By 1964, Grant had started to manage his own acts including the Nashville Teens, an all-girl group called She Trinity, the New Vaudeville Band, The Jeff Beck Group, Terry Reid and Stone the Crows.
Год спустя он попробовал себя уже в ранге полноценного менеджера — с The Nashville Teens, The Flintstones, She Trinity, The New Vaudeville Band, а затем с Джеффом Беком и Терри Ридом.