The order was passed by Special Judge for CBI cases Vijayalakshmi.
The judge also dismissed a petition filed by CBI seeking their custody for interrogation. The five are in judicial custody.
The court had on December 27 reserved its orders on the bail petitions.
Reddy and his associates were arrested by CBI on December 21 following the "seizure" of 127 kg gold and over Rs 170 crore in cash, including new currency notes, from their premises by the Income-Tax department in coordinated searches.
Cases have been registered against them for various offences under IPC including criminal breach of trust, cheating and criminal conspiracy and under Sections 13(1) and (2) of the Prevention of Corruption Act (PCA).