Old Mother Riley in Business is a 1941 British comedy film directed by John Baxter and starring Arthur Lucan, Kitty McShane and Cyril Chamberlain.

[1] It was the sixth in the long-running Old Mother Riley series of films.

Old Mother Riley's pub faces competition from a large chain store nearby, causing her to declare war on it.

Old Mother Riley comes to the rescue of local shopkeepers after a ruthless chain, "Golden Stores" makes its aggressive presence felt.

The boisterous Irish washerwoman gives the chain stores boss a push into the river and soon finds herself a wanted woman, donning a nurse's outfit to escape from the hospital in which she is hiding.