The professional services firms in Haut-Rhin include a mix of established companies and younger firms, spanning various specializations. Clemessy, with 2405 employees, focuses on electrical and mechanical engineering for industrial installations. B-Hive Engineering offers engineering solutions across energy, transport, and IT, while Ricoh Industrie France provides IT services and document management. Accounting is well-represented by firms like GROUPE COFIME and Hans & associés.
A notable pattern is the concentration of companies in Mulhouse, which serves as the headquarters for many of these firms, including Sofitex, a staffing and recruiting specialist, and LCMH, a digital services provider. Other significant locations include Colmar and Saint-Louis. The sector also shows a blend of engineering, IT, and financial expertise, catering to diverse business needs.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Clemessyclemessy.com
Specializing in electrical and mechanical engineering, Clemessy designs, installs, and maintains systems for various industries worldwide, with a strong focus on industrial installations |
2,405 | |||
| 2 |
B-Hive Engineeringb-hive.fr
Offers innovative and effective engineering solutions across diverse sectors including energy, transport, telecom, life sciences, industry, construction, and IT. |
352 | |||
| 3 |
DERgroupe-der.com
Specialized in building control, using infiltrometry and thermography to detect thermal losses, validate RT2012 and BBC labels, working on various projects |
264 | |||
| 4 |
Ricoh Industrie France S.A.Sricoh-thermal.com
A global technology company offering innovative services and technologies in document management, IT services, printing solutions, visual communications, digital cameras, and industrial systems for 80 years |
205 | |||
| 5 |
GROUPE COFIMEhlb-groupecofime.com
Provides comprehensive accounting, auditing, legal, and social expertise alongside strategic business consulting, wealth management, and international development support through a specialized professional network. |
202 | |||
| 6 |
Hans & associéshans-associes.fr
Independent group with 400+ experts supporting over 9,000 companies across diverse sectors including agriculture, health, construction, and services. |
198 | |||
| 7 |
Sofitexsofitex.fr
With over 30 years in HR, this international network specializes in temporary work and permanent placements throughout France, Germany, Switzerland, and Luxembourg |
194 | |||
| 8 | 85 | ||||
| 9 |
EFOR (formerly Altogen)efor-group.com
Engineering and consulting services for pharmaceutical, biotechnology, and medical device companies, supporting startups and established businesses with expert teams. |
72 | |||
| 10 |
MEENTmeent.group
A leading life sciences company providing tailored solutions in engineering, clinical research, R&D, distribution, and access to top scientific and technical experts |
46 | |||
| 11 |
Wagner & Associéswagnerassocies.fr
Provides personalized accounting, auditing, legal work, payroll, business creation support, financial forecasting, and management assistance for companies. |
46 | |||
| 12 |
ViaSphèreviasphere.fr
A French group offering a wide range of services to individuals and businesses, including home assistance, childcare, maintenance, and technical support |
46 | |||
| 13 |
Patrimoine Est Financeastoriafinance.com
A financial solutions company offering personalized wealth management services for individuals and professionals, focusing on insurance, savings, and investment strategies in the Grand-Est region |
26 | |||
| 14 |
Cabinet FOLTZER-FLACH-SCHEER et associéscabinet-ffsa.fr
Support for entrepreneurs and business owners through creation assistance, accounting, social management, auditing, wealth management, and IPO guidance. |
19 | |||
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 | 14 | ||||
| 16 |
PROMEA SASpromea.eu
Independent provider of gear transmission consulting, spare parts, technical assistance, inspection, and maintenance services for high-power gear units worldwide. |
14 | |||
| 17 |
Gexperteam Expertise-Comptablegexperteam.fr
Provides professional accounting, auditing, and consulting services focused on adding value and supporting business financial management and compliance. |
14 | |||
| 18 |
Agence 3ma groupagence.3magroup.com
A creative agency offering impactful communication solutions from strategy to physical and digital creation, driven by client stories for collective success |
13 | |||
| 19 |
EFOR (formerly Mealys)mealys.fr
Specialist in industrial equipment, part of Efor group, providing strategic consulting and engineering services in energy, oil & gas, heavy industries, and manufacturing |
12 | |||
| 20 |
GRP Formationsgrpformations.com
Since 1995, this training organization supports individuals and professionals in developing skills, focusing on industry, logistics, and construction sectors Their expertise includes certifying courses, safety training, leadership development, customized programs, and various services to assist in enhancing skills and promoting safety |
12 | |||
| 21 |
Dexeris Conseilsdexeris.fr
Providing accounting, payroll, legal support, consulting, audit, and training services to business leaders ensuring compliance and peace of mind. |
11 | |||
| 22 |
Cabinet LINDEN
Accounting and financial analysis firm specializing in expert consulting services for businesses |
10 | |||
| 23 |
CABINET MUNCH-TRAENDLINc-mt.fr
The company provides daily support to professional and individual clients in the areas of tax, social, and legal matters in Mulhouse and Altkirch |
8 | |||
| 24 |
DUALYS CONSEIL CENTRE ALSACEdualys.fr
An accounting firm in Central Alsace providing serious and thorough services to clients, focusing on teamwork, human connection, and expertise |
8 | |||
| 25 |
FAEC BRECH ET ASSOCIESfaec.fr
An accounting company located in Mulhouse, France, providing financial services to clients in the Grandest region |
7 | |||
| 26 |
Adscientisadscientis.com
A world expert in Inverse Chromatography techniques, providing services to innovate, develop, understand, and solve R&D problems for various industries |
5 | |||
| 27 |
Dirigeants Conseil Alsacedirigeantsconseilalsace.fr
A collaboration of experts offering consulting, interim management, and training services in various areas such as business development, HR, and quality strategies |
3 | |||
| 28 |
Kawagencykawagency.fr
Specialized in website and e-commerce design, Kawagency creates digital tools to enhance online presence and business operations |
3 | |||
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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 12, 2026.
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- Family-owned companies in the Haut-Rhin department 46
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The same list elsewhere in France
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- Professional services firms in the Hauts-de-Seine department 629
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- 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
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- Professional services firms in Paris 2,241
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- Professional services firms in Marseille 123
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