A useful structure puts every unit on the main domain, usually under a folder by state and city, with a static HTML page that loads without scripts. The page carries the unit's name, address and phone exactly as they appear on the Business Profile, LocalBusiness structured data, opening hours, a map, and internal links to the services that unit really provides.
Content is where most brands cut corners. Instead of one generic paragraph, the specialist gathers a short questionnaire from each franchisee: which suburbs they serve most, common customer questions, local landmarks, crew or staff introductions, photos of the actual space or vans. That raw material becomes pages that read differently from each other because the units genuinely are different.
Avoiding internal competition
When two units sit close together, their pages can compete for the same searches. Clear territory descriptions, distinct service area towns and a sensible internal linking pattern from state and city hubs help search engines understand which unit fits which query, instead of rotating them unpredictably.