Bromley's Coat of Arms was granted 20 April 1965.
Vert, a pierced cinquefoil argent within an orle of (nine) acorns or Crest. On a wreath of the colours, two swords in saltire gules, ensigned by an escallop or Supporters. On the dexter side a dragon and on the sinister side a horse, both argent.
The official badge is a sword argent, hilt and pomel or a branch of oak fructed proper, in saltire.
The LB Bromley motto is:
Servire populo - To Serve the People
This coat of arms is used only by the Mayor and by Executive Councillors on official Council business.