Check the list below to see if the service you want to complain about is included. You can also find out more about what we can and cannot help with.
If you have any questions, call us on 0345 015 4033.
- G4S Care and Justice Services - for the Ministry of Justice or Home Office
- Gambling Commission
- Gangmasters and Labour Abuse Authority or Gangmasters Licensing Authority
- Gas and Electricity Markets Authority (Ofgem)
- General Advisory Committee on Science
- Government Actuary's Department
- Government Equalities Office
- Great Britain-China Centre
- Groceries Code Adjudicator