Onet Technologies
Support our customers in the complete lifecycle of their nuclear and conventional plants
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Offices in France
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Onet Technologies has been supporting major players in the nuclear energy sector as well as other complex industrial environments for 40 years, with three strategic areas of activity.
With locations in seven countries, Onet Technologies assists clients with project development, operations, safety maintenance and the dismantling of their nuclear facilities.
Through its various services, Onet Technologies aims to promote a culture of safety and security, skills management and operational performance at all of its client sites.
Onet Technologies in Japan
Corporate Profile
Corporate Name | Onet Technologies K.K. |
Established | 2022 |
Capital | ¥20,000,000 |
Office Address | 16-4, Toranomon 1-Chome, Minato-ku, Tokyo 105-0001, JAPAN Urban Toranomon Building, 5th floor |
Representative Director | Damien ROULET |
Committed to the excellence of the French and international nuclear industry
Nuclear power for energy production
Defense-related nuclear power
Research centers
Medical and industrial applications
Organization for Japan
Efficient and Ready for Development
Since 40 years, we accompany the major players of the nuclear energy sector, amongst other complex industrial environments, around 3 strategical businesses : Engineering and maintenance of nuclear reactors, decommissioning and radioactive waste management as well as services to plant operators.
Safety culture, competences management and operational performance are at the heart of the services, which we deliver to each of our Clients. Today, the company employs over 2 900 collaborators, engineers or technicians and has overseas offices and partnerships set for the long term.
We are one the worldwide pioneers of the implementation of the laser technology for cutting and decontamination in nuclear environment. This cutting-edge technology enables us to offer services, which are more performant, safer and suited to complex environments. Moreover, these laser processes contribute to limiting the environmental impact by reducing the generation of waste.
Alain GAUVIN
CEO
Onet Technologies
Eric OLSON
CEO
Engineering Planning and Management (EPM), Inc.
Maxime MICHEL-NOEL
Business Development Director
Onet Technologies
Christophe ASTIER
D&D and Waste Management Director
Onet Technologies
Engineering & Projects
Damien ROULET
Head of International Operations
Japan Activities Head
Nuclear decommissioning is a challenge, which we have to overcome to fulfil our responsibility as a nuclear company with large experience in France and Europe. Our teams are devoted to support the Japanese nuclear industry with the best know-how and European technologies, by delivering engineering studies, R&D, equipment and expertise with the highest level of quality.
Our 10 years history in Japan has demonstrated our capabilities to understand our customer needs, to deliver on-time and quality work and to support the Japanese Industry on the long term basis.
We are committed to continue this support to Japanese stakeholders and partners in order to accomplish together great achievements in our domain of expertise.
As an engineering and services company, we have always been working near our Clients. The main purpose of our Japanese subsidiary is to stay close to our contacts and to communicate well with all market stakeholders. By establishing a durable presence in Japan, we aim at further supporting our Clients : Being able to provide knowhow in a collaborative way and participating to the demonstration of technologies in Japan. We seek partnerships and integration into the Japanese supply chain, with a view to joining the efforts for the safe restart of the Japanese nuclear power plants and for the demonstration of the effectiveness of nuclear decommissioning and radioactive waste management.
Julien GUILLEMIN
Japan Office Director
Julien Masaru HIRATA
Sales and Projects Support Manager
A center of engineering expertise
of 400 persons
Capacity of
more than
2000 on-site workers
We are involved at every stage of the life cycle of your projects
As engineering and services company, our main mission is to support the players in the nuclear industry in the development of projects, operation, maintenance in safe conditions and dismantling of nuclear installations.
,
The Onet Group, the family company from France
a major international player in the field of engineering and related services
Turnover
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Years of history
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Clients
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Our mission is to support our clients in building healthier, safer and more reliable work environments.
This means providing professional support for all key business ecosystems, including workspace management, production, energy, transport, healthcare, leisure and education.
We aim to create close relationships with clients and stakeholders through our various service providers.
Together, we are stronger. We firmly believe that effective collaboration strategies can help us face societal challenges, both today and tomorrow.
From the time of its creation in 1860, Onet has been driven by a set of strong core values.
Today, our business units around the world share the same vision.
Onet has continued to develop in connection with the nuclear industry.
1860
Hippolyte Format founded the company
The first train arrived at Saint-Charles Station in Marseille, France, in 1848. At the time, Marseille was experiencing one of the most significant periods of economic prosperity in its history, driven in particular by international trade. Flour mills were scattered across the surrounding hills, while semolina and flour milling technologies developed rapidly.
As imports and exports continued to grow, large sacks of goods required handling services during transportation.
This was the first known business activity of the company founded by Hippolyte Format in 1860. Shortly afterward, he also began developing cleaning services for flour mills. Over the following years, the company expanded and eventually grew into what is now the Onet Group.
1978
Acquisition of SOGEDEC (Specialized Decontamination Company)
Launch of Decontamination Services
1991
Acquisition of ONECTRA
Engineering Services Specialized in Decontamination and Dismantling
1991
Acquisition of Techman Industrie
Nuclear Logistics, Radiation Protection and Training
1999
Acquisition of Comex Nucléaire
The Onet Group also acquired Comex Nucléaire, a company specializing in innovative engineering solutions and intervention programs for complex industrial environments.
2002
Launch of a Long-Term Partnership Between Mitsubishi Heavy Industries and Onet Technologies
A long-term partnership was established between Mitsubishi Heavy Industries (MHI) and Onet Technologies (through its subsidiary Comex Nucléaire - CxN at the time) to provide nuclear equipment and services to nuclear power plants in France.
In 2019, the two companies secured a new contract from EDF, the operator of France's nuclear power plants, for the delivery of nine replacement steam generators manufactured in Japan and designed to meet France's stringent regulatory requirements.
2015Visit the EPM Website
Onet Acquires EPM Inc. and Expands into the U.S. Market
Through its newly established subsidiary, Onet North America (ONA), the Onet Group acquired EPM Nuclear Engineering, based in Boston, Massachusetts, further strengthening its international presence and supporting its global growth.
EPM is a leading company in nuclear risk prevention, technical auditing, and fire protection systems inspection.
With more than 90 employees, EPM provides services to all nuclear facilities across North America, as well as selected power plants in Asia.
2017
Onet Technologies
All subsidiaries, including Comex Nucléaire, were renamed Onet Technologies.
2021
Opening of a Representative Office in Tokyo
The opening of a representative office laid the foundations for establishing a long-term presence in Japan.
Located within the French Chamber of Commerce and Industry in Japan, in the heart of Tokyo, this representative office marks an important step forward in strengthening support for our Japanese customers.
2022
Registration of Onet Technologies K.K.
In September 2022, Onet Technologies K.K. was established as a wholly owned subsidiary of the Onet Group.
2026
Opening a new office of Onet Technologies Kabushiki Kaisha in Tokyo
Your contact
Julien Guillemin
Japan Office Director