Our purposes and values

The Institut de Soudure is a dynamic, innovative group, providing solutions to the welding, joining, related testing and training industries in France and across the world. The Group assists its portfolio of clients in boosting their operational efficiency by training their employees, manufacturing and maintaining their equipment, monitoring risks and optimising their operations.

logo sidérurgiste




110 M€

in revenue





100 experts 

on 3 R&D sites 



client companies



offices: France is the dominant market



branches outside Europe




Our goals

Drawing on a rich history of 115 years of innovation, the Institut de Soudure strives to cement its position as a leading technical expert, to maintain its current technological edge, and to become the leading player in all of its business areas.

The Institut de Soudure is on a continuous journey of transformation in a bid to becoming even more enterprising and positioning itself even closer to its clients and employees, whilst remaining competitive and profitable in all its activities.

The Institut de Soudure strives to foster a strong feeling of belonging with its employees, based on responsibility, autonomy, cohesion and integrity.

The Institut de Soudure is a world-ranking group serving French and international companies: our priority is to ensure that the Group develops in a logical yet organic manner through collaborations and partnerships.

Our values

All employees at the Institut de Soudure shrive to follow these values:

  • Requirement: that are our hallmark, wether it is safety, quality or innovation.
  • Commitment: respecting our commitments is essential. Being a committed company is our history.
  • Together: with our partners and customers to be able to provide solutions.
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Our priorities

To be a successful solution provider by offering our clients technological products and competitive services (inspection, testing, training) that respond to their current and future needs.

To encourage initiative by developing entrepreneurial spirit through:

  • A simple, decentralised organisation that ensures proximity with our clients
  • A management approach based on esprit de corps, compliance with standards, strong ethics and presence « on the ground ».

To be a pioneer, thanks to our experts and research centre.

To sharpen our technological edge by developing partnerships and greater proximity between research and our operational departments.

To consolidate our position as a benchmark training entity by ensuring the continuous development our organisation so that we are able to support the transformation of educational models, the digitization of content, and the reshaping of the vocational training sector..

To develop a feeling of belonging and loyalty amongst our employees by encouraging personal development, career progression and quality of working life.

Our strengths

The Institut de Soudure has the assets it needs to succeed:

  • Women and men recognized for their skills, commitment and ability to overcome challenges,
  • Strong company DNA that forms the basis of everything we do: ever since the group was founded in 1905, its history, schools and technological culture have represented a rich heritage,
  • Single player with this multidisciplinary approach, from training to maintenance of operating equipment,
  • Powerful pioneering spirit, thanks to its research centre and four technological platforms: joining, mechanical testing and corrosion, non-destructive testing and composites,
  • A benchmark offering in terms of professional, entry-level, and continuous training, as well as work-study training courses, in the welding and associated testing industry, through our ESSA and EAPS schools and our certifying and qualifying training programs.

What links us makes us stronger

The Institut de Soudure’s mission is to create, develop and implement technological solutions in the field of multi-materials joining and associated testing.
It therefore strives to respond to industry expectations in terms of: safety of people and facilities, skills and accreditation of employees, compliance with regulations, deployment of best practices, predictive maintenance, challenges related the Future of the Industry, technical and documentary support.

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