Product
Overview
The commercial operating system for construction. Capture a commercial event once, every downstream workflow stays connected.
See the whole product →Estimate & tender
TenderingContract models
Fixed, cost plus & open book
Claim a fixed sum, reimburse at actual cost, or bill fully open book. ClaimStack handles each, the right way.
See how →Solutions
Overview
Built for every side of the contract. One commercial record the whole project team can trust, head contract to supplier.
See how it fits your role →For subcontractors
Free to collaborate
Invited to a project? Submit claims and variations in a format that holds up, free forever.
See the plan →Resources
PricingOverview
Practical guides on claims, variations and contracts, plus how ClaimStack connects, who's behind it, and how we keep your commercial data safe.
Read the blog →Support
Contact & supportGet started
See it on your project
A 30-minute walkthrough on your numbers, where the margin usually leaks.
Book a demo →Book a demo
See it on your project.
A 30-minute walkthrough on your numbers. We’ll show one commercial event flow from capture to cost report, and where the margin usually leaks.
01
Tell us about your projects and current stack.
02
We map one commercial workflow, end to end.
03
You see exactly where ClaimStack fits, no pressure.