The Nationals WA members belong to Branches that are usually geographically based on towns, cities or local areas. Branches combine to form Electorate Councils that are based on State Legislative Assembly electorates and these send delegates to the Annual State Conference.

Any Federal issues that are discussed and supported at these State Conferences are then forwarded for consideration by The Nationals Federal Council or Conference.

The Nationals WA is governed by a State Council, comprising delegates from all State Electorates and the Parliamentary Party. The State Council is able to make policy decisions between Annual Conferences and usually meets four times a year.

The State Party is administered on a day-to-day basis by the State Executive.