1. Marketing and Brand Development Services. Customize the Definitions of the free Marketing Agreement Template and you are sure to put your best face forward.Make sure to jazz it up with visual examples. This Agreement represents the terms and conditions under which Contractor shall reposition, rebrand and repackage ProAlgazyme pursuant to a statement of work. A joint marketing agreement is a legal contract that governs the relationship between two or more companies to collaborate in advertising, promotion and sales.