Most compliance software is bought after something goes wrong. Halcyon is bought before.
The product sits in the release pipeline rather than beside it: a change that needs a review cannot ship until the review exists, and the review is a record, not an email thread.
That constraint is unpopular in a demo and load-bearing in an audit. It is why the retention curve flattens where competitors churn.
Halcyon ships policy-as-code, replacing its first-generation rules editor.
Three regulated fintechs complete audits using Halcyon as the system of record.