British number one Boulter and 2021 US Open champion Raducanu will feature in the main draw.
Compatriots Sonay Kartal, Jodie Burrage and Francesca Jones have also accepted wildcards into the tournament.
Olympic champion and world number seven Zheng Qinwen is the highest-ranked player to appear in the singles draw.
Fellow top-10 players Emma Navarro and reigning Australian Open champion Madison Keys are also set to appear.
Barbora Krejcikova will begin her preparations for her Wimbledon title defence at Queen’s Club alongside fellow former SW19 champions Elena Rybakina and Petra Kvitova.
Jessica Pegula, the 2024 US Open runner-up, and four-time major winner Naomi Osaka withdrew, external before the tournament started.