With a fantastic history dating back to 1884 Marks & Spencer has built up a brand that can be trusted so why not get your gas and electricity from them too Marks & Spencer has partnered with SSE to bring you M&S Energy a great value gas and electricity package for your home. It is easy to switch because they do everything for you so you can just sit back and enjoy the combined savings. Plus as a new customer you may be entitles to free gifts and special M&S Energy promotions.