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Mongoose Energy Supply: we can't review your dispute because the company has ceased trading.

This Energy supplier has ceased trading, therefore unfortunately we can't help with your dispute.

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What is a deadlock letter?

Please confirm the following in order to continue:

I confirm the account holder has given the supplier 8 weeks to resolve the issue and is ready to complain and/or has received a Deadlock Letter referring them to the Energy Ombudsman.

I confirm Mongoose Energy Supply matches the company name written on the account holder’s bill.

I have a question Continue dispute

Let's quickly check if you're ready to register your dispute:

Mongoose Energy Supply matches the company name written on the account holder's bill.

It's been at least 8 weeks since I first raised the issue with the supplier (or I have received a Deadlock Letter).

I have sufficient evidence to support my case.

Ready to raise your dispute with us?

Raise dispute

Mongoose Energy Supply: we can't review your dispute because the company has ceased trading.

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