During the 1960s and 1970s, he managed the careers of three highly successful musical artists - Tom Jones, Engelbert Humperdinck and Gilbert O'Sullivan.

Invited to join the Morton Fraser Harmonica Gang, he met musicians Don Paul and Ronnie Wells with whom he formed a trio known as the Viscounts.

[citation needed] Jones' first single "Chills and Fever", originally recorded with Joe Meek, was released in late 1964, but was not a hit.

[1][9] Mills then wanted to break Jones into recording film soundtracks but, after the relative failure of the James Bond theme song "Thunderball" (UK No.

[13] In 1965, Mills started working with Gerry Dorsey, a singer who had been around for a long time without major success, changing his name to Engelbert Humperdinck and with television exposure on a Sunday night in 1967 at the London Palladium, a new star was born.

Between 1967 and 1972, Mills had two of the biggest stars in the music industry under his control and he signed female singer/songwriter Lynsey de Paul who had just scored a huge hit with "Sugar Me", but by the end of 1973 she had left the label.

[1] By 1973 however, both Jones's and Humperdinck's record sales had dropped dramatically, but Mills had found new talent with Gilbert O'Sullivan who kept MAM's business booming.

By 1978, Jones was reduced to making country albums for the American-only market, Humperdinck had left Mills and O'Sullivan was no longer commercially successful.

[17] Eventually, in May 1982, the court found in O'Sullivan's favour, describing him as a "patently honest and decent man", who had not received a just proportion of the vast income his songs had generated.

Gordon Mills' namesake son found some success with Strange Nature, and is now a record producer, songwriter and multi-instrumentalist session musician.