Asghar Badshah, 39, from Bradford, was taken from Mayo Road in the early hours of 30 November.
His body was found a month later, on 29 December, in a disused building on Commercial Street in Batley.
West Yorkshire Police said two men and two women arrested on Thursday were due to appear before magistrates in Leeds later.
Qaisar Shah, 36, from Mayo Crescent, Bradford - charged with murder, conspiracy to kidnap and conspiracy to possess criminal property
Sabbah Shahmuradi, 36, from French Wells, Woking - charged with murder and conspiracy to kidnap
Sobia Syed, 37, from Henna Close, Bradford - charged with conspiracy to possess criminal property
Zaban Syed, 60, from Mayo Road, Bradford - charged with conspiracy to possess criminal property.
Det Ch Insp Heather Whoriskey said: "A major policing investigation has been under way into Mr Badshah's kidnap and murder since 2019.
"We are continuing to follow a number of active lines of enquiry in what has been a long-running and complex case."Follow the Official Rokna NEWS Telegram Channel For More and fresh NEWS.