- Source: 2025 NSWRL Premiership Division
The 2025 NSWRL Premiership Division will once again feature two open age men's competitions. The Illawarra Competition moved to Major Competitions status for 2025 and is replaced by the Macarthur Premiership.
The Premiership Division is a tier administrated by the NSWRL that sits below NSWRL Major Competitions status but remains above community level competitions.
Peter McDonald Premiership
The Peter McDonald Premiership is the Western Division men's first grade rugby league competition that features teams from the former Group 10 and Group 11 competitions. Formerly a president's cup competition, it dropped back into the premiership division for the 2024 season onwards.
= Teams
== Ladder
=Ladder progression
Numbers highlighted in green indicate that the team finished the round inside the top 8.
Numbers highlighted in blue indicates the team finished first on the ladder in that round.
Numbers highlighted in red indicates the team finished last place on the ladder in that round.
Underlined numbers indicate that the team had a bye during that round.
= Season results
=Macarthur Premiership
The Macarthur Premiership (named the Wests Group Macarthur Premiership for sponsorship reasons) is the Macarthur men's first grade rugby league competition that features teams from the former Group 6 and Western Suburbs competitions. Following Illawarra moving back to Major Competitions, the Macarthur Premiership will take their place in 2025.
= Teams
== Ladder
=Ladder progression
Numbers highlighted in green indicate that the team finished the round inside the top 5.
Numbers highlighted in blue indicates the team finished first on the ladder in that round.
Numbers highlighted in red indicates the team finished last place on the ladder in that round.
Underlined numbers indicate that the team had a bye during that round.