During his time at Port Vale, Umolu played against Bromley in a 5-0 win in April, providing an assist in the process.
Before joining Port Vale, Umolu was part of West Ham United's youth team and made 10 appearances in the Premier League 2. He also featured three times for Crystal Palace's U21 team in the Vertu Trophy, scoring a goal in their 3-1 win over Gillingham.
Umolu will wear the number 19 shirt while playing for Bromley.
