The process is being overseen by Claire Price in Wagamama’s marketing team.
Kazoo Communications has worked on the brand's consumer PR since it was retained in 2009 following a four-way pitch.
In a statement Wagamama said: "As always, Wagamama is keeping an eye on the PR market and understanding what opportunities lie in this space. Kazoo continue to be our agency and is currently managing our consumer press office."
A spokesperson for Kazoo said: "There is no change, we are continuing to work with Wagamama on new openings and menus."