As a senior citizen, I often get anxious and confused with modern technology. I was soon put at ease with Laura's patience and knowledge, giving me all the information I needed,having... See more
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As a distraught lady who had back surgery I was horrified with a cold shower yesterday but after speaking with Gerry today a lot of things to look out for have been explained to me. A very helpful man... See more
Company replied
Tony assisted me through the switching process in a helpful, friendly and professional manner. He made it easy, explained everything and answered any queries I had. His knowledge and understanding mad... See more
Company replied
Contacted Firmus regarding change of energy supplier, Tony was knowledgeable and explained everything clearly and answered all my questions with clarity. Tony also found the best deal for me and expl... See more
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Company details
Written by the company
firmus energy is a local energy company dedicated to providing best in class customer service to homes and businesses across Northern Ireland.
Contact info
5 Trench Road, BT36 4TY, Mallusk, United Kingdom
- 0330 024 9000
- furtherinfo@firmusenergy.co.uk
- www.firmusenergy.co.uk
4.9
Excellent
1K reviews
No recent history of asking for reviews
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My call handler Damian was very kind…
My call handler Damian was very kind and helpful. He made my switch over very easy! He explained everything is great detail and made me know that I made the right choice in switching over the Fermus Energy! If I could give 10 stars I would!! Damian is an amazing call handler!!
May 26, 2026
Unprompted review
Reply from firmus energy
Hi Clare,
Thank you so much for your amazing feedback!
We're absolutely delighted to hear that Damian made your switch so easy and took the time to explain everything in detail. It’s fantastic to know he helped you feel confident in your decision to join firmus energy — and 10 stars says it all!
We’ll be sure to pass your incredibly kind words on to Damian; he’ll be thrilled to hear them. Thanks again!
-Diane
The sales man was very friendly and…
The sales man was very friendly and considerate. Easy to have a conversation with, explained everything in detail. Hope customer services are just as nice should I ever have to phone.
May 21, 2026
Unprompted review
Reply from firmus energy
Hi Catrina,
Thank you so much for your lovely feedback! We’re really pleased to hear that you found our sales colleague friendly, considerate, and easy to talk to, and that everything was clearly explained for you.
We’ll certainly do our very best to make sure your experience with our customer service team is just as positive if you ever need to get in touch—they’ll be more than happy to help.
Thanks again for taking the time to share your experience with us!
-Diane
Switching gas suppliers
I had only inquired about switching over to Firmus online, and within 1 minute I received a call from a very friendly advisor. He talked me through everything that would happen and it all seemed straight forward. He seemed extremely professional and knowledgeable and didn't put any pressure on me to continue with my switch over. A positive experience.
May 20, 2026
Unprompted review
Reply from firmus energy
Hi Johnny,
Thank you very much for your wonderful feedback!
Providing a friendly, informative, and relaxed experience is exactly what we aim for, so your kind words are truly appreciated and will be shared with the team.
-Diane
Spoke to Tony today to settle my Dad's…
Spoke to Tony today to settle my Dad's account and transfer it to another person. Tony is a great fella...easy to talk to and carried out the various tasks easily and concisely. Thankyou Tony 😁
May 19, 2026
Unprompted review
Reply from firmus energy
Hi Amanda,
Thank you so much for taking the time to share your feedback.
We’re delighted to hear that Tony was able to support you effectively while settling your Dad’s account and arranging the transfer. It’s great to know that he made the process straightforward and easy to understand — we’ll be sure to pass along your kind words.
-Diane
Damien was pleasant informative and…
Damien was pleasant informative and very helpful
May 18, 2026
Unprompted review
Reply from firmus energy
Hi Paul,
Thank you for your kind feedback! We’re really pleased to hear that Damien was pleasant, informative, and very helpful. We’ll be sure to pass your lovely comments on to him.
Thanks again for taking the time to share your experience!
-Diane
Tony was very helpful👍
May 18, 2026
Unprompted review
Reply from firmus energy
Hi Finola,
Thank you for your feedback!
We’re delighted to hear that Tony was so helpful. We’ll be sure to pass your kind comments on—he’ll really appreciate it.
-Diane
I'm new to gas
I'm new to gas. So really don't know much about it. Josh was a great help and keen that I understood the offers available to me. He tactfully suggested that I also avail of the over 60 Care package which is helpful! My direct debit was set up easily and now I'm a gas user as opposed to an oil user all carried out so easily with Josh's help. Great service and a friendly approachable manner!
May 18, 2026
Unprompted review
Reply from firmus energy
Hi Sandra,
Thank you for your fantastic feedback!
We’re so pleased to hear about your positive experience with Josh, especially as you’re new to gas. It’s great to know he took the time to make sure everything was clearly explained and helped you feel confident about your options.
We’ll be sure to pass your kind comments on to him—he’ll be delighted to hear them. Thanks again for sharing your experience!
-Diane
I am happy with the help I got thak u
I am happy with the help I got thak u
May 15, 2026
Unprompted review
Reply from firmus energy
Hi Sarah,
Thank you for your feedback! We’re really pleased to hear you were happy with the help you received. Your kind words are truly appreciated.
Thanks again for taking the time to share your experience!
-Diane
Spot on switchover
May 13, 2026
Unprompted review
Reply from firmus energy
Hi Terry,
Thank you for your great feedback! We’re really pleased to hear the switchover went spot on and everything ran smoothly.
-Diane
Reply from firmus energy
Hi Catherine,
Thank you so much for your lovely feedback! We’re delighted to hear you had such a positive experience and found our customer service so helpful.
Your kind words really mean a lot to us, and we’re always here if you need anything in the future.
-Diane
He was pleasant and made it so easy to…
He was pleasant and made it so easy to transfer thank you
May 13, 2026
Unprompted review
Reply from firmus energy
Hi Kevin,
Thank you for your kind feedback! We’re so glad to hear that you found the process easy and that the support provided was both pleasant and helpful. We’ll be sure to pass on your thanks – it’s always great to know our team is making things simple and stress-free.
-Diane
great service thanks
May 12, 2026
Unprompted review
Reply from firmus energy
Hi Michelle,
Thank you for your kind words! We’re really glad you were happy with the service. If there’s anything else we can help you with in the future, just let us know!
-Diane
Good clear information and Shauna very…
Good clear information and Shauna very pleasant. No complications when switching and saving on costs.
May 12, 2026
Unprompted review
Reply from firmus energy
Hi Edward,
Thank you for your lovely review! We’re so pleased to hear that you found the information clear and the whole process straightforward.
Shauna will be delighted to know she made such a positive impression. It’s great to hear the switch was smooth and helped you save on costs too.
-Diane
Excellent communication and very…
Excellent communication and very helpful and explain everything perfectly and simple down for me to understand
May 5, 2026
Unprompted review
Reply from firmus energy
Hi Levi,
Thank you so much for your wonderful feedback! We’re really pleased to hear that you found our communication clear and helpful.
Making sure everything is explained in a simple and easy-to-understand way is something we always aim for, so it’s great to know we got it right for you.
We truly appreciate your support and are always here if you need anything!
-Diane
Reply from firmus energy
Hi William,
Thank you so much for your kind words! We’re delighted to hear you had a positive experience and that our communication and customer service met your expectations. It really means a lot to us, and we look forward to helping you again in the future!
-Diane
Josh was a pleasure to speak with.
Josh was clear, concise and very easy to talk to. If only all telephone representatives were as good as that! Thanks Josh!
May 11, 2026
Unprompted review
Reply from firmus energy
Hi James,
Thank you for your great review! We’re delighted to hear Josh made such a positive impression and kept things clear and easy. We’ll be sure to share your kind words with him — he’ll really appreciate it.
Thanks again for your feedback!
-Diane
Reply from firmus energy
Hi Leanne,
Thank you for your kind feedback! We’re so pleased to hear you had a brilliant experience and found the service helpful.
Comments like yours really mean a lot to our team and encourage us to keep delivering the best support possible.
If there’s anything else we can help you with, please don’t hesitate to get in touch—we’re always happy to help!
-Diane
The lady i dealt with (Shauna) on phone…
The lady i dealt with (Shauna) on phone was lovely i have never been a gas customer and she talked me through everything
BIG SHOUT OUT FOR SHAUNA
Thanks Karen Meikle
May 6, 2026
Unprompted review
Reply from firmus energy
Hi Karen,
Thank you so much for your lovely feedback!
We’re delighted to hear that Shauna made your first experience as a gas customer such a positive one. Taking the time to explain everything clearly and make you feel comfortable is exactly the level of service we aim to provide.
-Diane
Tony was patient
Tony was patient, professional and persistent that he had a solution for me! Great spud cheers mate...give him a raise.
May 6, 2026
Unprompted review
Reply from firmus energy
Hi Adamu,
Thank you for such fantastic feedback!
We’re delighted to hear that Tony was able to support you with patience, professionalism, and determination to find the right solution. We’ll be sure to pass on your kind words — they’ll mean a lot to him.
And we love the “great spud” comment too — that definitely gave us a smile! 😊
Thanks again for taking the time to share your experience.
-Diane
Explained everything and answered all…
Explained everything and answered all my questions
May 5, 2026
Unprompted review
Reply from firmus energy
Hi Gary,
Thank you so much for your positive feedback! We’re really pleased to hear that everything was clearly explained and that all your questions were answered.
Providing clear, helpful support is always our goal, so it’s great to know we met your expectations. If there’s ever anything else you need, please don’t hesitate to get in touch—we’re always here to help!
-Diane
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