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Compare energy suppliers' customer service

Mae’r cyngor hwn yn berthnasol i Cymru

Before you switch, it's a good idea to check how well different energy suppliers deal with customer service.

We’ve compared suppliers across 5 different categories and ranked how good their customer service is. We’ve scored each supplier out of 5.

If you can't find your supplier in the table, we might not have enough data to give them an overall score. You can find these suppliers at the bottom of the page.

Click on a supplier to find out more about how we worked out their score.

If you want to check prices instead, you can compare suppliers’ prices and switch online.

Scores for April to June 2021 

The scores are ​​based on data we got from suppliers in September 2021.

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Dywedwch fwy wrthym am pam nad oedd ein cyngor yn helpu.

A oedd y cyngor hwn yn fuddiol?

Diolch i chi, cyflwynwyd eich adborth.