NOX Group is a major player in both general and technical engineering and also provides turnkey solutions. We are specialised, amongst other areas, in the tertiary industry, for infrastructure, industry and energy. With 640 employees in 19 agencies located in France and 6 international hubs, the NOX Group offers missions for project management, assisting project management as well as taking on the role of general contractor.

Our know-how will ensure your project will be efficient, making our company reputed as management operator because of the 5 values we insist upon: excellence, commitment, creativity, sharing and challenge. »

Gildas GARREC
CEO of NOX Group

Dates and key figures

The NOX Group is today one of the first leading 10 French groups for service provision in the engineering construction industry, with a strong regional base in France as well as international influence. We took over the “Jacobs France” company in 2016, giving it the name “NOX Industry and Process”, allowing us to speed up our international expansion and to assimilate new expertise (health, pharmacy, chemistry). We always keep to the same objective: Building your future.

We created “ECODIAG”, a technical works study office, first of its kind within the group

First entity of the Group: “Ecodiag engineering” is a works study office specialised in calculating and drawing up plans in the field of thermal engineering and electricity based in Saint-Malo (35).
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We developed a dense regional network

A second set up in Nantes launched the development of the Group at a regional level. Today, NOX has 23 agencies in France.
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First external growth

NOX Group grew yet again thanks to purchasing “Topo Concept” and “d’Icare” in 2005, works study offices and technical engineering. The Group continued to expand even more thanks to taking over “ASTEC” in 2006 and “Cabinet A” an engineering firm in 2008.
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New know-how

The Group has become a major player in managing construction projects thanks to purchasing “CVO France” (delegated project management and help with project management) and “Batika”, a company specialised in managing turn key projects for shop interior layout and design. The Group has also managed to complete its general engineering activity and project management thanks to taking over “CVO2”.
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The Group continues to develop

We took over “Ingédia Engineering” which brought our business to an international level: The Group managed to export itself, setting itself up in Bulgaria, thus making its business activities even more diversified thanks to new skills in Energy and in Infrastructure. We also reinforced our regional network in France.
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“Jacobs France” takeover

Taking over Jacobs France in the Summer of 2016 meant that the Group integrated new skills in the pharmaceutical and health industry with over 600 employees. The NOX Group figured in the list of top ten companies in the French market for engineering and construction.
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We took on the “LBE Fluides” team

The NOX Group took on “LBE fluides” company on the 27th July 2017, a former subsidiary of EDEV (EDF Group), who have now become the NOX agency in Centre-Val de Loire.
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Association and creation of NOX Hispania & LATAM

The NOX Group creates with Spanish partners the Holding NOX Hispania & Latam to develop its Engineering and Keys on Hand (Design & Build) activity in the Iberian Peninsula and Latin America.
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We created “ECODIAG”, a technical works study office, first of its kind within the group

First entity of the Group: “Ecodiag engineering” is a works study office specialised in calculating and drawing up plans in the field of thermal engineering and electricity based in Saint-Malo (35).
+

We developed a dense regional network

A second set up in Nantes launched the development of the Group at a regional level. Today, NOX has 23 agencies in France.
+

First external growth

NOX Group grew yet again thanks to purchasing “Topo Concept” and “d’Icare” in 2005, works study offices and technical engineering. The Group continued to expand even more thanks to taking over “ASTEC” in 2006 and “Cabinet A” an engineering firm in 2008.
+

New know-how

The Group has become a major player in managing construction projects thanks to purchasing “CVO France” (delegated project management and help with project management) and “Batika”, a company specialised in managing turn key projects for shop interior layout and design. The Group has also managed to complete its general engineering activity and project management thanks to taking over “CVO2”.
+

The Group continues to develop

We took over “Ingédia Engineering” which brought our business to an international level: The Group managed to export itself, setting itself up in Bulgaria, thus making its business activities even more diversified thanks to new skills in Energy and in Infrastructure. We also reinforced our regional network in France.
+

“Jacobs France” takeover

Taking over Jacobs France in the Summer of 2016 meant that the Group integrated new skills in the pharmaceutical and health industry with over 600 employees. The NOX Group figured in the list of top ten companies in the French market for engineering and construction.
+

We took on the “LBE Fluides” team

The NOX Group took on “LBE fluides” company on the 27th July 2017, a former subsidiary of EDEV (EDF Group), who have now become the NOX agency in Centre-Val de Loire.
+

Association and creation of NOX Hispania & LATAM

The NOX Group creates with Spanish partners the Holding NOX Hispania & Latam to develop its Engineering and Keys on Hand (Design & Build) activity in the Iberian Peninsula and Latin America.
+

site all

billion Euros for projects designed since 1198
Million Euros in the 2016 turnover
annual average growth
agencies in France
international subsidiaries
clients
employees

Our jobs

The NOX Group provides services in managing construction projects for clients via 2 divisions that work closely together: Engineering and turnkey solutions. We provide a large range of services to help and advise our clients and we put all out expertise into the projects that companies entrust us with.

Our activity areas

The NOX Group have the role of helping with engineering or giving advice on how to steer construction projects. We also help with studies and any technical services required. We are currently developing our expertise in the following sectors:

Our sites

NOX Group is a local player with strong local roots. Our nationally dense network is proof for our clients of our success and reactivity. We have perfect knowledge of the geographical areas in which we work and can thus understand the problems faced by our clients. This enables us to maintain a strong relationship of trust with local partners.

We have 10 flexible and reactive hubs throughout the world, in many different geographical areas. Our employees present on site know the countries inside out and are working to develop our know-how. They have created a rapid-response capability in Europe, in America as well as in Asia. In this 2017 we are creating the subsidiaries of Spain and Mexico.

Board of directors of NOX Group SA

A strong and dynamic management team

In January 2018, to support its development, NOX Group structured its legal form as an incorporated company to a Board of Directors, with a new mode of governance. The CEO and founder of Group NOX, Gildas GARREC has made a point of working with experienced and passionate professionals from the sector, each with rich and varied career paths.

Picture of Gildas Garrec
CEO & Founder

Gildas Garrec

Gildas Garrec is a trained Engineer He is DUT qualified in Thermal engineering having obtained his qualification at the Lorient IUT (University institute of Technology) followed by a Masters in heritage building management, which he obtained at the UFR ESTHUA University (ANGERS). He started his career at the building inspection office “Socotec” where he worked for 3 years before vesturing into entrepreneurship at just 25 years of age.

Picture of Arnaud Vallée
Deputy Managing Director

Arnaud Vallée

Arnaud Vallée is a qualified civil Engineer, having graduated from Hertford University in England. He joined the NOX Group in 2000. For external growth operations, he started off as the executive Director of a works study office before going on to manage 2 subsidiaries in the Group. In 2012, he was appointed to the management team for “Ingédia”(subsidiary of the Group) and became General Director in 2016.

Picture of Jérôme Plénard
DGA Business & Communication

Jérôme Plénard

Jérôme Plénard is an Engineer who graduated from the ENSAM (Higher national school for Architecture in Montpelier). He has acquired 20 years’ experience, 7 of which as General Director and associate for the BCA Group, 4 years as part of the general management and development team for the IDEC Group and Marraud. He also worked for 2 years in international management for the Grontmij Group: He joined the NOX Group in 2013.

Picture of Lionel Lemaréchal
DGA Supports

Lionel Lemaréchal

Lionel Lemaréchal is a Social law graduate from the University of Rennes. He is also qualified with a Masters in Human Resources, which he obtained at the ESSEC business school. He progressed for 15 years in the HR department of the Bouygues Group before going on to join the NOX Group in 2013. He has been an industrial tribunal advisor for the council of employers (industrial sector) at the Nantes advisory centre since 2008.

Picture of Mikaël Veillon
DGA Finances & Perfomance

Mikaël Veillon

Mikaël Veillon is an Engineer who graduated from ENSIP and ENSMA. He joined the Ingédia company in 2002, a company that was taken over by NOX in 2012. He then became head of subsidiaries in the East of France acting as operational Director and was promoted to Deputy General Manager for Engineering in 2016. In February 2017, the group decided to set up a division dedicated to productivity and performance (Quality, management control) and appointed him as Director.

Picture of Patrick Dubois
General Secretary

Patrick Dubois

Patrick DUBOIS is a construction law graduate from the ESC in Lille and the University of Lille. A major part of his career has been dedicated to managing local public companies. He is responsible for setting up 4 mixed economy companies. He joined NOX in 2015 to steer public relations and is also vice president for the national association of local public companies.

Picture of Benoît Bazire
Independent director

Benoît Bazire

Graduate of the Ecole Polytechnique and ENA, he began his career in the Corps of Armament Engineers at the Ministry of Defense. He will serve in the Directorate of International Affairs (DAI) and will collaborate with André Giraud, Minister of Defense (1986 -1988). In 1993, he became the Chief of Staff of Henri Conze, General Delegate for Armaments, and in 1995 he joined the Picardie Region as Director General of Services. He then began an industrial career by joining the company Thales where he will remain 12 years as Strategy Director of Thomson Brandt Armaments then the part Radar and Countermeasures, and finally, the Optronics division. In 2000, he was appointed Director of Optical Activities (HTO: High Tech Optics), which were outsourced by Thales in 2005. He then took over the management of HTO renamed QIOPTIQ. In 2010, Benoît Bazire becomes the CEO of Areva TA, Areva's defense subsidiary. In 2014, he decided to create Caleti, an engineering consulting company.

Picture of Matthieu Pelissie du Rausas
Independent director

Matthieu Pelissie du Rausas

Matthieu Pélissié of Rausas is a Civil Engineer and holds the MBA from the Collège des Ingénieurs. In 1993, when he obtained his two diplomas, he went to work in the United States for 18 months, for Thomson CSF, as VSNE, to do Business Development. Upon his return in 1995, he joined McKinsey & Company where he was elected Associate Director in 2001 and Senior Associate Director in 2007. He is transferred to South Africa to support the development of the company, and practices in China and the Maghreb. to support its clients in several acquisition and joint venture projects. During his 22-year career, he has worked in various business sectors such as Computer Engineering, Telecom, Chemistry, Aerospace and Defense. For 6 months, Matthieu Pélissié du Rausas has founded his own consulting firm "Second Opinion". He is involved in strategic and organizational decision-making with executives.