The professional services companies in the Loire department are primarily mid-sized firms, with a notable presence in IT services and consulting, construction, and legal practices. HEF Groupe, founded in 1953, stands out as a global leader in surface materials engineering, while Sudeco Property Management specializes in retail asset management. VALUE IT provides IT and telecom solutions, and CJA Avocats focuses on business law.
Many of these firms are headquartered in Saint-Étienne, indicating a concentration of professional services in the city. For example, DSI - Diagnostic Structure et Ingénierie specializes in structural diagnostics, and EFFITEL conducts market research and surveys. The founding dates show a mix of established companies and those founded in the 2000s and 2010s.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
HEF Groupehef.group
A global leader in surface materials engineering with a focus on tribology and photonics, driving innovation in various sectors worldwide |
484 | |||
| 2 |
Sudeco Property Managementca-immobilier.fr
Expertise in retail asset management, offering comprehensive real estate services for commercial and logistics properties with strong territorial network. |
83 | |||
| 3 |
VALUE ITvalue-info.fr
Supplier and integrator of IT and telecom solutions supporting SMEs with infrastructure, security, cloud, managed services, and collaboration. |
71 | |||
| 4 |
Ynov'iT Groupeynit.fr
The company supports clients in implementing best printing and document management practices within their organizations on a daily basis |
51 | |||
| 5 |
Adage - Géomètres-Expertsadage.pro
A team of 44 professionals, including 3 land surveyors, providing expertise in Auvergne Rhône Alpes and Bourgogne regions for various surveying missions |
38 | |||
| 6 |
CJA Avocatscja.fr
A leading independent law firm specializing in Business Law, with expertise in Corporate Law, Mergers & Acquisitions, Tax Law, and more Partnered with LEXTEAM network |
33 | |||
| 7 |
DSI - Diagnostic Structure et Ingénieriedsi-bet.fr
Specialized in structural diagnostics of concrete, metal, and wood structures for building and civil engineering projects, assisting stakeholders in rehabilitation and maintenance |
29 | |||
| 8 |
EFFITELinstitut-ensome.com
Specialists in study and survey consulting, conducting surveys through various methods, and providing statistical analysis of study and survey data |
28 | |||
| 9 |
FlexyCallflexycall.fr
The company specializes in optimizing customer relations for businesses of all sizes through a highly efficient multi-channel contact center They also offer insurance brokerage services |
22 | |||
| 10 |
BOST Diagnostics Structuresbost-bds.com
Specialized structural engineering firm offering building assessments, capacity calculations, material testing, and maintenance recommendations to support clients in project development |
21 | |||
| 11 |
Koëhl Assurances et Gestion de Patrimoinekoehl-assurances.fr
Established in 1976, this insurance brokerage firm in France focuses on protecting businesses and personal assets, specializing in servicing SMEs in the Rhône-Alps region |
21 | |||
| 12 |
GBA Energiesgba-energies.com
Expertise in fluid and technical systems, offering project management assistance, design optimization, and construction oversight, integrating economic and planning expertise. |
16 | |||
| 13 |
Cabinet FICHEUX-NEANTcabinet-ficheux-neant.fr
Legal firm providing expertise in commercial, business, competition, and corporate law Offers tailored advice, representation, and assistance nationwide and overseas |
16 | |||
| 14 |
Batna Consultingbatna.fr
Specializing in innovative customer relationship management and business performance solutions, with expertise in integrating web, Oracle, and Microsoft solutions |
12 | |||
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. | |||||
| 15 |
METHEORmetheor.fr
METH&OR is a construction engineering consulting firm specializing in methods, organization, and site management for building and civil engineering projects They offer technical solutions and training |
11 | |||
| 16 |
CERCLHcerclh.com
A management consultancy specializing in healthcare institutions in France, Switzerland, and Belgium, offering services in strategy, digital solutions, benchmarking, and training |
11 | |||
| 17 | 11 | ||||
| 18 |
PREVH GROUPprevh-group.fr
Located in Andrézieux-Bouthéon, PrevH-Group provides mandatory health and safety training, with three entities offering complementary services in training and administration |
11 | |||
| 19 | 10 | ||||
| 20 |
Paralexavocats-paralex.fr
PARALEX Avocats is a versatile law firm providing legal services in France, specializing in various areas of law such as public, family, social, responsibility, and driving permits |
8 | |||
| 21 |
ANTHEIA CONSEILantheia.fr
ANTHEIA CONSEIL provides assistance to businesses and employers in labor relations, social security law, and training, with a focus on prevention and conflict resolution |
7 | |||
| 22 |
ENVIRONNEMENT DROIT PUBLIC
A law firm specializing in environmental and public law, serving clients in real estate, public procurement, and human resources for responsible project management |
6 | |||
| 23 |
Exaltan RHpattersonsoft.com
A specialized recruitment firm offering tailored solutions to find top talent in various industries, aiming to be your long-term recruitment partner |
6 | |||
| 24 |
iQuandAiquanda.com
Helps businesses build strong and collaborative relationships with their customers, turning them into valuable strategic partners |
5 | |||
| 25 |
CB COMPTABILITE - Eric Delolme expert-comptablecb-comptabilite.fr
A firm providing accounting expertise and services to various businesses, with a personalized approach and a focus on client satisfaction and support |
3 | |||
| 26 |
CIDER Engineering - Déconstruire pour demainciderengineering.com
Engineering center specializing in technical studies, strategic deconstruction, hazardous substance mapping, and recycling of complex heavy equipment materials. |
3 | |||
| 27 |
DIVISION 70division70.com
A management consulting company located in Saint Etienne, France, providing services in Division 70 |
3 | |||
| 28 |
EDRATEC SOLUTIONSedratecsolutions.com
Specializing in custom-made fireproof, thermal and acoustic insulation solutions for industries and construction Provides consulting services on high-value materials and processes |
2 | |||
| 29 |
Activision-Conseilactivision-conseil.com
A training and consulting organization in the Auvergne Rhône Alpes region, specializing in improving skills in quality, project management, and procurement |
1 | |||
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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 Loire department
- The largest companies in the Loire department 632
- Manufacturers in the Loire department 122
- Companies with in-house R&D in the Loire department 101
- Hardware manufacturers in the Loire department 71
- Multinational companies in the Loire department 66
- Contract manufacturers in the Loire department 49
- Retail chains in the Loire department 49
- Family-owned companies in the Loire department 43
- Industrial Machinery Manufacturing companies in the Loire department 39
- Public sector organisations in the Loire department 39
- Distributors and wholesalers in the Loire department 31
- Aerospace and defence companies in the Loire department 26
- Food and Beverage Manufacturing companies in the Loire department 25
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