Relay Electrical Contractors Limited are specialists in the retail sector we service a range of blue chip retail clients. We currently cover the whole of the UK alongside Sigma Projects Installation teams. We have an established national supply base, we are accredited by the NICEIC approved contractors and work with in the standards of ISO9001, 14001 and 18001. Relay Electrical Contractors Ltd is part of the Sigma Grp, we project manage the entire process from its initial stages through to completion.
