About us

SEM is a world class manufacturer of AC permanent servomotors and asynchronous spindle motors with an over 100 years’ experience in producing rotating electrical equipment. In a modern, bright and clean 11,000m² factory located at ‘The Bridge’ in Dartford, Kent these products are manufactured with state of the art machines, equipment and processes.

Proud of its reputation, SEM is a volume manufacturer of high quality motors with a strong focus on supporting the machine tool industry.   

SEM is committed to having quality and flexibility at the core of our business.  This is shown through continuous investment in the latest systems and technology within our state of the art manufacturing facility.  The manufacturing system is organised by product value streams which are made up of a number of lean manufacturing cells and processes.  This structure creates a strong customer focus and provides a platform to improve through the use of key performance indicators.  Our operational excellence programme involves an intensive focus on staff development, engagement and training to ensure we continue to improve. This was recently recognised with an Investors in People award.

The experienced and well-equipped design team keeps abreast of new materials and cutting edge technology. This knowledge is used to full advantage in the development of new cost effective motors with optimum performance.

In order to safeguard SEM’s high quality standards a comprehensive quality management system has been introduced and certified according to EN ISO 9001.