Cairn River builds Cairn, an evidence layer for regulated work. Cairn helps teams record what was done, why it was done, and when, so they can show the process that was followed months or years later. It is designed for reviews, checks, approvals, exceptions, and other work where the record matters later. Cairn is not a workflow engine, CRM, document management system, or GRC platform. It sits alongside those tools and keeps a calm, time-stamped record of the work.