Early access is open. Bring one real project and we will build its breakdown, vocabulary and workflow live in the session. Request a demo →

Throw the switch
A row of new-build houses at differing stages of completion on a residential development.

Housing · Starter pack shipped

Phases and plots.Not systems and sub-systems.

Pre-construction milestones running alongside build stages, hundreds of plots at different points, and not one word of it in systems-and-sub-systems language. This is the segment that proves the industry-agnostic claim rather than asserting it.

Records on this shape

1,920

Generated automatically on registration

Milestones
FOUNDATIONS FRAME FIRST FIX SECOND FIX SNAG HANDOVER
Destination HOUSING
Level 1 PHASE
Level 2 PLOT
Item ITEM
Record CHECKSHEET
Stage MILESTONE
01 · What it is

Project management with a full audit trail for every item, in one place.

Cairn OS is for work that has to be proven, not just reported. A project is broken down into every individual item it contains. Each item carries the records that prove it reached each stage, and each record carries who signed it and when.

The engine holds no vocabulary of its own. You define what your levels, items, records and stages are called, and every screen, dashboard and export uses your words. That is how one system fits any project shape without being rebuilt for it, and how progress, sign-off and traceability end up in one place rather than three.

In plain words
Item
The smallest thing you track. You decide what it is and what it is called.
Record
The form that proves an item reached a stage. You define its fields and its rules.
Stage
How far along an item is. You define the sequence, and what each stage holds shut.
Roll-up
Completion added up from single items to the whole project, recomputed as records are signed.
Audit trail
Every record, signature and revision, kept immutably and queryable.
02 · The register

Column positions never move. Only what the headers say.

That is the whole argument. Change the vocabulary and every screen, dashboard and export follows, because the shape of the data never depended on the words in the first place.

Live register of tracked items, their records and current status. The column headings change with the project language configured for the project.
Item Item Type Plot Phase Checksheet Milestone Status
P-114-DRA DRAINAGE RUN PLOT 114 PHASE 2 EAST CS-02 AIR TEST FOUNDATIONS SIGNED
P-118-CU CONSUMER UNIT PLOT 118 PHASE 2 EAST CS-11 EIC SECOND FIX IN PROGRESS
P-118-BOI BOILER PLOT 118 PHASE 2 EAST CS-14 COMMISSION SECOND FIX OPEN
P-121-ROOF ROOF COVERING PLOT 121 PHASE 2 WEST CS-06 WEATHERTIGHT FRAME VERIFIED
P-109-WIN WINDOW SET PLOT 109 PHASE 2 EAST CS-08 GLAZING FIRST FIX ISSUE
P-104-MVHR MVHR UNIT PLOT 104 PHASE 2 EAST CS-15 BALANCE SNAG IN PROGRESS

Demonstration data · in housing vocabulary

What this shape gives you

Milestones, not stages

Snags, not punch items

Handover per plot, rolled to phase

See it on your own project's shape.

Bring one real housing project. In one session we build its breakdown, its vocabulary and its workflow live, and you watch a tag go from registered to signed with the dashboard moving behind it.

Request a demo →

No seats to count during early access · trycairn@cairn-os.com