Launchbury got here by means of Harlequins’ academy earlier than transferring to Wasps in the beginning of his profession.
He went on to make 170 appearances and captain the aspect over a 12-year interval, earlier than the membership folded in 2023.
After a short spell enjoying in Japan for Toyota Verblitz he returned to the Prem with Harlequins.
On the worldwide stage, Launchbury made his England debut in 2012 and a 12 months later was named England participant of the 12 months.
He was a part of the aspect that reached the World Cup ultimate in 2019, and gained the Six Nations Grand Slam in 2016.
Launchbury, who’s at present out with a short-term quad damage, stated he would “love to stay involved in the game”.
“But for now I am looking forward to what comes next, and most of all being present to watch my children grow up,” he added.
Harlequins head coach Jason Gilmore stated Launchbury had “consistently set the standard”.
“A quality operator on the field and an even better man off it, Joe has consistently set the standard with his exceptional leadership and professionalism,” he stated.
“His impact for club and country in English rugby over a long period of time in such a demanding position demonstrates what a great servant he has been.”