About Firmographic Ledger

Firmographic Ledger is a small editorial site about one practical problem: turning a domain or email into reliable company facts, and knowing when you cannot. We write for developers, RevOps and growth teams, and founders who are choosing or integrating enrichment data. We try to be specific about limits, including coverage gaps and fields that no vendor in the cheaper tiers provides. Where we cite a vendor’s claims we mark them as vendor-published. Several examples use the BusinessMCP Company Data API because its documentation is public and its behaviour is easy to check, and we discuss alternatives alongside it. Nothing here is legal or compliance advice; check current rules for your market.