Hogan began his professional career at Rochdale in 2010, where he spent two years before making a move to Brentford in 2014. He made a significant impact at Brentford, scoring 21 goals in 36 appearances during the 2014-15 season. This impressive performance caught the attention of Premier League clubs, and Hogan eventually moved to Aston Villa in 2017. However, his time at Villa was plagued by injuries and lack of consistent playing time.