Ottawa Fire Services were called to a business on March 12 in Barrhaven because of visible smoke and flames.
Upon arrival at 808 Greenbank Road, near Fallowfield Road, a working fire was declared just before 9 p.m.
The fire was contained to the back of the AfriMarketPlace store.
There were no reported injuries.
An Ottawa Fire investigator has been called in to determine the cause.
The estimated amount of damage is not yet known.