Founded in 1958, Sonatest is the third largest UT inspection equipment manufacturer and recognised for the quality of its rugged and portable products all around the world.


60 Years Pioneering Ultrasonics in NDT Industry

Whether it is conventional, phased array or FMC-TFM ultrasonic technology, Sonatest is a significant partner in providing Non-Destructive Testing solutions to many industries, including transportation, aerospace, power generation, manufacturing, NDT service and oil and gas to name but a few.

Our products are used by the world's leading companies such as Boeing, Airbus, Shell, Eon, Network Rail and are designed to give the user a powerful tool that is easy to use and will withstand the harsh environments in which NDT is carried out.

Innovative Product Design

Sonatest is focused on achieving our goals of "Simplicity, Capability and Reliability", both within our product development programs and customer relationships.

The Sitescan and Masterscan range of flaw detectors has an enviable reputation for reliability, whilst our user interface design has set the industry standard. The Veo+ and Prisma ultrasonic flaw detectors reinforce Sonatest's reputation for innovative technician focused product development within phased array.

Global Coverage

Over the years Sonatest expanded its network to now provide world-class assistance with multiple service points and an extended network of hundred distributors and agents all around the globe. Headquartered in Milton Keynes in the United Kingdom, Sonatest is a privately owned company with operations in the NDT hub of Québec City, Canada and in San Antonio, USA.

United Kingdom (Head Office)

Sonatest Ltd
Dickens Road
Old Wolverton
Milton Keynes
MK12 5QQ
United Kingdom

t: +44 (0)1908 316345
f: +44 (0)1908 321323


Registered in England No. 865293

United States

Sonatest Inc
12775 Cogburn
San Antonio
TX 78249

t: +1 (210) 697-0335
f: +1 (210) 697-0767