TL;DR A commercial insurance renewal checklist has six steps: build an accurate statement of values, verify replacement-cost valuations and construction details like roof age, document portfolio changes and reconcile loss runs, review property limits and business interruption, reassess casualty lines, and account for catastrophe and cyber exposure. Start 90 to 120 days before expiration; compare renewal terms against the expiring policy field by field for shifted deductibles, sub-limits, and new endorsement exclusions; and expect one of three outcomes (non-renewal, conditional renewal, or a pr