Covert Operations Ltd
 Covert Operations was a game developer founded in Scotland in 2000 by Niall Fraser. The company developed titles for a range of platforms including Interactive Digital Television mobile phones and handheld games devices. One notable title was the Game Boy Color version of Denki's award winning game Denki Blocks!In May 2003 Covert Operations was sold to pioneering game studio IOMO for an undiclosed sum.