The company's headquarters are in Basildon, Essex, England, from where it sells goods worldwide.
[1] The company developed electrical equipment such as high rated switches and sockets.
A portrait of Charles Arnold by May Bridges Lee is held by the University of Bristol.
[2] One product, the Multy Kontact spring grip socket (3-pin plug), soon became a market leader and the British Engineering Standards Association (BESA) changed standards to adopt this new product.
In the 1950s MK Electric produced a light switch design which is still used today.