Officers were called on Monday after a man was seen being driven away from a property in Kingsgate, East Reading, at 22:17 GMT.
A 27-year-old man from Luton and two men from Reading, aged 20 and 31, have been arrested and are currently in custody.
Thames Valley Police is appealing for witnesses.
Three men are being quizzed by police on suspicion of kidnapping a man in Reading.