Welcome to CMTG

Delivering excellence in precision monitoring solutions

CMTG stands as a dynamic conglomerate, comprising six prominent brands dedicated to delivering quality, innovation, and unparalleled service across precision markets. Each company plays a distinctive role in shaping the group's expertise.

Beran, a foundational force since 1984 in Devon, spearheads advancements in condition monitoring systems for the power generation industry. Helitune specialises in aerospace, contributing expertise in rotor track and balance equipment, while Semia and SEI extend the group's influence in the aerospace sector. Prosig, a key player in the field of vibration monitoring, enhances the group's capabilities with its innovative solutions.

Curious about a career in engineering and innovation?

Aircraft overlaid on a close up of power station turbine in black and white

Engineering the future starts here

Applications now open for CMTG’s 2025 Engineering Apprenticeship

From power stations to aircraft engines, CMTG’s apprentices are helping to shape the future of engineering across the UK and beyond. If you're passionate about technology and ready to learn hands-on, you can join a leading engineering group committed to innovation, growth, and long-term careers.

Location: Torrington, Devon
Start date: Tuesday, 30 September 2025
Application deadline: Saturday, 20 September 2025

Our Electrical/Electronic Engineering Apprenticeship gives you the chance to:

Rotate through multiple departments
Work alongside experienced engineers
Gain nationally recognised qualifications
Build a real future with one of our specialist brands

Find out more and apply now

Our brands

Helicopter monitoring specialists

Leaders in the design and manufacture of rotor track and balance, vibration analysis, and health monitoring equipment, supplying customers worldwide with innovative hardware, data analysis, and bespoke engineering services.

Aerospace vibration management

Specialises in developing a range of products for vibration measurement on aircraft.

Fixed wing structural health monitoring

Manufactures, installs, and services the Structural Data Recording Set (SDRS) for military and commercial aircraft. SEI provides engineering analysis, field support, and depot level repair services.

Industrial vibration and condition monitoring

Manufacturers of online vibration condition monitoring and machinery protection systems for critical infrastructure and assets.

Noise and vibration measurement

Specialists in systems for acoustic and vibration measurement, analysis, and testing within the automotive, aerospace, defence, manufacturing, and power industries.

Vibration sensors and accessories

Manufacturers of precision and industrial accelerometers and associated instrumentation and calibration services.

Careers

Our global scale and business diversity give you the flexibility to explore a variety of opportunities within CMTG, so you can continuously grow your career.

Join our team

Our locations