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Help & Advice
Select a category, or type your question into the search bar. If that doesn't cover what you need, please complete our 'ask a question' help form below and this will go straight to the firmus energy customer service team.
The response time for reply to your query is 24 hours (Excluding weekends and Bank Holidays).
If you have an Urgent Query, please contact our customer services team on: 0800 032 4567
What kind of business are you?
Are you an electricity customer?
for more information
How do you pay for your natural gas?
Do you receive a monthly bill for your energy usage?
With a Pay as You Go card
Do you purchase a top-up card for your energy?
Are you a business?
for our business tariffs & offers
Make sure you have your bank details and SMP number ready
All we need is your account number and sort code
This is the number usually at the top right of your bill
† Okay, I have them
If your account requires 2 signatures, or you are not the bank account holder, please call us first on
0800 032 4567 † If you don’t have this number, call our switch team on 0800 032 4567