The companies listed are primarily IT services and software development firms located in the Bas-Rhin department. They range from large subsidiaries like Euro Information Developpements, an IT arm of a bank-insurance group, to mid-sized companies such as Technology & Strategy, which offers engineering and digital consulting, and Athéo Ingénierie, focused on infrastructure engineering. Other notable firms include ACESI, specializing in IT process improvement, and Talent Business Solutions, a Microsoft solutions integrator.
Most of these companies are headquartered in Strasbourg, indicating a concentration of IT expertise in the city. A significant number of the listed firms were founded in the 2010s, suggesting a relatively recent growth in the IT sector in this region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Euro Information Developpements / EIDe-i.com
IT subsidiary of a bank-insurance group, designing, building, maintaining, and operating an information system unit for affiliated banks with 2300 employees across various locations |
3,624 | |||
| 2 |
Technology & Strategytands.com
Provides engineering, digital, and consulting services, developing innovative projects for industrial, automotive, and financial sectors with a focus on human values and global presence. |
2,370 | |||
| 3 |
Athéo Ingénierieatheo.net
Provides infrastructure engineering services with a diverse team of architects, engineers, and technicians skilled in construction and software tools. |
163 | |||
| 4 |
ACESIace-si.com
Specialized consulting firm focusing on improving IT processes through best practice frameworks like ITIL, PMI, and COBIT, ensuring excellence and efficiency |
122 | |||
| 5 |
Talent Business Solutionstalent-bs.com
Talent Business Solutions is a Microsoft solutions integrator specializing in ERP, CRM, document management, Office 365, Business Intelligence, IoT, and mobility projects |
122 | |||
| 6 |
Actinvisionactinvision.com
Provides data analysis, visualization, and advanced analytics solutions, enabling data-driven culture and strategies for organizations, serving over 300 customers. |
111 | |||
| 7 | 105 | ||||
| 8 | 100 | ||||
| 9 |
Kardham Digitalkardham-digital.com
Specializes in digital services dedicated to human experiences and journeys within the building and construction industry in France. |
90 | |||
| 10 |
Quonex Alsatelquonex.fr
Quonex Alsatel designs and integrates tailored software and hardware solutions for operators, voice/data, security, and specific applications, providing comprehensive services for businesses |
89 | |||
| 11 |
Synovo Groupsynovo-group.com
A digital services and software publishing company specializing in healthcare transport, offering a range of products and services including hosting, IT support, and software solutions |
87 | |||
| 12 |
HARA Consultinghara-consulting.com
Provides audit, consulting, and IT engineering services, supporting businesses and institutions with technology projects, focusing on expertise in transformation, AI, data, tech, infrastructure, and cybersecurity. |
86 | |||
| 13 | 56 | ||||
| 14 |
OCI RendezNousMeilleursoci-rendeznousmeilleurs.fr
OCI Group is a full-service IT and digital company in France, focusing on cloud, cybersecurity, networking, and more, prioritizing personal growth and authenticity |
55 | |||
| 15 | 47 | ||||
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 |
YggValyggval.com
YggVal specializes in product validation for both hardware and software companies, offering testing services, quality control processes, and project management in various engineering fields |
46 | |||
| 17 |
ITS Futureits-future.com
The company develops client applications through outsourcing, addressing new needs, system revamps, project takeovers, mentoring, and startup development |
43 | |||
| 18 |
AGILIA TECHNOLOGYagilia-technology.com
Digital Services Enterprise near Strasbourg, guiding talents to satisfy clients Leading digital services provider, helping clients with technology challenges, successful digital experiences, and transformation projects |
43 | |||
| 19 |
Eastelsoneastelson.com
An IT consulting firm specialized in providing high-quality services in information systems, focusing on talent, expertise, and collaborative approach for success |
42 | |||
| 20 |
Actencyactency.fr
Actency accelerates digital solutions globally, specializing in Drupal With 200+ experts, they offer web development, ERP, CRM, digital consulting, and training services |
41 | |||
| 21 |
SOLU-TECHsolu-tech.fr
We are a team specializing in high-tech solutions for production needs, offering automation, industrial IT, robotics, and more for improved manufacturing success |
41 | |||
| 22 | 41 | ||||
| 23 | 40 | ||||
| 24 |
Reboot Conseilreboot-conseil.com
A unique consulting company focused on IT, new technologies, and engineering, with a culture centered on self-governance, authenticity, and evolving purpose Offering HR services, training, and product development |
40 | |||
| 25 |
Ati4 Groupati4group.com
Specialized e-commerce agency providing strategic consulting, UX/UI design, SEO, and technical development for B2B and B2C projects using Adobe Commerce and Akeneo PIM. |
38 | |||
| 26 |
Agora Calycéagoracalyce.com
Specialized in custom private cloud hosting, cost-effective strategies, ISO-certified security, complex project management, and 24/7 cloud environment operations. |
36 | |||
| 27 |
Air Cloudair-cloud.fr
Support and guidance for deploying Microsoft cloud applications, user training, security control, budget management, and infrastructure optimization for businesses. |
35 | |||
| 28 |
Blackbird Agencyblack.bird.eu
Consultancy specializing in e-commerce strategies, Magento expertise, digital project partnership, business intelligence, training, and innovative Magento 2 extensions development. |
34 | |||
| 29 |
SHARKHANsharkhan.fr
Specializing in IT services in Eastern France, we offer internet access, IP telephony, managed services, website creation, and sale/integration of IT hardware |
33 | |||
| 30 |
MATAmata-conseil.fr
Established in 1989, the company offers finance and management services with a strong focus on user needs, international deployments, and high-level certifications |
32 | |||
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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 Bas-Rhin department
- The largest companies in the Bas-Rhin department 1,381
- Multinational companies in the Bas-Rhin department 185
- Companies with in-house R&D in the Bas-Rhin department 154
- Retail chains in the Bas-Rhin department 130
- Manufacturers in the Bas-Rhin department 118
- Family-owned companies in the Bas-Rhin department 94
- Professional services firms in the Bas-Rhin department 87
- Hardware manufacturers in the Bas-Rhin department 81
- Distributors and wholesalers in the Bas-Rhin department 80
- Public sector organisations in the Bas-Rhin department 70
- IT Services and IT Consulting companies in the Bas-Rhin department 61
- Retail companies in the Bas-Rhin department 53
- Software Development companies in the Bas-Rhin department 50
- Construction companies in the Bas-Rhin department 49
- Wholesale companies in the Bas-Rhin department 48
- Food and Beverage Manufacturing companies in the Bas-Rhin department 47
- Education providers in the Bas-Rhin department 45
- Consumer goods companies in the Bas-Rhin department 44
- Higher Education companies in the Bas-Rhin department 44
- Consulting firms in the Bas-Rhin department 43
- SaaS companies in the Bas-Rhin department 43
- Critical infrastructure operators in the Bas-Rhin department 40
- Healthcare providers in the Bas-Rhin department 40
- Accounting companies in the Bas-Rhin department 40
The same list elsewhere in France
- IT services companies in France 5,000
- IT services companies in Île-de-France 2,624
- IT services companies in the Hauts-de-Seine department 737
- IT services companies in Auvergne-Rhône-Alpes 519
- IT services companies in the Rhône department 286
- IT services companies in Occitanie 280
- IT services companies in Provence-Alpes-Côte d'Azur 268
- IT services companies in Grand Est 248
- IT services companies in Hauts-de-France 236
- IT services companies in Pays de la Loire 205
- IT services companies in Nouvelle-Aquitaine 194
- IT services companies in the Nord department 170
- IT services companies in the Haute-Garonne department 158
- IT services companies in the Bouches-du-Rhône department 155
- IT services companies in the Loire-Atlantique department 130
- IT services companies in the Yvelines department 121
- IT services companies in Brittany 113
- IT services companies in the Val-de-Marne department 101
- IT services companies in the Gironde department 99
- IT services companies in Paris 1,386
- IT services companies in Lyon 171
- IT services companies in Boulogne-Billancourt 125
- IT services companies in Toulouse 119
- IT services companies in Levallois-Perret 94