HMG var oprindeligt blevet etableret som et joint venture mellem RTL4 SA (RTL), Vereniging Veronica Omroeporganisatie (Veronica) og Endemol Entertainment Holding BV (Endemol), der skulle drive tre almene nederlandske tv-kanaler, RTL4, RTL5 og Veronica.
Initially HMG had been set up as a joint venture between RTL4 SA (RTL), Vereniging Veronica Omroeporganisatie (Veronica) and Endemol Entertainment Holding BV (Endemol) for theoperation of the three Dutch general interest channels RTL4, RTL5 and Veronica.