The professional services firms in Occitanie include a mix of large established groups and mid-sized companies. Key players include ALTRAD, a global provider of industrial services, and Aubay, which offers IT consulting and modernization of information systems. MIGSO-PCUBED specializes in project and change management, while FAUCHÉ designs and maintains energy solutions. Safran Engineering Services provides engineering for aerospace and ground transport, and ECOCERT Group assists with sustainable practices through certification.
The companies listed show a strong presence in industrial services, IT consulting, and specialized engineering, particularly for the aerospace sector. There is also a notable cluster of firms focused on environmental services and sustainability, reflecting a broader trend towards green initiatives within the professional services landscape of the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ALTRADaltrad.com
Global provider of industrial services and equipment manufacturing, offering high-value solutions across energy, oil & gas, construction, and environmental sectors. |
52,000 | |||
| 2 | 4,160 | ||||
| 3 |
Trescaltrescal.com
Provides precision calibration services, validation, qualification, repair, and metrology training across industries, geographies, and instrument types globally. |
3,987 | |||
| 4 |
MIGSO-PCUBEDmigso-pcubed.com
World's leading consultancy focused on project, program, portfolio, and change management, helping convert big ideas into reality for various industries. |
3,352 | |||
| 5 |
Safran Engineering Servicessafran-group.com
Provides engineering services for aerospace and ground transport industries globally, specializing in electrical, aerostructure, mechanical, production, system, and software development, with a focus on digital transformation. |
2,208 | |||
| 6 |
FAUCHÉfauche.com
Designing, installing, and maintaining custom energy solutions for electricity, automation, industrial processes, and multi-technical maintenance, ensuring safety and competitiveness. |
2,093 | |||
| 7 |
SPIE Industriespie.fr
Support industrial clients with digital transformation and energy transition through design, implementation, and maintenance of energy-efficient installations. |
1,781 | |||
| 8 |
Airbus Protectairbus.com
A subsidiary of Airbus specializing in cybersecurity, safety, and sustainability services, offering advisory, consulting, training, and software solutions for risk management |
1,614 | |||
| 9 |
ECOCERT Groupecocert.com
Assists stakeholders sustainable practices through certification, consulting, training across various sectors including agriculture, cosmetics, textiles, and fair trade. |
1,573 | |||
| 10 |
Temporistemporis-franchise.fr
Founded in 2000, this national franchise network offers temporary work, recruitment services, training, and permanent placements, emphasizing professionalism and expertise in the industry |
1,334 | |||
| 11 |
CIMPA PLM Servicescimpa.com
Deploys Product Lifecycle Management services in aerospace, defense, automotive, transport, energy to increase operational efficiency and performance through processes and methods. |
1,312 | |||
| 12 |
CLINIQUE PASTEUR Toulouseclinique-pasteur.com
Leading French private hospital specializing in cardiology, oncology, and general care, prioritizing patient well-being, ethical practices, and medical innovation through its independent model. |
1,297 | |||
| 13 |
TRIGO Aerospace Defense & Railtrigo-group.com
Multinational company provides operational quality management solutions, including inspection, engineering, and management services, for the manufacturing sector, especially transportation industries. |
984 | |||
| 14 |
Crystalgroupe-crystal.com
Leading independent wealth management advisor, offering private client services, investment solutions for professionals, and digital platforms for independent wealth managers, with national and international reach. |
817 | |||
| 15 |
Inovéainovea-group.com
Provides financial education programs, wealth management solutions, and a national network of auditors and consultants for client satisfaction. |
652 | |||
| 16 | 643 | ||||
| 17 | 643 | ||||
| 18 |
eXcent - Ingénierie Industrielleexcent.fr
Designs and integrates industrial solutions, with expertise in mechanical engineering, serving clients worldwide in sectors including Aeronautics, Energy, Defense, Automotive, and more |
641 | |||
| 19 |
Biotopebiotope.fr
A leading French ecological engineering and nature conservation company with over 240 employees, 25 sites, operations in 40+ countries, and diverse services |
585 | |||
| 20 | 560 | ||||
| 21 |
LATESYS - GROUPE ADFlatesys.com
This company offers global industrial engineering services, including product design, mechanical assembly, and maintenance, assisting clients from specifications to installation in various industrial sectors. |
521 | |||
| 22 |
Urbanisurbanis.fr
A private operator serving the public interest since 1979, specializing in revitalizing private housing in France through studies, advice, urban improvement, and energy transition projects |
520 | |||
| 23 |
Valiantysvaliantys.com
Expert solutions for enterprise and team agility, leveraging Atlassian System of Work for product development, enterprise service management, and cloud transformation. |
516 | |||
| 24 |
BRL Groupebrl.fr
The company is a leading group in France specializing in water and environmental solutions through hydraulic engineering, infrastructure development, and operation services |
511 | |||
| 25 |
Testia, an Airbus Companytestia.com
Specializes in structural integrity and non-destructive testing (NDT), offering inspection equipment, personnel training, consultancy, and engineering services globally for manufacturing and maintenance. |
489 | |||
| 26 |
Surveysurvey-groupe.fr
The Group Survey coordinates a wide range of skills in pipeline industry and transport, ensuring safety and integrity of networks |
478 | |||
| 27 |
SERMA Ingénierieserma-ingenierie.com
Design, production, maintenance, and testing of embedded electronic boards with expertise in aeronautics and safety engineering services. |
460 | |||
| 28 | 420 | ||||
| 29 |
Eurofins CDMO Europeeurofins.com
Provides contract development and manufacturing for APIs, drug substance, and drug product, supporting biopharmaceutical companies with various services from preclinical to clinical milestones. |
397 | |||
| 30 |
Fiscaliafiscaliasolution.fr
It specializes in tax optimization, defiscalization solutions, real estate investment, and financing, providing personalized advice and support for clients. |
382 | |||
| 31 |
GROUPE PARERAgroupe-parera.com
A company specializing in cartography, CAD, GIS, and network management for clients globally, offering various services from mapping to software development |
372 | |||
| 32 |
Groupe D&Sds-groupe.fr
Assists businesses in managing risks, particularly in nuclear environments, offering services such as HSE, asbestos, training, EPVR, studies, and radioprotection. |
367 | |||
| 33 |
Groupe Mauringroupe-maurin.com
Automobile distributor since 1982, operating 135 dealerships with 22 brands, leading foreign brand distributor in France and present in Europe. |
358 | |||
| 34 |
EUROPA GROUPeuropa-group.com
Organizes over 200 professional events worldwide annually, supporting scientific and medical communities with education, publishing, digital, housing, and meeting services. |
345 | |||
| 35 |
PACK Solutionspack-solutions.com
PACK Solutions is a leading company in insurance management and software development, with 350 employees promoting a culture of well-being and teamwork |
337 | |||
| 36 |
SIERsierbla.com
An independent engineering firm specializing in aerospace, energy, and industrial projects, offering full-service solutions including engineering, equipment, and aircraft modifications |
311 | |||
| 37 |
FgHbusiness.site
HR consulting services, specializing in recruitment and support for businesses in their human resources needs |
302 | |||
| 38 |
ECIAgroupe-ecia.com
It specializes in nuclear engineering, focusing on risk management, utilities, and supporting the entire lifecycle of installations. |
277 | |||
| 39 | 266 | ||||
| 40 |
Groupe Jubil RHjubil.fr
Temporary employment agency established in 1996, continually expanding with a focus on human values and local presence |
258 | |||
| 41 | 248 | ||||
| 42 | 246 | ||||
| 43 |
Magelliummagellium.com
French tech company. Digital geography and image processing. Defense, Space, Energy, Environment sectors. Consulting, studies, software development and product distribution. |
231 | |||
| 44 |
EP2Cep2c-group.com
Recruits skilled engineers for international careers, providing project management, engineering support, construction supervision, inspection, and recruitment in various industries. |
226 | |||
| 45 |
EPSYL - ALCEN Groupepsyl-alcen.com
Designing and optimizing systems for industrial sectors, combining multiphysics modeling, simulation, and systems integration expertise, notably in thermal, mechanical, and fluidic domains. |
224 | |||
| 46 | 209 | ||||
| 47 |
Bras Droit des Dirigeantsbrasdroitdesdirigeants.com
Provides part-time externalized executive management services, offering flexible leadership support to businesses without full-time executive commitments. |
207 | |||
| 48 |
WILLINGwilling.fr
A French independent consulting firm specializing in business transformation, strategic advice, operational tactics, and information system management across various sectors |
204 | |||
| 49 | 203 | ||||
| 50 |
HANDIWORKhandiwork.fr
HANDIWORK offers innovative support, training, and integration for individuals with disabilities in mainstream workplaces, emphasizing skill acquisition and employment opportunities |
197 | |||
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. | |||||
| 51 |
Aeroconseilakka-technologies.com
Provider of aeronautical services offering custom assistance to aircraft manufacturers, system suppliers, airlines, maintenance centers, with expertise in program management and modification |
194 | |||
| 52 |
ADEQUATIONadequation.fr
Expert in real estate markets, guiding private and public stakeholders. Offers data intelligence and development consulting for secure investments and operational growth. |
186 | |||
| 53 |
COOPEMPLOIcoop-emploi.fr
Nonprofit cooperative managing temporary replacements and permanent staffing for paramedical and socio-educational personnel in member associations. |
182 | |||
| 54 |
Groupe PSI Sécuritépsisecurite.fr
With 24 years of experience, this company specializes in private security and safety services, offering a comprehensive range to become regional leaders |
181 | |||
| 55 |
MICROTECmicrotec-electronics.fr
Specialized in electronic and mechatronic design, test engineering, prototyping, and industrial wiring for aerospace, automotive, and medical sectors. |
180 | |||
| 56 |
Acelys Services Numériquesacelys.fr
An independent ESN in Montpellier, specializing in software development, business intelligence, dematerialization, cybersecurity, and infrastructure, with a focus on talent development and internal promotion |
175 | |||
| 57 |
GROUPE BETEMbetem.fr
Multidisciplinary engineering firm specializing in building techniques, road and network studies, project management, legal and financial support, and operational maintenance. |
165 | |||
| 58 |
Olifan Groupolifangroup.com
French leader in wealth management, helping individuals and leaders structure, optimize, and transfer assets. Supports with retirement, vulnerability, and investment strategies. |
158 | |||
| 59 |
LabSoftlabsoft.fr
Support for regional and national large accounts and SMEs, covering application development, infrastructure implementation, system integration, and IT security services. |
157 | |||
| 60 |
AXIOME ASSOCIESaxiomeassocies.fr
Regional accounting firm providing auditing, social management, wealth management, taxation, consulting, and IT engineering services to small and medium enterprise directors. |
151 | |||
| 61 |
TRAD, Tests & Radiationstrad.fr
Company offers radiation testing, materials characterization, and software for electronics in space, defense, and nuclear industries, minimizing radiation effects. |
146 | |||
| 62 |
Dalkia Air Solutionsdalkiaairsolutions.fr
Provides solutions for compressed air, nitrogen, and breathable air production, treatment, and networks, focusing on energy performance improvement for industrial and nuclear clients. |
138 | |||
| 63 |
Cerfrance Midi Méditerranéemidi-mediterranee.cerfrance.fr
It is a cooperative network providing accounting and consulting services to various sectors, emphasizing human governance and client success. |
136 | |||
| 64 |
Ça Compte Pour Moicacomptepourmoi.fr
An online accounting firm in France revolutionizing accounting for entrepreneurs with a team of over 90 experts offering personalized support and guidance for business success |
133 | |||
| 65 |
ARCESI-EAarcesi-ea.com
Provides digital infrastructure, application development, and industrial engineering services while employing and supporting people with disabilities across France. |
127 | |||
| 66 |
RH Solutionsrh-solutions.com
Network of local freelance agencies providing expert skills and professional services to businesses, supported by certifications and notable clients. |
125 | |||
| 67 |
Do iT Platiniumdoit-platinium.com
Specializes in aeronautical electrical systems, providing qualified personnel, design and certification of aircraft modifications, and production of electrical harnesses and installation kits. |
124 | |||
| 68 |
ALBOUY CONSULTalbouy-consult.fr
Support entrepreneurs daily with strategic themes central to business growth, focusing on practical development and sustainable success. |
120 | |||
| 69 |
Experts Entreprendreexperts-entreprendre.com
Provides accounting, audit, and due diligence services, along with global optimization advice for managers and entrepreneurs. |
114 | |||
| 70 |
CMT+cmtplus.com
A consulting firm specializing in Controlling and Purchasing, with operations in multiple countries and offering career development opportunities in various languages |
113 | |||
| 71 |
CERFRANCE GARONNE-ET-TARNgaronne-et-tarn.cerfrance.fr
An association supporting local businesses in Tarn and Tarn-et-Garonne with expertise in accounting, legal advice, HR, and strategy, focusing on high-quality client relationships |
110 | |||
| 72 |
Groupe ISIAgroupe-isia.com
This company specializes in responsible digital transformation services, including digital frescoes, web eco-design, accessibility audits, and carbon footprint measurement |
107 | |||
| 73 |
Digit RE groupdigitregroup.com
Administrative and back office functions for real estate brands under LFPI and Artémis, including training and property services. |
106 | |||
| 74 |
MECANO IDmecano-id.fr
Design and manufacture of space structures, science instruments, telecommunication payloads, smallsat subsystems, ground equipment, and mechanical thermal testing services. |
106 | |||
| 75 |
IMS Networksimsnetworks.com
Founded in 1997, IMS Networks helps organizations optimize communication performance and prevent cyberattacks through consulting, network operation, and cybersecurity services ISO 27001 certified Serving various sectors |
103 | |||
| 76 |
Meteo France Internationalmfi.fr
Export meteorological solutions and expertise worldwide, modernize national weather services, provide innovative systems, consultancy, training, and technical support. |
98 | |||
| 77 |
ICA PATRIMOINEicapatrimoine.fr
National wealth creation network offering expert investment advice, tailored financial products, and long-term client support for secure asset growth. |
93 | |||
| 78 |
Eurofins ADME BIOANALYSESeurofins.com
Multinational providing contract research and services to pharmaceutical, biotech, and agrochemical industries, specializing in optimizing discovery and safety of new medicines and compounds |
92 | |||
| 79 |
IPKONEKT (ANCIENNEMENT BUGBUSTERS GROUP)bugbusters.fr
A leading European provider of digital deployment services for IT, Telecoms, digital solutions, and IoT, with a strong focus on customer satisfaction |
92 | |||
| 80 |
DeciVisiondecivision.com
ESN specializing in Business Intelligence with expertise in Analytics, ETL & Data Integration, Data Management, consulting services, training, support, and licensing for BI tools |
89 | |||
| 81 |
Partitiopartitio.com
With over 50 employees and 20 years of experience, the company specializes in digitalization solutions including dematerialization, cloud infrastructure management, and innovative technologies for various industries |
88 | |||
| 82 |
Meca Industriesmeca-industries.com
Provides maintenance, new works, and industrial transfer services across various specialized industrial sectors, nationally and locally. |
88 | |||
| 83 |
CCL CONSULTING.ccl-consulting.fr
Innovative consulting firm specializing in digital transformation through playful and effective solutions, tailored to various industries and focused on productivity and automation |
88 | |||
| 84 |
BGH EXPERTS ET CONSEILSbgh.fr
Provides accounting, auditing, legal, HR, business intelligence, wealth management, social protection, training, and business transfer services across multiple Toulouse locations. |
82 | |||
| 85 |
AgoraVitaagoravita.com
Offers 360-degree digital services, including IT infrastructure, cybersecurity, tailored business solutions, digital communication, and professional training for companies. |
82 | |||
| 86 |
STAT Marinestat-marine.com
A client-focused organization offering technical consultancy, engineering studies, and training services to industries such as offshore oil & gas, marine renewable energies, and offshore terminals |
82 | |||
| 87 |
HEDON TECHNOLOGIEShedontechnologies.com
A young, structured consulting firm in engineering focusing on client performance through innovative solutions in digital/IT, engineering, and operational performance across various industries |
81 | |||
| 88 |
SORECOgroupesoreco.fr
Specialized payroll and HR consulting for the transport sector, focusing on social charge savings, GDPR compliance, and TICPE reimbursement across France. |
81 | |||
| 89 |
Alliance4Ualliance4u.fr
A disruptive digital services company focused on innovation, pushing boundaries, and prioritizing employee well-being to offer promising professional growth |
81 | |||
| 90 | 79 | ||||
| 91 |
FERCHAU Franceferchau.com
Engineering partner specializing in aircraft structures, mechanical design, stress analysis, flight test facilities, embedded systems, and software development for aerospace and defence industries. |
77 | |||
| 92 |
b.workshopbworkshop.com
Provides value-added solutions for organizations, supporting business objectives, enhancing user and management adherence to IT, and empowering IT teams with quality services. |
75 | |||
| 93 |
LPSA - Les Prestataires de Service en Agroalimentairelpsaagro.fr
LPSA provides meat processing services to major players in the industry, specializing in cutting to meet clients' needs efficiently and effectively |
74 | |||
| 94 |
IPANOVAipanova.com
Development of innovative, customized IT solutions with collaborative approach, specializing in digitalization, ERP SAP, data, and web applications. |
73 | |||
| 95 | 72 | ||||
| 96 |
VIGIPHARMvigipharm.fr
Specializing in health monitoring like pharmacovigilance, the company offers strategy development and surveillance services for pharmaceutical labs, founded in 1998 by Caroline Navarre |
72 | |||
| 97 |
ACM Pharmaacmpharma.com
Microbiology analysis laboratory specializing in health products, offering expertise in microbial contamination, sterility testing, bacterial identification, water analysis, and more |
72 | |||
| 98 |
AeroConsultantaeroconsultant.fr
Offers various services and digital products to aircraft lessors, airlines, and MROs, including transition, FAL, CAMO, P2F, maintenance, and digital support. |
72 | |||
| 99 |
COPY SUD [it]copysud.fr
A technology and information company in the South of France offering digital solutions, tailored services, and timely support for businesses and institutions since 1978 |
72 | |||
| 100 | 70 | ||||
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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.
More company lists in Occitanie
- The largest companies in Occitanie 5,767
- Companies with in-house R&D in Occitanie 680
- Retail chains in Occitanie 579
- Multinational companies in Occitanie 532
- Manufacturers in Occitanie 433
- Public sector organisations in Occitanie 317
- SaaS companies in Occitanie 317
- Software Development companies in Occitanie 315
- Hardware manufacturers in Occitanie 291
- IT services companies in Occitanie 280
- Aerospace and defence companies in Occitanie 278
- Family-owned companies in Occitanie 272
- Distributors and wholesalers in Occitanie 262
- IT Services and IT Consulting companies in Occitanie 259
- Consulting firms in Occitanie 236
- Critical infrastructure operators in Occitanie 216
- Real Estate companies in Occitanie 202
- Education providers in Occitanie 201
- Healthcare providers in Occitanie 194
- Retail companies in Occitanie 186
- Business Consulting and Services companies in Occitanie 181
- Accounting companies in Occitanie 174
- Accounting firms in Occitanie 173
- Aviation and Aerospace Component Manufacturing companies in Occitanie 156
The same list elsewhere in France
- Professional services firms in France 6,610
- 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 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 253
- 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 the Ille-et-Vilaine department 94
- 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