The Gironde department hosts a concentration of IT services and consulting firms, ranging from established companies to more recently founded organizations. These companies offer a wide array of services, including IT infrastructure, cloud computing, cybersecurity, software development, and digital transformation.
Key players include SERMA Group, specializing in electronics solutions, CHEOPS TECHNOLOGY, a leader in Cloud Computing, and Heliaq Solutions, providing IT infrastructure and cloud solutions. QUADRIA focuses on network architectures and cloud computing, while GESTFORM specializes in high-volume digitization services. A notable pattern is the prevalence of companies headquartered in Le Haillan, such as Heliaq Solutions, QUADRIA, and CIS.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
SERMA Groupserma.com
An independent, international platform specializing in electronics solutions and services for high-stress environments, offering expertise in 5 core business lines |
1,268 | |||
| 2 |
CHEOPS TECHNOLOGYcheops-technology.com
Specializing in secure IT infrastructure, this company is a leader in Cloud Computing in France With 4 divisions, they offer expertise in Cloud, Cybersecurity, and Technology Modernization |
601 | |||
| 3 |
Heliaq Solutionskct.fr
Provision of IT infrastructure, integration, consulting, managed services, and customizable hybrid cloud solutions for businesses and public organizations. |
495 | |||
| 4 | 495 | ||||
| 5 |
CIScisclaims.com
The company assists clients in defining IT system architecture, integrating infrastructure, and providing operational support to ensure smooth functioning |
318 | |||
| 6 |
GESTFORMgestform.com
Specializing in high-volume digitization services, administrative functions outsourcing, reprography, and software solutions for over 30 years, this company offers expertise tailored to clients' projects |
230 | |||
| 7 |
Alltech Consultingalltechconsulting.fr
Growing organization with dynamic technical teams across multiple cities, focusing on employee growth, tailored development, and collaborative career building. |
160 | |||
| 8 |
CTS Consulting & Technical Supportcts-corporate.com
Provides engineering consulting and technical support across aerospace, spatial, naval, IT, pharma, transport, and energy sectors, contributing to global partner success. |
132 | |||
| 9 |
Groupe LBSgroupe-lbs.fr
A Gironde-based group specializing in document management, telecommunications, IT, and printing solutions, including distributor of Xerox products through its subsidiaries Contact for more information |
128 | |||
| 10 |
AQUITEMgroupe-aquitem.fr
A team of 130 professionals specializing in direct marketing, databases, networks, security, internet, and IT management, providing comprehensive IT solutions and support |
111 | |||
| 11 | 103 | ||||
| 12 | 103 | ||||
| 13 | 100 | ||||
| 14 |
ISOCEL E.Leclercisocel.leclerc
Specialized IT center providing architecture design, software development, system maintenance, compliance, process optimization, project support, and training for purchasing centers. |
95 | |||
| 15 | 91 | ||||
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 |
Lemissalemissa.com
Lemissa provides flexible and reliable digital solutions to support growth, improve processes, and delight customers through digitization, AI, data processing, and more |
87 | |||
| 17 | 85 | ||||
| 18 |
DocOnegroupediffusionplus.fr
Established in 2015, specializing in multichannel document management for banking, insurance, and social protection clients, providing efficient document processing and secure archiving solutions |
83 | |||
| 19 |
Immersionimmersion.fr
The company specializes in creating immersive and collaborative workspaces using virtual and augmented reality technologies to enhance user experience and innovation |
81 | |||
| 20 |
BeTomorrowbetomorrow.com
A tech and innovation agency with 80 digital experts, specializing in high-stakes projects to create exceptional digital solutions for leading national and international companies |
74 | |||
| 21 |
Groupe PSI Magellanpsi.fr
The company specializes in providing human, technical, and logistical support for IT and digital equipment needs to businesses, governments, and educators They offer workstation engineering, TICE solutions integration, and audiovisual expertise |
74 | |||
| 22 |
Galileegalilee.fr
Specializing in pre-press solutions for the printing industry and various communication fields, offering a wide range of services from design to production |
62 | |||
| 23 | 62 | ||||
| 24 |
PLEIN SUD - Partenaire Technologiquepleinsudgroupe.fr
The company offers a comprehensive range of Telecommunications, IT infrastructure, and assistance services to meet all types of business needs |
52 | |||
| 25 |
Everpingeverping.eu
The company helps startups and SMEs manage their IT infrastructure effortlessly from one platform, offering services like purchasing, setup, security, and support |
48 | |||
| 26 | 46 | ||||
| 27 | 46 | ||||
| 28 |
Fieldboxfieldbox.ai
Fieldbox specializes in building, deploying, and managing digital solutions for industrial operations to ensure reliability and focus on business growth |
45 | |||
| 29 |
ACTUAL Syst猫messtore.actualsystemes.com
Indirect B2B distribution of IT hardware and software nationwide, offering project-based client support and cloud hosting services. |
44 | |||
| 30 |
LOOM CONSULTINGweareloom.fr
LOOM is a Bordeaux-based consulting company specializing in IT/Web project management, now expanding to the Parisian market with a team of 50 skilled consultants |
42 | |||
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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 Nov 11, 2026.
More company lists in the Gironde department
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- Law Practice companies in the Gironde department 81
- Education providers in the Gironde department 80
- Financial services firms in the Gironde department 80
- Real Estate companies in the Gironde department 79
- Business Consulting and Services companies in the Gironde department 77
- Retail companies in the Gironde department 74
- Healthcare providers in the Gironde department 71
- Construction companies in the Gironde department 67
- Higher Education companies in the Gironde department 67
- Advertising Services companies in the Gironde department 65
The same list elsewhere in France
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