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Smarter Data. Smarter Spend.
More Revenue.
Unlock shopper identity across sessions and platforms, powering leaner ad spend, sharper Klaviyo flows, and stronger results. Higher ROAS. Higher Email Revenue. Same Visitors.
Upstack Data has a product doing something different than competitors and I benefited tremendously financially.
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*21-day free trial. Setup in minutes. Try for free
Trusted by 500+ Brands Who Run on Smarter Data
WHAT WE DO
The Shopper Identity
Platform
Enrich ad audiences boost recovery revenue, and improve campaign efficiency without increasing traffic.
WhAT CUSTOMERS SAY
Our impact
speaks for itself
See Why Smart Brands Are Choosing Upstack Over The Competition
Integrations
Industry-wide
Integrations
HOW IT WORKS
Make more from
every click.
Turn anonymous traffic into your best retargeting asset.

Hidden shoppers are costing you money
Poorly optimized audience data hurts campaign efficiency
❌ Meta can't match 2/3 of your audience
❌ You're optimizing on incomplete data
❌ Potential customers don't get abandonment emails
❌ You're optimizing on incomplete data
❌ Potential customers don't get abandonment emails
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Guaranteed to improve efficiency with better audience match
Upstack ResolveID+ turns hidden shoppers into recovered revenue
✅ Track every customer across all devices
✅ Enrich customer profiles across sessions
✅ Drive more meaningful touchpoints
✅ Better Data = Lower CAC
✅ Enrich customer profiles across sessions
✅ Drive more meaningful touchpoints
✅ Better Data = Lower CAC
WHAT WE DO
Upstack Data vs. Leading Competitor
Get data you can trust and the insights you need to take action and drive growth.
Benefits
Only uses contacts you've collected
Won't Increase Klaviyo Bill
No Increase in Spam Rate
No negative Impact on Deliverability
Leverages Email to Enrich Meta CAPI
No 3rd Party Data
No Long Term Contract
UpStack Data
Other Retention Products
140% increase
30% increase
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$44,000/mo.
+58% sales
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$44,000/mo.
44% revenue
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$44,000/mo.
132% ROI
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$44,000/mo.
-33% CAC
Upstack Data vs. Leading Competitor
See how UpStack can restore confidence in
+17%
Reduced nCAC
+0%
+32%
Higher EMQ
+10%
+27x
Average ROI
+3x
21-Day
Free Trial
vs. No Free Trial