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Professional services firms headquartered in Aix-en-Provence

Tamtam tracks 59 professional services firms headquartered in Aix-en-Provence. This list ranks the 30 largest by number of employees on LinkedIn, led by Ortec Group, Sonovision - Ortec Group and Key Performance Consulting (KPC). Their median headcount is 71. Half of them were founded in 2008 or later.

馃嚝馃嚪 Aix-en-Provence30 companiesUpdated Nov 12, 2026

These professional services firms in Aix-en-Provence are predominantly mid-sized to large companies, with a strong focus on IT services, engineering, and environmental solutions. Ortec Group, with 4388 employees, provides multidisciplinary services for industry, energy, and environment. Key Performance Consulting (KPC) offers technology consulting and services for large project integration, while ECP - Project Management .INtelligence specializes in project management consulting for sectors like Oil & Gas and Nuclear. PMSm is a leader in medical assistance for industrial environments.

The data shows a significant concentration of companies founded in the early 2000s, such as REACTIS Group (2001), ARIAL Industries (2001), and Systerel (2001), indicating a period of growth and establishment for professional services in the region. Many of these firms also serve specialized and critical sectors like defense, aerospace, and energy.

#CompanyIndustryHeadquarters EmployeesFounded
1
Ortec Grouportec-group.com

Provides multidisciplinary services for industry, energy, and environment, including maintenance, new works, environmental services, facilities management, logistics, and engineering consulting.

Environmental Services 馃嚝馃嚪 Aix-en-Provence 4,388 n/a
2
Sonovision - Ortec Groupsonovisiongroup.com

Experts process complex systems content, enriching products with innovative solutions throughout their lifecycle, from design to technical content and training for optimized field operations.

Engineering Services 馃嚝馃嚪 Aix-en-Provence 568 n/a
3
Key Performance Consulting (KPC)keyperformance-consulting.com

Global player in upstream and integration phases for systems, offering technology consulting and services for large project integration and business process improvement.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 474 2010
4
ECP - Project Management .INtelligenceassystem.com

Project Management Consulting Group specializing in Oil & Gas, Nuclear, Energy, Defense, Infrastructures, Chemistry, Metallurgy sectors Services include project management, cost estimation, risk management, and more

Business Consulting and Services 馃嚝馃嚪 Aix-en-Provence 287 n/a
5
PMSmpmsm.fr

French leader in medical assistance for industrial and tertiary environments, offering outsourced medical staff, emergency medical services, prevention programs, and biomedical engineering solutions

Medical Practices 馃嚝馃嚪 Aix-en-Provence 282 1994
6
OCEANCALLoceancall.co

OceanCall is an independent and innovative outsourcing company offering flexible, personalized solutions for customer relations and data processing to boost growth and enhance customer interactions

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 272 2004
7
ARKADIA Grouparkadiagroup.fr

ARKADIA Group is an independent engineering and services firm specializing in Energy and Aerospace/Transport sectors, offering expertise in large industrial projects worldwide

Business Consulting and Services 馃嚝馃嚪 Aix-en-Provence 214 2010
8
REACTIS Groupreactis.fr

Company helps businesses with IT projects, software development, systems maintenance, digital transformation, and application services through various flexible intervention modes.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 163 2001
9
ARIAL Industriesarial-industries.com

ARIAL Industries is an engineering company specializing in mechanical, electrical/electronic, and embedded systems for clients in aerospace, nuclear, automotive, and space industries

Engineering Services 馃嚝馃嚪 Aix-en-Provence 141 2001
10
Team-iTteam-it.fr

Specialized in IT infrastructure, cybersecurity, DevOps, cloud, project management, and ITIL process management for large corporate clients.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 135 2014
11
Reel IT Groupereelit.fr

REEL IT Group, founded by digital transformation experts, offers a diverse range of solutions to drive businesses forward through digital transformation

Computer Networking Products 馃嚝馃嚪 Aix-en-Provence 120 2019
12
Amesys Conseilamesys-conseil.fr

Consulting and industrial group specializing in Defense & aerospace, aeronautics, transportation, RF, and homeland security markets with consistent growth and profitability

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 118 1979
13
Systerelsysterel.fr

Systerel specializes in developing innovative solutions for safety critical systems using advanced technologies and rigorous processes for various industries

Software Development 馃嚝馃嚪 Aix-en-Provence 107 2001
14
CS in Defense & Securitycs-soprasteria.com

Leading prime contractor specializing in design, integration, and operation of turnkey systems for critical applications in space, defense, aeronautics, and energy sectors worldwide

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 103 1996
15
Seasonseason-ed.com

Development of agile, Salesforce-based cloud software solutions for higher education institutions focusing on contact and interaction management.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 71 2018

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16
AMS GROUPEams-groupe.com

AMS Group, established in 2008, specializes in operational management in Quality, Safety, Environment, offering systemic and societal managerial support in 5 expertise areas

Business Consulting and Services 馃嚝馃嚪 Aix-en-Provence 65 2008
17
Nova Law Firmnovapartners.net

A specialized law firm in France offering corporate finance, real estate, and restructuring services with a strong international focus and experienced multidisciplinary team

Law Practice 馃嚝馃嚪 Aix-en-Provence 61 2012
18
LAURALBA CONSEILlauralba.net

Support SMEs and large companies with IT expert recruitment and development, focusing on employee desires to ensure mission fit and retention.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 51 1998
19
EXPANSI Avocats & Experts-Comptablesexpansi.fr

A team of accounting, audit, legal professionals offering comprehensive services and advice to businesses, focusing on current entrepreneur needs in a digital, evolving environment

Financial Services 馃嚝馃嚪 Aix-en-Provence 47 2017
20
Sabena Technics ATPaerotechpro.com

AeroTech Pro offers diverse aeronautics services globally, including technical assistance, MRO services, life cycle service, and mission services with highly trained personnel

Aviation and Aerospace Component Manufacturing 馃嚝馃嚪 Aix-en-Provence 43 2010
21
Direct Fleetdirect-fleet.com

Direct Fleet offers independent expertise in vehicle fleet management, including consulting services and delegated fleet management for increased productivity and efficiency

Motor Vehicle Manufacturing 馃嚝馃嚪 Aix-en-Provence 42 2010
22
The Hive Companythe-hive-company.fr

Consulting firm specializing in IT engineering, delivering tailored data, DevOps, SecOps, cloud, and infrastructure solutions with agile, collaborative, and sustainable values.

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 42 n/a
23
acpqualifeacpqualife.com

Acpqualife is an ESN subsidiary of the HPS Group, offering consulting, testing, project management, infrastructure services, training, and software solutions in monetics

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 42 2002
24
SYAGEsyage.fr

The company specializes in IT consulting and services, offering expertise in infrastructure, networks, security, HR management, recruitment, and skills delegation

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 40 2007
25
Numa Avocatsnumaavocats.com

Provides integrated legal, fiscal, and social advice to SMEs, entrepreneurs, and institutions for complex strategic business operations.

Law Practice 馃嚝馃嚪 Aix-en-Provence 37 2019
26
AMDamd-creation.com

With over 20 years of experience, this company in Aix-en-Provence provides expert communication advice to strengthen businesses' image

Advertising Services 馃嚝馃嚪 Aix-en-Provence 37 n/a
27
ALBERTAS NOTAIRESetude-albertas-notaires.fr

Established in 1600 in Aix en Provence, offering notarial services in a historic building with a team specializing in real estate, business, family law, and asset management

Legal Services 馃嚝馃嚪 Aix-en-Provence 36 1600
28
AddixGroupaddixgroup.fr

AddixGroup assists businesses in successful digital transformation with consulting, development, and delegation of skills in IT, data, and cloud services

IT Services and IT Consulting 馃嚝馃嚪 Aix-en-Provence 34 2011
29
DRUJON d'ASTROS & Associ茅sdrujondastros-avocats.com

A multidisciplinary law firm providing comprehensive legal services in various fields including labor law, commercial law, family law, and more

Law Practice 馃嚝馃嚪 Aix-en-Provence 22 n/a
30
NOVALFI | Patrimoinenovalfi.com

A multidisciplinary team of experts providing consulting services to help clients address their specific challenges and overall strategies effectively

Legal Services 馃嚝馃嚪 Aix-en-Provence 22 n/a

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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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