Human remains were found in Gloucester, police say they are no longer regarding it as a missing persons case.
Police searched a garden in Sherwood in July 2021 for a week in the search for the man but found nothing.
Huw had last been seen on 6 My 2021 in Nottingham.
However, in January 2022 human remains were found in Gloucestershire, police have now conifrmed that they are Mr Williams.
Nottinghamshire Police DCI Richard Bull said: “Our investigations are still ongoing but sadly we do believe these remains belong to Huw. We are not currently treating the discovery of these remains as involving any suspicious circumstances.
“Huw’s family has been informed and our thoughts are with his family and friends at this difficult time.
“They have asked for privacy whilst they come to terms with this development. We are no longer classing Huw as a missing person and a file is being prepared for the coroner.”