Our surface treatment expertise


Reinforce your simple or complex geometry metal parts using our ultrasonic activated shot peening process (standard and customized machines, shot peening and conventional sanding accessories, outsourcing service). Learn more


Modify the geometry of your sheets and metal parts using our portable ultrasonic needle peening and peen forming system. This system is easy to set-up and use as well as being approved by many prime contractors. Learn more


Improve the fatigue resistance of welded assemblies by modifying the geometry of the weld toe with our ultrasonic impact treatment process, an embedded process on a portable or automated equipment. Learn more


The stress and materials characterisation laboratory provides services including measurement and analysis at the laboratory itself but also at your production site when needed. Learn more

The Europe Technologies group, a member of the Nuclear Valley cluster.

This partnership enables Europe Technologies to play an active role in technological developments in the nuclear industry. And, thanks to SONATS’ expertise, we share our know-how and technical solutions for increasing the lifetime and delay crack initiation in nuclear reactors, as well as lengthen the lifetime of nuclear power plants. More info.

Our history

For more than 30 years, SONATS has been providing impact surface treatment solutions and laboratory services :

SONATS is an innovative industrial company specialised in cold impact mechanical surface treatment, the main process being ultrasonic shot peening (STRESSONIC® Technology).

Based on its specialist knowledge, SONATS designs and manufactures a complete range of products, from portable equipment to customized machines, as well as providing training, outsourcing and residual stresses analysis services, both on and off site.

Renowned, qualified and certified, SONATS is committed to providing the best technology via our dedication to R&D to perfectly fulfil the continuously evolving needs of our customers.

Our customers

News & Events

Read our latest news, dates of participation to regional and international shows, articles and job advertisement. 

Welding mechanisation and stress-relieving – Schweissen und Schneiden !

SERVISOUD and SONATS, Europe Technologies’ brands, will be exhibiting at the SCHWEISSEN UND SCHNEIDEN exhibition, dedicated to joining, cutting and surfacing technologies from september 11th to 15th, 2023. Our team…

Meet us at the Paris Air Show 2023 !

📅 Next June 19th, is starting the 54th International paris Air show, in Paris at Le Bourget, until June 25th.  Known to be one of the biggest international show gathering…

International conference on residual stresses – ICRS11

The 11th international conference on Residual Stresses will take a place in Nancy from march 28 to 30, 2022. The conference will be punctuated by breaks during which you will…