The club's first team are the reigning RFU Championship champions of 2023–24 but were considered ineligible for promotion to Premiership Rugby as their home ground's capacity is too small.

The mini and youth sections have teams in several age groups with over 750 registered players, making it the biggest club in Middlesex and one of the largest in the country.

[citation needed] The club's junior teams are regular winners of County Festivals, and champions of the Herts and Middlesex Leagues for Youth Rugby.

The early years saw regular fixtures against the likes of Wasps, London Irish, Harlequins, Richmond and Blackheath with 75% win rate for a long period.

The club narrowly missed out on promotion to National One by losing to Barking RFC by 2 points and Rosslyn Park by 1.

In 2010–11, the club started its Community Rugby programme providing coaching support and access to the game to schools and other groups throughout Ealing and West London.

After fighting against relegation for the majority of the season, Ealing Trailfinders were eventually relegated on the final day of the season by one point after they lost at home to Rotherham Titans, while Jersey won away to Bedford Blues 2014–15: National League 1: 1st Ealing Trailfinders quickly established themselves in first place in National 1 and they won the title with a haul of 136 points, nine ahead of their nearest rivals Rosslyn Park.

The club also signed long time servant of London Scottish and Championship veteran Mark Bright, who became captain on a regular basis as the season progressed.

During a Talksport Interview, Ben Ward, Director of Rugby announced that Ealing wanted promotion to the premiership due to the impending danger of ring-fencing.

Trailfinders finished top of the table during the 2020–21 Championship season and contested a two-legged play-off with Saracens for promotion.

In June 2021, it was confirmed that a ground-share deal at Saracens' Copthall Stadium was in place but the RFU would not permit promotion as a deadline had been missed.

[6] 2021-22: Championship winner Following the final round of fixtures, Trailfinders remained top of the table and were therefore crowned champions on 2 April 2022.

[10] 2022–2023: RFU Championship holders Ealing entered the season as reigning champions, and had finished in the top two in each of the last five years.