Jack Chappell is accused of supplying software that crashes websites by flooding them with data and with running a help-desk for cyber criminals.
West Midlands Police said in a statement that "Chappell allegedly attacked the websites of T-Mobile, EE, Vodafone, O2, BBC, BT, Amazon, Netflix, Virgin Media and the National Crime Agency."
He is also accused of assisting hackers in a 2015 attack on NatWest.
The force's cybercrime unit worked with the FBI, Israeli Police and Europol's European Cybercrime Centre during the investigation.