04Splitting the BOQ
The chief engineer splits the BOQ and everyone works on their part.
The lead engineer splits the BOQ by trade, everyone works on their part.
No more six versions of Excel. Everyone works on the same BOQ.
COS / Buildings
For buildings: many subcontractors, one record.
A building means a dozen trades, packages for subcontractors, quotes that are never on the same scope and bills that need checking before payment.
Built with our first construction partners in Croatia and Serbia.
Where it gets stuck today
01
Subcontractor packages
Cut-up spreadsheets and drawings go out by email, and questions get lost.
02
Quotes are not comparable
One includes the pump, one does not, a third has different payment terms.
03
Subcontractor bills
They get paid on their own numbers because there is no quick check against the book.
COS · Buildings
What COS does for you
Example from the walkthrough
Supplier F asks for different payment terms. COS adds +€1.20 for payment, shows a comparable price of €113.20/m³ and that the best offer is €104.00/m³ including the pump.
09Supplier requests
Requests, reading quotes and comparing on the same scope.
One-click requests to all suppliers, quotes normalised to the same scope.
Nobody chases anyone by phone and nothing gets retyped.
10Subcontractor packages
Part of the BOQ goes to subcontractors as a package, with documents.
A package with the BOQ section and documents for each subcontractor.
Subcontractors price exactly what you ask for, with the full documentation.
13Schedule
The schedule follows real progress and warns early about delays.
The schedule tracks real progress and warns early.
Delays get fixed while they are still cheap.
18Subcontractors on site
Subcontractors report and bill through the same system.
Subcontractors log their part of the diary, you confirm it.
You pay exactly for what was built, not a euro more.
19Progress bills and e-invoices
Progress bill from the measurement book, e-invoice in one click.
Progress bill from the confirmed book, e-invoice in one click.
Faster payment and fewer disputes over quantities.
Free, no obligation
Send us one old tender.
Upload the documents and BOQ of a tender you have already submitted. Within 5 working days we send back the risks COS would flag and an estimate of the key items, so you can compare them with what you submitted.
We use the documents only for this analysis and delete them on request. We can sign an NDA.
- 1You upload
The BOQ (Excel or PDF) and documents, or just the BOQ.
- 2We process it
Risks with the source page, revisions, estimates for the key items.
- 3You compare
A 30-minute online meeting: your bid and COS side by side.
Your numbers
How many hours a year go into retyping?
Enter your own numbers. The calculator assumes no savings rate; it only adds up the hours your team spends today on work COS does for them.
Hours per year0
Cost per year0
That is about0full-time people
Based on 12 months, 46 working weeks and 1,700 working hours per person per year.
Show me on my own tenderLet us show COS on your tender.
Send us one past tender with its BOQ. We will show you the risks and estimates COS would produce.
Ivan Penava · founder, COS · Split, Croatia · [email protected] · +385 95 518 7272