Sargeant, 20, finished third in last year’s FIA Formula 3 championship, but was unable to move up the ladder due to a lack of budget, prompting him to return to the series in 2021 where he finished seventh.
Sargeant had been due to test in IndyCar for AJ Foyt Racing at Barber Motorsports Park next week, only for the running to be called off.
Ahead of this weekend’s United States Grand Prix in Austin, Texas, Williams announced that the American driver had joined its young driver academy on a long-term agreement.
“I am delighted to be joining the Williams Racing Driver Academy,” Sargeant said. “It’s a team with not only a fantastic history, but a great track record of bringing young talent into Formula 1. I am really excited to begin working with the team and can’t wait to hit the ground running.”
Williams said that Sargeant would use his role to “conduct simulator work and help with car development as part of a long-term agreement, becoming fully immersed into the team both trackside and at the factory in Grove.”
“I am incredibly pleased to welcome Logan to the Williams Racing Driver Academy,” said Capito.
“He’s demonstrated his talent in FIA Formula 3, consistently delivering strong results in an extremely competitive field.
“I’m proud that Williams will play a part in supporting the progression and growth of another talented young driver.”
Williams has a number of young drivers linked to its academy, including 2020 F1 debutant Jack Aitken, W Series champion Jamie Chadwick and Formula 2 racer Roy Nissany.
It marks Sargeant’s first affiliation with an F1 team, having impressed throughout his junior career with a top-three finish in British Formula 4 and a podium at the Macau Grand Prix in 2019 with Carlin.
Sargeant had been weighing up a move into sportscar racing prior to returning to F3 this year, leading to two appearances in the European Le Mans Series for the TF Sport-run Racing Team Turkey.