Brentford Football Club was founded in 1889 in Brentford, then part of Middlesex and now within the London Borough of Hounslow. The club grew out of a meeting between members of the local rowing and cricket clubs, and took the name "The Bees" by the mid-1890s after a misheard crowd chant at a home match.
After working their way through amateur and regional leagues, Brentford joined the Football League in 1920 as a founder member of the Third Division. Their golden era came in the 1930s: the club won the Third Division South title in 1932–33, the Second Division title in 1934–35, and went on to finish fifth in the First Division in 1935–36 — still the club's highest ever league position. For a brief but memorable stretch in 1937–38, Brentford even led the top flight for 17 consecutive matches.
The post-war decades brought prolonged struggle, with the club cycling between the lower divisions and facing serious financial crises that threatened its existence more than once. A fan-led rescue in 1967 kept the club alive, and gradual rebuilding followed. Brentford won the Third Division championship in 1991–92, but consistent top-flight football remained elusive until a new era of data-driven ownership under Matthew Benham transformed the club's ambitions. After losing four play-off finals, Brentford finally won the 2021 Championship play-off final to reach the Premier League for the first time — and their first top-division football since 1947. They have since established themselves as a competitive Premier League side.
Brentford's principal rivalries are with fellow west London clubs Fulham and Queens Park Rangers, a geographical closeness that has historically made meetings between the sides particularly charged.