West London derby been in the Football League for a longer period of time than Brentford and had stronger rivalries with the likes of West Ham United and Tottenham Hotspur, whereas Brentford's main rivals are Fulham and QPR. Also Brentford developed a bigger sporting rivalry with Arsenal at the time as both clubs vied for the title of London's number one club. The only bad feeling between the clubs was soon after Chelsea's foundation and admission into the Football League in 1905, the other West London clubs, including Brentford, lost many supporters and potential supporters to the only professional Football League club in
Supporters' trust Supporters' trust In British sports, a supporters' trust is a formal, democratic and not-for-profit organisation of fans who attempt to strengthen the influence of supporters over the running of the club they support. There are over 140 supporters' trusts across England, Wales and Scotland and the majority of these are affiliated to football clubs, however trusts also exist for Rugby league and Rugby Union clubs. With government and with cross-party support, Supporters Direct was established to encourage the formation of supporters' trusts to promote democratic supporter ownership. Supporters Direct encourages these bodies to be formed as Industrial and Provident Societies