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Welcome
To the MRA Service Company (MRASCo) website serviced by Gemserv Limited.
This website has been established to provide up to date and accurate reference information on the Master Registration Agreement (MRA). This agreement, along with its associated documentation, sets out the inter-operational arrangements that support the processes for the registration of a change of electricity supplier in the GB retail market.
MRASCo Model
The website for the MRASCo Activity Diagrams and Process Activity Diagrams that can be downloaded as Microsoft Word.
Data Transfer Catalogue
This web portal has been created by Gemserv to give MRA Parties a user-friendly interface with the MRA Data Transfer Catalogue (DTC).