Waldo &Magic, Inc.

Waldo" (1942) is a short story by American writer Robert A. Heinlein, originally published in Astounding Magazine in August 1942 under the pseudonym Anson MacDonald.[1] It is available in the 1950 book Waldo & Magic, Inc. (as well as other collections). Both stories in that collection involve magic but are otherwise unrelated.
Magic, Inc. (1940) is a science fantasy novella by American writer Robert A. Heinlein. It was originally published in Unknown Fantasy Fiction of September 1940, under the title "The Devil Makes the Law".
In the story, magic is a commonplace profession used by businessmen in various fields. A small business owner fights off an attempt to force magic under the control of a corrupt association called "Magic, Inc." The story is included in the book Waldo & Magic, Inc.