Grandchain Ltd.Grandchain Ltd have been providing custom transformer design and manufacturing services throughout the UK for over 10 years, with all of our products being made to your bespoke requirements. We are proud to be able to offer you wound components of both conventional and toroidal transformers, which can vary from simple hand-wound coils to multi-wound devices. We do not have a standard range of products, as we build our products to customer’s specifications and drawings. However in very general terms our product base includes the following:

Unicoil (Loading Coils)

Space Instrument Transformer

Ferrite Rod Core Devices

Self Support

Mains Transformers




Call Us On 01273 813 345 For Transformer Design And Manufacturing To Your Requirements