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Contact Us

You can find most of the answers to your queries in our help & advice section. If it's just a friendly voice you need to talk to, then just give us a call on our freephone number below.

Head Office

firmus energy
A4-A5 Fergusons Way
Kilbegs Rd

BT41 4LZ

0800 032 4567


Monday to Friday: 9am to 5pm

Get Directions


Customer Services 0800 032 4567


Gas - 24 Hour Northern Ireland Gas Emergency Service 0800 002 001


Dial Before You Dig 08456 08 00 66

firmus energy network customers: ‘Dial B4U Dig’ service provides information, advice and maps on the firmus energy natural gas network. Further info can be obtained here.

Greater Belfast customers: Please contact Phoenix Natural Gas; your network provider, for more information.


Make a Complaint 0800 032 4567

Our complaints procedure is available here

Press Enquiries

Suzie Fisher 028 9037 0137
Get in Touch
  1. Select your location

    Find help & advice, tariffs, and news for your area by entering your postcode

  2. Can I connect to natural gas?

    Want to find out if your home or business is connectible to natural gas?

  3. Gas for Home or Gas for Business

    Domestic Gas or Business User? Tailor your information to suit.

What kind of business are you?

Why am I having to do this?

To give you the most accurate information for your town and county, please enter your postcode below.

How do you pay for your natural gas?

By Credit

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?


What kind of business are you?

Small or Medium Business

Small businesses spend about £2,600 or less per bill. Medium businesses spend about £35,000 or less per bill.


Large Business

Large businesses spend about £250,000 or less per bill

Make sure you have your bank details and SMP number ready

Bank details

All we need is your account number and sort code *


SMP Number

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