Western Australian firm Cochrane Lishman has expanded its team, with the appointment of two new partners and two senior associates.

The partners, Jon Carson and Ben Luscombe, and senior associates Nathan Landis and Alan Gibson, will all join the firm early next year.

Carson is an energy and resources specialist and Luscombe is a commercial litigation specialist and their appointments will bring the firm's partner total to seven.

The firm also announced that it will be renaming the practice Cochrane Lishman Carson Luscombe to reflect the new appointments.