Bijol has agreed personal terms with Leeds and an announcement is now due.
The 26-year-old underwent medical tests with Leeds last week.
It's understood Leeds are paying €22m to Udinese for Bijol, whose contract at Elland Road will run to 2029.
Transfer expert Fabrizio Romano is reporting: "Jaka Bijol has signed his contract as new Leeds United player. Deal sealed and here we go, confirmed."