One person was arrested and 11 others were interrogated as police swarmed areas from Portsmouth all the way to Manchester, Leeds and Wales.
Anyone who uses modified Amazon Fire Sticks to illegally stream content like Premier League football have been warned following the raids.
Fire Sticks offer users instant access to TV shows from a range of paid streaming apps, such as Prime Video, Netflix and Disney+.
However, people commonly obtain versions with unofficial apps side-loaded onto them that provide free or cheap access to premium channels.
A spokesperson for FACT, the UK digital forensics company, has said that the country is cracking down on digital piracy.
He said: “By implementing these measures, a strong message has been conveyed: piracy is a criminal act that is treated with the utmost seriousness and decisive action will be taken against suppliers of illicit services regardless of their size or scale.
“We remain vigilant in monitoring platforms, including modified fire sticks that promote and distribute illegal streams, taking decisive action against those selling illegal access to premium TV content.
“FACT and its partners are determined to disrupt these criminal operations and non-compliance will lead to further law enforcement action.”
On the recent raids, he credited the PIPCU (Police Intellectual Property Crime Unit) for a successful operation.
Detective Chief Inspector Emma Warbey from PIPCU added that illegal streaming is a matter that the police are beginning to take very seriously.
She said: “Illegal streaming is a huge issue for the industry and while it may seem like a low-risk, high-reward crime, the proceeds are used to fund other serious forms of criminal activity.
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