The engineering consulting industry in France thrives on innovation and problem-solving. Companies here tackle projects in sectors like infrastructure, energy, and environment, offering services ranging from technical consulting to project management. With rising interest in sustainability and digital transformation, these firms adapt, focusing more on environmentally friendly practices and solutions that meet modern complexities. As urbanization increases and technology evolves, engineering consultants strive to stay ahead, embracing cutting-edge tools to enhance their service offerings and respond effectively to market demands. The industry’s growth is underscored by a commitment to resilience and adaptability, essential for addressing future challenges.


The companies on this list represent a cross-section of the engineering consulting field in France. They vary in size, from small firms with just a handful of employees to large organizations boasting thousands of personnel. Most are headquartered in the Île-de-France region, such as Paris and Saint-Ouen-Sur-Seine, with several founded in the mid-twentieth century. Specializations range from infrastructure development to sustainable energy solutions, highlighting each firm’s specific focus. This compilation reveals how these companies are steering projects in various sectors while emphasizing innovation and responsible practices in engineering.


Continue reading to explore the top engineering consulting companies in France.


Top 20 Engineering Consulting Companies Companies in France


1. Artelia

  • Website: arteliagroup.com
  • Ownership type: Private
  • Headquarters: Saint-Ouen-Sur-Seine, Île-De-France, France
  • Employee distribution: France 83%, Denmark 2%, Other 14%
  • Founded year: 2010
  • Headcount: 5001-10000
  • LinkedIn: artelia-group

Artelia is a consulting and engineering firm based in Saint-Ouen-Sur-Seine, Île-De-France, France, founded in 2010. With a workforce of over 7,400 employees, the company provides project management and technical expertise across various sectors, including mobility, water, energy, and buildings. Artelia assists businesses and organizations in navigating complex projects while ensuring compliance with environmental standards. They are actively involved in addressing societal challenges such as climate change and sustainable resource use. Their services range from consulting and feasibility studies to construction management and asset management. Artelia operates in more than 40 countries, showcasing their global reach and commitment to supporting clients throughout the lifecycle of their projects.


2. Egis

  • Website: egis-group.com
  • Ownership type: Private
  • Headquarters: Saint Quentin, Île-De-France, France
  • Employee distribution: France 43%, Saudi Arabia 9%, India 8%, Other 40%
  • Founded year: 1949
  • Headcount: 10001+
  • LinkedIn: egis

Egis is a consulting and engineering firm based in Saint Quentin, Île-De-France, France, with a workforce of over 12,900 employees. Established in 1949, the company specializes in infrastructure and environmental projects, offering services that span design, project management, and sustainability consulting. With operations in more than 100 countries, Egis collaborates with both public and private sector clients to create sustainable solutions for urban development and transport infrastructure. Their portfolio includes notable projects such as the management of Paris-Beauvais airport and the engineering consultancy for the Dubai Exhibition Centre Expansion. Egis is also committed to sustainability, aiming for carbon neutrality by 2050 and integrating eco-design principles into their projects. Their global presence and focus on innovative, sustainable practices position them as a significant player in the engineering consulting industry.


3. setec

  • Website: setec.fr
  • Ownership type: Private
  • Headquarters: Paris, Île-De-France, France
  • Employee distribution: France 56%, Tunisia 14%, Saudi Arabia 7%, Other 23%
  • Founded year: 1957
  • Headcount: 1001-5000
  • LinkedIn: setec

setec is a French engineering firm based in Paris, founded in 1957. With a workforce of approximately 1,584 employees, the company provides a wide array of consulting and project management services across multiple sectors. These include urban transport, renewable energy, and environmental solutions. setec's expertise allows it to assist both public and private organizations in navigating the complexities of infrastructure development and sustainability challenges. The firm is involved in various projects, from port and airport activities to renewable energy initiatives and urban transport systems. Their commitment to eco-construction and sustainable practices reflects a proactive approach to contemporary engineering challenges. setec also emphasizes the importance of innovation and ethical practices in its operations, further solidifying its role in the engineering consulting industry.


4. SEGULA Technologies

  • Website: segulatechnologies.com
  • Ownership type: Private
  • Headquarters: Nanterre, Île-De-France, France
  • Employee distribution: France 35%, Spain 10%, India 9%, Other 46%
  • Founded year: 1985
  • Headcount: 10001+
  • LinkedIn: segula-technologies

SEGULA Technologies, founded in 1985 and headquartered in Nanterre, Île-De-France, France, is a prominent engineering company specializing in innovative solutions across various sectors. With a workforce of over 11,000 employees, SEGULA operates in key industries such as automotive, aerospace, energy, and life sciences. The company offers a comprehensive range of services, including engineering, research and development, and project management, aimed at helping clients navigate technical challenges and enhance operational efficiency. SEGULA's global footprint includes offices in multiple countries, allowing them to collaborate with major industry players and drive technological advancements. Their commitment to innovation is evident through their extensive research initiatives and partnerships with startups and laboratories, positioning them as a significant contributor to the future of engineering.


5. Ingérop

  • Website: ingerop.fr
  • Ownership type: Private
  • Headquarters: Rueil-Malmaison, Île-De-France, France
  • Employee distribution: France 90%, Spain 2%, Other 8%
  • Founded year: 1992
  • Headcount: 1001-5000
  • LinkedIn: ingerop

Ingérop is an engineering and consulting firm based in Rueil-Malmaison, Île-De-France, France, founded in 1992. The company specializes in sustainable mobility, energy transition, and enhancing quality of life through its services. Ingérop offers a comprehensive suite of solutions, including project management, technical audits, and architectural design, primarily catering to both public and private sector clients in the construction, infrastructure, and energy industries. With a workforce of approximately 2,085 employees, the company emphasizes innovative approaches that align with environmental standards and project efficiency. Ingérop is also actively involved in research and development, focusing on ecological practices and digital advancements. Their recent acquisition of EVECTRA, a Spanish engineering firm specializing in electric mobility, highlights their commitment to expanding their expertise and service offerings in the evolving energy landscape. Ingérop's projects span various domains, including building, water, energy, industry, infrastructure, transport, and urban development, showcasing their multifaceted capabilities in the engineering sector.


6. Ginger

  • Website: groupeginger.com
  • Ownership type: Private Equity
  • Headquarters: Issy-Les-Moulineaux, Île-De-France, France
  • Employee distribution: France 96%, Other 4%
  • Latest funding: July 2021
  • Founded year: 1933
  • Headcount: 1001-5000
  • LinkedIn: groupeginger

Ginger, founded in 1933 and based in Issy-Les-Moulineaux, Île-De-France, is an engineering firm that provides comprehensive solutions in construction, environmental management, and development assistance. With approximately 1,677 employees, the company operates primarily in France, but also has a presence in several international markets. Ginger's services span various sectors, including infrastructure, climate, energy, and agriculture, reflecting their broad expertise. They focus on delivering safe and sustainable solutions for both simple and complex projects, catering to a wide range of clients from public institutions to private enterprises. The firm emphasizes its commitment to corporate social responsibility and innovation, aiming to address pressing global challenges such as climate change and resource management. Ginger's various subsidiaries, such as Ginger CEBTP and Ginger SOFRECO, enhance their capabilities in specialized areas like geotechnics and international development, further solidifying their role in the engineering consulting industry.


7. Louis Berger International


Louis Berger International, founded in 1953 and based in Boulogne-Billancourt, France, is a private consulting firm that offers expert advisory services in engineering and environmental solutions. The company operates in various sectors, including aviation, infrastructure, power, and environmental management. With a workforce of approximately 310 employees, predominantly located in India, Louis Berger International serves both government agencies and private sector clients. Their expertise helps clients navigate complex projects, ensuring compliance with sustainability standards and effective project execution. As part of the WSP group, they benefit from a broader network and resources, enhancing their capabilities in delivering comprehensive consulting services.


8. Systra

  • Website: systra.com
  • Ownership type: Private
  • Headquarters: Paris, Île-De-France, France
  • Employee distribution: France 37%, India 18%, Egypt 8%, Other 37%
  • Founded year: 1992
  • Headcount: 10001+
  • LinkedIn: systra

Systra, founded in 1992 and headquartered in Paris, France, is an engineering firm that specializes in public transport and mobility solutions. With a workforce of over 10,000 employees, Systra provides a comprehensive range of services, including planning, design, project management, and digital engineering for urban transit and infrastructure projects. The company has a notable presence in various countries, including France, India, and Egypt, and has been involved in nearly one metro line in two worldwide. Their client base primarily consists of public authorities and transport operators, focusing on enhancing transportation systems and promoting sustainable mobility. Systra's projects cover a wide array of transport modes, from high-speed rail to innovative micro-mobility solutions, reflecting their adaptability and expertise in the field.


9. Igrec Ingenierie

  • Website: y-ingenierie.com
  • Ownership type: Private
  • Headquarters: Paris, Île-De-France, France
  • Employee distribution: France 97%, United States (USA) 3%
  • Founded year: 1958
  • Headcount: 51-200
  • LinkedIn: igrec-ingenierie

Igrec Ingenierie, founded in 1958, is a Paris-based engineering consultancy that provides a wide array of engineering and project management services. The firm operates primarily in the construction and development sectors, emphasizing sustainable practices and adherence to environmental standards. With a team of approximately 68 professionals, Igrec Ingenierie offers expertise in civil engineering, mechanical and electrical engineering, and sustainable development consulting. The company has successfully managed numerous projects, showcasing its capability in handling complex engineering challenges. Their commitment to sustainability is evident in their approach to project management, where they prioritize environmental quality and energy efficiency. Igrec Ingenierie is also recognized for its involvement in international projects, further enhancing its profile in the engineering consulting industry.


10. Tpf Ingenierie

  • Website: tpf-i.fr
  • Ownership type: Private
  • Headquarters: Marseille, Provence-Alpes-Côte D'Azur, France
  • Employee distribution: France 87%, Tunisia 6%, Other 7%
  • Founded year: 1957
  • Headcount: 201-500
  • LinkedIn: tpf-ingenierie

TPF Ingenierie, based in Marseille, France, is an engineering firm that specializes in building, infrastructure, and environmental services. Established in 1957, the company has built a reputation for providing comprehensive consulting and project management services to both public and private sector clients. With a workforce of around 454 employees, TPF Ingenierie operates primarily in France, while also maintaining a presence in Tunisia and other countries. The firm emphasizes a co-creative approach to engineering, fostering collaboration among project stakeholders, including architects and urban planners. This collaborative spirit is aimed at addressing complex engineering challenges while promoting sustainability and innovation. TPF Ingenierie has been involved in notable projects, such as the rehabilitation of the ESCP Business School in Paris and the construction of a new hospital in Tours, showcasing their capability to manage large-scale and impactful projects. Their commitment to integrating environmental considerations into their work reflects a growing trend in the industry towards sustainable development.


11. EBI - a company Egis Group

  • Website: egis.fr
  • Ownership type: Private
  • Headquarters: Pierrefitte-Sur-Sauldre, Centre-Val De Loire, France
  • Founded year: 1986
  • Headcount: 11-50
  • LinkedIn: egis-ebi

EBI - a company of Egis Group, founded in 1986, operates from Pierrefitte-Sur-Sauldre, France. This private firm employs around 27 professionals and focuses on consulting and engineering services primarily in infrastructure development and management. EBI offers a comprehensive suite of services that includes consultancy, design, project management, and urban services. Their expertise spans various sectors, notably transportation and public services, where they assist clients in navigating complex projects. EBI emphasizes sustainability and innovation, which are critical in addressing contemporary challenges in infrastructure. Their commitment to creating smart, sustainable solutions positions them as a significant player in the engineering consulting field, contributing to projects that aim for resilience and environmental responsibility.


12. Tisea

  • Website: tisea.fr
  • Ownership type: Private
  • Headquarters: La Garenne-Colombes, Île-De-France, France
  • Employee distribution: France 100%
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn: tisea

Tisea, founded in 2010 and based in La Garenne-Colombes, Île-De-France, is an engineering consulting firm that provides technical assistance and project management services. The company operates primarily in France and serves a range of sectors, including energy, automotive, construction, and railways. Tisea collaborates with both large corporations and mid-sized enterprises, helping them improve project execution and adhere to industry standards. Their services cover all phases of engineering projects, from conception to implementation, and they offer tailored solutions to meet specific client needs. Tisea is also certified ISO 9001 V2015, which underscores their commitment to quality and performance in their operations. The firm emphasizes a client-centric approach, ensuring that their services are adapted to the unique requirements of each project.


13. Cabinet JAILLET-ROUBY Ingénieurs-Conseils

  • Website: jaillet-rouby.fr
  • Ownership type: Private
  • Headquarters: Pierrefitte-Sur-Sauldre, Centre-Val De Loire, France
  • Employee distribution: France 100%
  • Founded year: 1961
  • Headcount: 11-50
  • LinkedIn: cabinet-jaillet-rouby

Cabinet JAILLET-ROUBY Ingénieurs-Conseils, founded in 1961, is an engineering consulting firm based in Pierrefitte-Sur-Sauldre, France. With a team of approximately 22 employees, the company specializes in the design and study of complex structures. They provide technical studies and consulting services across various sectors, including aerospace, public infrastructure, and energy. Over the years, they have successfully completed more than 2000 projects, demonstrating their capability in handling intricate engineering challenges. Their portfolio features significant projects such as the Paris La Défense Arena and the EPR Flamanville, highlighting their involvement in high-profile infrastructure and industrial initiatives. The firm is committed to values such as responsibility, adaptability, and transparency, which guide their operations and client interactions.


14. Groupe OTE

  • Website: ote-ingenierie.com
  • Ownership type: Private
  • Headquarters: Illkirch-Graffenstaden, Grand Est, France
  • Employee distribution: France 100%
  • Founded year: 1962
  • Headcount: 201-500
  • LinkedIn: ote-ingenierie

Groupe OTE, based in Illkirch-Graffenstaden, Grand Est, France, is a private engineering and construction firm that has been operational since 1962. With a workforce of approximately 317 employees, the company specializes in multidisciplinary project management and technical consulting. They cater to a variety of sectors, including healthcare, education, and commercial development, providing services such as construction economics, technical direction, and sustainable development. Their expertise ensures that projects are executed efficiently while adhering to regulatory standards. Groupe OTE is involved in numerous projects each year, showcasing their capability to manage complex undertakings. Their commitment to innovation and sustainability is evident in their approach to project management, making them a notable player in the engineering consulting industry.


15. GNAT Ingénierie

  • Website: gnat.fr
  • Ownership type: Private
  • Headquarters: Reims, Grand Est, France
  • Employee distribution: France 100%
  • Founded year: 1972
  • Headcount: 51-200
  • LinkedIn: gnat-ing%c3%a9nierie

GNAT Ingénierie, based in Reims, Grand Est, France, is a private engineering and project management firm that has been operational since 1972. With a workforce of approximately 104 employees, the company specializes in a broad spectrum of services, including general engineering, project management, and environmental consulting. GNAT Ingénierie serves a variety of industries, notably aerospace, automotive, and food processing, helping clients navigate complex projects with efficiency and expertise. The firm prides itself on its commitment to quality, sustainability, and client partnership, which has allowed it to maintain long-term relationships with its clientele. Their project portfolio includes significant contributions to industrial and infrastructure projects, showcasing their capability to handle diverse engineering challenges. GNAT Ingénierie has also expanded its geographical footprint with agencies in Lens and Champs-sur-Marne, ensuring they remain close to their clients and responsive to their needs.


16. Ikos Group

  • Website: ikosconsulting.com
  • Ownership type: Private Equity
  • Headquarters: Levallois-Perret, Île-De-France, France
  • Employee distribution: France 71%, Italy 4%, Germany 4%, Other 20%
  • Latest funding: October 2018
  • Founded year: 2005
  • Headcount: 1001-5000
  • LinkedIn: ikos-consulting

Ikos Group, established in 2005 and headquartered in Levallois-Perret, France, is an engineering consulting firm that specializes in the railway and energy sectors. With a workforce of over 1,000 employees, the company provides a range of services including technical expertise, project management, and innovative solutions tailored to meet the specific needs of its clients. Ikos Group is dedicated to enhancing project performance and sustainability, which is increasingly important in today's engineering landscape. The firm operates in multiple countries, including France, Italy, Germany, and the United States, showcasing its international presence. Ikos Group also emphasizes innovation through its IKOS Lab, where it engages in research and development projects aimed at advancing technology and practices within its sectors. Their involvement in significant projects, such as the New York Metro, highlights their capability and expertise in managing complex engineering challenges.


17. Bee Engineering

  • Website: bee-eng.com
  • Ownership type: Private
  • Headquarters: Boulogne-Billancourt, Île-De-France, France
  • Employee distribution: France 97%, Portugal 2%
  • Founded year: 2010
  • Headcount: 501-1000
  • LinkedIn: bee-engineering

Bee Engineering, established in 2010 and based in Boulogne-Billancourt, France, is an engineering firm that specializes in the energy, infrastructure, and transportation sectors. With a workforce of approximately 890 employees, the company operates across multiple locations in France, including major cities like Paris, Lyon, and Bordeaux. Bee Engineering provides a range of services including engineering, project management, and consulting, helping clients navigate complex projects and regulatory landscapes. The firm emphasizes quality and environmental responsibility, holding an ISO 9001 certification since 2016, which underscores their commitment to maintaining high standards in their operations. Additionally, Bee Engineering has initiated internal innovation programs, such as BEEnovation, to foster research and development among its consultants, ensuring they remain at the forefront of technological advancements in their fields.


18. OTEIS Conseil & Ingénierie

  • Website: oteis.fr
  • Ownership type: Private
  • Headquarters: Bois-Colombes, Île-De-France, France
  • Employee distribution: France 91%, Reunion 5%, Other 3%
  • Founded year: 2015
  • Headcount: 501-1000
  • LinkedIn: oteis

OTEIS Conseil & Ingénierie is a French independent consulting and engineering firm based in Bois-Colombes, Île-De-France. Established in 2015, OTEIS specializes in various sectors including building, water, environment, and infrastructure. The company prides itself on providing tailored solutions to both public and private sector clients, assisting them throughout the project management and execution phases. With a workforce of approximately 575 employees, OTEIS operates through a network of regional offices across France and overseas territories. The firm emphasizes sustainability and innovation, particularly through its R&D initiatives like OteisLab, which focuses on developing solutions that address environmental and digital challenges in construction. Their commitment to corporate social responsibility (CSR) and green engineering further positions them as a relevant player in the engineering consulting industry.


19. Atlantic Ingénierie


Atlantic Ingénierie, based in Saint-Herblain, France, is an engineering firm that specializes in project management, consulting, and technical studies across various sectors, including Oil & Gas, Nuclear, and Renewable Energies. Established in 2001 by the Hilbert brothers, the company initially focused on supervising construction projects for Gaz de France. Over the years, it has expanded its services to include a wide range of engineering solutions, such as HSE management, construction management, and ecological engineering. With a workforce of approximately 333 employees, Atlantic Ingénierie is dedicated to delivering high-quality services while ensuring compliance with safety regulations. The firm has received several certifications, including ISO 9001:2015 and MASE, which reflect its commitment to quality and safety. Their recent initiatives, such as the ACI Campus for internal training, highlight their focus on continuous improvement and employee development. Atlantic Ingénierie is actively involved in shaping the future of energy and infrastructure in France, making it a significant player in the engineering consulting industry.


20. setec als

  • Website: als.setec.fr
  • Ownership type: Private
  • Headquarters: Fontaines-Sur-Saône, Auvergne-Rhône-Alpes, France
  • Employee distribution: France 100%
  • Founded year: 2007
  • Headcount: 51-200
  • LinkedIn: setec-als

setec als, founded in 2007 and based in Fontaines-Sur-Saône, France, is an engineering firm that specializes in infrastructure and civil engineering. With a workforce of approximately 70 employees, the company provides a range of services including engineering studies, project management, and environmental assessments tailored for large-scale infrastructure projects. Their clientele includes both public and private sector organizations, reflecting their capability to handle complex engineering challenges. setec als is part of the larger setec group, which enhances its expertise and resource availability. The firm is dedicated to delivering innovative and sustainable solutions, and it actively engages in projects that require meticulous planning and execution. Their operations are concentrated in France, where they have established a reputation for quality and reliability in the engineering consulting industry.



Engineering Consulting Companies Insights: Key Companies in France


CompanyHeadquarterSizeFoundedOwnership
ArteliaSaint-Ouen-Sur-Seine, Île-De-France, France5001-100002010Private
EgisSaint Quentin, Île-De-France, France10001+1949Private
setecParis, Île-De-France, France1001-50001957Private
SEGULA TechnologiesNanterre, Île-De-France, France10001+1985Private
IngéropRueil-Malmaison, Île-De-France, France1001-50001992Private
GingerIssy-Les-Moulineaux, Île-De-France, France1001-50001933Private Equity
Louis Berger InternationalBoulogne-Billancourt, Île-De-France, France1001-50001953Private
SystraParis, Île-De-France, France10001+1992Private
Igrec IngenierieParis, Île-De-France, France51-2001958Private
Tpf IngenierieMarseille, Provence-Alpes-Côte D'Azur, France201-5001957Private
EBI - a company Egis GroupPierrefitte-Sur-Sauldre, Centre-Val De Loire, France11-501986Private
TiseaLa Garenne-Colombes, Île-De-France, France51-2002010Private
Cabinet JAILLET-ROUBY Ingénieurs-ConseilsPierrefitte-Sur-Sauldre, Centre-Val De Loire, France11-501961Private
Groupe OTEIllkirch-Graffenstaden, Grand Est, France201-5001962Private
GNAT IngénierieReims, Grand Est, France51-2001972Private
Ikos GroupLevallois-Perret, Île-De-France, France1001-50002005Private Equity
Bee EngineeringBoulogne-Billancourt, Île-De-France, France501-10002010Private
OTEIS Conseil & IngénierieBois-Colombes, Île-De-France, France501-10002015Private
Atlantic IngénierieSaint-Herblain, Pays De La Loire, France201-5002001Private
setec alsFontaines-Sur-Saône, Auvergne-Rhône-Alpes, France51-2002007Private


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