Hello! magazine will pay the couple a sum of £50,000 for the exclusive use of their wedding photos, according to The Irish Sun.
Ronan (38) and tv producer Storm (34) are set to wed in luxury Scottish estate Archerfield on Monday.
It is believed that the former Boyzone star has booked out the lavish property and surrounding grounds for a four day bash.
Ronan in currently in Scotland on his stag do, where he is joined by his father, former band-mate Shane Lynch and his son Jack (16).
Meanwhile, Australian native Storm is in Paris celebrating with friends, family and Ronan's two daughters Missy and Ali.
Hello! magazine previously featured Ronan's wedding to model Yvonne Connolly in April 1998.