Castellan

Keep the record.
Keep the watch.

A controlled-drug register that cannot be quietly rewritten, and a field record that stands beside it. One login, one audit trail, built in New Zealand by a working critical care paramedic.

The platform

Four surfaces. One record.

reads from the record writes back to it

For the crew

Arkeon

Job and patient in one app, from call-out to handover.
For the base

QuarterMaster

Digital CD register, pouch control, and automated stock ordering.
For command

Dashboards

Operational and hospital dashboards, live.
For governance

Audit, LMS & CPD

Case review, training, and CPD in one place.
The rules we build to
No signal required.
Nothing is quietly wrong.
People decide. Software remembers.
Built by a working critical care paramedic, for gloved hands, bad light, and no signal at all.

Bring us your hardest day.

We will show you how Castellan handles it.