Set the two rules at the top — the register reads them. The rest works out what the gap is worth.
THE GAP
Share of your bench with no current paper—
Share fully covered right now—
Money paid to uncovered subs—
WHAT IT COSTS EVERY YEAR
Extra premium charged at audit—
Missing W-9 penalties—
Your own time chasing certificates—
CARRIED EVERY YEAR—
WHAT ONE CLAIM COSTS
Your deductible—
Three years of higher premium—
If your own policy pays it—
If nobody's policy pays it—
THE NUMBER
WHAT THE MISSING PAPER IS COSTING YOU—
Per subcontractor on your bench—
Subcontractor Register
One row per subcontractor. Type the dates off the certificate itself. The last four columns work themselves out.
Subcontractor
Trade
On a job now?
W-9 on file
Agreement signed
COI on file
Names you additional insured
GL each-occurrence limit
General liability expires
Workers comp expires
WC exemption on file
Licence number
Licence expires
Docs missing
Soonest expiry
Days left
Status
Notes
1
—
—
—
—
2
—
—
—
—
3
—
—
—
—
4
—
—
—
—
5
—
—
—
—
6
—
—
—
—
7
—
—
—
—
8
—
—
—
—
9
—
—
—
—
10
—
—
—
—
11
—
—
—
—
12
—
—
—
—
13
—
—
—
—
14
—
—
—
—
15
—
—
—
—
Where that leaves you
—
Want it as a spreadsheet you own?
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Subcontractor Insurance & W-9 Compliance Tracker: the full workbook
Same formulas as this calculator, plus the tabs, the charts and a 12-month history that this page cannot hold. Google Sheets and Excel. One purchase, no subscription.
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Last updated: October 2026
Educational estimates only. These calculators and workbooks do the arithmetic on the figures you enter; they are general-purpose tools, not financial, investment, tax, legal, lending, insurance or construction advice, and no result is a quote, an offer, or a guarantee of any outcome. Results depend entirely on your inputs and assumptions. Verify anything you intend to rely on with a licensed professional — a CPA, attorney, lender, licensed contractor, or your own agent. WorkbookBarn and Marcos Gil accept no liability for decisions made using these tools. Marcos Gil is a licensed Kentucky real estate agent (License No. 296259) and is not a lender, CPA or attorney.