The UK Prosecution Service gave the go ahead to their Met Police Service to charge Russell Brand following an inquiry

The Met then issued a charge and requisition to Russell Brand. Aged 50, born 4th of February, 1975 in Oxfordshire. This is in connection with the following offences as listed by an official statement from the Police:
One count of rape
One count of indecent assault
One count of oral rape
Two counts of sexual assault
Detectives began investigating in September 2023 after receiving a number of allegations, which followed reporting by Channel 4’s Dispatches and The Sunday Times.
What are the allegations–
In 1999 a woman was raped in the Bournemouth area
In 2001 a woman was indecently assaulted in the Westminster area of London
In 2004 a woman was orally raped and sexually assaulted in the Westminster area of London
Between 2004 and 2005, a woman was sexually assaulted in the Westminster area of London
Russell Brand will appear at Westminster Magistrates’ Court on Friday, 2 May.
Detective Superintendent Andy Furphy from the Metropolitan Police who is leading the investigation said: “The women who have made reports continue to receive support from specially trained officers.
“The Met’s investigation remains open and detectives ask anyone who has been affected by this case, or anyone who has any information, to come forward and speak with police. A dedicated team of investigators is available via email at CIT@met.police.uk.
“Support is also available by contacting the independent charity, Rape Crisis at 24/7 Rape and Sexual Abuse Support Line.”
The UK Police further urged responsible reporting in line with guidance from the Attorney General’s Office. Editors, publishers, and social media users should take legal advice to ensure they are in a position to fully comply with the obligations to which they are subject under the common law and Contempt of Court Act 1981.
According to know we’ve found so far, the charges relate to four separate women.