SSE is a public listed company. The company is one of the largest suppliers of gas and electricity to homes in the UK, with 9.5 million customers.
SWALEC supplies homes in Wales and the Merseyside area.
Could you save by switching to SWALEC? Compare energy prices now.
Customer services: 0800 34 34 36
Customers who have already requested to switch: 0800 052 5252
Contact Which? Switch by phone
You can call us on 0800 410 1149 or 01259 220 235.
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.
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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.