- Boiler services
- Heating engineers
- Heating installers
- Electrical works
- Gas engineers
- Plumbing or Drainage services
- Smart Meters
- Heat Network Operator or ESCo (Energy Services Companies)
- District Heating Schemes
- Combined Heat and Power
- Renewable Energy Services such as Biomass, Geothermal, Solar systems and installations
- Energy Efficiency Services
- Liquid Propane Gas (LPG)
- Home heating suppliers
- Oil fuel distributors
- Heating oil suppliers
- TV, Radio or Video On Demand services
- Mobile handsets and accessories or Mobile applications
- Premium Rate services
Please note if you a have a complaint about a communication service such as landline, broadband or mobile phone and are a domestic user, then you would need to discuss your complaint with Ombudsman Services: Communications or CISAS, depending on which company your complaint is regarding.
If you’re a domestic user and you have a complaint with your gas or electricity supplier or the electricity or gas network distributor, you will need to contact Ombudsman Services: Energy
If you’re a domestic user and have a complaint with your water provider you will need to contact the Consumer Council for Water.
If you’re a domestic customer and have a complaint about an intermediary service such as a comparison or switching service for transferring your utility services, then please see our Utilities Switching Services Division.