Among those suspected of dealing with private investigators who broke the law:
- Five retailers
- Four legal firms
- Three insurance companies
- Two financial businesses
- One construction firm
- One security company
A further three private investigators were also included.
Information Commissioner Christopher Graham and his office were initially handed a list of 98 clients of corrupt private detectives by the Serious Organised Crime Agency (Soca).
Among them, 12 firms on the list were found to be no longer trading, while the Information Commissioner's Office (ICO) was awaiting further information on another 11.
More top news
Cold and sunny for most, increasingly cloudy from the west. Cloud and wind spreading from the west of UK.
A woman, 63, was allegedly grabbed from behind and dragged to the ground in a serious assault near a nature reserve.
A 21-gun salute was first sounded in the capital, Havana, as Castro's ashes were taken to the cemetery in eastern Cuba.