When two brands share a campaign, small mistakes such as a squashed logo or an unapproved colour cause the most damage. These guidelines fix the rules for logo lock-ups, clear space, colour, type, imagery and voice, and say who approves each joint asset and how quickly. Each rule sits beside a reason, so partners understand why it exists and are less tempted to guess.

The sample is for the fictional Ashdown Park Brands, with one primary and two secondary colours, a 24 mm minimum logo width, and a clear space equal to the logo height. Replace the logos, values, voice traits and approvers with your own, and name the email address and turnaround time for partner requests.