Quick Answer: The best way to prevent duplicate Google Business Profile listings across enterprise locations is to centralize location data in a single source of truth and enforce a strict listing creation workflow with verification, ownership governance, and continuous monitoring. In practice, that means every new or changed location must be validated against canonical address, phone, and naming rules before any profile is created or updated, while automated audits flag duplicates, merges, and unauthorized edits before they impact local SEO.
Enterprise duplicate prevention is primarily a data governance problem, not a Google problem. The most reliable approach is to maintain one authoritative location database that standardizes business name, suite formatting, service-area rules, phone numbers, categories, and hours, then syncs only approved records into Google Business Profile. Layer on role-based access, change logs, and periodic duplicate detection across all entities, because duplicates usually appear when acquisitions, franchise teams, agencies, or local managers create profiles outside the master workflow. A disciplined process for onboarding, rebrands, relocations, and closures is what keeps location equity consolidated and prevents ranking dilution, suspended profiles, and customer confusion.