specialized IT, telecom, printing, office furniture, and interactive screen solutions tailored for SMEs, professionals, and administrations in France. |
212 |
| 24 |
Degeteldegetel.com
Provides digital transformation consulting, implements concrete solutions, simplifies user experience, and manages end-to-end business challenges for clients. |
180 |
| 25 | 172 | |
| 26 |
agap2IT Franceagap2-it.fr
Provides IT consulting, solutions delivery, outsourcing services, and training across various sectors including banking, insurance, and industry, with a focus on talent. |
166 |
| 27 | 164 | |
| 28 |
Gaming Solutions - FDJ UNITEDfdj-gaming-solutions.com
Leading Innovation and Technology Hub for lotteries, offering modernization and digitalization services to drive industry growth and ethical practices globally |
163 |
| 29 |
Cegedim Assurancescegedim-assurances.com
Providing SaaS platforms, business and expert services to support life and health insurance companies, mutuals, and brokers internationally. |
161 |
| 30 |
cegedim.cloudcegedim.cloud
Cloud hosting provider offering secure, high-performance services including managed hosting, virtual servers, and colocation, with expertise in healthcare software and data security |
160 |
| 31 |
Cegedim Business Services - Factures et Achatscegedim-business-services.com
Develops and sells dematerialization solutions for invoices, probative archiving, and Electronic Data Interchange (EDI) since 1989. |
155 |
| 32 |
Oméaomeaconseil.fr
Management, engineering, and consulting services for new rail lines, nuclear fleet renewal, and industrial decarbonization projects across France. |
152 |
| 33 |
ITS Integraitsintegra.com
ITS Integra is a subsidiary of ITS Group, specializing in off-site hosting and IT management for clients, focusing on customized services and added value |
134 |
| 34 |
Omnilogomnilog.fr
Engineering team specialized in web and mobile development using modern technologies for major clients in media, sports, and e-commerce industries. |
131 |
| 35 |
Avenir Conseilavenir-conseil.fr
Specialists in business information systems deployment and organizational support, managing projects from initial scoping to digital process implementation within industrial sectors. |
120 |
| 36 |
DELANE SIdelanesi.com
Provides IT consulting and services for banking, insurance, and financial markets, focusing on business analysis, development, and infrastructure management. |
120 |
| 37 |
Nexeonexeo.group
Nexeo provides consulting services in finance market information systems, covering applications, infrastructure, and technical expertise to financial institutions |
118 |
| 38 |
Groupe EOLENgeci.net
Provision of engineering and consulting services across finance, industry, telecommunications, transport, and energy sectors, covering project lifecycles from preliminary design to maintenance. |
109 |
| 39 |
Riversenriversen.fr
Engineering and consulting services for energy, industry, construction, and transportation sectors, focusing on innovative projects and technological solutions, fostering competence and career growth. |
108 |
| 40 |
Aubay Data & AIaubay.com
Aubay Data & AI specializes in Data and Artificial Intelligence consulting, guiding clients in defining and implementing successful data strategies for innovation and transformation |
102 |
| 41 |
ALTIM GROUPaltim-consulting.com
Provides IT and R&D consulting, specializing in embedded software development and integration for digital TV, IoT, automotive, health, telecom, media, and finance. |
91 |
| 42 |
EXOMINDexomind.fr
Agency specializes in mobile application and web platform design and development. Offers expert consulting services across various sectors with a focus on product, mobile, web, and data. |
80 |
| 43 |
NEWAYneway-si.com
Specializing in Information Systems, Neway provides tailored consulting and high-level IT products/services to meet clients' needs in a competitive sector |
76 |
| 44 |
ALFI : Financial Markets Consultancy Servicesalfi.fr
Provides IT services and consulting for financial markets, offering project management, technological expertise, and specialized support centers for clients' IT projects. |
73 |
| 45 |
Altelios Technology Groupaltelios.com
Engineering partner providing multidisciplinary technical solutions and professional services across industrial, environmental, and infrastructure sectors since 1986. |
68 |
| 46 |
moOngy Digital Labmoongy.group
Global IT consultancy providing custom software development, data analytics, user experience design, quality assurance, and digital performance optimization across multiple industrial sectors. |
64 |
| 47 | 62 | |
| 48 | 61 | |
| 49 |
ITS Ibelemitsibelem.com
ITS Ibelem specializes in Mobility, Collaborative Solutions, Security, and Networks They offer customized end-to-end solutions, project management, and financing for various industries |
60 |
| 50 |
Symolia Technologiessymolia.com
Offers high-value IT consulting services across France with development engineers (Java/JEE or .Net), valuing employee ideas and dynamics for client project success. |
60 |
| 51 |
Alsinova CROalsinova.com
Provision of experienced professionals in statistical analysis, data science, and programming for pharmaceutical, cosmetic, agro-food, and other industries. |
57 |
| 52 |
NAITWAYSnaitways.com
French IT solutions company specializing in high-performance infrastructure, IP services, hosting, and system integration to meet diverse telecommunications needs with expertise and flexibility |
55 |
| 53 |
UniWare Global Servicesalten.fr
Consulting firm specializing in IT infrastructure, development, and governance, delivering innovative technology solutions to enhance business productivity. |
49 |
| 54 |
Tekneum by Astek
French-founded consulting firm specializing in technician roles: support, helpdesk, datacenter, deployment, systems, and networks Part of global engineering group Astek |
49 |
| 55 |
Integraintegra.fr
European provider of managed hosting and eBusiness solutions, ensuring optimal performance for businesses with mission-critical Internet operations through a state-of-the-art infrastructure |
46 |
| 56 |
DOTSCREENdotscreen.com
Specialized agency designing and developing custom multiscreen user interfaces and apps for smart TVs, consoles, smartphones, and connected devices worldwide. |
44 |
| 57 |
Global Market Solutionsglobms.com
A specialized IT consultancy in financial markets and risk management, providing services to major clients with strong career development opportunities and tailored training programs |
42 |
| 58 |
EPIGONEepigone.fr
Business and technology consultancy specializing in banking, finance, and insurance, providing project management assistance, GraphTalk AIA integration, and Java J2EE software development. |
41 |
| 59 |
Oxianeoxiane.com
Engineering consulting and training firm specializing in agile project management, web application development, Java, and Android platform technologies. |
39 |
| 60 |
arcITekarcitek.fr
Passionate IT innovators offering project management, cybersecurity, and cloud computing services Focus on identity & security, multicloud, and network solutions Customer-centric approach Join us today! |
38 |
| 61 | 37 | |
| 62 |
DUONEXTduonext.com
A company specializing in SAP ERP solutions and services, including integration, development, and business intelligence, with a focus on sustainability and employee well-being |
36 |
| 63 |
SIDEXIAsidexia.com
A dynamic digital services company specializing in innovative and large-scale projects, focused on excellence, employee development, and customer success through cutting-edge technologies |
33 |
| 64 |
Trèfle Solutiongroupetrefle.com
A dedicated IT services company within a larger group, specializing in IT outsourcing, security, industrial systems, and offering consulting, engineering, and continuous service |
33 |
| 65 |
SCASICOMPgroupe-cyllene.com
Cloud infrastructure architect & integrator providing custom solutions for data management, IT agility, on-premises and multi-cloud integration, support, maintenance, and managed services |
33 |
| 66 |
Trèfle Ingénieriegroupetrefle.com
Assisting in Telecommunications, Energy, and Water Treatment sectors, focusing on employee well-being, client satisfaction, and innovative solutions for project development |
33 |
| 67 |
4Connect4connect.fr
4Connect is the technical subsidiary of L'Agence Télécom, providing installation planning, project supervision, and cybersecurity services to optimize data availability for businesses |
32 |
| 68 | 32 | |
| 69 |
PROGED SOLUTIONSprogedsolutions.com
Expert IT engineering services providing innovative enterprise portals, electronic document management systems, and decision support tools using certified Microsoft SharePoint technology expertise. |
27 |
| 70 |
Astek Internationalastekgroup.fr
A global engineering services provider with 18 subsidiaries worldwide, offering advanced technology solutions to various industries including energy, automotive, finance, and more |
27 |
| 71 |
ITS Eugenaitseugena.fr
Focused business software practice specialized in developing custom applications and digital solutions to optimize organizational processes and meet specific enterprise professional requirements. |
26 |
| 72 | 26 | |
| 73 | 24 | |
| 74 |
DECILIAdecilia.fr
A data intelligence consulting firm with expertise in BI, Datascience, Azure, SQL Server, and training Trusted by CAC 40 and large accounts for agile, cost-effective solutions |
23 |
| 75 |
ADROMA CONSEILadroma.fr
Consulting firm specializing in information systems management and digital transformation, serving large companies, SMEs, and startups with expertise. |
23 |
| 76 |
AZEOavanade.com
Azeo is a technology company specializing in Microsoft solutions, providing services from design to operation, with expertise in digital applications and infrastructure |
22 |
| 77 |
ANYWAY SOLUTIONanywaysolution.fr
The company specializes in providing tailored IT solutions, including infrastructure, software integration, and as-a-Service offerings, with a focus on innovation and sustainability |
20 |
| 78 | 19 | |
| 79 |
AGYLISreactis.fr
A company specializing in IT consulting, integration, and management, with a focus on new technologies, BI, CRM, ERP, and databases They prioritize client satisfaction and employee development |
19 |
| 80 |
BlueTrustybluetrusty.com
Specializing in cyber security, we provide services such as design, audits, troubleshooting, consulting, and performance monitoring, along with penetration tests and project management Connect on Twitter @randcofr |
19 |
| 81 |
Adaltasadaltas.com
Specializing in big data solutions on Hadoop and NoSQL technologies, with expertise in data analysis, governance, deployment, and management for various clients |
18 |
| 82 |
Semantyssemantys.com
Providing consulting and technical assistance for information systems transformation and digital strategy implementation to enhance business performance through proven processes and expertise. |
18 |
| 83 |
The One Studiotheonestudio.fr
A community of passionate professionals dedicated to transforming the digital ecosystem by creating a more just, rewarding, and dynamic environment |
18 |
| 84 |
GALULA Consultinggalulaconsulting.com
Expert technical and functional consultancy for Oracle E-Business Suite and Cloud, focusing on financial flows, procurement, sales, and inventory management processes. |
17 |
| 85 |
Audensiel Healthcareaudensiel.com
Innovative healthcare consulting firm specializing in pharmaceutical and biotechnology industries Focus on productivity improvement through expertise in engineering, validation, regulatory affairs, and quality assurance |
17 |
| 86 |
Lerins Technologyobjectware.fr
An ESN providing expertise in new technology integration, offering project management services with operational efficiency, reliable support, and advanced technical advice |
17 |
| 87 |
dreamIT by Astekdreamit-astek.fr
Provides infrastructure and cloud solutions focusing on cybersecurity, data management, and digital transformation for diverse international clients. |
16 |
| 88 | 15 | |
| 89 |
1001
Developing applications and providing IT consulting services |
15 |
| 90 |
IRIDISiridis.net
Specializing in servers, Iridis helps businesses of all sizes with server consolidation, virtualization, performance audits, integration, security, and continuity of operations strategies |
15 |
| 91 |
Gradiweb - Web Agencygradiweb.com
This company creates tailored digital marketing strategies to attract target audiences, guide them through the sales funnel, and convert them into happy clients and brand promoters |
15 |
| 92 |
ATTENTION PAGE INEXISTANTE ET NON ACTUALISÉEdelanesi.com
Specialized IT consulting and services company in Banking, Insurance, and Finance Focus on high-value projects for major clients in areas such as advisory, project management, and infrastructure management |
14 |
| 93 |
Axiv IT Groupaxivit.com
Axiv IT offers comprehensive IT and digitalization services, combining the expertise of multiple specialized companies to support clients with digital projects and solutions |
12 |
| 94 |
SASETYsasety.com
Specializing in IT technologies for 25 years, SASETY helps organizations secure, connect, and optimize their digital infrastructure, offering tailored solutions and expert services for cyber defense |
11 |
| 95 | 10 | |
| 96 |
Winwisewinwise.com
Winwise is a leading European technology company specializing in Microsoft solutions, providing expert services for high value IT projects with a team of 90 professionals |
10 |
| 97 |
FRISBEE PROFILINGfrisbee-profiling.fr
Specialists in software quality assurance and product management providing expert consulting services directly to large corporate clients. |
9 |
| 98 |
CARRENETcarrenet.com
Specializes in Salesforce CRM digitalization projects for SMEs and large companies, offering consulting, integration, and development services from Paris. |
9 |
| 99 |
Ethic-Technologyethic-technology.com
Support clients with digital transformation through project management, enterprise architecture, data analytics, cloud infrastructure, and information security consulting services. |
9 |
| 100 |
Activ Browser Technologyactivbrowser.com
This company specializes in digital transformation support, technical assistance for front-end and back-end expertise, marketing, communication, and creative services like design and animation |
9 |
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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 Oct 24, 2026.
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