Menu Search Search My account Get a quote Home COVID-19 Our products Get smart About us Brighter business Help Logo Making a complaint COVID-19 Update We are sorry you have a reason to complain. Sometimes things can go wrong and, if this happens, we want to work with you to reach a resolution that you’re happy with. Following the government guidance and to protect our employees our complaints team is currently home based. Please be patient with our response times, delays are likely, and we will respond as quickly as possible. If you have a complaint, please contact us as soon as you can so that we can put things right as quickly as possible. * Required fields Your name* Business name* Site Address* Opus Account Number* You can find this in the top right-hand side of your most recent bill. How would you like to be contacted? Select contact method Email Phone Email address* 8am - 12pm 12pm - 2pm 2pm - 6pm How can we help?* Use this box to give us more details about your complaint. I do not wish to be contacted by post, phone, email or SMS regarding other Opus Energy products or services Submit Call us 0800 630 0841 Our UK call centre is open Monday to Friday, 9am to 5pm. Email us customercare@opusenergy.com We will respond within five working days of receiving your email. Send a letter You can also write to us at Customer Care, Opus Energy House, 8-10 The Lakes, Northampton, NN4 7YD. Useful links Complaints charter Standards of conduct Home About us Help Blog Careers Partners Privacy notices Terms and conditions Modern slavery act Cookie policy Press enquiries Complaints Gender pay report Emergency information Contact us Get in touch now Follow us LinkedIn YouTube Facebook Twitter Company no: 04382246 Registered in England and Wales By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyse site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies