ARSON detectives are investigating a fire at a tattoo parlour in Bullsbrook overnight.
Just after 3am, the Department of Fire and Emergency Services was called to the fire on Corvette Road.
About 30 firefighters attended, taking about an hour to get it under control.
It is believed the damage bill could be about $1 million.
Police are asking anyone who saw any suspicious activity, or anyone driving in the vicinity who may have dashcam footage, to come forward.
Call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au.
Callers may remain anonymous if they wish.