Frank, who took cost in 2018, led the London membership to the highest flight for the primary time in 74 years and beat Manchester Metropolis previous to the World Cup break.
The Dane – who has linked with Aston Villa following the sacking of Steven Gerrard – guided Brentford to a Thirteenth-placed end of their first season within the Premier League.
“I’ve been right here six years in whole, which is a very long time in trendy soccer, and I’d prefer to say thanks to the followers for the assist you give us – the gamers, the employees, everybody concerned with the membership,” Frank stated in a press release.
Frank final signed an extension in January this yr, and his earlier contract was set to run till 2025.
Brentford, who’re tenth within the league, host fourth-placed Tottenham Hotspur on Monday.
