At the age of fifteen Bill became a professional musician and became the 1st Trombone in the RAF Central Band during his National Service. He was a founder member of the George Evans Orchestra as 1st trombone and featured soloist. Bill featured in most ‘Big Bands’ such as Ted Heath, Johnny Dankworth amongst others and free-lanced with Geraldo, Mantovani and many more.
In the 1970’s he formed ‘The Bill Geldard Tentette’ and ‘The Bill Geldard Big Band’ and had been guest conductor of the BBC Radio Orchestra. Recognised as one of the country’s top arrangers he recorded many albums of background music, composed and arranged by him for T.V. and Films.