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.
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.
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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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See it on your project
A 30-minute walkthrough on your numbers, where the margin usually leaks.
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Pricing
Product/Timesheets

Timesheets your crew will actually fill in.

Collect timesheets over WhatsApp and SMS, no app to download. Workers open a mobile form on their phone and fill it in from site, and approved labour flows straight into your cost reports and forecasts.

From a link on a phone to costed labour, without an app.

01 · Send

A link over WhatsApp or SMS, no app required.

Send a timesheet as a WhatsApp or SMS link, weekly or daily. There is nothing for a worker to download, no account to create, and a public token link lets anyone submit without logging in.

9:41
CSClaimStack Timesheetsonline
Today
SMSClaimStack: your Week 32 timesheet is ready → cs.link/ts/2291
ClaimStackG’day Sam, your Week 32 timesheet is ready. Tap to fill it in, no login needed.6:30
Week 32 timesheetcs.link/ts/2291 · Northbank Stage 2Open →
Message
02 · Fill in

Workers fill it in from site.

The link opens a mobile-friendly form built for a phone in a hi-vis pocket. Time is allocated across multiple projects and cost codes as it is entered, so the record is coded the moment it is captured.

9:41
Week 32 timesheet
Sam Okoro · Steel fixer
MonConcrete structureNorthbank Stage 2 · 03-2008h
TueConcrete structureNorthbank Stage 2 · 03-2008h
WedFormwork strip & re-propNorthbank Stage 2 · 03-2108h
ThuFormwork strip & re-propNorthbank Stage 2 · 03-2108.5h
FriFormwork strip & re-propNorthbank Stage 2 · 03-2108h
SatDeck pourNorthbank Stage 2 · 03-2203hOT
Total this week43.5h
No login, coded across projects & cost codes as you go
03 · Approve & cost

Approve, cost and export.

Every timesheet runs through an approval workflow with the charge rate applied automatically. Export to Excel or CSV and sync to Xero, and the captured labour flows straight into cost reports and forecasts.

TS-2291 · Week 32 · Steel fixer
Sam Okoro
Submitted
Mon8h
Tue8h
Wed8h
Thu8.5h
Fri8h
Sat3h
Sun-
Week hours43.5h
Charge rate$66.00/hr
Labour cost$2,871.00
Labour cost43.5h × $66.00/hr$2,871.00
Approve to lock the hours and post the cost to the labour report.

Four steps, from link to cost.

STEP 01
Send the link

Fire off a WhatsApp or SMS link, weekly or daily.

STEP 02
Workers fill in

A mobile form opens on their phone; time is coded on site.

STEP 03
Approve

Timesheets route through approval with the charge rate applied.

STEP 04
Export & cost

Push to Excel, CSV or Xero; labour feeds the commercial record.

Built for the people doing the work

No app. No logins. Just a link.

The barrier to a filled-in timesheet is anything a worker has to install or remember. Take both away, and the crew fills it in from site the same way they text.

No appNothing for workers to download or install, ever.
No loginsA public token link lets anyone submit without an account.
Just a linkWhatsApp or SMS opens a mobile form built for site.
0
Apps for workers
WhatsApp
Or SMS to submit
Any phone
No login needed
1
Live labour record
Stop chasing
timesheets.