Energy suppliers and networks
firmus energy phone numbers
Edited by Richard BarkerChecked 14 October 2026
firmus energy publishes 2 numbers for you to call on its own website. We list each one with the page it is on (1 page in all), a short quote from that page and the date we checked it.
Numbers to call firmus energy
What each line is for, as firmus energy describes it, with opening hours where it gives them.
- 0330 024 9000
You call them on this number
Customer services
Source: “Enquiries Customer Services 0330 024 9000” (opens in a new tab). Checked 14 October 2026.
- 0800 032 4567
You call them on this number
firmuscare customer enquiries (freephone)
Source: “firmuscare Customer Enquiries 0800 032 4567” (opens in a new tab). Checked 14 October 2026.
How scams that copy energy suppliers and networks work
UK Finance says criminals pose as organisations such as utility companies, claiming you must settle a fine, pay a bill or return a refund paid by mistake. Ofgem warns that scammers may contact you by phone, text, email, social media or at your door, pretending to be from Ofgem or an energy company.
This could still be a scam call
Criminals can make their number look like a genuine one (this is called spoofing). If someone calls from this number and asks for money, bank details, a code or passwords, hang up. Then call firmus energy back on a number you've found yourself, such as the one on their own website or on a letter or bill from them.
Safe ways to check
- firmus energy's own contact page (opens in a new tab): Where this number is published.
- Report Fraud (opens in a new tab): Report fraud and cyber crime in England, Wales and Northern Ireland. In Scotland, call Police Scotland on 101.
- Forward scam texts to 7726 (opens in a new tab): It is free, and reports the message to your mobile provider.
- How number spoofing works: Why a genuine number on your screen does not prove who is calling.
Questions about firmus energy’s numbers
What numbers can I call firmus energy on?
firmus energy publishes 2 numbers for the public to call. They are: 0330 024 9000 (Customer services); 0800 032 4567 (firmuscare customer enquiries (freephone)). Check the source page for each one before you call, as numbers and opening hours change.
Does firmus energy publish a number on its own website that is not listed here? Suggest a number for firmus energy.
Sources and checks
This page relies on:
Checked on 14 October 2026. Read how we build the directory. How we check our information. Spotted a mistake? Tell us and we will put it right.