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Top 28 professional services firms in the Haut-Rhin department

Tamtam tracks 28 professional services firms headquartered in the Haut-Rhin department. This list ranks all of them by number of employees on LinkedIn, led by Clemessy, B-Hive Engineering and DER. Their median headcount is 19. Half of them were founded in 2009 or later. The most common headquarters are Mulhouse (13) and Colmar (3).

🇫🇷 Haut-Rhin28 companiesUpdated Nov 12, 2026

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.

#CompanyIndustryHeadquarters EmployeesFounded
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

Automation Machinery Manufacturing 🇫🇷 Mulhouse 2,405 n/a
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.

Business Consulting and Services 🇫🇷 Mulhouse 352 2017
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

Environmental Services 🇫🇷 Saint-Louis 264 n/a
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

IT Services and IT Consulting 🇫🇷 Wettolsheim 205 1987
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.

Accounting 🇫🇷 Colmar 202 1963
6
Hans & associéshans-associes.fr

Independent group with 400+ experts supporting over 9,000 companies across diverse sectors including agriculture, health, construction, and services.

Accounting 🇫🇷 Bollwiller 198 1985
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

Staffing and Recruiting 🇫🇷 Mulhouse 194 1992
8
LCMHlcmh.fr

A digital services provider founded in 2009, offering a range of solutions to meet the digital needs of businesses

IT Services and IT Consulting 🇫🇷 Mulhouse 85 2009
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.

Business Consulting and Services 🇫🇷 Mulhouse 72 2016
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

Business Consulting and Services 🇫🇷 Brunstatt-Didenheim 46 2023
11
Wagner & Associéswagnerassocies.fr

Provides personalized accounting, auditing, legal work, payroll, business creation support, financial forecasting, and management assistance for companies.

Accounting 🇫🇷 Colmar 46 1985
12
ViaSphèreviasphere.fr

A French group offering a wide range of services to individuals and businesses, including home assistance, childcare, maintenance, and technical support

Individual and Family Services 🇫🇷 Mulhouse 46 n/a
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

Insurance 🇫🇷 Mulhouse 26 2000
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.

Accounting 🇫🇷 Mulhouse 19 1996

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15
Nartexnartex.fr

Development of custom mobile and web applications including professional tools, industrial solutions, and connected device apps with specialized native technologies.

Software Development 🇫🇷 Mulhouse 14 2011
16
PROMEA SASpromea.eu

Independent provider of gear transmission consulting, spare parts, technical assistance, inspection, and maintenance services for high-power gear units worldwide.

Mechanical Or Industrial Engineering 🇫🇷 Aspach-Michelbach 14 2015
17
Gexperteam Expertise-Comptablegexperteam.fr

Provides professional accounting, auditing, and consulting services focused on adding value and supporting business financial management and compliance.

Accounting 🇫🇷 Mulhouse 14 2020
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

Advertising Services 🇫🇷 Rouffach 13 2020
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

Business Consulting and Services 🇫🇷 Mulhouse 12 2016
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

Professional Training and Coaching 🇫🇷 Kingersheim 12 1995
21
Dexeris Conseilsdexeris.fr

Providing accounting, payroll, legal support, consulting, audit, and training services to business leaders ensuring compliance and peace of mind.

Accounting 🇫🇷 Thann 11 1975
22
Cabinet LINDEN

Accounting and financial analysis firm specializing in expert consulting services for businesses

Accounting 🇫🇷 Mulhouse 10 1976
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

Accounting 🇫🇷 Sausheim 8 2015
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

Accounting 🇫🇷 Colmar 8 2016
25
FAEC BRECH ET ASSOCIESfaec.fr

An accounting company located in Mulhouse, France, providing financial services to clients in the Grandest region

Accounting 🇫🇷 Mulhouse 7 n/a
26
Adscientisadscientis.com

A world expert in Inverse Chromatography techniques, providing services to innovate, develop, understand, and solve R&D problems for various industries

Research Services 🇫🇷 Wittelsheim 5 2000
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

Business Consulting and Services 🇫🇷 Algolsheim 3 n/a
28
Kawagencykawagency.fr

Specialized in website and e-commerce design, Kawagency creates digital tools to enhance online presence and business operations

Internet Publishing 🇫🇷 Illhaeusern 3 2020

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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 12, 2026.

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