2019–20 Spartan South Midlands Football League Premier Division

At the end of the 2018–19 season, the following teams left the division:
 * Promoted to Step 4


 * Transferred within Step 5

The remaining 16 teams, together with the following, form the Premier Division for season 2019–20:
 * Promoted from Step 6


 * Transferred within Step 5


 * Relegated from Step 4