Know the number before you name the number.
BidCairn — Sharper takeoffs and bids for teams building under pressure.
A human-led estimating bench for contractors, developers, and construction managers who need dependable quantities without carrying a full in-house team.
4 stages
Preliminary through detailed
CSI-aware
Trade by trade clarity
Human-led
Judgment where it counts
BidCairn / takeoff desk
Detailed estimate
$2.84M
Confidence
94.6%
01 / The value
A sharper layer between plans and pressure.
Good estimating is not just counting. It is knowing what deserves a second look before a thin margin turns into a surprise.
Disciplined takeoffs
Plans translated into traceable quantities, organized so your team can move from scope review to pricing without rework.
Trade-aware cost analysis
Bills of material and cost logic shaped around how concrete, masonry, sitework, openings, electrical, and steel actually get built.
Bid-ready confidence
A clear estimate you can defend in the room, respond with faster, and carry into the next decision with less guesswork.
02 / The method
Measured work for the moments that move the job.
A focused workflow that gives your team the right level of detail at the right point in the project.
Read the set
We orient on scope, design intent, alternates, and the details most likely to affect your number.
Build the takeoff
We measure, classify, and reconcile quantities across the relevant CSI trades with a clear audit trail.
Make it usable
You get the estimate, assumptions, and open questions in a format your team can price and act on.
The BidCairn standard
Every deliverable makes the assumptions visible, the quantities useful, and the next move obvious.
Need a preliminary read now, or a detailed estimate later? Bring the set at the stage you have it.
03 / The coverage
The trades behind a defensible number.
Start with one trade or bring the full bid. BidCairn flexes around the gaps in your estimating bench.
Concrete
Footings, slabs, walls, reinforcing
Masonry
Unit counts, accessories, labor inputs
Sitework
Earthwork, utilities, paving, restoration
Openings
Doors, frames, hardware, glazing
Electrical
Distribution, devices, lighting, pathways
Structural steel
Steel, deck, connections, fireproofing
Ready when the bid is
Put a steadier number under your next move.
Tell us what you are building, where the set stands, and when the number needs to be ready.
bidcairn-q7wo56@polsia.app