Organizing business units in Salesforce Marketing Cloud for a company with multiple brands and global presence involves creating a structure that allows for brand and regional specific strategies while maintaining centralized control at the enterprise level.

Create child business units for each brand: This setup allows each brand under the Northern Trail Outfitters umbrella to manage its marketing autonomously while leveraging shared resources and aligning with overarching business strategies.

Nest child business units for GEOs under each brand: This further categorization allows for localized marketing strategies tailored to geographical nuances, enhancing target marketing efforts and regional compliance.