Thermal and Industrial Piping Solutions
Despraz SA is a family venture founded by Jean-Daniel Despraz in 1988 in Granges-près-Marnand.
Since its creation, the company has been able to adapt and innovate with the arrival of the new generation.
Mathieu Despraz, followed by Rachel Despraz-Catellani, have brought a new and dynamic impetus, thus ensuring the company’s continuity and growth.
Since 2021, the arrival of Mathieu Tinguely as Deputy Director has strengthened the management team and contributed to the continuous improvement of our services.
Despraz SA remains determined to maintain its status as a regional SME by relying on highly qualified and competent staff, always attentive to client needs and quick to satisfy them.
Continuous training of staff and apprentices is a priority to guarantee quality service.
Currently, the company has 85 dedicated employees.
Despraz SA has gained its reputation through its inventiveness in delivering complex installations at the best cost.
Our Values
Our core values do not only define our company, they also reflect the very essence of each individual within our organization.
The diversity of our skills encourages us to find the best solutions and support our clients in all types of fields.
We provide our clients with high value-added skills, from engineering and planning to execution.
Despraz SA consistently prioritizes client satisfaction.
We employ staff with the most diverse qualifications and offer them an environment that values personal commitment, respect, and individual responsibility.
Workplace safety guides each of our operations. We apply strict procedures and train our teams to ensure a safe environment that complies with industry requirements.
- Transparency. Results. Experience.
References
Qualified Employees
Industrial Experience
Our History

Company Foundation


First Stainless Steel Welding Projects


Move to a New Workshop


Purchase of the First Orbital Welding Station


Company Takeover


ISO 9001 Certification


EN 729-2:1994 Welding Certification


Mathieu Despraz - New Generation


First Overseas Project


Construction of New Premises


New 300m² Manufacturing Workshop


Mathieu Despraz - Company Takeover


Purchase of a 900m² Hall


Office Expansion


Passivation
