About M&S Energy

M&S Energy is the result of a partnership between Marks & Spencer and SSE. Customers receive energy supplied by SSE.

SSE is one of the largest energy suppliers in the UK with more than 9.5 million customers, and it also operates as Southern Electric, SSE, Atlantic, Scottish Hydro and Swalec.

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Contact Information

Customer service for existing customers - 0800 294 3263

Contact Which? Switch by phone

You can call us on 0800 410 1149 or 01259 220 235.

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Energy Customer Satisfaction Results

Tired of poor customer service from your energy supplier? The results o four 2018 Which? energy satisfaciton survey reveal how customers rate 31 gas and electricity suppliers in Great Britain. Use them to help find the best energy company for you.

Latest tariff updates

Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.

About Which? Switch

Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.

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