He began his career at the famous PWL Studios in February 1987 as a tea boy and within 3 years became Stock Aitken and Waterman’s chief Recording engineer ,recording artist's such as Kylie, Sybil, Bananarama, and Jason Donavan.
With the splitting of Mike Stock from Pete Waterman in 1993 Peter help set up Mike Stock's new studio at 100 Union Street SE1 continuing as Mike Stock's recording and mix engineer with artists Nikki French, Robson & Jerome. He also moved into Production and Writing producing an album for Lovetrain and Writing and Producing for Tatjana and Suzann Rye. He spent some months working at Unique studios in New York in 1998 and split with Mike Stock soon after.
He then with Phil Dyson (an assistant and keyboard player from Mike Stock studio's) set up DysonDay productions ltd. for Madasun, Faithless, Dido, Rob Dougan including the club hit ‘’ which was later released under the Point4 banner. Whilst getting DysonDay off the ground he spent a year teaching studio recording at the close to home in Guildford.
In 2001 Point4 was formed which was Peter Day, Phil Dyson, Paul (Bronze) Newton, and Daniel Sherman. Paul and Daniel where introduced by their accountant as prolific songwriters and the team’s first collaboration was ‘’ which they signed to . The team continued their success signing also as to London records and as to / in 2003
The Point4 team split in 2004 when Phil Dyson and Daniel Sherman left to pursue other careers. Peter and Paul (Bronze) Newton set up Point4’s, which is a purpose built facility in to continue under the Point4 banner.
At the new studio Point4 have continued to make records including a Beer 2005, signing to in as , writing and producing an album for 2006, writing and producing for who were offered a deal with , writing and producing for (with the release of ‘’ 2006, writing for act ‘Bump’ 2007 and SW14 'Need You Tonight' (as featured on ) 2008