The Isère department hosts a diverse range of professional services firms, predominantly mid-sized and established companies. The information technology sector is particularly well-represented. For example, Tessi specializes in customer relations and document process management, while HARDIS GROUP provides IT consulting and logistics software. KAIZEN Solutions designs and develops customized software for complex technical systems. Other notable firms include VOUSFINANCER - Groupe ASSU 2000, which focuses on mortgage brokerage, and GENEL, an international biotech company offering expert services for dermo-cosmetic, nutraceutical, and pharmaceutical industries. Work 2000 is a staffing and recruiting firm with a national presence, and Automatique & Industrie delivers automated solutions for industrial and energy sectors.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 3,960 | ||||
| 2 |
HARDIS GROUPhardis-group.com
consulting and IT services company, a Salesforce pure player, and vendor of the Reflex logistics software suite for retail and supply chain transformation. |
1,015 | |||
| 3 |
VOUSFINANCER - Groupe ASSU 2000vousfinancer.com
Specializing in mortgage brokerage, we provide personalized guidance to individuals throughout the loan process, focusing on transparency and finding the best financing solution |
329 | |||
| 4 | 305 | ||||
| 5 |
KAIZEN Solutions (KZS)kaizen-solutions.net
Designs, develops, and maintains customized software solutions for complex and critical technical and industrial systems, from sensor to cloud. |
281 | |||
| 6 |
WORK 2000recrutement.work2000.fr
Established in 1991, this company offers staffing solutions across France with 42 agencies and over 5,000 temporary workers They focus on familial management |
247 | |||
| 7 |
Automatique & Industrieautomatique-industrie.com
Provides automated solutions including SCADA, smart data, AI, energy monitoring, consulting, training, and maintenance for industrial and energy sectors. |
174 | |||
| 8 |
AMEG GROUP Ingénierie Industrielleameg-group.fr
Offers industrial engineering consulting and technical assistance. Expertise in process, mechanical, electrical, and information system engineering across diverse industries. |
157 | |||
| 9 |
STEP UPstepup-conseil.com
Matching hard and soft skills of consultants with technical project requirements, providing on-site assistance, study platforms, service centers, and fixed-price services. |
150 | |||
| 10 |
Europe Qualitéeuropequalite.eu
A leading provider of metrology and calibration services in France, ensuring quality production through accredited services in 9 labs across the country |
124 | |||
| 11 |
BETREC IGbetrec.com
Multidisciplinary engineering firm specializing in building and infrastructure project design, collaborating with owners and architects since 1965. |
121 | |||
| 12 |
Compagnie Fiduciaire Grésivaudanfiduciaire-gresivaudan.com
Provides accounting, auditing, tax, legal, social, and IT consulting services through multiple offices, focusing on client proximity and satisfaction. |
100 | |||
| 13 |
AIRRIAairria.com
Provides IT, IoT, and personnel placement services, offering tailored solutions from consultation, installation to maintenance for various clients in France and Europe. |
98 | |||
| 14 |
Enerdataenerdata.net
An independent research company specializing in energy and climate analysis, offering forecasting, business intelligence, and policy assistance to clients worldwide |
95 | |||
| 15 |
GSF ORION SUDgsf.fr
A subsidiary specializing in hygiene and cleanliness services with a focus on human values, professionalism, and international presence |
94 | |||
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 |
AXE INFORMATIQUEaxeinfo.fr
A company specializing in implementing management software for SMEs, providing IT maintenance services, and deploying infrastructure solutions for 1500 clients |
93 | |||
| 17 |
Probayesprobayes.com
AI expert specializing in Machine Learning, Operational Research, Computer Vision, and NLP Custom AI solutions for various industries Immersive collaboration with clients for tailored solutions |
93 | |||
| 18 |
systhensysthen.com
Provider of document capture and processing solutions, offering scanners, consulting, implementation, maintenance, and support for digital transformation. |
88 | |||
| 19 | 85 | ||||
| 20 | 63 | ||||
| 21 |
Groupe Havanahavana-it.com
Provides IT consulting services focusing on data, cloud, and AI to accelerate clients' digital transformation with innovation and expertise. |
53 | |||
| 22 |
Auphys Technologieauphys.com
Engineering services company specializing in energy networks, industrial design, audits, and training, supporting projects globally from Rhône-Alpes base. |
49 | |||
| 23 |
CERGcerg-fluides.com
Multidisciplinary teams conducting comprehensive fluid mechanics research and testing, covering hydrodynamics, aerodynamics, hydraulics, cavitation, and flow-induced vibrations. |
45 | |||
| 24 |
ACRITECacritec.fr
A company specializing in technical control services for SMEs, industries, and communities, offering inspections and training in various areas such as electricity and safety equipment |
41 | |||
| 25 |
BOASboas-services.fr
A bureau of studies specializing in monitoring and controlling construction projects, including buildings and infrastructure, with a skilled team serving clients nationwide |
40 | |||
| 26 |
Sogilis, Level Up together !sogilis.com
Sogilis is an innovation booster helping companies strengthen their market presence through technology, creating cutting-edge solutions and turning crazy ideas into reality |
39 | |||
| 27 |
Neovisionneovision.fr
An AI expertise company making artificial intelligence accessible through tailored solutions and personalized support for all customers |
39 | |||
| 28 |
Nsigma Junior-Entreprisensigma.fr
Nsigma is a technology-driven Junior-Enterprise specializing in IT solutions, data science, artificial intelligence, web development, and applied mathematics services |
38 | |||
| 29 |
SINEQUANON'sinequanon4.fr
Engineering firm providing construction site management services such as OPC monitoring, SPS coordination, VRD & landscape studies, and asbestos project management |
33 | |||
| 30 |
CIBC Isère Savoiecibc-auvergne-rhone-alpes.fr
The company offers HR consulting services, recruitment, skills assessment, career transition support, and mobility solutions to help individuals and organizations thrive in a rapidly evolving work environment |
32 | |||
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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 Isère department
- The largest companies in the Isère department 1,457
- Companies with in-house R&D in the Isère department 304
- Manufacturers in the Isère department 178
- Multinational companies in the Isère department 174
- Hardware manufacturers in the Isère department 143
- Retail chains in the Isère department 100
- Software Development companies in the Isère department 90
- Public sector organisations in the Isère department 80
- Distributors and wholesalers in the Isère department 78
- IT services companies in the Isère department 75
- SaaS companies in the Isère department 72
- Electronics and semiconductor companies in the Isère department 70
- Contract manufacturers in the Isère department 68
- IT Services and IT Consulting companies in the Isère department 68
- Family-owned companies in the Isère department 61
- Industrial Machinery Manufacturing companies in the Isère department 58
- Consulting firms in the Isère department 57
- Construction companies in the Isère department 52
- Pharmaceutical companies in the Isère department 47
- Education providers in the Isère department 46
- Medical device companies in the Isère department 43
- Critical infrastructure operators in the Isère department 41
- Energy companies in the Isère department 41
- Chemical companies in the Isère department 40
The same list elsewhere in France
- Professional services firms in France 6,611
- Professional services firms in Île-de-France 3,377
- Professional services firms in Auvergne-Rhône-Alpes 711
- Professional services firms in the Hauts-de-Seine department 629
- Professional services firms in Provence-Alpes-Côte d'Azur 433
- Professional services firms in the Rhône department 400
- Professional services firms in Occitanie 399
- Professional services firms in Grand Est 316
- Professional services firms in Nouvelle-Aquitaine 308
- Professional services firms in Hauts-de-France 260
- Professional services firms in Pays de la Loire 254
- Professional services firms in the Bouches-du-Rhône department 249
- Professional services firms in the Haute-Garonne department 208
- Professional services firms in the Nord department 178
- Professional services firms in Brittany 167
- Professional services firms in the Loire-Atlantique department 158
- Professional services firms in the Gironde department 151
- Professional services firms in Normandy 114
- Professional services firms in the Yvelines department 108
- Professional services firms in Paris 2,241
- Professional services firms in Lyon 265
- Professional services firms in Toulouse 139
- Professional services firms in Marseille 123
- Professional services firms in Boulogne-Billancourt 102