The cost exceeds the former file of £685,000, when Bay FC signed Racheal Kundananji closing February.
Chelsea set the British switch file in signing Mayra Ramirez for £384,000 in January 2024.
Girma is Chelsea’s first signing of the January switch window once they fought off pageant from Lyon.
Chelsea made her a concern goal after shedding defender Kadeisha Buchanan to a season-ending knee harm.
Head of girls’s soccer Paul Inexperienced stated: “Naomi is a world-class defender who’s now getting into the high years of her profession.
“Her composure at the ball, skill to learn the sport, coupled together with her tempo and athleticism, will upload top of the range to an already very proficient squad.
“She is for sure able for this subsequent step in her profession and we’re overjoyed it’s going to be with Chelsea.”
In 2023 Girma helped San Diego win the Nationwide Ladies’s Football League (NWSL) Defend and used to be named US Football’s feminine participant of the yr.
She used to be a part of america facet that received gold on the 2024 Olympics in Paris.
