Brand presented shows for BBC 6 Music and BBC Radio 2 from 2006 to 2008.
He preemptively refuted criminal allegations in asocial media video, in which he said his relationships were always consensual.
He said reports about his behavior were part of a concerted agenda by the mainstream media to silence him.
Russell Brand in London on Saturday.Getty
The BBC declined to answer the questions, citing UK data protection laws.
The incident made headlines in January 2008.
The circumstances of the breach were reviewed in detail at the time.
We hope that demonstrates that the BBC takes issues seriously and is prepared to act, the BBC said.
Banijay said it could find no record of concerns being raised about Brand after recently reviewing files.
We are determined to understand the full nature of what went on.
Today, Channel 4 has a zero-tolerance approach to unacceptable behaviour and has a robust Code of Conduct.
We are committed to ensuring our industry has safe, inclusive and professional working environments.
She said: The report makes very serious and disturbing allegations.
Another tale of alleged exploitation of power in the TV industry.
Once again behaviour described an open secret from those in Russell Brands orbit.
