1.
Records
Sets up the project budget with a locked baseline, retainage and contingency limits.
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Product — available
Every project, on budget.
Construction OS is the construction project-management platform for Greek SMEs: it replaces spreadsheets with one system for tracking budgets, suppliers, purchase orders and per-project cash flow in real time.
37.9838° N · 23.7275° E — AthensMost construction SMEs run their projects in spreadsheets that lose the baseline and scatter across email. Construction OS shows each project's budget, purchase orders and cash flow live.
Ideal for
- Construction SMEs
- Contractors
- Engineering offices
- Project managers
- Site managers
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How it works
From the budget to the site.
2.
Tracks
Tracks suppliers, quotes, purchase orders (POs) and change orders, with an audit trail on every change.
3.
Shows
Shows real-time cash flow, a monthly expense breakdown and the variance index against baseline.
4.
Syncs
Works offline on site (PWA) and exports/imports to JSON for backup and audit history.
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Capabilities
What Construction OS does.
01BUDGET
Budget & baseline
Lockable baseline, retainage and contingency limits — the variance from the original budget shows in one click.
↗02SUPPLIERS
Suppliers & orders
Quotes, purchase orders (POs) and change orders from contingency — all in one place, with a full record.
↗03CASH FLOW
Project cash flow
Receipts and payments per project, a real-time cash-flow chart and a variance gauge against baseline.
↗04FIELD
Field & offline
A PWA that works offline on site, viewer/member/admin/owner roles per organization, and JSON export.
↗
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Compare
From Excel to project control.
| With spreadsheets | With Construction OS |
|---|---|
| Budget in email and Excel; the baseline gets lost | Locked baseline with retainage; variance shows in one click |
| Payment history lost in email | Payment audit trail and a change-order record |
| Cash flow worked out by hand | A real-time chart shows what comes in, what goes out and the risk ahead |
| The site manager is blind without phoning the office | A mobile dashboard that reads offline on site |
—
illustrative
Outcome
Fewer surprises on the project.
A contractor with several active projects · budgets in separate spreadsheets
↓ with Construction OS
One board shows committed money and variance per project
Illustrative scenario, not a measured client. The real outcome depends on your business's data and flow.
- Locked baseline with retainage and contingency.
- Suppliers and POs with a full change-order record.
- Per-project cash flow in real time.
- Offline on site with roles per organization.
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FAQ
Before you ask.
Does it work offline on site?
Yes. Construction OS is a PWA: it works without a connection on site and syncs your data automatically once the connection is back.
Can I export my projects?
Yes. Export your projects to JSON for backup or transfer, and restore them with import — so you keep a full audit history.
Can I see all projects on one dashboard?
Yes. An organization dashboard shows each project's health, committed amounts and variance against baseline.
Who sees what?
With roles per organization: viewer, member, admin and owner — each sees and changes only what applies to them.
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Get started
Every project, under control.
Bring every project's budgets, suppliers and cash flow into one system — and see the variance against baseline clearly.
Set up around your own projects, in days. The first setup and overview are free.