The Local Government and Social Care Ombudsman made almost 20% more recommendations for public service improvements during 2017-18 than in the previous year.
in its annual report showed 730 recommendations were made where complaints were upheld, up from 621 in 2016-17.
Service improvement recommendations can be made in cases upheld where the ombudsman judges these necessary.
Ombudsman Michael King (pictured) said: “Our recommendations for service improvement are helping local authorities unlock the power of our investigations, to improve the lives of many people who haven’t directly complained to us.
“I welcome where councils and care providers have worked constructively with us to remedy injustices and take on board the learning from our cases.”
In 2017-18, he dealt with 31,664 complaints and enquiries from the public. Of the 18,882 cases decided, 5,031 were dealt with at the assessment stage, and 4,331 through a detailed investigation.
Mr King upheld 57% of cases that underwent detailed investigations, up from 53% the previous year.
The report said the service met all its time targets for completing investigations, with 79% completed within 13 weeks, 91% within 26 weeks and 99% within 52 weeks.