Product
Overview
The commercial operating system for construction. Capture a commercial event once, every downstream workflow stays connected.
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Contract 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.
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Solutions
Overview
Built for every side of the contract. One commercial record the whole project team can trust, head contract to supplier.
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For subcontractors
Free to collaborate
Invited to a project? Submit claims and variations in a format that holds up, free forever.
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Resources
Overview
Practical guides on claims, variations and contracts, plus how ClaimStack connects, who's behind it, and how we keep your commercial data safe.
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Get started
See it on your project
A 30-minute walkthrough on your numbers, where the margin usually leaks.
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Pricing
Compare

How ClaimStack compares

Most construction software solves one piece of the puzzle. Claims here, budgets there, documents somewhere else. ClaimStack covers the full project lifecycle in one platform.

The problem

The Problem with Piecing It Together

If you have been in construction long enough, you know the drill. One tool for claims, another for budgets, spreadsheets for cashflow, emails for correspondence, a shared drive for documents. Maybe a whiteboard for variations if you are lucky.

Every tool does its one thing. But none of them talk to each other. So you end up being the middleware. Copying numbers between systems. Chasing the latest version. Rebuilding data that already exists somewhere.

That is not a workflow. That is admin for the sake of admin.

Feature Comparison

How ClaimStack stacks up against typical claims-only platforms and finance-only tools.

ClaimsClaimStack Claims planCommercialClaimStack Commercial planPartial / limitedNot available
Feature
ClaimStack
Claims-Only Platforms
Finance-Only Tools
Subcontract progress claims
Claims
Head contract progress claims
Claims
Payment assessments / payment schedules
Claims
Variation management
Claims
Live variation registers (real-time sync)
Claims
Cost plus and open book contracts
Claims
Subcontract and consultant management
Claims
AI-powered data import
Claims
Security of Payments Act compliance
Claims
Xero integration
Claims
Custom PDF branding and logos
Claims
Free subcontractor and client portals
Claims
Document register and transmittals
Commercial
Correspondence and notices
Commercial
Procurement and tender management
Commercial
Purchase orders and supplier invoices
Commercial
Invoice inbox with AI parsing
Commercial
Budget and forecast management
Commercial
Cashflow forecasting and S-curves
Commercial
Timesheets (project and company-level)
Commercial
Contract intelligence (AI)
Commercial

Comparison based on publicly available feature lists of common construction software categories as of March 2026.

Why it matters

Why It Matters

Real differences that change how your projects run

One Source of Truth

No more copying data between systems. Contracts, claims, variations, budgets, and documents all live in one place. Change it once, it updates everywhere.

Claims That Actually Flow

From submission through assessment to payment. Head contracts and subcontracts. The whole chain connected, not just one side of the equation.

Financial Visibility

Budget tracking, cashflow forecasting, and cost-to-complete in real time. Not a month-end report you have to rebuild from three different sources.

Whole Supply Chain

Builders, subcontractors, clients, and consultants all on the same platform. Free portal access for subs and clients. No per-seat charges for the people you work with.

Immutable Financial Records

Once a claim is submitted or assessed, the numbers are locked. No silent edits, no accidental changes. Full audit trail on every financial record. That matters when things end up in adjudication.

AI That Saves Time

Invoice parsing, document review, program import, and data extraction. AI that handles the repetitive stuff so you can focus on the work that needs a human brain.

The Bottom Line

Claims-only tools solve claims. Finance tools solve budgets. ClaimStack connects the entire project lifecycle so your data works as hard as you do. Less admin, more building.

Now Live
Built by
the industry.

Over 10 years of construction experience. Not assumptions. Real solutions for real problems.