"I uploaded a State Farm estimate I'd already closed on. ClaimStack flagged O&P, drip edge, ice & water shield, and a steep pitch charge — all missing. I sent the supplement letter as-is. Three of the four items were approved within 48 hours."
Stop giving away 10–15% on every claim. ClaimStack finds missed items, builds your supplement, and lets you keep 100% — in ~60 seconds.
This is a real scan. Most estimates are missing thousands in recoverable items.
You don't need more supplements.
You need to stop giving them away.
Per claim, straight out of your pocket. On a $5,000 supplement, $750 gone before you see a dollar.
Still $500 per claim. "Only 10%" sounds reasonable until you do the math across 10 claims a month.
Flat monthly fee. Unlimited supplements, no per-claim charges, no contracts, no percentage ever.
Underpaid estimates aren't rare — they're the norm.
They're not using anything special. They use Xactimate line items, building code references, and standard documentation — the same exact inputs ClaimStack uses.
"The 'negotiation' is the documentation.
And now you have it."
The numbers don't lie. See exactly what you're paying and what you're giving up.
| Feature | ClaimStack Best Value | American Roof Supp. Per-supplement | RISE 15% of increase | SFY 10% ($150 min) | Supplement Experts 10% of increase |
|---|---|---|---|---|---|
| Pricing model | $297/mo flat | $150/supplement | 15% of increase | 10% ($150 min) | 10% of increase |
| Cost on $5,000 supplement | $0 (included) | $150 | $750 | $500 | $500 |
| Monthly cost at 10 claims | $297 | $1,500 | $7,500 | $5,000 | $5,000 |
| Turnaround | ~60 seconds | 72 hours | 24–48 hours | 2–3 days | ~1 week |
| You keep | 100% | 100% (minus $150) | 85% | 90% | 90% |
| Who submits to carrier | You | You | They do | They do | They do |
| Corrected estimate included | ✕ | ✕ | ✕ | ✕ | |
| Unlimited claims | ✕ Per-claim fee | ✕ Per-claim % | ✕ Per-claim % | ✕ Per-claim % | |
| 90-day money-back guarantee | ✕ | ✕ | ✕ | ✕ |
Scroll horizontally to view full comparison on mobile
Drop in the PDF from the carrier. No Xactimate needed, no setup, no training required.
Line items, code upgrades, underpaid scopes — every gap documented with Xactimate codes and dollar amounts.
Carrier-ready documentation built the same way adjusters expect to see it. Send it. Keep 100%.
Keep 100%. No waiting days. No paying percentage fees. No middleman.
Speed wins claims. And you're no longer waiting in line.
"I uploaded a State Farm estimate I'd already closed on. ClaimStack flagged O&P, drip edge, ice & water shield, and a steep pitch charge — all missing. I sent the supplement letter as-is. Three of the four items were approved within 48 hours."
"I've been doing insurance work for 8 years. I thought I was catching everything. Uploaded an old Farmers estimate to test it and it found chimney flashing, valley metal, and painting that I missed completely. Paid for itself before lunch."
This is the same structure adjusters expect — because it's what they already approve.
If ClaimStack finds just $500 in missed items, you're already ahead. Everything after that is pure margin.
This is for contractors who want to keep more of what they already earn.
Most contractors recover $500–$2,000 per claim in missed items. You don't need volume for this to make sense.
or upload one estimate free — no account needed
ClaimStack generates the same documentation supplement companies produce: Xactimate line-item codes, IRC building code citations, and specific dollar amounts for every flagged item. The supplement letter is built from the same reference material adjusters use to approve claims. You're not guessing — you're sending a professional, documented supplement.
Every item ClaimStack flags is backed by specific Xactimate line-item codes and code citations. Those references are what carriers need to approve a supplement. If a carrier disputes a specific line item, you have the documentation to respond — the same documentation a supplement company would use.
No. You upload the adjuster's PDF estimate. ClaimStack handles everything else — no Xactimate license, no pricing database knowledge, no technical setup. You get a complete supplement letter ready to send.
Yes. Cancel from your dashboard in one click. No phone calls, no cancellation forms, no fees. If you're within the 7-day trial, you won't be charged anything.
Supplement companies submit the same documentation ClaimStack generates — Xactimate codes and code citations — and then charge 10–15% for it. ClaimStack gives you that documentation in 60 seconds for $297/month flat. The negotiation is the letter itself. You submit it. You keep 100%.
If ClaimStack doesn't find missed items on your first claim, you get a full refund. No questions asked, no hoops to jump through. The guarantee exists because the tool works — underpaid estimates are the norm, not the exception.
Upload an estimate and see exactly what you've been missing.