Minimalist 4x6 Flyer Artwork

I have two separate brands—Company A and Company B—and each needs its own 4" × 6" flyer card. Both pieces will serve a pure promotion purpose, so every element on the page should quickly communicate value and prompt the reader to act... (Budget: $30 - $250 USD, Jobs: Adobe Illustrator, Adobe InDesign, Adobe Photoshop, Branding, Flyer Design, Graphic Design, Logo Design, Print, Print Design, Typography)