Steve Cook was born on 19/04/1991 in Hastings, England. He made his first-team debut for Brighton & Hove Albion on 24 September 2008. On 23 December 2008, Cook joined Conference South team Havant & Waterlooville on loan. On 20 November 2009, Cook joined Conference South team Eastleigh on loan. On 16 September 2010, Cook once again went on loan, this time to Eastbourne Borough. On 27 October 2011, he joined League One side AFC Bournemouth on loan. On 3 January 2012, Cook re-joined Bournemouth permanently for £150,000 signing a three-and-a-half-year deal.