Thompson joined the Championship club on a permanent transfer deal from the Gunners.
Arsenal have confirmed that 19-year-old defender, Dominic Thompson has left the club to join Brentford.
Thompson joined the Championship club on a permanent transfer deal from the Gunners.
The Premier League giants made this known in a statement on the club’s official website on Thursday.
The statement read: “Dominic Thompson has joined Championship side Brentford on a permanent transfer.
“An Arsenal academy graduate, the 21-year-old defender first joined us in 2012.
“Dominic earned his first professional contract in June 2018 and made a total of 39 appearances for our under-18 and under-23 sides.
“Everyone at Arsenal wishes Dominic all the best for his future.
“The deal is subject to the completion of regulatory processes.”